CN213780378U

CN213780378U - Portable laser range finder

Info

Publication number: CN213780378U
Application number: CN202023122980.2U
Authority: CN
Inventors: 胡正伟
Original assignee: Tianjin Hualai Weiye Technology Development Co ltd
Current assignee: Tianjin Hualai Weiye Technology Development Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-07-23
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a laser range finder convenient to carry, including the casing, fixed running through in casing lateral wall middle part sets up laser emitter, sets up the through-hole along the laser emitter symmetry on the casing lateral wall, lies in through-hole one side level on a set of relative inside wall of casing and sets up first pivot, lies in fixed signal transmitter that sets up in the first pivot of laser emitter one side, lies in the fixed signal receiver that sets up in the first pivot of laser emitter opposite side. The beneficial effects of the utility model are that through setting up signal transmitter and signal receiver in first pivot, carry out steering control through worm gear and two-stage reduction gear, make the transmission of signal more accurate with the receipt, improve measurement accuracy, the position of the visual control measuring point of laser emitter being convenient for, adjust knob can be according to measuring distance's different accommodate motor's rotational speed, be convenient for more accurate to signal transmitter and signal receiver control, and the device still has simple structure, advantages such as easy maintenance.

Description

Portable laser range finder

Technical Field

The utility model belongs to the technical field of laser range finder, especially, relate to a laser range finder convenient to carry.

Background

A laser rangefinder is an instrument that accurately measures the distance to a target using laser light. When the laser range finder works, a laser emitting device emits a thin laser beam to a target, a receiving photoelectric element receives the laser beam reflected by the target, a timer measures the time from emitting to receiving of the laser beam, the distance from the laser range finder to the target is calculated, and half of the product of the light speed and the round-trip time is the distance between the range finder and the measured target.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a laser range finder convenient to carry.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a portable laser range finder comprises a shell, wherein a laser emitter is fixedly arranged in the middle of one side wall of the shell in a penetrating way, through holes are symmetrically arranged on the side wall of the shell along the laser emitter, a group of opposite inner side walls of the shell are horizontally provided with a first rotating shaft at one side of the through holes, a signal emitter is fixedly arranged on the first rotating shaft at one side of the laser emitter, a signal receiver is fixedly arranged on the first rotating shaft at the other side of the laser emitter, the free ends of the signal emitter and the signal receiver are both arranged in the through holes, a first gear is fixedly sleeved on the first rotating shaft at one side of the signal emitter and the signal receiver, a second rotating shaft is horizontally arranged on the side wall of the shell at one side of the first rotating shaft, and a second gear is fixedly sleeved on the second rotating shaft, the second gear is meshed with the first gear, a worm wheel is fixedly arranged on the second rotating shaft and positioned on one side of the first gear, a motor is fixedly arranged on one side of the worm wheel on the inner side wall of the shell, a worm is fixedly arranged at the output end of the motor, the worm is matched with the worm wheel, a controller is fixedly arranged on one side of the motor on the inner side wall of the shell, a storage battery is fixedly arranged on one side of the controller on the inner side of the shell, a control button is fixedly arranged on the top of the outer side of the shell, an adjusting knob is arranged at the top of the outer side of the shell and positioned at one side of the control button, a display screen is fixedly arranged on the outer side wall of the shell, the controller is respectively electrically connected with the motor, the control button, the adjusting knob, the signal transmitter, the signal receiver, the laser transmitter and the storage battery.

Preferably, a protective cover is arranged on one side wall of the shell and positioned on the outer side of the signal transmitter and the outer side of the signal receiver, and the protective cover is fixedly connected with the shell through a clamping protrusion.

Preferably, a charging interface is fixedly arranged on the outer side wall of the shell, the charging interface is electrically connected with the storage battery, and a dustproof plug is arranged on the outer side of the charging interface.

Preferably, the protective cover and the joint of the shell are provided with a sealing gasket.

The utility model has the advantages and positive effects that:

the utility model discloses a set up signal transmitter and signal receiver in first pivot, carry out steering control through worm gear and two-stage reduction gear, make the transmission and the receipt of signal more accurate, improve measurement accuracy, the position of the visual control measuring point of laser emitter being convenient for, adjust knob can be according to the rotational speed of the different accommodate motor of measuring distance, be convenient for more accurate to signal transmitter and signal receiver control, and the device still has simple structure, advantages such as easy maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is an isometric view of a portable laser rangefinder according to the present invention;

fig. 2 is a front sectional view of the portable laser range finder according to the present invention;

fig. 3 is a top cross-sectional view of a portable laser rangefinder according to the present invention;

the reference numerals are explained below:

1. a housing; 2. a signal transmitter; 3. a laser transmitter; 4. a signal receiver; 5. a through hole; 6. a first rotating shaft; 7. a first gear; 8. a second rotating shaft; 9. a second gear; 10. a worm gear; 11. a worm; 12. A motor; 13. a controller; 14. a storage battery; 15. a control button; 16. a display screen; 17. a charging interface; 18. a dust plug; 19. a protective cover; 20. clamping the protrusion; 21. and adjusting a knob.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "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, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in FIGS. 1-3, a portable laser distance measuring device comprises a housing 1, a laser emitter 3 is fixedly arranged in the middle of one side wall of the housing 1, through holes 5 are symmetrically arranged along the laser emitter 3 on the side wall of the housing 1, a first rotating shaft 6 is horizontally arranged on one side of the through holes 5 on one group of opposite inner side walls of the housing 1, a signal emitter 2 is fixedly arranged on the first rotating shaft 6 on one side of the laser emitter 3, a signal receiver 4 is fixedly arranged on the first rotating shaft 6 on the other side of the laser emitter 3, the free ends of the signal emitter 2 and the signal receiver 4 are both arranged in the through holes 5, a first gear 7 is fixedly sleeved on one side of the signal emitter 2 and the signal receiver 4 on the first rotating shaft 6, a second rotating shaft 8 is horizontally arranged on one side of the first rotating shaft 6 on the side wall of the housing 1, a second gear 9 is fixedly sleeved on the second rotating shaft 8, second gear 9 meshes with first gear 7 mutually, lie in the fixed worm wheel 11 that sets up in first gear 7 one side in second pivot 8, lie in fixed motor 12 that sets up in worm wheel 11 one side on the 1 inside wall of casing, the fixed worm 10 that sets up in motor 12 output, worm 10 and worm wheel 11 phase-match, lie in the fixed controller 13 that sets up in motor 12 one side on the 1 inside wall of casing, 1 inboard side that lies in controller 13 one side of casing fixedly sets up battery 14, the fixed control button 15 that sets up in 1 outside top of casing, 1 outside top that lies in control button 15 one side of casing sets up adjust knob 21, the fixed display screen 16 that sets up on 1 outside wall of casing, controller 13 respectively with motor 12, control button 15, adjust knob 21, signal transmitter 2, signal receiver 4, laser emitter 3 and battery 14 electricity are connected.

The working process of the embodiment: when in use, an operator firstly opens the protective cover 19, then rotates the adjusting knob 21 according to the measurement distance, presses the control button 15, the laser emitter 3 emits a visible light beam, the operator controls the visible light beam to point to a measurement point and then keeps still, at the moment, the controller 13 controls the motor 12 to rotate, the worm 11 drives the worm wheel 10 to rotate and synchronously drives the second gear 9 through the second rotating shaft 8, then the second gear 9 drives the first gear 7 to rotate, and simultaneously drives the signal emitter 2 and the signal receiver 4 to rotate, when the signal emitter 2 and the signal receiver 4 respectively detect that the visible light beam irradiated on the measurement point is that the motor 12 stops rotating, then the signal emitter 2 sends a signal through the measurement point and returns to the signal receiver 4, when the signal receiver 4 receives the signal, the data is fed back to the controller 13, and the controller 13 transmits the data to the display screen 16 for display after calculation, is convenient for the operator to read.

Preferably, it sets up protective cover 19 to lie in the signal transmitter 2 and the signal receiver 4 outside on 1 lateral wall of casing, and protective cover 19 passes through the protruding 20 fixed connection of block with casing 1, and the fixed interface 17 that charges that sets up on 1 lateral wall of casing, and interface 17 and the battery 14 electricity that charges are connected, and the interface 17 outside that charges sets up dust plug 18, and protective cover 19 sets up sealed the pad with 1 laminating department of casing.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a laser range finder convenient to carry, includes casing (1), its characterized in that: a laser transmitter (3) is fixedly arranged in the middle of one side wall of the shell (1) in a penetrating manner, through holes (5) are symmetrically formed in the side wall of the shell (1) along the laser transmitter (3), a first rotating shaft (6) is horizontally arranged on one side of the through hole (5) on a group of relative inner side walls of the shell (1), a signal transmitter (2) is fixedly arranged on the first rotating shaft (6) on one side of the laser transmitter (3), a signal receiver (4) is fixedly arranged on the first rotating shaft (6) on the other side of the laser transmitter (3), the free ends of the signal transmitter (2) and the signal receiver (4) are both positioned in the through hole (5), a first gear (7) is fixedly sleeved on one side of the signal transmitter (2) and the signal receiver (4) on the first rotating shaft (6), a second rotating shaft (8) is horizontally arranged on one side of the first rotating shaft (6) on the side wall of the shell (1), a second gear (9) is fixedly sleeved on the second rotating shaft (8), the second gear (9) is meshed with the first gear (7), a worm wheel (11) is fixedly arranged on one side of the first gear (7) on the second rotating shaft (8), a motor (12) is fixedly arranged on one side of the worm wheel (11) on the inner side wall of the shell (1), a worm (10) is fixedly arranged at the output end of the motor (12), the worm (10) is matched with the worm wheel (11), a controller (13) is fixedly arranged on one side of the motor (12) on the inner side wall of the shell (1), a storage battery (14) is fixedly arranged on one side of the controller (13) on the inner side of the shell (1), and a control button (15) is fixedly arranged on the top of the outer side of the shell (1), casing (1) outside top is located control button (15) one side sets up adjust knob (21), fixed display screen (16) that sets up on casing (1) a lateral wall, controller (13) respectively with motor (12) control button (15) adjust knob (21) signal transmitter (2) signal receiver (4) laser emitter (3) with battery (14) electricity is connected.

2. The portable laser rangefinder of claim 1, wherein: lie in on casing (1) a lateral wall signal transmitter (2) with signal receiver (4) outside sets up protective cover (19), protective cover (19) with casing (1) is through protruding (20) fixed connection of block.

3. The portable laser rangefinder of claim 1, wherein: the charging connector (17) is fixedly arranged on one outer side wall of the shell (1), the charging connector (17) is electrically connected with the storage battery (14), and the dustproof plug (18) is arranged on the outer side of the charging connector (17).

4. The portable laser rangefinder of claim 2, wherein: protective cover (19) with casing (1) laminating department sets up sealed the pad.