CN212321948U

CN212321948U - Anti-vibration lens

Info

Publication number: CN212321948U
Application number: CN202021397750.4U
Authority: CN
Inventors: 苏炳坤; 曹来书; 李雪慧
Original assignee: Xiamen Leading Optics Co Ltd
Current assignee: Xiamen Leading Optics Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-01-08
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses an anti-vibration lens, comprising a main barrel and a mirror frame, the main barrel is sleeved outside the mirror frame, the main barrel is provided with a radial threaded hole, a first fastening nail is screwed into the radial threaded hole on the main barrel, and the mirror frame It includes a front mirror frame, a middle mirror frame and a rear mirror frame. The front mirror frame is fixedly connected to the front end of the inner hole of the middle mirror frame, the rear mirror frame is screwed to the rear end of the inner hole of the middle mirror frame through threads, and the first fastening nail is locked on the middle mirror frame. The utility model is provided with fastening nails on the main barrel of the lens, and the fastening pins are directly locked on the middle mirror frame, so that the middle mirror frame and the main barrel are stably connected and have good anti-vibration effect.

Description

Anti-vibration lens

Technical Field

The utility model relates to a camera lens field especially relates to a camera lens of antidetonation.

Background

With the development of technology and economy, cameras are widely applied and even used in high-vibration environments, such as vehicle-mounted shooting. The lens is one of the key components of the camera, and therefore, is also required to have good shock resistance.

The focusing mechanism of the existing ITS intelligent transportation lens generally adopts thread fit transmission, a main barrel and a lens frame are connected through a tooth socket, a gap is inevitably formed between the threads in a fit manner, and the lens is easy to be out of focus due to displacement in a high-vibration environment.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a lens module, and more particularly, to a lens module with a vibration-proof function.

The utility model discloses a realize through following technical scheme:

the utility model provides a camera lens that anti-shock moved, includes a main section of thick bamboo and picture frame, and main section of thick bamboo cover is equipped with radial screw hole outside the picture frame on the main section of thick bamboo, has revolved first binding nail in the radial screw hole on the main section of thick bamboo, and the picture frame includes preceding picture frame, well picture frame and back picture frame, and preceding picture frame rigid coupling is at well picture frame hole front end, and the back picture frame connects soon at well picture frame hole rear end through the screw thread, and first binding nail lock is paid on well picture frame.

Furthermore, three radial threaded holes are uniformly distributed in the main cylinder along the circumference, a first fastening nail is arranged in each radial threaded hole, and the three first fastening nails are locked on the middle mirror frame.

Further, the novel glasses frame further comprises a tooth socket, wherein threads are arranged on the inner circumferential surface and the outer circumferential surface of the tooth socket, and the tooth socket is screwed outside the middle glass frame through the threads and is in threaded connection with the front end of an inner hole of the main cylinder.

Furthermore, the exposed main section of thick bamboo of facing front end is outer and the rigid coupling has preceding adjustable ring, installs preceding lens group in the preceding picture frame, installs back lens group in the back picture frame, and the facing is rotated when rotating preceding adjustable ring, and through the lead difference of the internal and external screw thread of facing, preceding picture frame and back picture frame produce relative movement and realize the focusing.

Furthermore, the front end of the main cylinder is inserted into an inner hole of the front adjusting ring, the front end of the main cylinder is provided with a limiting groove, a limiting nail is arranged on the front adjusting ring, and the inner end of the limiting nail is inserted into the limiting groove at the front end of the main cylinder to limit the rotation angle of the front adjusting ring.

Furthermore, a diaphragm is installed in the middle mirror frame and is an adjustable diaphragm, and the diaphragm is adjusted through a diaphragm adjusting ring sleeved outside the main cylinder.

Furthermore, a shaft shoulder is arranged on the main cylinder, a decoration ring is fixed on the outer portion of the main cylinder, the diaphragm adjusting ring is located between the shaft shoulder and the decoration ring, and the shaft shoulder and the decoration ring limit the movement of the diaphragm adjusting ring along the axial direction.

Furthermore, a radial threaded hole is formed in the diaphragm adjusting ring, a second fastening nail is screwed in the radial threaded hole in the diaphragm adjusting ring, and the second fastening nail is locked on the main cylinder.

Furthermore, a guide nail is arranged on the middle mirror frame, a guide groove along the axial direction is arranged on the main cylinder, one end of the guide nail is locked on the middle mirror frame, and the other end of the guide nail is arranged in the guide groove.

Furthermore, the rear end of the rear mirror frame is sleeved with a connecting seat used for being connected with camera equipment, the connecting seat is fixedly connected with the main cylinder, and the connecting seat is provided with external threads.

Compared with the prior art, the utility model discloses be equipped with the binding nail on the camera lens main section of thick bamboo, the direct lock of binding nail is paid at the center mirror frame, makes the center mirror frame firmly be connected with the main section of thick bamboo, has good anti-vibration effect.

Drawings

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

FIG. 2 is a cross-sectional view of the frame;

FIG. 3 is a front view of the rotating ring;

FIG. 4 is a front view of a diaphragm;

FIG. 5 is a schematic view of the installation of a single diaphragm;

FIG. 6 is a schematic diagram of a maximum clear aperture;

FIG. 7 is a schematic view of a minimum clear aperture;

FIG. 8 is a perspective view of the main cartridge;

FIG. 9 is a perspective view of the center frame;

fig. 10 is a perspective view of the middle frame.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The utility model discloses a camera lens that anti-vibration moved, figure 1 shows the example of ITS intelligent transportation camera lens, including main section of thick bamboo 2, facing 3, preceding picture frame 1, well picture frame 4 and back picture frame 5, 1 rigid coupling of preceding picture frame is at 4 hole front ends of well picture frame, back picture frame 5 connects 4 hole rear ends of well picture frame soon through the screw thread, the main section of thick bamboo 2 cover is outside at well picture frame 4, the internal and external global of facing 3 is equipped with the screw thread, facing 3 connects soon in well picture frame 4 outside and with 2 hole front ends spiro union of main section of thick bamboo through the screw thread, be equipped with radial screw hole on the main section of thick bamboo 2, revolve in the radial screw hole on the main section of thick bamboo 2 and have first anchorage 6, first anchorage 6 lock is paid on well picture frame 4.

Preferably, three radial threaded holes are uniformly distributed in the main cylinder 2 along the circumference, a first fastening nail 6 is arranged in each radial threaded hole, and the three first fastening nails 6 are directly locked on the middle lens frame 4, so that the shock-proof effect is good. The number of first fastening pins 6 can be increased or decreased.

The outside of the rear end of the front mirror frame 1 is provided with external threads, the front mirror frame 1 is screwed on the middle mirror frame 4 through the threads, the front mirror frame 1 is provided with a conical nail 9, and the conical nail 9 is locked on the middle mirror frame 4. The middle lens frame 4 is provided with a guide nail 7, as shown in fig. 1 and 8, the main cylinder 2 is provided with a guide groove 15 along the axial direction, one end of the guide nail 7 is locked on the middle lens frame 4, and the other end is arranged in the guide groove 15.

The front end of the tooth socket 3 is exposed out of the main cylinder 2 and fixedly connected with a front adjusting ring 8, and specifically, the front adjusting ring 8 is locked on the tooth socket 3 through three evenly distributed conical nails 9. Install preceding lens group in preceding picture frame 1, install back lens group in the back picture frame 5, facing 3 is rotated when rotating preceding adjustable ring 8, and through facing 3 internal and external screw thread's helical pitch difference, preceding picture frame 1 and back picture frame 5 produce relative movement and realize the focusing.

As shown in fig. 1 and 8, the front end of the main cylinder 2 is inserted into the inner hole of the front adjusting ring 8, the front end of the main cylinder 2 is provided with a limiting groove 10, the front adjusting ring 8 is provided with a limiting nail 11, and the inner end of the limiting nail 11 is inserted into the limiting groove 10 at the front end of the main cylinder 2 to limit the rotation angle of the front adjusting ring 8.

The middle lens frame 4 is internally provided with a diaphragm which is an adjustable diaphragm and is adjusted by a diaphragm adjusting ring 13 sleeved outside the main barrel 2. As shown in fig. 2 to 7 and 10, an annular seat, 13 diaphragm sheets 16, a movable ring 17 and a snap ring 18 are arranged in an inner hole of the middle lens frame 4, 13 uniformly distributed counter bores 19 are arranged on the annular seat, uniformly distributed straight grooves are arranged on the movable ring 17, one end of each diaphragm sheet 16 is hinged to one counter bore 19 through a rivet, the other end of each diaphragm sheet is connected to one straight groove on the movable ring 17 through a rivet, the snap ring 18 clamps the movable ring 17 in the middle lens frame, the diaphragm adjusting ring 13 and the movable ring 17 are connected through a diaphragm driving nail 20, and the diaphragm adjusting ring 13 drives the movable ring 17 to rotate.

As shown in figure 1, a shaft shoulder is arranged on the main cylinder 2, a decoration ring 12 is fixed on the outer part of the main cylinder 2, the diaphragm adjusting ring 13 is positioned between the shaft shoulder and the decoration ring 12, and the shaft shoulder and the decoration ring 12 limit the movement of the diaphragm adjusting ring 13 along the axial direction. Three radial threaded holes are formed in the diaphragm adjusting ring 13, a second fastening nail 21 is screwed in each radial threaded hole in the diaphragm adjusting ring 13, and the three second fastening nails 21 are locked on the main cylinder 2. The rear end of the rear mirror frame 5 is sleeved with a connecting seat 14, the connecting seat 14 is fixedly connected with the main cylinder 2 through screws, and the connecting seat 14 is provided with external threads so as to be conveniently connected with camera equipment.

The utility model discloses a use as follows:

1. the lens is screwed to the camera device through the connecting holder 14.

2. If need remove the picture frame and focus, rotate preceding adjustable ring 8, preceding adjustable ring 8 is paid on facing 3 through the awl nail 9 lock of three equipartition, rotate facing 3 simultaneously when rotating preceding adjustable ring 8, the rotation of picture frame is realized to the lead difference of the internal and external screw thread through facing 3, and the rear portion position of picture frame is assembled has guide pin 7, there are two guide pin 7 on every guide way 15, guide pin 7 is along axial displacement on the guide way 15 on main section of thick bamboo 2 to realize the camera lens focus (rotate preceding adjustable ring 8 promptly, drive picture frame along axial displacement realization focus). After the position is adjusted in a focusing mode, the first fastening nails 6 are screwed, so that the glasses frame can be fixed, and the front glasses frame 1, the middle glasses frame 4 and the rear glasses frame 5 cannot move relatively.

3. If the clear aperture of the diaphragm needs to be adjusted, the diaphragm adjusting ring 13 is rotated, the diaphragm adjusting ring 13 drives the nail 20 to drive the movable ring 17 to rotate through the diaphragm, and the movable ring 17 drives the 13 diaphragm sheets 16 to move in the rotating process, so that the change of the clear aperture of the diaphragm is realized. Through driving the rotating ring 17 to rotate clockwise, the 13 straight grooves in the rotating ring 17 drive the diaphragm sheets 16 to rotate clockwise, and the clear aperture of the diaphragm gradually becomes smaller. By driving the movable ring 17 to rotate anticlockwise, the 13 straight grooves in the movable ring 17 drive the diaphragm sheets 16 to rotate anticlockwise, and the clear aperture of the diaphragm is gradually increased.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. an anti-vibration lens, it is characterized in that: comprise main barrel and mirror frame, main barrel is sleeved outside mirror frame, main barrel is provided with radial threaded holes, and the radial threaded holes on main barrel are screwed with first fastening nails The mirror frame includes a front mirror frame, a middle mirror frame and a rear mirror frame, the front mirror frame is fixed on the front end of the inner hole of the middle mirror frame, the rear mirror frame is screwed to the rear end of the inner hole of the middle mirror frame by threads, and the first fastening nail is locked on the middle mirror frame.

2. The anti-vibration lens according to claim 1, characterized in that: the main barrel is uniformly distributed with three radial threaded holes along the circumference, and each radial threaded hole is provided with a first fastening nail, three The first fastening nail is locked on the middle mirror frame.

3. The anti-vibration lens according to claim 1, characterized in that: it further comprises a mouthpiece, the inner and outer peripheral surfaces of the mouthpiece are provided with threads, and the mouthpiece is screwed to the outside of the middle mirror frame and is screwed to the front end of the inner hole of the main cylinder by means of the screw thread. .

4. The anti-vibration lens according to claim 3, characterized in that: the front end of the braces is exposed outside the main barrel and is fixedly connected with a front adjusting ring, a front lens group is installed in the front mirror frame, and a rear lens group is installed in the rear mirror frame, When the front adjusting ring is rotated, the mouthpiece is rotated, and through the lead difference between the inner and outer threads of the mouthpiece, the front mirror frame and the rear mirror frame move relative to each other to achieve focus adjustment.

5. The anti-vibration lens according to claim 4, wherein the front end of the main barrel is inserted into the inner hole of the front adjustment ring, and the front end of the main barrel is opened with a limit groove, and the front adjustment ring is provided with a limit pin, the limit The inner end of the nail is inserted into the limiting groove at the front end of the main cylinder to limit the rotation angle of the front adjusting ring.

6 . The anti-vibration lens according to claim 1 , wherein a diaphragm is installed in the middle mirror frame, and the diaphragm is an adjustable diaphragm, which is adjusted by a diaphragm adjusting ring sleeved outside the main barrel. 7 .

7. The anti-vibration lens according to claim 6, characterized in that: the main barrel is provided with a shaft shoulder, a decorative ring is fixed outside the main barrel, the aperture adjustment ring is located between the shaft shoulder and the decorative ring, and the shaft shoulder and The trim ring limits axial movement of the diaphragm adjustment ring.

8 . The anti-vibration lens according to claim 6 , wherein the diaphragm adjusting ring is provided with radial threaded holes, and the radial threaded holes on the diaphragm adjusting ring are screwed with second fastening nails, The nails are locked on the main barrel.

9. The anti-vibration lens according to claim 1, characterized in that: the middle mirror frame is provided with a guide pin, the main barrel is provided with a guide groove along the axial direction, one end of the guide pin is locked on the middle mirror frame, and the other end is locked on the middle mirror frame. in the guide groove.

10 . The anti-vibration lens according to claim 1 , wherein the rear end of the rear mirror frame is sleeved with a connecting seat for connecting with the camera equipment, the connecting seat is fixedly connected with the main cylinder, and the connecting seat is provided with an external thread. 11 .