CN202433657U

CN202433657U - Lens cap

Info

Publication number: CN202433657U
Application number: CN2011205622559U
Authority: CN
Inventors: 张仲仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-29
Filing date: 2011-12-29
Publication date: 2012-09-12
Anticipated expiration: 2021-12-29

Abstract

The utility model relates to a lens cap, which comprises a fixed ring, a pair of connecting rod sets and a transparent sliding sleeve. The fixed ring is detachably mounted on an optical equipment lens, the pair of connecting rod sets is respectively pivoted to the fixed ring, the two connecting rod sets are positioned at two ends of either diameter of the fixed ring, the two connecting rod sets are simultaneously pivoted to a shielding structure, the transparent sliding sleeve is axially arranged on the fixed ring in a sliding manner, the shielding structure is connected onto the sliding sleeve in a parallel and pivoted manner. when the sliding sleeve axially move relative to the fixed ring in a reciprocating manner, the corresponding shielding structure can be driven to move by the aid of the connecting rod units so that the shielding structure oscillate relative to the fixed ring, and purposes that the lens cap is opened to allow light to enter the lens to facilitate shooting, or the lens cap is closed so as to protect the lens are further achieved.

Description

Lens cap

Technical field

The utility model relates to a kind of lens cap, refers to that especially a kind of need the dismounting directly utilize connecting rod to affect to reach the lens cap that opens and closes and have the light shield function concurrently.

Background technology

Well known, camera lens is one of most important member of camera, the quality of the direct photographic work of quality meeting of camera lens, and therefore, general camera all can be established a lens cap at the camera lens front end end cover usually when not using, avoid careless scratch camera lens.

Existing lens cap all is that the mode with buckle combines with camera lens usually, and before using camera, it is pulled down.Because the volume of lens cap is little, therefore, the situation that usually can cause lens cap to lose, considerably inconvenient.So just there is the people that lens cap is connected on the camera lens with a cord again; Thus, in the process of whole shooting, lens cap just can dangle in the place ahead of camera; Make the people who is taken divert one's attention easily, make the cameraman be not easy to catch the most beautiful romantic charm of the person's of being taken moment.

Edge is; This creator is to the structural disappearance of above-mentioned existing lens cap and the inconvenience of using, and in line with spirit of working with perseverance and excelsior purpose, actively constantly studies improvement; And through long-term effort and test, development and Design goes out this creation finally.

The utility model content

The fundamental purpose of the utility model is to solve the above problems and provides a kind of need the dismounting directly to utilize connecting rod to affect to reach the lens cap that opens and closes and have the light shield function concurrently.

For reaching above-mentioned purpose; The utility model consists predominantly of one and is installed on the set collar on the optical equipment camera lens, a pair of connection rod set that is hubbed at respectively on the set collar with removably; This two connection rod set is positioned at the two ends of the arbitrary diameter of set collar, and two connection rod set are hubbed at one simultaneously and cover on the structure; And the empty sliding sleeve that passes through that axially is slidedly arranged on the set collar, this covers structure and is connected with and is articulated on the sliding sleeve.Therefore; Axial reciprocating type when mobile with respect to set collar when sliding sleeve, connection rod set capable of using affects the corresponding structure that covers, and order covers structure and swings back and forth with respect to set collar; And then reach and open lens cap and make light be able to get in the camera lens; In order to shooting, or the sealing lens cap, reach the purpose of protecting len.

Wherein, the periphery of this set collar is formed with two T-slots, and this two T-slot is positioned at the two ends of the arbitrary diameter of set collar; Two grooves are formed at the end face of set collar respectively, and radially interconnect with a corresponding T-slot respectively.

Wherein, this sliding sleeve differs from the inwall of camera lens one end and is installed with two web joints, and this two web joint is positioned at the two ends of the arbitrary diameter of sliding sleeve; The inboard of this two web joint is formed with a groove respectively; The inwall of this sliding sleeve is provided with two groups of slide rails, and wherein, each slide rail is positioned at the below of corresponding web joint; This sliding sleeve is formed with the socket part of contracting in respect to an end of set collar, and this socket part can be equipped in the end of connection rod set, in order to the axial internal clearance of restriction sliding sleeve.

Wherein, this covers structure and includes two cover plates, and the outside of this two cover plate is respectively equipped with a pair of pivot ear, and this is hubbed on the sidewall of corresponding web joint groove the pivot ear, and each is to being formed with a storage tank in the pivot ear.

Wherein, this connection rod set includes the first connecting rod that is slidedly arranged in the corresponding slide rail, and first end of this first connecting rod and second end are formed with a cross bar and a pivot joint block respectively; Wherein, cross bar is equipped in the corresponding T-slot, in order to avoid connection rod set together with cover structure and sliding sleeve comes off on set collar; One is hubbed at the second connecting rod of pivot joint block; This second connecting rod can be divided into first articulated section of public structure and second articulated section of parent structure according to its form; Wherein, this first articulated section plugs in the storage tank that is articulated in cover plate, the then sheathed both sides that are articulated in pivot joint block, this second articulated section.

Wherein, axially be formed with two grooves on this set collar, this two groove lays respectively at the two ends of the arbitrary diameter of set collar; And stretch respectively with respect to the both sides of each groove on the set collar and be provided with one first pivot ear and one second pivot ear; The set collar periphery is formed with a circular-arc flexure strip with respect to each groove in addition.

Wherein, be installed with two web joints on this sliding sleeve inwall, this two web joint lays respectively at the two ends of the same center line of sliding sleeve, and the two ends of each web joint are respectively equipped with a pivot joint block, then is formed with a groove between two pivot joint blocks; Axially be formed with a chute with respect to each web joint center on this sliding sleeve inwall, and the two ends of each chute bottom surface are formed with one first recess and one second recess respectively; Flexure strip on this set collar is slidedly arranged in the corresponding chute, and the end of flexure strip optionally blocking be positioned in first recess or second recess.

Wherein, this covers structure and includes a pair of first inboard cover plate and a pair of second cover plate that is positioned at the outside of being positioned at, and wherein, the two ends in the outside of first cover plate laterally are hubbed at respectively on the inboard two ends of second cover plate; The center of this first cover plate is stretched and is provided with the identical pivot ear of two structures; The two ends in this second cover plate outside are formed with one first pivot connected slot respectively, then are formed with a contiguous block between this two pivot connected slot, and the two ends of contiguous block then are formed with one second pivot connected slot respectively; Two pivot joint blocks of this web joint laterally are hubbed at respectively in corresponding first pivot connected slot.

Wherein, this connection rod set includes one and articulates respectively and be connected with in the first connecting rod of set collar and first cover plate, and two respectively pivot joint be connected with in the second connecting rod of the set collar and second cover plate; First end of this first connecting rod laterally is hubbed at the bottom of corresponding groove on the set collar; And first end of this two second connecting rod respectively side direction be hubbed at the corresponding first pivot ear and the second pivot ear on the set collar, and second end of two second connecting rods laterally is hubbed at respectively in first pivot connected slot and second pivot connected slot of corresponding second cover plate; The pivot joint line of this second cover plate and two second connecting rods, the pivot joint line with respect to itself and web joint is positioned at the inboard relatively.

The beneficial effect of the utility model: when the utility model presented the complete opening state, sliding sleeve slid into the front end of camera lens, therefore when photography, can use as light shield, was not difficult thus to find that the utility model is when closed state, and its function is a lens cap; Present open state and work as the utility model, its function is a light shield.In other words, the utility model utilizes aforesaid architectural feature, the function of lens cap and light shield is incorporated in the device, beyond doubt one have the height of novelty and progressive concurrently creation.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model.

Fig. 2 is the three-dimensional exploded view of the utility model.

Fig. 3 is the cut-open view that the utility model presents closed state.

Fig. 4 is the utility model first action synoptic diagram.

Fig. 5 is the utility model second action synoptic diagram.

Fig. 6 is the cut-open view of the utility model when presenting opening.

Fig. 7 is the stereo appearance figure of the utility model second embodiment.

Fig. 8 is the part three-dimensional exploded view of the utility model second embodiment.

Fig. 9 is the cut-open view that the utility model second embodiment presents closed state.

Figure 10 is the action synoptic diagram of the utility model second embodiment.

Figure 11 is the cut-open view that the utility model second embodiment presents opening.

The main element symbol description

10 camera lenses, 100 camera lenses

20 set collar 21T shape grooves

22 grooves, 30 connection rod set

31 first connecting rods, 311 cross bars

312 pivot joint blocks, 32 second connecting rods

322 second articulated sections, 321 first articulated sections

40 cover structure 41 cover plates

411 pivot ears, 412 storage tanks

50 sliding sleeves, 51 web joints

511 grooves, 52 slide rails

53 socket parts, 60 set collars

61 grooves, 62 first pivot ears

63 second pivot ears, 64 shell fragments

70 connection rod set, 71 first connecting rods

72 second connecting rods 80 cover structure

81 first cover plates, 811 pivot ears

82 second cover plates, 821 first pivot connected slots

822 contiguous blocks, 823 second pivot connected slots

90 sliding sleeves, 901 chutes

902 first recesses, 903 second recesses

91 web joints, 911 pivot joint blocks

912 grooves

Embodiment

Above-mentioned and other purpose and the advantage of the utility model are not difficult from following detailed description and accompanying drawing of selecting embodiment for use, to obtain to understand in depth.

Certainly, the utility model or is allowed differently on some part in the arrangement of part, but the embodiment that is selected for use then in this instructions, specifies, and in accompanying drawing, shows its structure.

The utility model relates to a kind of lens cap that opens and closes function that directly utilizes connecting rod to affect to reach; See also like Fig. 1 to shown in Figure 3; It consists predominantly of one and is installed on the set collar 20 on the optical equipment camera lens 10, a pair of connection rod set 30 that is hubbed at respectively on the set collar 20 with removably; This two connection rod set 30 is positioned at the two ends of set collar 20 arbitrary diameters, and two connection rod set 30 are hubbed at one simultaneously and cover on the structure 40; And the empty sliding sleeve 50 that passes through that axially is slidedly arranged on the set collar 20, this covers structure 40 and is connected with and is articulated on the sliding sleeve 50.Therefore; Axially reciprocating type when mobile with respect to set collar 20 when sliding sleeve 50, connection rod set 30 capable of using affects the corresponding structure 40 that covers, and order covers structure 40 and swings back and forth with respect to set collar 20; And then reach and open lens cap and make light be able to get in the camera lens 10; In order to shooting, or the sealing lens cap, reach the purpose of protecting len.

The periphery of this set collar 20 is formed with two T-slots 21, and this two T-slot 21 is positioned at the two ends of set collar 20 arbitrary diameters.Two grooves 22 are formed at the end face of set collar 20 respectively, and radially interconnect with a corresponding T-slot 21 respectively.

This sliding sleeve 50 differs from the inwall of camera lens 10 1 ends and is installed with two web joints 51, and this two web joint 51 is positioned at the two ends of sliding sleeve 50 arbitrary diameters.The inboard of this two web joint 51 is formed with a groove 511 respectively.The inwall of this sliding sleeve 50 is provided with two groups of slide rails 52 again, and wherein, each slide rail 52 is positioned at the below of corresponding web joint 51.This sliding sleeve 50 is formed with the socket part 53 of contracting in respect to an end of set collar 20, and this socket part 53 can be equipped in the end of connection rod set 30, in order to the axial internal clearance of restriction sliding sleeve 50.

This covers structure 40 and includes two cover plates 41, and the outside of this two cover plate 41 is respectively equipped with a pair of pivot ear 411, and this is hubbed on the sidewall of corresponding web joint 51, groove 511 pivot ear 411, and each is to being formed with a storage tank 412 in the pivot ear 411.

This connection rod set 30 includes the first connecting rod 31 that is slidedly arranged in the corresponding slide rail 52, and first end of this first connecting rod 31 and second end are formed with a cross bar 311 and a pivot joint block 312 respectively.Wherein, cross bar 311 is equipped in the corresponding T-slot 21, in order to avoid connection rod set 30 together with cover structure 40 and sliding sleeve 50 comes off on set collar 20; One is hubbed at the second connecting rod 32 of pivot joint block 312; This second connecting rod 32 can be divided into first articulated section 321 of public structure and second articulated section 322 of parent structure according to its form; Wherein, This first articulated section 321 plugs in the storage tank 412 that is articulated in cover plate 41, the then sheathed both sides that are articulated in pivot joint block 312, this second articulated section 322.

See also like Fig. 1 and shown in Figure 3; When sliding sleeve 50 is surrounded on the periphery of camera lens 10; These two cover plates 41 that cover structure 40 are that mutual level top is supported; And reach the also purpose of len 10 of sealing camera lens 10, and the pivot joint block 312 of each first connecting rod 13 is in the local ccontaining groove 22 that is equipped on the corresponding set collar 20.Please consult simultaneously like Fig. 3 and shown in Figure 4, when sliding sleeve 50 had just begun to front slide, connection rod set 30 can move together with sliding sleeve 50 with masking structure 40 again, and at this moment, lens cap still is in closed state; Please consult simultaneously again like Fig. 2, Fig. 4 and shown in Figure 5; When the cross bar 311 of first connecting rod 31 was equipped in the T-slot 21 of set collar 20, this first connecting rod 31 promptly can't move with respect to set collar 20 again, at this moment; When sliding sleeve 50 continues to move; This first connecting rod 31 can provide a relative pulling force to second connecting rod 32, makes 32 pairs of corresponding cover plates 41 of second connecting rod that a downward pulling force is provided, again because of cover plate 41 be articulated in web joint 51 so; Can make cover plate 41 with its pivot be the center towards camera lens 10 beats, reach the purpose of opening lens cap gradually.Please consult as shown in Figure 6ly again, when the socket part 53 of sliding sleeve 50 was resisted against the end of cross bar 311, lens cap promptly reached the complete opening state, made the user be able to begin the operation of photographing.When the photography operation is accomplished, as long as reverse operating sliding sleeve 50 can make lens cap be returned to closed state once again, and reach the purpose of len 10.

In sum, the utility model except that easy to operate, the design that lens cap and camera lens 10 are combined as a whole; Overcome existing lens cap in the time of really and lose easily and the inconvenient disappearance of use, moreover, when the utility model presents the complete opening state; This sliding sleeve 50 also can use as light shield, exempts the formality of dismounting light shield, the original creation design with lens cap and light shield like this; Really do not see for market, beyond doubt one have novelty, progressive and industry applications concurrently height create.

See also like Fig. 7 to shown in Figure 9; It is second embodiment of the utility model; In this embodiment; This lens cap includes one equally and is installed on the set collar 60 on the optical equipment camera lens 100, a pair of connection rod set 70 that is hubbed at respectively on the set collar 60 with removably, and this two connection rod set 70 is positioned at the two ends of set collar 60 arbitrary diameters, and two connection rod set 70 are hubbed at one simultaneously and cover on the structure 80; And the empty sliding sleeve 90 that passes through that axially is slidedly arranged on the set collar 60, this covers structure 80 and is connected with and is articulated on the sliding sleeve 90.Therefore; Axially reciprocating type when mobile with respect to set collar 60 when sliding sleeve 90, connection rod set 70 capable of using affects the corresponding structure 80 that covers, and order covers structure 80 and swings back and forth with respect to set collar 60; And then reach and open lens cap and make light be able to get in the camera lens 100; In order to shooting, or the sealing lens cap, reach the purpose of protecting len.

Axially be formed with two grooves 61 on this set collar 60, this two groove 61 lays respectively at the two ends of set collar 60 arbitrary diameters.And stretch respectively with respect to the both sides of each groove 61 on the set collar 60 and be provided with one first pivot ear 62 and one second pivot ear 63; Set collar 60 peripheries are formed with a circular-arc flexure strip 64 with respect to each groove 61 place in addition.

Be installed with two web joints 91 on these sliding sleeve 90 inwalls, this two web joint 91 lays respectively at the two ends of sliding sleeve 90 same center lines.Wherein, the two ends of each web joint 91 are respectively equipped with 911 of a pivot joint block 911, two pivot joint blocks and then are formed with a groove 912.Axially be formed with a chute 901 with respect to each web joint 91 center on these sliding sleeve 90 inwalls, and the two ends of each chute 901 bottom surface are formed with one first recess 902 and one second recess 903 respectively.Flexure strip 64 on this set collar 60 is slidedly arranged in the corresponding chute 901, and its end optionally blocking be positioned in first recess 902 or second recess 903.

This covers structure 80 and includes a pair of first inboard cover plate 81 and a pair of second cover plate 82 that is positioned at the outside of being positioned at, and wherein, the two ends in the outside of first cover plate 81 laterally are hubbed at respectively on the two ends of second cover plate, 82 inboards.The center of this first cover plate 81 is stretched and is provided with the identical pivot ear 811 of two structures.The two ends in these second cover plate, 82 outsides are formed with one first pivot connected slot 821 respectively, and 821 of this two pivot connected slots then are formed with a contiguous block 822, and the two ends of contiguous block 822 then are formed with one second pivot connected slot 823 respectively.Two pivot joint blocks 911 of this web joint 91 laterally are hubbed at respectively in corresponding first pivot connected slot 821.

This connection rod set 70 includes one and articulates respectively and be connected with in the first connecting rod 71 of set collar 60 and first cover plate 81, and two respectively pivot joint be connected with in the second connecting rod 72 of the set collar 60 and second cover plate 82.First end of this first connecting rod 71 laterally is hubbed at the bottom of corresponding groove 61 on the set collar 60; And first end of this two second connecting rod 72 respectively side direction be hubbed at the corresponding first pivot ear 62 and the second pivot ear 63 on the set collar 60, and second end of two second connecting rods 72 laterally is hubbed at respectively in first pivot connected slot 821 and second pivot connected slot 823 of corresponding second cover plate 82.The pivot joint line of this second cover plate 82 and two second connecting rods 72, the pivot joint line with respect to itself and web joint 91 is positioned at the inboard relatively.

See also like Fig. 9 to shown in Figure 11; When sliding sleeve 90 is surrounded on camera lens 100 peripheries; This covers the cover plate the 81, the 82nd of structure 80, and the top is supported mutually in regular turn; And reach the also purpose of len 100 of sealing camera lens 100, at this moment, the end of set collar 60 flexure strips 64 is placed in first recess 902 of sliding sleeve 90.When sliding sleeve 90 beginnings are slided with respect to set collar 60 forward; Because first connecting rod 71 is restricted to respectively on the set collar 60 with first end of second connecting rod 72; Therefore; Second end of this first connecting rod 71 and second connecting rod 72 can be respectively to corresponding first cover plate 81 and the relative pulling force of second cover plate, 82 generations, makes first cover plate 81 and second cover plate 82 respectively towards the interior move of sliding sleeve 90, and opens lens cap gradually.At this moment, the end of set collar 60 flexure strips 64 is placed in the chute 901 of sliding sleeve 90.When sliding sleeve 90 continues to move forward, and when the end of set collar 60 flexure strips 64 was placed in second recess 903 of sliding sleeve 90, the utility model promptly reached the complete opening state, made the user be able to begin the operation of photographing.When the photography operation is accomplished, as long as reverse operating sliding sleeve 90 can make lens cap be returned to closed state once again, and reach the purpose of len 100.At this moment, sliding sleeve 90 is positioned at the front end of camera lens 100 fully, therefore when photography, can work as light shield and use, and has significantly improved the surcharge of lens cap.

The announcement of the above embodiment is in order to explanation the utility model, is not in order to restriction the utility model, so the displacement of the change of numerical value or equivalence element must be subordinate to the category of the utility model such as.

By above detailed description, can make and know the clear the utility model of this art and can reach aforementioned purpose really, and in similar processing procedure or product, all not see to have similarly and deliver, the real regulation that has met Patent Law, all in accordance with the law literary compositions propose patented claim.

Claims

1. lens cap; It is characterized in that; Consist predominantly of one and be installed on the set collar on the optical equipment camera lens, a pair of connection rod set that is hubbed at respectively on the set collar with removably, this two connection rod set is positioned at the two ends of the arbitrary diameter of set collar, and two connection rod set are hubbed at one simultaneously and cover on the structure; And the empty sliding sleeve that passes through that axially is slidedly arranged on the set collar, this covers structure and is connected with and is articulated on the sliding sleeve; When sliding sleeve axial reciprocating type when mobile with respect to set collar; Can utilize connection rod set to affect the corresponding structure that covers; Order covers structure and swings back and forth with respect to set collar, and then reaches and open lens cap and make light be able to get in the camera lens, in order to shooting; Or the sealing lens cap, reach the purpose of protecting len.

2. according to the described lens cap of claim 1, it is characterized in that the periphery of this set collar is formed with two T-slots, this two T-slot is positioned at the two ends of the arbitrary diameter of set collar; Two grooves are formed at the end face of set collar respectively, and radially interconnect with a corresponding T-slot respectively.

3. according to claim 1 or 2 described lens caps, it is characterized in that this sliding sleeve differs from the inwall of camera lens one end and is installed with two web joints, this two web joint is positioned at the two ends of the arbitrary diameter of sliding sleeve; The inboard of this two web joint is formed with a groove respectively; The inwall of this sliding sleeve is provided with two groups of slide rails, and wherein, each slide rail is positioned at the below of corresponding web joint; This sliding sleeve is formed with the socket part of contracting in respect to an end of set collar, and this socket part can be equipped in the end of connection rod set, in order to the axial internal clearance of restriction sliding sleeve.

4. according to the described lens cap of claim 3; It is characterized in that this covers structure and includes two cover plates, the outside of this two cover plate is respectively equipped with a pair of pivot ear; This is hubbed on the sidewall of corresponding web joint groove the pivot ear, and each is to being formed with a storage tank in the pivot ear.

5. according to the described lens cap of claim 4, it is characterized in that this connection rod set includes the first connecting rod that is slidedly arranged in the corresponding slide rail, first end of this first connecting rod and second end are formed with a cross bar and a pivot joint block respectively; Wherein, cross bar is equipped in the corresponding T-slot, in order to avoid connection rod set together with cover structure and sliding sleeve comes off on set collar; One is hubbed at the second connecting rod of pivot joint block; This second connecting rod can be divided into first articulated section of public structure and second articulated section of parent structure according to its form; Wherein, this first articulated section plugs in the storage tank that is articulated in cover plate, the then sheathed both sides that are articulated in pivot joint block, this second articulated section.

6. according to the described lens cap of claim 1, it is characterized in that axially be formed with two grooves on this set collar, this two groove lays respectively at the two ends of the arbitrary diameter of set collar; And stretch respectively with respect to the both sides of each groove on the set collar and be provided with one first pivot ear and one second pivot ear; The set collar periphery is formed with a circular-arc flexure strip with respect to each groove in addition.

7. according to the described lens cap of claim 6; It is characterized in that be installed with two web joints on this sliding sleeve inwall, this two web joint lays respectively at the two ends of the same center line of sliding sleeve; The two ends of each web joint are respectively equipped with a pivot joint block, then are formed with a groove between two pivot joint blocks; Axially be formed with a chute with respect to each web joint center on this sliding sleeve inwall, and the two ends of each chute bottom surface are formed with one first recess and one second recess respectively; Flexure strip on this set collar is slidedly arranged in the corresponding chute, and the end of flexure strip optionally blocking be positioned in first recess or second recess.

8. according to the described lens cap of claim 7; It is characterized in that; This covers structure and includes a pair of first inboard cover plate and a pair of second cover plate that is positioned at the outside of being positioned at, and wherein, the two ends in the outside of first cover plate laterally are hubbed at respectively on the inboard two ends of second cover plate; The center of this first cover plate is stretched and is provided with the identical pivot ear of two structures; The two ends in this second cover plate outside are formed with one first pivot connected slot respectively, then are formed with a contiguous block between this two pivot connected slot, and the two ends of contiguous block then are formed with one second pivot connected slot respectively; Two pivot joint blocks of this web joint laterally are hubbed at respectively in corresponding first pivot connected slot.

9. according to the described lens cap of claim 8, it is characterized in that this connection rod set includes one and articulates respectively and be connected with in the first connecting rod of set collar and first cover plate, and two respectively pivot joint be connected with in the second connecting rod of the set collar and second cover plate; First end of this first connecting rod laterally is hubbed at the bottom of corresponding groove on the set collar; And first end of this two second connecting rod respectively side direction be hubbed at the corresponding first pivot ear and the second pivot ear on the set collar, and second end of two second connecting rods laterally is hubbed at respectively in first pivot connected slot and second pivot connected slot of corresponding second cover plate; The pivot joint line of this second cover plate and two second connecting rods, the pivot joint line with respect to itself and web joint is positioned at the inboard relatively.