CN218819954U

CN218819954U - Footprint searcher

Info

Publication number: CN218819954U
Application number: CN202222794016.7U
Authority: CN
Inventors: 方正
Original assignee: Zhejiang Jingxing Equipment Manufacturing Co ltd
Current assignee: Zhejiang Jingxing Equipment Manufacturing Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-04-07
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a footprint searcher, belong to alert equipment field, which comprises a housin, install the light source in the casing, the leaded light cover, install angle adjust knob on the casing, install the regulation frame on the play plain noodles of leaded light cover, the casing bottom is equipped with the regulation frame mount pad, it connects on the regulation frame mount pad to adjust the frame rotation, still be connected with cantilever ejector pin on the regulation frame, be connected the transmission through adjusting the transmission structure between cantilever ejector pin and the angle adjust knob, through rotation angle adjust knob, can make cantilever ejector pin back-and-forth movement, and then drive the rotation that the regulation frame produced certain angle, and then drive whole leaded light cover and rotate, make the angular variation of illuminating light, with the change irradiation position, adapt to the environment that shines of taking the slope, in the prior art has been solved, footprint searcher illuminating light's angle is difficult to adjust, lead to search efficiency greatly reduced's problem.

Description

Footprint searcher

Technical Field

The utility model relates to an it is alert with equipment, especially, relate to a footprint searcher.

Background

In criminal tracing surveys, searching for footprints is an important criminal investigation means, and corresponding search equipment is required for exploration.

After the footprint searching equipment is placed on the ground, light close to the ground can be irradiated, so that the ground can be illuminated to facilitate observation of the ground by an inspector, however, the angle of the light irradiated by the existing footprint searching equipment cannot be adjusted, so that the position of the equipment needs to be continuously adjusted in the searching process, the irradiation distance is very limited on the ground with a certain gradient, and the searching efficiency is greatly reduced.

For example, the multispectral footprint searcher disclosed in the chinese patent document has a publication number CN205120568U, and includes a base, a casing is disposed on the base, a lens cap is disposed at the front end of the casing, a filter set, a polarization component and a light source are coaxially disposed in the casing, the optical axis center adjustor is connected to the filter set, and the light source is connected to a power supply; the side surface of the shell is provided with an electric quantity display lamp and a power supply dismounting and replacing blocking sheet, the electric quantity display lamp is connected with an electric quantity detection unit and an electric quantity display button, and the electric quantity detection unit is connected with a power supply; an optical axis adjusting knob, an optical filter adjusting knob and a brightness adjusting knob are arranged above the shell, the optical axis adjusting knob is connected with the optical axis center adjuster, the optical filter adjusting knob is connected with the polarization component, and the brightness adjusting knob is connected with the light source; the defect of the patent is that the device can only adjust the intensity, the spectrum and the central position of an optical axis of illumination, but cannot adjust the illumination angle of the illumination light, so that the search efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome prior art, the footprint search appearance shines the angle of light and is difficult to adjust, leads to search efficiency greatly reduced's the condition, provides a footprint search appearance, can adjust the region that light shines through the angle of adjusting the light that shines to improve search efficiency, and can have under the condition of slope in the environment, improve irradiation range.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses, a footprint searcher, including the casing, install light source, leaded light cover in the casing, install angle adjust knob on the casing, install the regulation frame on the play plain noodles of leaded light cover, the casing bottom is equipped with the regulation frame mount pad, and the regulation frame rotates to be connected on the regulation frame mount pad, still is connected with cantilever ejector pin on the regulation frame, connects the transmission through adjusting transmission structure between cantilever ejector pin and the angle adjust knob.

The utility model discloses in, through rotation angle adjust knob, can be so that cantilever ejector pin back-and-forth movement, and then drive the rotation that the adjustment frame produced certain angle, and then drive whole leaded light cover and rotate for the angle change of illumination light, with the change shine the environment of position, adaptation area slope.

Preferably, the lower end of the angle adjusting knob is provided with an angle adjusting gear, the adjusting transmission structure comprises an adjusting transmission rotating shaft, one end of the adjusting transmission rotating shaft is provided with an adjusting transmission gear which is in fit engagement with the angle adjusting gear, the other end of the adjusting transmission rotating shaft is in threaded connection with a transmission head, and the transmission head is fixedly arranged on the cantilever ejector rod; when the angle adjusting knob rotates, the angle adjusting gear also rotates along with the angle adjusting knob, and the transmission head is fixedly arranged on the cantilever ejector rod and cannot rotate, so that the transmission head and the rotating shaft axially move relatively, and the cantilever ejector rod is driven to move in the axial direction of the rotating shaft, so that the adjusting frame is driven to rotate.

Preferably, the thickness of the cantilever ejector rod in the vertical direction is not more than 3mm, the length of the cantilever ejector rod in the horizontal direction is not less than 30mm, the cantilever ejector rod is made to have certain flexibility and elasticity through the size limitation, and fatigue damage of a joint of the cantilever ejector rod and the adjusting transmission structure due to angle change of the adjusting frame is avoided in the adjusting process.

Preferably, the shell is also provided with an aperture adjusting disc, the axial direction of the aperture adjusting disc is the same as the irradiation direction of the light source, and the upper end of the aperture adjusting disc is exposed out of the upper side surface of the shell; through the structure, a detection person can directly and quickly control the adjustment of the aperture on the surface of the shell, so that the illumination brightness is changed.

Preferably, the casing is further provided with a filtering adjusting disc, the axial direction of the filtering adjusting disc is the same as the irradiation direction of the light source, and the upper end of the filtering adjusting disc is exposed out of the upper side face of the shell; the structure enables a detection worker to directly and quickly control the filtering adjustment on the surface of the shell, so that different filtering can be selected according to different types of the irradiated objects.

Preferably, the shell is also provided with a polarization adjusting knob, the shell is also internally provided with a polarizer base which moves in the horizontal direction, and the polarization adjusting knob is connected with the polarizer base through a polarization transmission structure; by rotating the polarization adjusting knob, the polarizer base can be controlled to be aligned with or separated from the light source, so that whether polarization is started or not can be selected.

Preferably, the lower side of the polarization adjusting knob is provided with a polarization adjusting gear which synchronously rotates with the polarization adjusting knob, the polarization transmission structure comprises a polarizer track and a polarization transmission shaft, the polarizer base is installed in the polarizer track in a matching mode, one end of the polarization transmission shaft of the polarization transmission rack is provided with a first polarization transmission gear which is meshed with the polarization adjusting gear to rotate, and the other end of the polarization transmission shaft of the polarization transmission rack is provided with a second polarization transmission gear which is meshed with the polarization transmission rack.

Preferably, an ultraviolet radiation lamp is further installed on the adjusting frame, and the irradiation angle of the ultraviolet radiation lamp follows the angle of the adjusting frame.

Therefore, the utility model discloses following beneficial effect has: (1) The angle of the illuminating light can be adjusted to adjust the area illuminated by the light, so that the searching efficiency is improved, and the illuminating range can be improved under the condition of gradient in the environment; (2) The adjusting structure is flexible and is not easy to fatigue damage; (3) the illumination brightness can be adjusted; (4) filtering of the illumination can be adjusted; and (5) whether the illumination is polarized or not can be adjusted.

Drawings

Fig. 1 is a schematic diagram of an external structure of the present invention.

Fig. 2 is a schematic diagram of an internal structure of the present invention.

Fig. 3 is a schematic diagram of the present invention at the polarization transmission structure.

In the figure: 1. the device comprises a shell 2, a light source 3, a light guide cover 4, an angle adjusting knob 5, an adjusting frame 6, an adjusting frame mounting seat 7, a cantilever ejector rod 8, an adjusting transmission structure 9, an angle adjusting gear 10, an adjusting transmission gear 11, a transmission head 12, an aperture adjusting disc 13, a filtering adjusting disc 14, a polarization adjusting knob 15, a polarizer base 16, a polarization adjusting gear 17, a polarizer track 18, a first polarization transmission gear 19, a second polarization transmission gear 20, a polarization transmission rack 21 and an ultraviolet irradiation lamp.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1-3, a footprint searcher comprises a housing 1 including an upper housing and a lower housing; a light source 2 and a light guide cover 3 are arranged in the shell, an angle adjusting knob 4 is arranged on the shell, and an adjusting frame 5 is arranged on a light emitting surface of the light guide cover; one end of the light guide cover is aligned with the light source, and the caliber of the light guide cover is gradually increased in the direction from the light source to the light-emitting surface, so that the light diffusion effect is achieved; an adjusting frame mounting seat 6 is arranged at the bottom of the shell, namely the lower shell, the lower part of the adjusting frame is rotatably connected to the adjusting frame mounting seat, a cantilever ejector rod 7 is further connected to the upper part of the adjusting frame, and the cantilever ejector rod and the angle adjusting knob are in transmission connection through an adjusting transmission structure 8; the angle adjusting knob lower extreme is equipped with angle adjusting gear 9, it includes the regulation transmission pivot to adjust the transmission structure, the one end of adjusting the transmission pivot is installed and is adjusted drive gear 10 with angle adjusting gear adaptation meshing, threaded connection has drive head 11 on the other end, drive head fixed mounting is on the cantilever ejector pin, cantilever ejector pin thickness in vertical direction is no longer than 3mm, length in the horizontal direction is no less than 30mm, cantilever ejector pin thickness in this embodiment is 2.5mm, length is 50mm.

When the illumination angle needs to be adjusted, only the angle adjusting knob needs to be rotated, the angle adjusting gear also rotates along with the angle adjusting knob, and the transmission head is fixedly installed on the cantilever ejector rod and cannot rotate, so that the transmission head and the rotating shaft generate axial relative movement, and the cantilever ejector rod is driven to move back and forth in the axial direction of the rotating shaft, so that the adjusting frame is driven to rotate, and in the rotating process of the adjusting frame, the cantilever ejector rod deforms adaptively.

The shell is also provided with an aperture adjusting disc 12, a plurality of different apertures are arranged in the circumferential direction of the aperture adjusting disc, a plurality of grooves are arranged on the side edge of the aperture adjusting disc, the axial direction of the aperture adjusting disc is the same as the irradiation direction of the light source, and the upper end of the aperture adjusting disc is exposed out of the upper side surface of the shell; when the illumination intensity needs to be adjusted, different apertures can be aligned to the light source only by shifting the aperture adjusting disc on the upper side of the shell.

Still install filtering adjustment disk 13 on the casing, install the different filter lens of a plurality of on the circumferential direction of filtering adjustment disk, the side of filtering adjustment disk is along being equipped with a plurality of recesses, and the axial direction of filtering adjustment disk is the same with the direction of illumination of light source, and the upper end of filtering adjustment disk exposes the shell and goes up the side, when needing to adjust the filtering type, only needs stir filtering adjustment disk at the casing upside, can make different filter lens aim at the light source.

The shell is also provided with a polarization adjusting knob 14, the shell is also internally provided with a polarizer base 15 moving in the horizontal direction, the polarizer is arranged on the polarizer base, the polarization adjusting knob and the polarizer base are connected through a polarization transmission structure, the lower side of the polarization adjusting knob is provided with a polarization adjusting gear 16 rotating synchronously with the polarization adjusting knob, the polarization transmission structure comprises a polarizer track 17 and a polarization transmission shaft, the polarizer base is adaptive to and arranged in the polarizer track, the upper side surface of the polarizer base is provided with a polarization transmission rack 20, one end of the polarization transmission shaft is provided with a first polarization transmission gear 18 rotating in a meshing way with the polarization adjusting gear, and the other end of the polarization transmission shaft is provided with a second polarization transmission gear 19 meshing with the polarization transmission rack; when the state of whether opening the polarization when needs switch, only need rotate polarization adjust knob, can make the polarizer seat horizontal migration, when the light source is aimed at to the polarizer, be in the polarized light state, when the polarizer leaves the illumination route, be in no polarization state.

An ultraviolet radiation lamp 21 is also arranged on the adjusting frame, and the radiation angle of the ultraviolet radiation lamp follows the angle of the adjusting frame.

Claims

1. The utility model provides a footprint searcher, characterized by, includes the casing, installs light source, leaded light cover in the casing, installs angle adjust knob on the casing, installs the adjusting frame on the play plain noodles of leaded light cover, and the casing bottom is equipped with the adjusting frame mount pad, and the adjusting frame rotates to be connected on the adjusting frame mount pad, still is connected with the cantilever ejector pin on the adjusting frame, connects the transmission through adjusting transmission structure between cantilever ejector pin and the angle adjust knob.

2. The footprint searcher as claimed in claim 1, wherein the angle adjustment knob has an angle adjustment gear at its lower end, the adjustment transmission structure comprises an adjustment transmission shaft, one end of the adjustment transmission shaft is provided with an adjustment transmission gear engaged with the angle adjustment gear, the other end is connected with a transmission head by screw thread, and the transmission head is fixedly mounted on the cantilever push rod.

3. The footprint searcher of claim 2 in which the cantilever lift pin has a vertical thickness of no more than 3mm and a horizontal length of no less than 30mm.

4. The footprint searcher as claimed in claim 1, wherein the housing further has an aperture adjusting plate mounted thereon, the aperture adjusting plate having an axial direction identical to an irradiation direction of the light source, and an upper end of the aperture adjusting plate being exposed to an upper side of the housing.

5. The footprint searcher of claim 1, wherein the housing further has a filter dial mounted thereon, the filter dial having an axial direction identical to an irradiation direction of the light source, and an upper end of the filter dial being exposed to an upper side of the housing.

6. The footprint searcher as claimed in claim 1, wherein the housing further comprises a polarization adjustment knob, the housing further comprises a polarizer base moving in a horizontal direction, and the polarization adjustment knob and the polarizer base are connected through a polarization transmission structure.

7. The footprint searcher as claimed in claim 6, wherein the polarization adjustment knob has a polarization adjustment gear mounted on its lower side for rotation in synchronism therewith, the polarization transmission structure includes a polarizer rail and a polarization transmission shaft, the polarizer base is adapted to be mounted in the polarizer rail, the upper side of the polarizer base is provided with a polarization transmission rack, the polarization transmission shaft has a first polarization transmission gear mounted on one end thereof for rotation in engagement with the polarization adjustment gear, and a second polarization transmission gear mounted on the other end thereof for rotation in engagement with the polarization transmission rack.

8. The footprint searcher of any one of claims 1-7, wherein the adjustment frame is further provided with an ultraviolet radiation lamp.