CN208044166U - A card-type circular polarizer holder - Google Patents

Abstract

The utility model discloses a card-inserting type circular polarizer bracket, which comprises a filter bracket bottom plate and a sheet bracket inserted in the filter bracket; a channel is arranged on the side edge of the sheet-shaped support, and a driven gear is arranged in the channel; the filter support is provided with a slot, and a gear shaft is arranged in the slot; the sheet-shaped support is inserted into the slot, and a driven gear of the sheet-shaped support is meshed with a gear shaft in the slot. The novel multifunctional electric heating cooker has the advantages of simple structure, compact matching, convenience in use, reasonable design and elegant appearance; therefore, the product has excellent technical and economic performance.

Description

A card-type circular polarizer holder

【Technical field】

The utility model mainly relates to a plug-in type circular polarizer bracket.

【Background technique】

At present, the photographic filter holders on the market mainly install circular polarizers on the filter holder through threads. It is not difficult to assemble and disassemble circular polarizers below 100mm, especially those above 150mm. Circular polarizers are difficult to assemble and disassemble and easy to drop because the outer diameter is beyond the reach of normal people’s fingers, and fingers are easy to contaminate the lens. At present, there has been no proper solution in the industry.

【Content of utility model】

In order to solve the above problems, the utility model proposes a card-type circular polarizer bracket.

The plug-in circular polarizer bracket adopts the following technical solutions:

A card-type circular polarizer holder, which includes a filter holder base plate and a sheet holder inserted into the filter holder;

A channel is provided on the side of the sheet-shaped support, and a driven gear is provided in the channel;

The filter holder has a slot, and a gear shaft is arranged in the slot; the sheet support is inserted into the slot, and the driven gear of the sheet support is engaged with the gear shaft in the slot.

Preferably, the sheet-shaped support is provided with a circular polarizing frame, and a circular polarizer is placed on the circular polarizing frame.

Preferably, the circular polarizer frame is provided with a rib for fixing the circular polarizer and several buckles.

Preferably, the sheet-shaped support is provided with a step for placing the circular polarizing frame and a stopper for preventing the circular polarizing frame from falling out.

Preferably, the slot is provided with elastic pieces.

Preferably, the stopper is fixed on the sheet support by buckling.

Preferably, the stopper is fixed on the sheet support by welding or screws.

Preferably, the gear shaft is connected with a knob.

The utility model has the beneficial effects compared with the background technology:

The utility model adopts the above-mentioned scheme, and a circular polarizing frame is arranged on the sheet-shaped support, and the circular polarizing mirror is placed on the circular polarizing frame, and the sheet-shaped support is plugged on the filter frame, so that the photographer can It is very convenient to take and disassemble the polarizer, and it is not easy for fingers to pollute the lens and has a certain anti-drop protection effect on the lens. It has simple structure, compact fit, convenient use, reasonable design, and elegant appearance; therefore, it is a product with superior performance in terms of technology and economy.

【Description of drawings】

Fig. 1 is the schematic diagram of the structure of the plug-in circular polarizer bracket in the preferred embodiment provided by the utility model;

Fig. 2 is the enlarged schematic diagram of A-A in Fig. 1;

Fig. 3 is the schematic diagram of the circular polarized mirror frame in the preferred embodiment provided by the utility model;

Figure 4 is a schematic diagram of a card-type circular polarizer bracket in a preferred embodiment provided by the present invention;

Fig. 5 is the enlarged schematic view of B-B in Fig. 4;

Fig. 6 is a schematic diagram of an exploded structure of a plug-in circular polarizer bracket in a preferred embodiment of the present invention.

【Detailed ways】

Embodiments of the present invention will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions.

In this utility model, unless otherwise clearly specified and limited, if there are terms "assembled", "connected", and "connected", the terms should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can also be mechanical connection; it can be connected directly or through an intermediary, and it can be that two components are internally connected. Those of ordinary skill in the art can understand the specific meanings of the above-mentioned terms in the present utility model according to specific situations.

In the following, the specific implementation of the utility model will be further described in combination with the accompanying drawings of the specification, so that the technical solution and beneficial effects of the utility model will be clearer and more definite. The embodiments described below by referring to the figures are exemplary and intended to explain the present utility model, but should not be construed as limiting the present utility model.

The preferred embodiment provided by the utility model: as shown in Figures 1 to 6, a card-type circular polarizer bracket includes a sheet bracket 10, a stopper 20, a filter bracket bottom plate 30, a slot 50, Gear shaft 60, knob 70 and circular polarizing frame 100.

The sheet support 10 is provided with a guide rail 11, an avoidance groove 12, a buckle groove 13 and a step 14, and the circular polarizing frame 100 is provided with a driven tooth 101, a buckle 102 and a rib 103. The polarizer 140 can be installed and fixed in the buckle 102 and the rib 103 of the circular polarizing frame 100, and the circular polarizing frame 100 is placed in the step 14 of the sheet support 10, in order to prevent the circular polarizing frame 100 from the sheet support The step 14 of 10 falls out, and the sheet support 10 is provided with a stopper 20, and several buckles 22 are provided on the stopper 20. The gear shaft 60 is installed in the shaft hole 31 on the filter holder base plate 30 , and one end of the gear shaft 60 is provided with a mounting hole 61 so that the knob 70 can be fixed on one end of the gear shaft through the screw hole 71 and the screw 80 . The slot 50 is fixed on the bottom 30 of the filter holder by screws 130. When the sheet support 10 is inserted into the slot, the knob 70 is pulled to make the teeth on the gear shaft 60 mesh with the driven teeth 101 on the circular polarizing frame 100, The rotation angle of the circular polarizer 140 can be adjusted by twisting the knob 70. In order not to affect the axial movement of the gear shaft 60, a horizontal avoidance groove 12 and an avoidance groove 21 are respectively provided on the sheet support 10 and the stopper 20. . In order to fix the position of the axial movement of the gear shaft 60 , a positioning groove 62 is provided on the gear shaft 60 and a screw hole 32 and a pin screw 90 are provided on the bottom plate of the filter holder. In order to prevent the sheet support 10 from falling after being inserted into the slot, several elastic sheets 120 are provided on the slot 50. For the convenience of mold manufacturing, the elastic sheets 120 can be embedded; the elastic sheets 120 can be integrally formed with the slot , can also be embedded.

In the description of the specification, descriptions referring to terms such as "one embodiment", "preferably", "example", "specific examples" or "some examples" mean specific features, structures, Materials or features are included in at least one embodiment or example of the present invention, and schematic representations of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Through the description of the above structure and principle, those skilled in the art should understand that the utility model is not limited to the above-mentioned specific implementation, and the improvement and replacement of the technology known in the art on the basis of the utility model all fall within the scope of the utility model. The scope of protection of the novelty should be defined by the claims.

Claims (8)

1. A card-type circular polarizer support, characterized in that: it comprises a filter support base plate, a sheet support inserted in the filter support; A channel is provided on the side of the sheet-shaped support, and a driven gear is provided in the channel; The filter holder has a slot, and a gear shaft is arranged in the slot; the sheet support is inserted into the slot, and the driven gear of the sheet support is engaged with the gear shaft in the slot. 2 . The card-type circular polarizer holder according to claim 1 , wherein the sheet-shaped holder is provided with a circular polarizer frame, and the circular polarizer is placed on the circular polarizer frame. 3 . 3. The card-type circular polarizer holder according to claim 2, wherein the frame of the circular polarizer is provided with a rib for fixing the circular polarizer and several buckles. 4. The card-type circular polarizer holder according to claim 2, characterized in that: the sheet-shaped holder is provided with steps for placing the circular polarizer frame and a stopper to prevent the circular polarizer frame from falling out. 5 . The card-type circular polarizer holder according to claim 1 , wherein the slot is provided with a shrapnel. 6 . 6 . The plug-in type circular polarizer holder according to claim 4 , wherein the stopper is fixed on the sheet-shaped holder by buckles. 7 . 7. The card-type circular polarizer support according to claim 4, wherein the stopper is fixed on the sheet support by welding or screws. 8. The card-type circular polarizer holder according to claim 1, wherein a knob is connected to the gear shaft.