CN202995222U

CN202995222U - Double-filter switcher

Info

Publication number: CN202995222U
Application number: CN 201320050676
Authority: CN
Inventors: 穆青运
Original assignee: SUZHOU WENBOFEI ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: SUZHOU WENBOFEI ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2013-01-30
Filing date: 2013-01-30
Publication date: 2013-06-12
Anticipated expiration: 2023-01-30

Abstract

The utility model discloses a double-filter switcher. The double-filter switcher comprises an upper cover, a bearing sheet, two filters, a base and an electromagnetic switching device, wherein the base is an L-shaped shell structure, a fastener is respectively arranged on the two sides of the inner side of the long shell of the base, the bearing sheet is fastened in the long shell of the base by the fasteners, the electromagnetic switching device is arranged in the short shell of the base and composed of an electromagnetic valve and a swing needle, the side-to-side movement of the swing needle is controlled by the electromagnetic valve, a lens area and a long hole are formed on the bearing sheet, the two filters are arranged in the lens area side by side, the swing needle is inserted into the long hole of the bearing sheet, the bearing sheet is pulled by the swing needle to move left and right in the action space between a long convex rib and a long concave rib, simultaneously the two filters in the bearing sheet are switched left and right. By the above way, the friction coefficient of the double-filter switcher lenses is small, the action safety coefficient is high, the sealing performance is good, the dust is proof, the double-filter switcher is resistant to outside interference, and the performance is more stable.

Description

Two optical-filter switchers

Technical field

The utility model relates to the safety monitoring technical field, particularly relates to a kind of two optical-filter switchers for field photography, video recording.

Background technology

In prior art, the fixed form of two optical filters in two optical-filter switchers is: at X, two optical filters on Y-direction and carrying tablet adopt a some glue mode to fix, and adopt pedestal to limit its free gap in the Z direction.Two optical filters are followed carrying tablet when carrying out the left and right switching, it switches the space is optical filter thickness and carrying tablet thickness sum, the face that slides up and down is all on carrying tablet, it is large that said structure switches the space, cause optical filter when sliding, its friction factor is large, and the action safety coefficient is low, and single part appearance causes whole filter set to be scrapped when bad.

The utility model content

The utility model fundamental purpose is to provide a kind of pair of optical-filter switcher, and between eyeglass, friction factor is little, and the action safety coefficient is high, and good airproof performance, and is dustproof, can resist external interference, and performance is more stable.

for solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of pair of optical-filter switcher is provided, comprise: upper cover, carrying tablet, two optical filters, pedestal and electromagnetic switching device, described pedestal is the shell structure of a L-type, the inboard both sides of the long shell of described pedestal are respectively arranged with a buckle, described buckle snaps onto carrying tablet in the long shell of pedestal, described electromagnetic switching device is placed in the brevicone body of pedestal, the long shell inner bottom part of described pedestal offers first party Jing Kou, cover on described and offer second party Jing Kou, described upper cover is connected with pedestal corresponding to second party Jing Kou by first party Jing Kou, and with carrying tablet, two optical filters and electromagnetic switching device sealing are fixed in pedestal, be respectively arranged with the long convex tendon of twice on the both sides of described first party Jing Kou, long convex tendon contacts with a upper thread of carrying tablet, two optical filters, be respectively arranged with a long concave bar on the both sides of described second party Jing Kou, long concave bar contacts with another upper thread of carrying tablet, two optical filters,

Described electromagnetic switching device comprises a solenoid valve and a balancing point, described solenoid control balancing point swings, offer lens area and a slotted hole on described carrying tablet, described two optical filters are placed side by side in lens area, described balancing point is inserted in the slotted hole of carrying tablet, described balancing point pulls the activity space of carrying tablet between long convex tendon and long concave bar to move left and right, and two optical filters in carrying tablet are completed the left and right switching simultaneously.

Preferably, avoid disturbing for sealing and the magnetic field of considering solenoid valve, solenoid valve is the enwraped type structure, and described solenoid valve comprises housing, permanent magnet and coil, and described permanent magnet is arranged on the inside of housing, and described coil is wrapped in the outside of housing.

Preferably, one of them is infrared filter for described two optical filters, and one is the infrared penetration sheet.

Preferably, cover on described and be provided with a long arc-shaped holes, the motion track of described long arc-shaped holes and described balancing point adapts.

The beneficial effects of the utility model are: carrying tablet of the present utility model and two optical filters are built on the interior same plane of pedestal, this structure packaging efficiency is high, the lens module group is vertical, has lacked the some glue process, causes whole lens set to be scrapped when having avoided single part appearance bad.The electromagnetic switching device part interfixes, and can effectively prevent from vibrating the loosening or disengaging that causes between each part, and permanent magnet and rotating shaft are subject to the protection of shell, have dustproof effect.

Description of drawings

Fig. 1 is the plan structure schematic diagram of the two optical-filter switchers of the utility model;

Fig. 2 is the sectional structure schematic diagram at A-A shown in Figure 1 place;

Fig. 3 is the main TV structure schematic diagram of the two optical-filter switchers of the utility model;

Fig. 4 is the structural representation of carrying tablet in the two optical-filter switchers of the utility model;

Fig. 5 is the assembling schematic diagram of pedestal in the two optical-filter switchers of the utility model.

In accompanying drawing, the mark of each parts is as follows: 1, upper cover; 2, carrying tablet; 3, two optical filters; 4, pedestal; 5, electromagnetic switching device; 10, second party Jing Kou; 11, long concave bar; 20, lens area; 21, slotted hole; 40, long shell; 41, brevicone body; 42, first party Jing Kou; 43, long convex tendon; 44, buckle; 50, solenoid valve; 51, balancing point; 500, housing; 501, permanent magnet; 502, coil.

Embodiment

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made more explicit defining.

see also Fig. 1 to Fig. 5, the utility model embodiment comprises: a kind of pair of optical-filter switcher: upper cover 1, carrying tablet 2, two optical filters 3, pedestal 4 and electromagnetic switching device 5, pedestal 4 is the shell structure of a L-type, the long shell 40 inboard both sides of pedestal 4 are respectively arranged with a buckle 44, buckle 44 snaps onto carrying tablet 2 in the long shell 40 of pedestal 1, electromagnetic switching device 5 is placed in the brevicone body 41 of pedestal 4, long shell 40 inner bottom parts of pedestal 4 offer first party mirror mouth 42, offer second party mirror mouth 10 on upper cover 1, upper cover 1 is connected with pedestal 4 corresponding to second party mirror mouth 10 by first party mirror mouth 42, and with carrying tablet 2, two optical filters 3 and electromagnetic switching device 5 sealings are fixed in pedestal 4, be respectively arranged with the long convex tendon 43 of twice on the both sides of first party mirror mouth 42, long convex tendon 43 contacts with a upper thread of carrying tablet 2, two optical filters 3, be respectively arranged with a long concave bar 11 on the both sides of second party mirror mouth 10, long concave bar 11 contacts with another upper thread of carrying tablet 2, two optical filters 3,

Further, described electromagnetic switching device 5 comprises a solenoid valve 50 and a balancing point 51, solenoid valve 50 is controlled balancing point 51 and is swung, offer lens area 20 and a slotted hole 21 on carrying tablet 2, two optical filters 3 are placed side by side in lens area 20, balancing point 51 is inserted in the slotted hole 21 of carrying tablet 2, and balancing point 51 pulls the activity space of carrying tablet 2 between long convex tendon 43 and long concave bar 11 to move left and right, and two optical filters 3 in carrying tablet 2 are completed the left and right switching simultaneously.

Furtherly, described solenoid valve 50 comprises a housing 500, permanent magnet 501 and coil 502, and permanent magnet 501 is arranged on the inside of housing 500, and coil 502 is wrapped in the outside of housing 500.

Further, one of them is infrared filter for described two optical filters, and one is the infrared penetration sheet.

Further, described upper cover 1 is provided with a long arc-shaped holes, and the motion track of described long arc-shaped holes and described balancing point 51 adapts.Like this, in the situation that balancing point 51 is long, balancing point 51 can move around in the long arc-shaped holes of upper cover 1, to realize swing.

At first the two optical-filter switchers of the utility model drive balancing point 51 circle swings after solenoid valve 50 energisings when carrying out work, balancing point 51 drives carrying tablet 2 rectilinear motions, thereby two optical filters 3 are switched; Two optical filters 3 are when motion, its left and right and fore-and-aft direction are subject to the fixing of carrying tablet 2, above-below direction is subject in upper cover 1 the fixing of long convex tendon 43 in long concave bar 11 and pedestal 4, between long concave bar 11 and long convex tendon 43 and leave glade plane space, has guaranteed the smooth and easy back and forth movement of two optical filters 3.

The above is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.

Claims

1. two optical-filter switcher, comprise: upper cover, carrying tablet, two optical filters, pedestal and electromagnetic switching device, it is characterized in that: described pedestal is the shell structure of a L-type, the inboard both sides of the long shell of described pedestal are respectively arranged with a buckle, described buckle snaps onto carrying tablet in the long shell of pedestal, described electromagnetic switching device is placed in the brevicone body of pedestal, the long shell inner bottom part of described pedestal offers first party Jing Kou, cover on described and offer second party Jing Kou, described upper cover is connected with pedestal corresponding to second party Jing Kou by first party Jing Kou, and with carrying tablet, two optical filters and electromagnetic switching device sealing are fixed in pedestal, be respectively arranged with the long convex tendon of twice on the both sides of described first party Jing Kou, long convex tendon contacts with a upper thread of carrying tablet, two optical filters, be respectively arranged with a long concave bar on the both sides of described second party Jing Kou, long concave bar contacts with another upper thread of carrying tablet, two optical filters,

2. according to claim 1 pair of optical-filter switcher, it is characterized in that: described solenoid valve comprises housing, permanent magnet and coil, and described permanent magnet is arranged on the inside of housing, and described coil is wrapped in the outside of housing.

3. according to claim 1 pair of optical-filter switcher is characterized in that: one of them is infrared filter described two optical filters, and another is the infrared penetration sheet.

4. according to claim 1 and 2 or 3 described pairs of optical-filter switchers, it is characterized in that: cover on described and be provided with a long arc-shaped holes, the motion track of described long arc-shaped holes and described balancing point adapts.