CN206002695U - Laser range finder - Google Patents
Laser range finder Download PDFInfo
- Publication number
- CN206002695U CN206002695U CN201621056529.6U CN201621056529U CN206002695U CN 206002695 U CN206002695 U CN 206002695U CN 201621056529 U CN201621056529 U CN 201621056529U CN 206002695 U CN206002695 U CN 206002695U
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- China
- Prior art keywords
- gear
- tape measure
- range finder
- laser range
- housing base
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Abstract
The utility model discloses a kind of laser range finder,Including Housing Base and housing side plate，It is provided with rotary shaft on described Housing Base，Described rotary shaft is connected with tape measure，It is provided with, on described housing side plate, the recovery port passed through for tape measure，First gear that is coaxial with rotary shaft and being fixedly connected with the rotating shaft is rotatably connected on described Housing Base，Rotate on described Housing Base and be provided with the second gear engaging with first gear，Manipulation hole is provided with described housing side plate，Described second gear protrudes manipulation hole away from the side of first gear，Its drip irrigation device is that survey crew drives second gear to rotate，Second gear drives first gear to rotate，Rotary shaft passes through to rotate the winding thus by tape measure a roll a roll，During tape measure is involved in the chamber that Housing Base is surrounded with housing side plate，There is no strong vibration，Thus effectively reducing the vibration of photoelectric original and timer，Reach the effect of the service life extending laser range finder.
Description
Technical field
This utility model is related to a kind of distance measuring instrument, more specifically, it relates to a kind of laser range finder.
Background technology
Laser range finder, is the instrument realizing the range measurement to target using laser, laser range finder is operationally
Project one laser beam to target, received the laser beam of target reflection by photoelectric cell, timer measures laser beam from being transmitted into
The time receiving, calculate from observer's range-to-go.
The Chinese patent of existing Publication No. CN205484804U provides a kind of laser range finder, by laser ranging
Have additional tape measure in the housing of instrument, solve the problems, such as the comprehensive poor defect of laser range finder.
But, tape measure toward in laser range finder housing reclaim during, the elastic force that tape measure is rolled up generally by spring
Realize, because the effect of elastic force rolled up by spring, when chi pawl and tape measure draw exit side wall to offset, chi pawl produces strong to laser range finder
Strong shock, and photoelectric original and timer are often subject to clash into the judder producing, and lead to the acceleration of its inner components
Damage, the life-span ultimately resulting in laser range finder greatly reduces.
Utility model content
In view of the shortcomings of the prior art, when the purpose of this utility model is to provide one kind to effectively reduce recovery tape measure
The laser range finder of laser range finder vibration.
For achieving the above object, this utility model provides following technical scheme：
A kind of laser range finder, including Housing Base and housing side plate, described Housing Base is provided with rotary shaft, described
Rotary shaft is connected with tape measure, and described housing side plate is provided with the recovery port passed through for tape measure, the company of rotation on described Housing Base
It is connected to first gear that is coaxial with rotary shaft and being fixedly connected with the rotating shaft, described Housing Base rotates and is provided with and the first tooth
The second gear of wheel engagement, described housing side plate is provided with manipulation hole, and described second gear is convex away from the side of first gear
Go out to manipulate hole.
By adopting technique scheme, when some objects are not convenient to use laser ranging, by rotary shaft
The pull-out of tape measure recovered mouth, after the good distance of measurement, survey crew is rotated with hand drive second gear, and second gear drives first
Pinion rotation, first gear drives rotary shaft to rotate, and rotary shaft is passed through to rotate thus by winding a roll of a roll of for tape measure, in tape measure
During being involved in the chamber that Housing Base is surrounded with housing side plate, there is no strong vibration, thus effectively reducing photoelectric original
With the vibration of timer, thus preventing the damage that photoelectric original and timer are led to due to vibration, it is finally reached prolongation laser
The effect of the service life of diastimeter.
Preferably, the diameter with diameter greater than first gear of described second gear.
By adopting technique scheme, second gear is driven to rotate a circle, the rotation of first gear is more than a circle, and the
The diameter of two gears is bigger or diameter of first gear is less, drives second gear to rotate a circle, the rotation number of turns of first gear
More, reduce the number of times that survey crew drives second gear to rotate, return into laser range finder thus reaching and being easy to survey crew
The effect of winding chi.
Preferably, described first gear is located between Housing Base and tape measure, and described rotary shaft is away from the one of first gear
End is provided with for preventing tape measure from departing from the locating part of first gear.
By adopting technique scheme, during winding, tape measure is constantly wound around in rotary shaft tape measure, tape measure
The both sides of width are limited between locating part and first gear, and tape measure remains and the first tooth during winding
Wheel, the synchronous axial system of locating part, and not with Housing Base friction, reach compared with small band tape width two ends abrasion effect, have
Effect extends the service life of tape measure.
Preferably, described second gear is towards the side fitted with tape measure less than first gear of side of tape measure, and described
The side wall that one gear is fitted with tape measure is provided with diameter greater than first gear and for supporting the support plate of tape measure.
By adopting technique scheme, support plate and locating part are provided commonly for limiting the both sides of tape measure width,
The diameter with diameter greater than first gear of support plate, thus the tape measure of more multi-turn can be wound around on rotary shaft, laser range finder interior energy
Enough accommodate longer tape measure, thus the measurement range of tape measure is bigger, on the other hand, tape measure is protruded the portion of first gear by gripper shoe
Divide and separate with second gear, thus avoiding the friction of tape measure and second gear, thus reduce tape measure being worn and torn by second gear.
Preferably, described Housing Base is provided with the metal for reducing Housing Base abrasion towards the side of first gear
Plate.
By adopting technique scheme, Housing Base is separated by metallic plate with first gear, due to laser ranging
The housing of instrument is generally plastic shaping, thus avoiding the rotation of first gear to the abrasion on housing floor it is ensured that Housing Base
Intensity, and then effectively extend the service life of Housing Base.
Preferably, described first gear is provided with some bulbous recess towards the side of metallic plate, each described spherical recessed
All roll in groove and be provided with the ball abutting with metallic plate.
By adopting technique scheme, when first gear opposite metal plates rotate, the ball in first gear is in ball
Rotate in shape groove is contacted with metallic plate, thus greatly reducing the friction between first gear and metallic plate, effectively prevent
First gear, towards the abrasion of sheetmetal side and metallic plate, effectively extends the service life of first gear, on the other hand, greatly
The big reduction abrasion towards first gear side for the metallic plate, effectively extends the service life of metallic plate.
Preferably, the medial wall in described manipulation hole is provided with the flexure strip abutting with second gear lateral wall.
By adopting technique scheme, due to flexure strip have well elasticity and pliability, can so that filling
Second gear and the medial wall in manipulation hole, effectively reduce dust or impurity and enter in the housing of laser range finder through manipulation hole, make
In the housing of laser range finder, photoelectric original and timer keep cleannes, effectively extend the use longevity of photoelectric original and timer
Life.
Preferably, the lateral wall of described housing side plate rotates the end cap being provided with for second gear is protruded manipulation hole
The cover lid closing.
By adopting technique scheme, when not using tape measure, second gear protrudes one end quilt cover in manipulation hole
Lid covers, it is to avoid survey crew is touched, and on the other hand, manipulation escutcheon can effectively be lived by cover lid, prevents dust and impurity through behaviour
Control hole enters in the housing of laser range finder, makes photoelectric original and timer in the housing of laser range finder keep cleannes, has
Effect extends the service life of photoelectric original and timer.
In sum, this utility model has the advantages that：
1st, pass through the setting of first gear and second gear, laser range finder vibration when effectively reducing recovery tape measure；
2nd, the diameter with diameter greater than first gear of second gear, thus tape measure is withdrawn by aspect survey crew.
Brief description
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the exploded perspective view of embodiment；
Fig. 3 is the sectional view of embodiment.
In figure：1st, Housing Base；11st, metallic plate；12nd, rotary shaft；121st, locating part；13rd, first gear；131st, spherical recessed
Groove；132nd, ball；133rd, support plate；14th, second gear；2nd, housing side plate；21st, recovery port；22nd, manipulate hole；23rd, flexure strip；
24th, cover lid；3rd, control panel；31st, switch key；32nd, display screen；4th, house cavity；41st, photoelectric original；42nd, timer；5、
Tape measure；51st, chi pawl.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment, this utility model is described in detail.
A kind of laser range finder, sees figures.1.and.2, and it includes Housing Base 1, the housing side setting gradually from bottom to up
Plate 2 and control panel 3, Housing Base 1 is consistent with the contour shape of control panel 3, the profile of housing side plate 2 and Housing Base 1
Edge contour consistent, Housing Base 1, housing side plate 2 and control panel 3 surround an accommodating cavity 4, this accommodating cavity jointly
It is used in 4 housing tape measure 5 and photoelectric original 41, timer 42 and lithium battery.
With reference to Fig. 2 and Fig. 3, Housing Base 1 rotates and is provided with first gear 13, along its axle at the axle center of first gear 13
To being provided through rotary shaft 12, rotary shaft 12 is fixedly connected with first gear 13, one end of rotary shaft 12 and Housing Base 1
Medial wall rotates and connects, and the other end of rotary shaft 12 is rotated with the medial wall of control panel 3 and is connected, positioned at first gear 13 and behaviour
Rotary shaft 12 part between control panel 3 is connected with tape measure 5, housing side plate 2 is provided with recovery port 21, recovery port 21 is used for supplying
Tape measure 5 through and reclaim, tape measure 5 protrude recovery port 21 one end be fixedly connected with chi pawl 51, housing side plate 2 is provided with behaviour
Control hole 22, the side rotation that Housing Base 1 is located at first gear 13 is provided with second gear 14, and second gear 14 is located at accommodating sky
The part in chamber 4 is engaged with second gear 14, and second gear 14 opposite side protrudes manipulation hole 22, is easy to survey crew and drives.
With reference to Fig. 2 and Fig. 3, because the width of tape measure 5 is less than the distance of first gear 13 and control panel 3, so rotating
Axle 12 is arranging finite place piece 121 near the position of control panel 3, and locating part 121 can be cylindrical bar or circular piece
Structure, our circular chip architectures, the distance between locating part 121 and first gear 13 are slightly larger than the width of tape measure 5, are turning
During moving axis 12 winding tape measure 5, locating part 121 and first gear 13 are used for regular tape measure 5, so that tape measure 5 is wound more
Neatly, prevent tape measure 5 from departing from first gear 13 during winding simultaneously.
With reference to Fig. 2 and Fig. 3, second gear 14 is less than first gear 13 on Housing Base 1 in the height on Housing Base 1
Height, the upper surface of first gear 13 is provided with support plate 133, the diameter with diameter greater than first gear 13 of support plate 133,
Support plate 133 can make to wind longer tape measure 5 in rotary shaft 12, in order to ensure the intensity of support plate 133, support plate 133
Material can be steel, and support plate 133 and locating part 121 are provided commonly for regular tape measure 5.
With reference to Fig. 2 and Fig. 3, second gear 14 with diameter greater than first gear 13, and the diameter of second gear 14 and first
The ratio of gear 13 is bigger, rotates a second gear 14, and first gear 13 drives the number of turns that rotary shaft 12 rotates more, more just
Wind tape measure 5 in survey crew.
With reference to Fig. 2 and Fig. 3, the upper surface of Housing Base 1 is provided with metallic plate 11, and metallic plate 11 is by first gear 13 and shell
Body base plate 1 separates, thus reducing the abrasion of Housing Base 1, metallic plate 11 is located to be provided with rotary shaft 12 and manages for rotary shaft 12
The through hole crossed, first gear 13 is provided with several bulbous recess 131, bulbous recess 131 edge towards the lower surface of metallic plate 11
The circumferentially uniform setting of first gear 13, rolls in each bulbous recess 131 and is provided with a ball 132, ball 132 protrudes ball
One end of shape groove 131 is contacted with metallic plate 11, and during first gear 13 rotates, first gear 13 passes through ball 132
Rolling contact with metallic plate 11, thus substantially reducing the frictional resistance of metallic plate 11 and first gear 13.
With reference to Fig. 2 and Fig. 3, the medial wall in manipulation hole 22 is provided with flexure strip 23, the wheel of flexure strip 23 and second gear 14
Tooth offsets, and flexure strip 23 and the upper and lower side of second gear 14 positioned at second gear 14 upper and lower side offset, thus will manipulate
Seal at hole 22, it is to avoid the entrance of dust and impurity.
With reference to Fig. 2 and Fig. 3, the lateral wall of housing side plate 2 is located to rotate at manipulation hole 22 and is provided with cover lid 24, when cover lid 24
After opening, survey crew is easy to drive second gear 14 to rotate, and after cover lid 24 is closed, can fully seal manipulation hole 22.
With reference to Fig. 2 and Fig. 3, the photoelectric original 41 for measurement distance and timer 42, it is arranged at the one of accommodating cavity 4
End, housing side plate 2 is located at the through hole being provided through at photoelectric original 41 passing through for laser, and control panel 3 is provided with and light
Electric original copy 41 electrical connection for controlling photoelectric original 41 to send the switch key 31 of laser, when using optical component, pass through
Switch key 31 on pressing control panel 3, so that optical component sends laser, laser is former by optics after object reflection
Part receives, and timer 42 calculates the time difference sending and receiving laser, thus drawing the distance of laser range finder and object, behaviour
It is provided with, on control panel 3, the display screen 32 electrically connecting with timer 42 and photoelectric original 41, the distance calculating is shown in display
On screen 32.
Work process：With reference to Fig. 2 and Fig. 3, when measuring the object that some are not convenient to use laser measurement, using tape measure 5
Measurement, pulls the chi pawl 51 at recovery port 21, chi pawl 51 is caught on object, and then survey crew Hand-hold Distance Finder moves
To the relative position surveyed, then through tape measure 5 reading, reach surveyed size, then chi pawl 51 is taken off from object.
With reference to Fig. 2 and Fig. 3, cover lid 24 is opened, then drive second gear 14 to rotate, second gear 14 drives the first tooth
Wheel 13 rotation, first gear 13 drives rotary shaft 12 to rotate, thus being wrapped in a-circle-by-a-circle for tape measure 5 in rotary shaft 12, directly
Lateral wall to chi pawl 51 and recovery port 21 offsets, and completes the recovery of whole tape measure 5, then cover lid 24 is covered manipulation hole 22.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonging under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of laser range finder, including Housing Base (1) and housing side plate (2), described Housing Base (1) is provided with rotation
Axle (12), described rotary shaft (12) is connected with tape measure (5), and described housing side plate (2) is provided with the recovery passed through for tape measure (5)
Mouth (21), is characterized in that：It is rotatably connected to coaxial with rotary shaft (12) and fixing with rotary shaft (12) on described Housing Base (1)
The first gear (13) connecting, the upper rotation of described Housing Base (1) is provided with the second gear engaging with first gear (13)
(14), described housing side plate (2) is provided with manipulation hole (22), described second gear (14) is away from the side of first gear (13)
Protrude manipulation hole (22).
2. laser range finder according to claim 1, is characterized in that：Described second gear (14) with diameter greater than the first tooth
The diameter of wheel (13).
3. laser range finder according to claim 1, is characterized in that：Described first gear (13) is located at Housing Base (1)
And tape measure (5) between, described rotary shaft (12) is provided with for preventing tape measure (5) from departing from the away from one end of first gear (13)
The locating part (121) of one gear (13).
4. laser range finder according to claim 3, is characterized in that：Described second gear (14) is towards the side of tape measure (5)
The side fitted with tape measure (5) less than first gear (13) in face, the side wall setting that described first gear (13) is fitted with tape measure (5)
There is with diameter greater than first gear (13) and is used for support the support plate (133) of tape measure (5).
5. laser range finder according to claim 3, is characterized in that：Described Housing Base (1) is towards first gear (13)
Side be provided with for reducing the metallic plate (11) that Housing Base (1) weares and teares.
6. laser range finder according to claim 5, is characterized in that：Described first gear (13) is towards metallic plate (11)
Side is provided with some bulbous recess (131), all rolls to be provided with and support with metallic plate (11) in each described bulbous recess (131)
The ball (132) connecing.
7. laser range finder according to claim 1, is characterized in that：The medial wall of described manipulation hole (22) is provided with and the
The flexure strip (23) that two gears (14) lateral wall abuts.
8. laser range finder according to claim 1, is characterized in that：The lateral wall of described housing side plate (2) rotates setting
There is the cover lid (24) covering for one end that second gear (14) is protruded manipulation hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056529.6U CN206002695U (en) | 2016-09-14 | 2016-09-14 | Laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056529.6U CN206002695U (en) | 2016-09-14 | 2016-09-14 | Laser range finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002695U true CN206002695U (en) | 2017-03-08 |
Family
ID=58193181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621056529.6U Active CN206002695U (en) | 2016-09-14 | 2016-09-14 | Laser range finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206002695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3483631A4 (en) * | 2017-06-21 | 2019-10-02 | Hangzhou Great Star Industrial Co., Ltd. | Distance measurement device |
-
2016
- 2016-09-14 CN CN201621056529.6U patent/CN206002695U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3483631A4 (en) * | 2017-06-21 | 2019-10-02 | Hangzhou Great Star Industrial Co., Ltd. | Distance measurement device |
| US11143494B2 (en) | 2017-06-21 | 2021-10-12 | Hangzhou Great Star Industrial Co., Ltd. | Distance measuring device |
| EP3998497A1 (en) * | 2017-06-21 | 2022-05-18 | Hangzhou Great Star Industrial Co., Ltd. | Distance measurement device |
| AU2017419296B2 (en) * | 2017-06-21 | 2023-09-14 | Hangzhou Great Star Industrial Co., Ltd. | Distance measurement device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |