CN210136343U

CN210136343U - Aviation pyroelectric infrared sensor optical filter packaging structure convenient to clean

Info

Publication number: CN210136343U
Application number: CN201921249430.1U
Authority: CN
Inventors: 刘欣; 蔡祗首
Original assignee: Zhonghui Aerospace Guangdong Technology Co Ltd
Current assignee: Zhonghui Aerospace Guangdong Technology Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-03-10
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a pyroelectric infrared sensor light filter packaging structure for aviation is convenient for clear up, including casing and light filter, the upper end left and right sides of casing all fixed mounting have the encapsulation board, the control bolt is all installed to the inner wall of encapsulation board, the fixed welding in left end of control bolt has the rotation handle, the control bolt all connects the inner wall at the encapsulation board through the bearing, first conical gear has been cup jointed to the outer wall of control bolt, first conical gear and second conical gear meshing, the inner wall of second conical gear runs through the screw rod, the fixed block has all been cup jointed through the bearing to the outer wall of screw rod, the both ends of fixed block all are through the inner wall fixed connection of first connecting rod and encapsulation board, the upper end outer wall of screw rod has all cup jointed the screw thread loop bar. The utility model discloses a be provided with the rotation handle for the baffle upwards slides, thereby directly takes out the light filter from packaging structure, can be very convenient clear up the light filter.

Description

Aviation pyroelectric infrared sensor optical filter packaging structure convenient to clean

Technical Field

The utility model relates to a light filter technical field specifically is an aviation is with pyroelectric infrared sensor light filter packaging structure who is convenient for clear up.

Background

Pyroelectric infrared sensor is because not sending out any type's radiation by itself, by the universal application in the aeronautical technical field, traditional pyroelectric infrared sensor's light filter packaging structure, at the in-process to the light filter clearance, the surface of light filter is touched easily, because the light filter can not directly contact with the hand, so inconvenience very in the clearance, the in-process is dismantled in the installation simultaneously, the light filter collides with packaging structure easily, cause the damage of light filter, consequently, need for a pyroelectric infrared sensor light filter packaging structure who is convenient for to clear for aviation to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aviation is with pyroelectric infrared sensor light filter packaging structure who is convenient for clear up to propose in solving above-mentioned background art at the light filter clearance in-process, contact the surface of light filter easily, because the light filter can not directly contact with the hand, so inconvenient problem very in the clearance.

In order to achieve the above object, the utility model provides a following technical scheme: a pyroelectric infrared sensor optical filter packaging structure convenient for cleaning for aviation comprises a shell and an optical filter, wherein packaging plates are fixedly mounted on the left side and the right side of the upper end of the shell, control bolts are mounted on the inner walls of the packaging plates, a rotating handle is fixedly welded on the left side of each control bolt, the control bolts are connected to the inner walls of the packaging plates through bearings, a first bevel gear is fixedly sleeved on the outer wall of each control bolt and meshed with a second bevel gear, a screw rod penetrates through the inner wall of the second bevel gear, a fixing block is sleeved on the outer wall of each screw rod through another bearing, two ends of each fixing block are fixedly connected with the inner wall of the packaging plate through a first connecting rod, a threaded sleeve rod is sleeved on the outer wall of the upper end of each screw rod, the upper end of each threaded sleeve rod is fixedly welded with a sealing cap, and a second connecting rod is fixedly connected to the lower end of the sealing cap, the lower extreme of second connecting rod all fixed welding have a pressure plate, the lower extreme of pressure plate has all laminated the cushion, the light filter has been placed to the inner wall of cushion, the lower extreme contact of light filter has the fly leaf, the lower extreme left and right sides of fly leaf all fixed mounting have the slider, both sides all fixed mounting have the baffle around the sealing cap.

Preferably, the bottom of screw rod all fixes the cover and has connect two belt pulleys, two all connect through the belt between the belt pulley.

Preferably, the thread size of the outer wall of the screw is equal to the thread size of the inner wall I of the threaded sleeve rod.

Preferably, the size of the inner wall of the two groups of rubber pads is larger than that of the outer wall of the optical filter.

Preferably, the sliding blocks are all embedded in the inner wall of the supporting plate, and the supporting plate is all fixedly installed on the inner wall of the packaging plate.

Preferably, the height of the baffles is equal to that of the packaging plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the easy-to-clean optical filter packaging structure of the pyroelectric infrared sensor for aviation, the rotating handle is arranged, so that the baffle can slide upwards, the optical filter can be directly taken out of the packaging structure, and the optical filter can be very conveniently cleaned;

2. simultaneously this aviation is with pyroelectric infrared sensor light filter packaging structure convenient to clearance through setting up the fly leaf, can directly place the light filter in the upside of fly leaf, then promotes the fly leaf for the fly leaf slides to the inside of cushion, thereby when avoiding installing and dismantling the light filter, causes the light filter and packaging structure collision, causes the light filter to damage.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic top sectional view of the structure of the present invention;

fig. 4 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a package board; 3. rotating the handle; 4. a control bolt; 5. a first bevel gear; 6. a bearing; 7. a second bevel gear; 8. a screw; 9. a fixed block; 10. a first connecting rod; 11. a belt pulley; 12. a belt; 13. a threaded rod; 14. sealing the cap; 15. a second connecting rod; 16. a pressure plate; 17. a rubber pad; 18. an optical filter; 19. a movable plate; 20. a support plate; 21. a slider; 22. and a baffle plate.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a thermal release electric infrared sensor light filter packaging structure for aviation convenient to clearance, including casing 1 and light filter 18, the upper end left and right sides of casing 1 all fixed mounting has packaging board 2, control bolt 4 is all installed to packaging board 2's inner wall, the fixed welding of control bolt 4's left end has rotation handle 3, control bolt 4 all connects the inner wall at packaging board 2 through bearing 6, first conical gear 5 has been cup jointed to control bolt 4's outer wall is fixed, first conical gear 5 and the meshing of second conical gear 7, the inner wall of second conical gear 7 has all run through screw rod 8, two belt pulleys 11 have all been cup jointed fixedly to screw rod 8's bottom, all connect through belt 12 between two belt pulleys 11, can make the steady rising of closing cap 14, prevent closing cap 14 from blocking, cause the damage, influence the aircraft at the flight in-process.

The outer wall of screw rod 8 all has cup jointed fixed block 9 through another bearing 6, the outer wall thread dimension of screw rod 8 equals the inner wall thread dimension of screw rod loop bar 13, can make baffle 22 rise, thereby conveniently clear up light filter 18, the both ends of fixed block 9 all are through the inner wall fixed connection of head rod 10 with packaging board 2, screw rod 8's upper end outer wall has all cup jointed screw rod loop bar 13, the upper end of screw rod loop bar 13 all with sealing cap 14 fixed weld, sealing cap 14's lower extreme fixedly connected with second connecting rod 15, the lower extreme of second connecting rod 15 all fixed weld has pressure plate 16, the lower extreme of pressure plate 16 has all laminated cushion 17, the inner wall dimension of two sets of cushion 17 is greater than the outer wall dimension of light filter 18, can protect light filter 18, thereby avoid light filter 18 and packaging board 2's outer wall to produce the friction, cause the damage.

Light filter 18 has been placed to the inner wall of cushion 17, the lower extreme contact of light filter 18 has movable plate 19, the equal fixed mounting in lower extreme left and right sides of movable plate 19 has slider 21, slider 21 all inlays the inner wall at backup pad 20, backup pad 20 all fixed mounting is at the inner wall of packaging plate 2, can avoid installation and when dismantling light filter 18, cause light filter 18 and packaging structure collision, cause light filter 18 to damage, the equal fixed mounting in both sides has baffle 22 around the sealing cap 14, baffle 22 highly all equals the height of packaging plate 2, can seal up pyroelectric infrared sensor, guarantee whole packaging hardware leakproofness.

The working principle is as follows: when the optical filter 18 needs to be cleaned, the control bolt 4 is firstly rotated, so that the control bolt 4 drives the rotating handle 3 to rotate, the rotating handle 3 drives the first bevel gear 5 to rotate, the first bevel gear 5 drives the second bevel gear 7 to rotate, the second bevel gear 7 drives the screw rod 8 to rotate, when the screw rod 8 drives the threaded sleeve rod 13 to slide upwards in a rotating manner, the belt pulley 11 at the bottom end of the screw rod 8 drives the belt 12 to rotate, so that all the screw rods 8 rotate, and the sealing cap 14 is driven to slide upwards stably.

The sliding of the sealing cap 14 drives the second connecting rod 15 to move upwards, drives the pressure plate 16 to move upwards, so that the rubber pad 17 returns to the original shape, and the optical filter 18 becomes loose, and simultaneously the sealing cap 14 also drives the baffle 22 to slide upwards while the second connecting rod 15 moves upwards until the rubber pad 17 is completely seen, and then pulls the movable plate 19, so that the movable plate 19 drives the sliding block 21 to slide in the sliding groove formed in the upper end of the supporting plate 20, the movable plate 19 is drawn out from the inner wall of the rubber pad 17, and then the optical filter 18 placed on the movable plate 19 is taken out for cleaning, after the optical filter 18 is cleaned, the clean optical filter 18 is placed on the movable plate 19 again, and the operations are repeated, so that the optical filter 18 is installed inside the packaging structure again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an aviation is with pyroelectric infrared sensor light filter packaging structure convenient to clearance, includes casing (1) and light filter (18), its characterized in that: the packaging plate is characterized in that packaging plates (2) are fixedly mounted on the left and right sides of the upper end of the shell (1), control bolts (4) are mounted on the inner wall of each packaging plate (2), rotating handles (3) are fixedly welded on the left ends of the control bolts (4), the control bolts (4) are connected to the inner wall of each packaging plate (2) through bearings (6), first bevel gears (5) are fixedly sleeved on the outer wall of the control bolts (4), the first bevel gears (5) are meshed with second bevel gears (7), screw rods (8) penetrate through the inner wall of the second bevel gears (7), fixed blocks (9) are sleeved on the outer walls of the screw rods (8) through another bearing (6), the two ends of each fixed block (9) are fixedly connected with the inner wall of each packaging plate (2) through first connecting rods (10), and threaded sleeve rods (13) are sleeved on the outer walls of the upper ends of the screw rods (8), the upper end of screw thread loop bar (13) all with sealing cap (14) fixed weld, the lower extreme fixedly connected with second connecting rod (15) of sealing cap (14), the lower extreme of second connecting rod (15) all fixed weld have pressure plate (16), the lower extreme of pressure plate (16) has all laminated cushion (17), light filter (18) have been placed to the inner wall of cushion (17), the lower extreme contact of light filter (18) has fly leaf (19), the lower extreme left and right sides of fly leaf (19) all fixed mounting have slider (21), the front and back both sides of sealing cap (14) all fixed mounting have baffle (22).

2. The easy-to-clean optical filter package structure for the pyroelectric infrared sensor for aviation as claimed in claim 1, wherein: the bottom of screw rod (8) all fixes the cover and has connect two belt pulleys (11), two all connect through belt (12) between belt pulley (11).

3. The easy-to-clean optical filter package structure for the pyroelectric infrared sensor for aviation as claimed in claim 1, wherein: the thread size of the outer wall of the screw rod (8) is equal to the thread size of the inner wall of the threaded sleeve rod (13).

4. The easy-to-clean optical filter package structure for the pyroelectric infrared sensor for aviation as claimed in claim 1, wherein: the size of the inner walls of the two groups of rubber pads (17) is larger than that of the outer wall of the optical filter (18).

5. The easy-to-clean optical filter package structure for the pyroelectric infrared sensor for aviation as claimed in claim 1, wherein: the sliders (21) are embedded in the inner wall of the support plate (20), and the support plate (20) is fixedly arranged on the inner wall of the packaging plate (2).

6. The easy-to-clean optical filter package structure for the pyroelectric infrared sensor for aviation as claimed in claim 1, wherein: the height of the baffle plates (22) is equal to that of the packaging plate (2).