CN205647724U - Camera lens adapter and back of body locking -type camera lens fixing device thereof - Google Patents
Camera lens adapter and back of body locking -type camera lens fixing device thereof Download PDFInfo
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- CN205647724U CN205647724U CN201620467084.4U CN201620467084U CN205647724U CN 205647724 U CN205647724 U CN 205647724U CN 201620467084 U CN201620467084 U CN 201620467084U CN 205647724 U CN205647724 U CN 205647724U
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- sun
- stack shell
- lens
- camera lens
- claw
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Abstract
The utility model provides a camera lens adapter and back of body locking -type camera lens fixing device thereof, camera lens fixing device includes connecting seat (3), offers accommodation hole (31) that are used for containing barrel body (1) link in the axial of this connecting seat (3), camera lens fixing device is still including installing the spacing portion (4) on connecting seat (3), should spacing portion (4) establishes in the outside rotation portion (41) of connecting seat (3) and continuous and pass connecting seat (3) lateral wall with the positive claw (42) of the three second in stretching into accommodation hole (31) with rotation portion (41) respectively including cover rotationally. The utility model discloses a camera lens adapter and camera lens fixing device design benefit, the practicality is strong.
Description
Technical field
This utility model relates to camera field, particularly relates to a kind of lens adaptor and lockback formula camera lens is fixed
Device.
Background technology
The lens adaptor being currently used for being installed to EF camera lens E model camera generally uses bayonet socket to fix
EF camera lens.Due to the needs of shooting, lens adaptor can be used for fixing the camera lens of the multiple kind of Multiple Type,
This can increase the frequency of bayonet coupling/loosen.And along with the use frequency of bayonet socket increases, bayonet socket can constantly grind
Damage.When after bayonet socket abrasion for many years, can produce space between camera lens and lens adaptor, this can affect shooting effect
Really.
Utility model content
This utility model uses bayonet socket to fix camera lens for existing lens adaptor；And making along with bayonet socket
Increase by frequency, the problem that bayonet socket can constantly wear and tear, it is proposed that a kind of lens adaptor and lockback formula camera lens thereof
Fixing device.
The technical scheme that the utility model proposes is as follows:
The utility model proposes a kind of lens fixing apparatus, for fixed lens, camera lens include stack shell and
Being separately positioned on three the first sun claws that stack shell connects on end lateral wall, lens fixing apparatus includes connecting
Seat, the axial direction of this connection seat offers the receiving hole connecting end for accommodating stack shell；Lens fixing apparatus is also
Including being arranged on the limiting section connected on seat, this limiting section includes being rotatably sleeved on turning outside connection seat
Dynamic portion and be connected with rotation section respectively and pass that to be connected seat sidewall positive with stretch in receiving hole three second
Claw；When stack shell connection end is contained in receiving hole, three second sun claws are for rotation section rotation
Rotate and respectively three first sun claws are locked in receiving hole.
In the lens fixing apparatus that this utility model is above-mentioned, stack shell offers spacing hole, lens fixing apparatus
Also include being arranged on connect seat top, for when stack shell connect embed when end is contained in receiving hole spacing
Limited post in hole.
In the lens fixing apparatus that this utility model is above-mentioned, three first sun claw compartment of terrains are divided equally and are set circumferentially
Put and connect on end at stack shell；In the form of a ring, three second sun claw also compartment of terrains are divided equally and are arranged circumferentially in rotation section
On the inwall of rotation section.
In the lens fixing apparatus that this utility model is above-mentioned, stack shell connects circumference on the lateral wall of end and offers appearance
Receive groove, thus form the first defining flange in the side of the holding tank of stack shell, on this first defining flange respectively
Offer three breach connected with holding tank, so that the first defining flange forms described three first sun pawls
Portion.
In the lens fixing apparatus that this utility model is above-mentioned, connect and be formed on the inwall of seat for the first sun
Ring-type second defining flange that claw is spacing；When slipping in holding tank when the second sun claw, the first sun claw
Penetrate in the second defining flange.
In the lens fixing apparatus that this utility model is above-mentioned, including lens fixing apparatus described above.
Lens adaptor of the present utility model and lens fixing apparatus thereof are by using three second sun claws
Rotate spacing locked in receiving hole for three second sun claws, it is to avoid the use of bayonet socket, extend mirror
The service life of head adapter.Lens adaptor of the present utility model and lens fixing apparatus design thereof are ingenious,
Practical.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 shows the schematic diagram of the lens adaptor of this utility model first embodiment；
Fig. 2 is the Connection Step schematic diagram of camera lens and the lens adaptor shown in Fig. 1；
Fig. 3 shows the schematic diagram of the lens adaptor of this utility model the second embodiment；
Fig. 4 is the Connection Step schematic diagram of camera lens and the lens adaptor shown in Fig. 3.
Detailed description of the invention
The technical problems to be solved in the utility model is: existing lens adaptor uses bayonet socket to fix mirror
Head；And along with the use frequency of bayonet socket increases, bayonet socket can constantly wear and tear.After bayonet socket weares and teares for many years, camera lens
And space between lens adaptor, can be produced, this can affect shooting effect.The solution that the utility model proposes should
The technical thought of technical problem is: at a kind of lockback formula lens fixing apparatus of lens adaptor structure, make camera lens
After engaging with lens adaptor, by the rotation of camera lens, can be locked by lens fixing apparatus.This technology
Thinking avoids use bayonet socket and fixes camera lens, extends the service life of lens adaptor.
In order to make technical purpose of the present utility model, technical scheme and technique effect apparent, in order to
Skilled artisan understands that and implement this utility model, below in conjunction with the accompanying drawings and the specific embodiments to this reality
It is further described in detail with novel.
First embodiment
As depicted in figs. 1 and 2, Fig. 1 shows the showing of lens adaptor of this utility model first embodiment
It is intended to；Fig. 2 is the Connection Step schematic diagram of camera lens and the lens adaptor shown in Fig. 1.
As in figure 2 it is shown, camera lens includes stack shell 1 and is separately positioned on stack shell 1 and connects three on end lateral wall
Individual first sun claw 2；Here, stack shell 1 connects end and refers to being connected with lens adaptor of stack shell 1
One end.As depicted in figs. 1 and 2, lens adaptor includes lens fixing apparatus, this lens fixing apparatus bag
Include connection seat 3, the axial direction of this connection seat 3 offers the receiving hole 31 connecting end for accommodating stack shell 1；
Lens fixing apparatus also includes being arranged on the limiting section 4 connected on seat 3, and this limiting section 4 includes rotationally
It is set in and connects rotation section 41 outside seat 3 and be connected with rotation section 41 respectively and pass and be connected seat 3
Sidewall is to stretch into three second sun claws 42 in receiving hole 31；It is contained in receiving hole when stack shell 1 connects end
Time in 31, three second sun claws 42 rotate and respectively by three first for rotating with rotation section 41
Sun claw 2 is locked in receiving hole 31.This technical scheme is by limiting section 4 just by camera lens in its axial direction
Translation freedoms limits dead.
Spacing hole (not shown) is offered, as it is shown in figure 1, lens fixing apparatus also wraps on stack shell 1
Include the limited post 32 being arranged on the top connecting seat 3；This limited post 32 is for holding when stack shell 1 connects end
Embed in spacing hole when being contained in receiving hole 31, thus by camera lens relative to the rotational freedom connecting seat 3
Limit dead.When being contained in receiving hole 31 when the connection end of camera lens stack shell 1, along with camera lens axially
On translation freedoms and camera lens be locked relative to the rotational freedom connecting seat 3, camera lens and camera lens are fitted
Orchestration is just completely fixed together.
Specifically, in the present embodiment, as illustrated in fig. 1 and 2, three first sun claw 2 compartment of terrains are divided equally
Being circumferentially disposed at stack shell 1 and connect on end, in the form of a ring, three second sun claws 42 are also spaced in rotation section 41
Horizon divides on the inwall being circumferentially disposed at rotation section 41.Receiving hole 31 is penetrated stack shell 1 is connected end
Time middle, three first sun claws 2 can be each passed through the gap between three second sun claws 42, so that
Three second sun claws 42 lay respectively between three first sun claws 2 and stack shell 1 main body.
Further, in the present embodiment, as in figure 2 it is shown, stack shell 1 connects circumference on the lateral wall of end opens
Being provided with holding tank 11, thus form the first defining flange in the side of the holding tank 11 of stack shell 1, this is first years old
Three breach connected with holding tank 11 are offered respectively on defining flange, so that the first defining flange shape
Become described three first sun claws 2.Penetrating in receiving hole 31 when stack shell 1 connects end, making three first
When sun claw 2 is each passed through the gap between three second sun claws 42, three second sun claws 42 are the most all
Slide in holding tank 11.The groove width of holding tank 11 is the thickness of positive claw 42 slightly larger than second, so that
The sidewall relative with the first sun claw 2 of holding tank 11 can give the second sun claw 42 with support, Jin Erfang
Only the second sun claw 42 suffers shear action because camera lens is accidentally hit, and the situation of fracture occurs.
Further, in the present embodiment, as in figure 2 it is shown, connect seat 3 inwall on be also formed with for
Ring-type second defining flange 33 spacing to the first sun claw 2, the inner diameter of this second defining flange 33
Diameter slightly larger than the first sun claw 2.When slipping in holding tank 11 when the second sun claw 42, the first sun
Claw 2 penetrates in the second defining flange 33.So, the first sun claw 2 is just by the second defining flange 33
Limit.
Second embodiment
Second embodiment is with the difference of first embodiment, and camera lens stack shell 1 connects the shape of end.
As shown in Figure 3 and Figure 4, Fig. 3 shows the showing of lens adaptor of this utility model the second embodiment
It is intended to；Fig. 4 is the Connection Step schematic diagram of camera lens and the lens adaptor shown in Fig. 3.
As shown in Figure 4, camera lens includes stack shell 1 and is separately positioned on stack shell 1 and connects three on end lateral wall
Individual first sun claw 2；Here, stack shell 1 connects end and refers to being connected with lens adaptor of stack shell 1
One end.As shown in Figure 3 and Figure 4, lens adaptor includes lens fixing apparatus, this lens fixing apparatus bag
Include connection seat 3, the axial direction of this connection seat 3 offers the receiving hole 31 connecting end for accommodating stack shell 1；
Lens fixing apparatus also includes being arranged on the limiting section 4 connected on seat 3, and this limiting section 4 includes rotationally
It is set in and connects rotation section 41 outside seat 3 and be connected with rotation section 41 respectively and pass and be connected seat 3
Sidewall is to stretch into three second sun claws 42 in receiving hole 31；It is contained in receiving hole when stack shell 1 connects end
Time in 31, three second sun claws 42 rotate and respectively by three first for rotating with rotation section 41
Sun claw 2 is locked in receiving hole 31.This technical scheme is by limiting section 4 just by camera lens in its axial direction
Translation freedoms limits dead.Preferably, in the present embodiment, lens fixing apparatus also includes being arranged on connection
On seat 3, for limiting limiting section 4 relative to connecting the limiting unit that seat 3 rotates.
Spacing hole (not shown) is offered, as it is shown on figure 3, lens fixing apparatus also wraps on stack shell 1
Include the limited post 32 being arranged on the top connecting seat 3；This limited post 32 is for holding when stack shell 1 connects end
Embed in spacing hole when being contained in receiving hole 31, thus by camera lens relative to the rotational freedom connecting seat 3
Limit dead.When being contained in receiving hole 31 when the connection end of camera lens stack shell 1, along with camera lens axially
On translation freedoms and camera lens be locked relative to the rotational freedom connecting seat 3, camera lens and camera lens are fitted
Orchestration is just completely fixed together.
Specifically, in the present embodiment, as shown in Figures 3 and 4, three first sun claw 2 compartment of terrains are divided equally
Being circumferentially disposed at stack shell 1 and connect on end, in the form of a ring, three second sun claws 42 are also spaced in rotation section 41
Horizon divides on the inwall being circumferentially disposed at rotation section 41.Receiving hole 31 is penetrated stack shell 1 is connected end
Time middle, three first sun claws 2 can be each passed through the gap between three second sun claws 42, so that
Three second sun claws 42 lay respectively between three first sun claws 2 and stack shell 1 main body.
Further, in the present embodiment, as shown in Figure 4, three first sun claws 2 protrude formation respectively
Connecting on the lateral wall of end in stack shell 1, this technical characteristic is different from first embodiment.Therefore, this is used
The technical scheme of embodiment, needs to prevent camera lens from accidental impact.
Further, in the present embodiment, as shown in Figure 4, connect seat 3 inwall on be also formed with for
Ring-type second defining flange 33 spacing to the first sun claw 2, the inner diameter of this second defining flange 33
Slightly larger than the diameter of the first sun claw 2, so, the second defining flange 33 just can be used at the first sun claw
First sun claw 2 is carried out spacing when being located in the second defining flange 33 by 2.
This utility model also proposed a kind of lens adaptor including above-mentioned lens fixing apparatus.
Lens adaptor of the present utility model and lens fixing apparatus thereof are by using three second sun claws
Rotate spacing locked in receiving hole for three second sun claws, it is to avoid the use of bayonet socket, extend mirror
The service life of head adapter.Lens adaptor of the present utility model and lens fixing apparatus design thereof are ingenious,
Practical.
It should be appreciated that for those of ordinary skills, can be improved according to the above description
Or conversion, and all these modifications and variations all should belong to the protection model of this utility model claims
Enclose.
Claims (6)
1. a lens fixing apparatus, for fixed lens, camera lens includes stack shell (1) and sets respectively
Put and connect three first sun claw (2) on end lateral wall at stack shell (1), it is characterised in that camera lens is solid
Determine device to include connecting seat (3), the axial direction of this connection seat (3) offers for accommodating stack shell (1)
Connect the receiving hole (31) of end；Lens fixing apparatus also includes being arranged on the limiting section connected on seat (3)
(4), this limiting section (4) includes being rotatably sleeved on the rotation section (41) connecting seat (3) outside
And be connected with rotation section (41) respectively and through being connected seat (3) sidewall to stretch in receiving hole (31)
Three second sun claws (42)；When stack shell (1) connection end is contained in receiving hole (31), three
Individual second sun claw (42) is for rotating and respectively by three first sun pawls with rotation section (41) rotation
Portion (2) is locked in receiving hole (31).
Lens fixing apparatus the most according to claim 1, it is characterised in that stack shell is opened on (1)
Being provided with spacing hole, lens fixing apparatus also includes being arranged on the top of connection seat (3), for working as stack shell
1 connects the limited post (32) when end is contained in receiving hole (31) in embedding spacing hole.
Lens fixing apparatus the most according to claim 1 and 2, it is characterised in that three first sun
Claw (2) compartment of terrain is divided equally and is circumferentially disposed at stack shell (1) and connects on end；Rotation section (41) is in ring
Shape, three second sun claw (42) also compartment of terrains divide the inwall being circumferentially disposed at rotation section (41) equally
On.
Lens fixing apparatus the most according to claim 1 and 2, it is characterised in that stack shell (1)
Connect circumference on the lateral wall of end and offer holding tank (11), thus at the holding tank (11) of stack shell (1)
Side form the first defining flange, this first defining flange offers respectively with holding tank (11) even
Three logical breach, so that the first defining flange forms described three first sun claw (2).
Lens fixing apparatus the most according to claim 4, it is characterised in that connect seat (3)
It is formed on inwall for ring-type second defining flange (33) spacing to the first sun claw (2)；Working as
When second sun claw (42) slips in holding tank (11), the first sun claw (2) penetrates the second limit convex
In edge (33).
6. a lens adaptor, it is characterised in that include as described in claim 1-5 any one
Lens fixing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620467084.4U CN205647724U (en) | 2016-05-19 | 2016-05-19 | Camera lens adapter and back of body locking -type camera lens fixing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620467084.4U CN205647724U (en) | 2016-05-19 | 2016-05-19 | Camera lens adapter and back of body locking -type camera lens fixing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205647724U true CN205647724U (en) | 2016-10-12 |
Family
ID=57055020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620467084.4U Active CN205647724U (en) | 2016-05-19 | 2016-05-19 | Camera lens adapter and back of body locking -type camera lens fixing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205647724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110023829A (en) * | 2016-11-11 | 2019-07-16 | Jos.施奈德光学工厂有限责任公司 | Adapter for pivoting camera lens |
-
2016
- 2016-05-19 CN CN201620467084.4U patent/CN205647724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110023829A (en) * | 2016-11-11 | 2019-07-16 | Jos.施奈德光学工厂有限责任公司 | Adapter for pivoting camera lens |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |