CN213715674U

CN213715674U - Lens protection mechanism for projecting apparatus

Info

Publication number: CN213715674U
Application number: CN202022958502.9U
Authority: CN
Inventors: 张娇阳
Original assignee: Individual
Current assignee: Dongguan Yongqin Photoelectric Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-07-16
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a lens protection machanism for projecting apparatus, including casing and guard plate, one side of casing is fixed with the guard plate, the inside of casing is provided with the projecting apparatus camera lens, the standing groove has been seted up to the inside of guard plate, and the inside of standing groove is provided with the fluted disc, the both ends of fluted disc all are fixed with the slider, the inside joint of fluted disc has the protection lens, the spacing groove has all been seted up to the inside of casing both sides, the both ends of guard plate all are fixed with the carriage release lever, guard plate one end surface cover is kept away from to the carriage release lever is equipped with reset spring, the draw-in groove has all been seted up on the surface of carriage release lever both sides, the surface of casing has seted up flutedly, and the inside of recess is provided with the regulating block to the. The utility model discloses not only improve lens protection machanism's work efficiency, improved the convenience of changing the protection lens, avoided the projecting apparatus to take place the fuzzy phenomenon of protection lens when using moreover.

Description

Lens protection mechanism for projecting apparatus

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a lens protection machanism for projecting apparatus.

Background

The projector is a device capable of projecting images or videos onto a curtain, the projector lens is a very important part of the projector, and if the lens is exposed outside frequently, dust is more and abrasion of the lens is caused, so that a lens protection mechanism for the projector is needed, the lens is protected from being damaged, and the service life of the lens is prolonged.

The lens protection mechanisms on the market are various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:

1. when the traditional lens protection mechanism is used, the rapidity of fixing the lens protection mechanism is rarely set, so that the working efficiency of the lens protection mechanism is reduced;

2. when the traditional lens protection mechanism is used, the lens protection mechanism is rarely provided with a convenient function of replacing the protection lens, so that the convenience of replacing the protection lens is reduced;

3. the traditional lens protection mechanism is generally rarely used for cleaning the protection lens, so that the projector is easy to generate the phenomenon of blurriness of the protection lens when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens protection machanism for projecting apparatus to propose the work efficiency who has reduced lens protection machanism in solving above-mentioned background art, reduced the convenience of changing the protection lens and leaded to the projecting apparatus to take place the problem of the fuzzy phenomenon of protection lens easily when using.

In order to achieve the above object, the utility model provides a following technical scheme: a lens protection mechanism for a projector comprises a shell and a protection plate, wherein the protection plate is fixed on one side of the shell, a projector lens is arranged in the shell, a placing groove is formed in the protection plate, a fluted disc is arranged in the placing groove, two ends of the fluted disc are both fixed with sliders, the sliders are in sliding fit with the surface of the placing groove, a protection lens is clamped in the fluted disc, a telescopic sponge is embedded on the surface of the placing groove on one side of the protection lens, a limiting groove is formed in the two sides of the shell, moving rods are fixed at two ends of the protection plate, one end of each moving rod extends into the limiting groove, a reset spring is sleeved on the surface of one end, away from the protection plate, of each moving rod, the surface of one end of each reset spring is fixedly connected with the surface of the corresponding moving rod, and the surface of the other end of each reset spring is fixedly connected with the inner wall, the surface of carriage release lever both sides has all seted up the draw-in groove, the surface of casing has seted up the recess, and the inside of recess is provided with the regulating block to the one end of regulating block extends to the inside of draw-in groove.

Preferably, the both sides of housing face all are provided with fixed establishment, and fixed establishment's inside has set gradually hinge post, expanding spring, first joint piece, second joint piece the surface of casing both sides articulates through the hinge post has first joint piece, and the fixed surface of first joint piece one side has expanding spring, and expanding spring keeps away from the one end of first joint piece and the fixed surface of casing and be connected, the fixed surface of projecting apparatus camera lens has second joint piece, and the mutual joint cooperation of second joint piece and first joint piece.

Preferably, the center position department at casing top has seted up the swivelling chute, and swivelling chute and standing groove intercommunication each other, the inside of swivelling chute articulates there is the regulation double-screw bolt, and the one end of adjusting the double-screw bolt runs through the swivelling chute and extends to the top of casing.

Preferably, a fixed block is fixed on the surface of the adjusting stud, the bottom of the fixed block is fixedly connected with the top of the shell, a fastening screw is connected with one side of the fixed block through a thread, and one end of the fastening screw penetrates through the fixed block and is connected with the surface of the adjusting stud through a thread.

Preferably, the surfaces of the two sides of the groove are both fixed with adjusting springs, and one ends, far away from the groove, of the adjusting springs are fixedly connected with the surfaces of the adjusting blocks.

Preferably, the rectangular channel has all been seted up on the surface of regulating block both sides, and the inside of rectangular channel is fixed with and sticiss the spring, and sticiss the spring and keep away from the one end of rectangular channel and install the fixture block to the fixture block cooperates with the mutual joint of draw-in groove.

Compared with the prior art, the beneficial effects of the utility model are that: the lens protection mechanism for the projector not only improves the working efficiency of the lens protection mechanism, improves the convenience of replacing the protection lens, but also avoids the phenomenon of fuzzy protection lens when the projector is used;

1. by arranging the hinge post, the first clamping block, the telescopic spring and the second clamping block, the protection mechanism is firstly sleeved outside the projector lens, and then the first clamping block is rotated under the action of the hinge post to be clamped on a groove body on the surface of the second clamping block under the elastic contraction action of the telescopic spring, so that the shell is fixed, the rapidity of the lens protection mechanism in the fixing process is realized, and the working efficiency of the lens protection mechanism is improved;

2. through the arrangement of the adjusting block, the pressing spring, the reset spring and the moving rod, the adjusting block is pulled at first, the clamping block is extruded into the rectangular groove under the action of the pressing spring, so that the adjusting block is pulled out of the clamping groove, then the protective plate is pulled to separate the shell from the protective plate, after the protective lens is replaced, the reset spring sleeved on the surface of the moving rod generates the contracting elastic force on the moving rod, meanwhile, the limit groove limits the reset spring, the convenient function of replacing the protective lens by the lens protection mechanism is realized, and the convenience of replacing the protective lens is improved;

3. through being provided with fastening screw, adjusting stud, fluted disc, and flexible sponge, at first through rotatory fastening screw, the rotatory adjusting stud of rethread, under adjusting stud and fluted disc intermeshing's effect, realize the rotation of protection lens, simultaneously through tensile flexible sponge, clean the surface of protection lens, fix through reverse rotation fastening screw, realized that lens protection mechanism carries out clear convenience to protection lens, thereby avoided the projecting apparatus to take place the fuzzy phenomenon of protection lens when using.

Drawings

Fig. 1 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the subjective semi-section structure of the present invention;

FIG. 3 is an enlarged schematic view of the fixing mechanism of the present invention;

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

In the figure: 1. a housing; 2. a limiting groove; 3. a travel bar; 4. a protection plate; 5. a slider; 6. a telescopic sponge; 7. a protective lens; 8. a placement groove; 9. a fluted disc; 10. a fixed block; 11. fastening screws; 12. a return spring; 13. a fixing mechanism; 1301. a hinged column; 1302. a tension spring; 1303. a first clamping block; 1304. a second clamping block; 14. a projector lens; 15. adjusting the stud; 16. a rotating tank; 17. a card slot; 18. a compression spring; 19. a rectangular groove; 20. a clamping block; 21. a groove; 22. an adjusting block; 23. the spring is adjusted.

Detailed Description

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: a lens protection mechanism for a projector comprises a shell 1 and a protection plate 4, wherein the protection plate 4 is fixed on one side of the shell 1, a projector lens 14 is arranged in the shell 1, fixing mechanisms 13 are arranged on two sides of the surface of the shell 1, a hinge column 1301, a telescopic spring 1302, a first clamping block 1303, a second clamping block 1304 are sequentially arranged in the fixing mechanisms 13, the surfaces of two sides of the shell 1 are hinged to a first clamping block 1303 through the hinge column 1301, the telescopic spring 1302 is fixed on the surface of one side of the first clamping block 1303, one end, far away from the first clamping block 1303, of the telescopic spring 1302 is fixedly connected with the surface of the shell 1, a second clamping block 1304 is fixed on the surface of the projector lens 14, and the second clamping block 1304 is in clamping fit with the first clamping block 1303;

firstly, the protection mechanism is sleeved outside the projector lens 14, then the first clamping block 1303 is rotated under the action of the hinge column 1301, and is clamped to the groove body on the surface of the second clamping block 1304 under the elastic contraction action of the telescopic spring 1302, so that the shell 1 is fixed, the rapidity of fixing the lens protection mechanism is realized, and the working efficiency of the lens protection mechanism is improved;

a placing groove 8 is formed in the protection plate 4, a fluted disc 9 is arranged in the placing groove 8, sliding blocks 5 are fixed at two ends of the fluted disc 9, the sliding blocks 5 are in sliding fit with the surface of the placing groove 8, a protection lens 7 is clamped in the fluted disc 9, a telescopic sponge 6 is embedded on the surface of the placing groove 8 on one side of the protection lens 7, a rotating groove 16 is formed in the central position of the top of the shell 1, the rotating groove 16 is communicated with the placing groove 8, an adjusting stud 15 is hinged in the rotating groove 16, one end of the adjusting stud 15 penetrates through the rotating groove 16 and extends to the upper side of the shell 1, a fixing block 10 is fixed on the surface of the adjusting stud 15, the bottom of the fixing block 10 is fixedly connected with the top of the shell 1, a fastening screw 11 is connected with one side of the fixing block 10 through threads, and one end of the fastening screw 11 penetrates through the fixing block 10 and, the lens protection mechanism is used for conveniently cleaning the protection lens 7;

the inner parts of two sides of the shell 1 are both provided with a limiting groove 2, two ends of a protection plate 4 are both fixed with a moving rod 3, one end of the moving rod 3 extends to the inner part of the limiting groove 2, the surface of one end of the moving rod 3, which is far away from the protection plate 4, is sleeved with a return spring 12, the surface of one end of the return spring 12 is fixedly connected with the surface of the moving rod 3, the surface of the other end of the return spring 12 is fixedly connected with the inner wall of the limiting groove 2, the surfaces of two sides of the moving rod 3 are both provided with a clamping groove 17, the surface of the shell 1 is provided with a groove 21, the inner part of the groove 21 is provided with an adjusting block 22, one end of the adjusting block 22 extends to the inner part of the clamping groove 17, the surfaces of two sides of the groove 21 are both fixed with an adjusting spring 23, one end of the adjusting spring 23, which is far away from the groove 21, is, and the end of the compression spring 18 far away from the rectangular groove 19 is provided with a fixture block 20, and the fixture block 20 and the fixture groove 17 are in clamping fit with each other for facilitating the replacement of the protective lens 7 by the lens protection mechanism.

The working principle is as follows: when the lens protection mechanism is used, the protection mechanism is firstly sleeved outside a projector lens 14, then the first clamping block 1303 is rotated under the action of the hinge column 1301, and is clamped on the groove body on the surface of the second clamping block 1304 under the elastic contraction action of the telescopic spring 1302, so that the shell 1 is fixed, the rapidity of the lens protection mechanism in fixing is realized, the working efficiency of the lens protection mechanism is improved, after the fixing is finished, when the protection lens 7 needs to be replaced in the use process, the adjusting block 22 is firstly pulled, the clamping block 20 is extruded into the rectangular groove 19 under the action of the pressing spring 18, so that the adjusting block 22 is pulled out of the clamping groove 17, meanwhile, the adjusting spring 23 prevents the adjusting block 22 from falling off, then the protection plate 4 is pulled, the moving rods 3 on the two sides of the protection plate are driven to move outwards, the shell 1 is separated from the protection plate 4, and the protection lens 7 is taken out, after the protective lens 7 is replaced, the reset spring 12 sleeved on the surface of the moving rod 3 generates the elastic force for shrinking the moving rod 3, meanwhile, the limit groove 2 limits the reset spring 12 to prevent the moving rod 3 from falling off, the protective plate 4 is tightly attached to the shell 1 to realize the convenient function of replacing the protective lens 7 by the lens protective mechanism, thereby improving the convenience for replacing the protective lens 7, when the surface of the protective lens 7 needs to be cleaned in the use process, firstly, the fastening screw 11 is rotated to loosen the surface of the adjusting stud 15, then, the adjusting stud 15 is rotated to realize the rotation of the protective lens 7 under the mutual meshing effect of the adjusting stud 15 and the fluted disc 9, meanwhile, the surface of the protective lens 7 is cleaned by stretching the telescopic sponge 6, and after the cleaning is finished, the fastening screw 11 is reversely rotated to fix the protective lens, carry out clear convenience to protective glass 7 with realizing lens protection machanism to avoided the projecting apparatus to take place the blurred phenomenon of protective glass 7 when using, finally accomplished lens protection machanism's use work.

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 a lens protection machanism for projecting apparatus, includes casing (1) and guard plate (4), its characterized in that: the protection plate is fixed on one side of the shell (1), the projector lens (14) is arranged inside the shell (1), a placing groove (8) is formed inside the protection plate (4), a fluted disc (9) is arranged inside the placing groove (8), sliding blocks (5) are fixed at two ends of the fluted disc (9), the sliding blocks (5) are in sliding fit with the surface of the placing groove (8), protective lenses (7) are clamped inside the fluted disc (9), telescopic sponges (6) are embedded on the surface of the placing groove (8) on one side of the protective lenses (7), limiting grooves (2) are formed in two sides of the shell (1), moving rods (3) are fixed at two ends of the protection plate (4), one ends of the moving rods (3) extend to the inside of the limiting grooves (2), and reset springs (12) are sleeved on the surfaces of the moving rods (3) far away from the protection plate (4), and the fixed surface of the surface of one end of the reset spring (12) is fixedly connected with the surface of the moving rod (3), the surface of the other end of the reset spring (12) is fixedly connected with the inner wall of the limiting groove (2), the surfaces of the two sides of the moving rod (3) are provided with clamping grooves (17), the surface of the shell (1) is provided with a groove (21), the inside of the groove (21) is provided with an adjusting block (22), and one end of the adjusting block (22) extends to the inside of the clamping groove (17).

2. A lens guard mechanism for a projector according to claim 1, wherein: the both sides on casing (1) surface all are provided with fixed establishment (13), and the inside of fixed establishment (13) has set gradually articulated post (1301), expanding spring (1302), first joint piece (1303), second joint piece (1304), the surface of casing (1) both sides articulates through articulated post (1301) has first joint piece (1303), and the fixed surface of first joint piece (1303) one side has expanding spring (1302), and expanding spring (1302) keep away from the one end of first joint piece (1303) and the fixed surface of casing (1) is connected, the fixed surface of projecting apparatus camera lens (14) has second joint piece (1304), and second joint piece (1304) and the mutual joint cooperation of first joint piece (1303).

3. A lens guard mechanism for a projector according to claim 1, wherein: the improved shell structure is characterized in that a rotating groove (16) is formed in the center of the top of the shell (1), the rotating groove (16) is communicated with the placing groove (8), an adjusting stud (15) is hinged to the inside of the rotating groove (16), and one end of the adjusting stud (15) penetrates through the rotating groove (16) and extends to the upper portion of the shell (1).

4. A lens guard mechanism for a projector according to claim 3, wherein: the surface mounting of adjusting stud (15) has fixed block (10), and the top fixed connection of the bottom of fixed block (10) and casing (1), one side threaded connection of fixed block (10) has fastening screw (11) to the one end of fastening screw (11) runs through fixed block (10) and with the surface threaded connection of adjusting stud (15).

5. A lens guard mechanism for a projector according to claim 1, wherein: the surface of recess (21) both sides all is fixed with adjusting spring (23), and adjusting spring (23) keep away from the fixed surface connection of one end and regulating block (22) of recess (21).

6. A lens guard mechanism for a projector according to claim 1, wherein: rectangular channel (19) have all been seted up on the surface of regulating block (22) both sides, and the inside of rectangular channel (19) is fixed with and sticiss spring (18), and sticiss spring (18) and keep away from the one end of rectangular channel (19) and install fixture block (20), and fixture block (20) and draw-in groove (17) mutual joint cooperation.