Lens limiting assembly, camera body and camera

Patent metadata

Field	Value
Publication number	US-10073325-B2
Application number	US-201715497368-A
Country	US
Kind code	B2
Filing date	Apr 26, 2017
Priority date	Oct 27, 2014
Publication date	Sep 11, 2018
Grant date	Sep 11, 2018

Abstract

A camera body comprises a fixing frame having a contact base mounting position and a lens limiting assembly arranged at the contact base mounting position. The lens limiting assembly comprises an elastic element arranged on the contact base mounting position, a lens assembly ring arranged on the elastic element, and a locking ring configured to abut against and press the elastic element when the locking ring rotates in one direction.

First claim

What is claimed is:

1. A camera body comprising:
a fixing frame having a contact base mounting position; and
a lens limiting assembly arranged at the contact base mounting position and comprising:
an elastic element arranged on the contact base mounting position;
a lens assembly ring arranged on the elastic element; and
a locking ring arranged outside the lens assembly ring and configured to abut against and press the elastic element when the locking ring rotates in one direction.

2. The camera body of claim 1 , wherein:
the elastic element includes an annular strip spring comprising an elastic body and an elastic arm, the elastic arm extending from an inner side of the elastic body inward and downward along an axis of the elastic body, and
the locking ring comprises a flange abutting against the elastic arm.

3. The camera body of claim 2 , wherein:
the elastic arm comprises a first end and a second end, a position of the first end in the direction of the axis of the elastic body being higher than a position of the second end in the direction of the axis of the elastic body, and
the flange is accommodated in a gap formed between the elastic arm and the elastic body.

4. The camera body of claim 2 , wherein:
the lens assembly ring comprises an accommodating groove,
the locking ring comprises:
a body; and
a hook protruding inwardly from the body and accommodated in the accommodating grove, the hook comprising:
a connecting part connected to an inner wall of the body; and
a bent part, one end of the bent part being connected to the connecting part, another end of the bent part extending straightly, and the flange being formed at a tail end of the bent part and extending toward the elastic arm.

5. A camera comprising:
a lens including a snapping body provided on an outer side of the lens; and
a camera body comprising:
a fixing frame having a contact base mounting position; and
a lens limiting assembly arranged on the contact base mounting position and comprising:
an elastic element arranged on the contact base mounting position;
a lens assembly ring arranged on the elastic element, the snapping body being configured to be snapped below the elastic element when the lens is assembled in the lens assembly ring; and
a locking ring arranged outside the lens assembly ring and configured to abut against and press the elastic element when the locking ring rotates in one direction, and the elastic element pressing the snapping body to lock the lens.

6. The camera of claim 5 , wherein:
the elastic element includes an annular strip spring comprising an elastic body and an elastic arm, the elastic arm extending from an inner side of the elastic body inward and downward along an axis of the elastic body, and
the locking ring comprises a flange abutting against the elastic arm.

7. The camera of claim 6 , wherein:
the elastic arm comprises a first end and a second end, a position of the first end in the direction of the axis of the elastic body being higher than a position of the second end in the direction of the axis of the elastic body, and
the flange is accommodated in a gap formed between the elastic arm and the elastic body.

8. The camera of claim 6 , wherein:
the lens assembly ring comprises an accommodating groove,
the locking ring comprises:
a body; and
a hook protruding inwardly from the body and accommodated in the accommodating grove, the hook comprising:
a connecting part connected to an inner wall of the body; and
a bent part, one end of the bent part being connected to the connecting part, another end of the bent part extending straightly, and the flange being formed at a tail end of the bent part and extending toward the elastic arm.

9. The camera of claim 8 , wherein the flange includes an inclined surface formed on a side of the flange facing the connecting part, the inclined surface connecting the flange and the bent part.

10. The camera of claim 5 , wherein the lens assembly ring comprises a fitting face arranged on an end face of the lens assembly ring facing the elastic element, the fitting face being inclined in a circumferential direction of the lens assembly ring.

11. The camera of claim 10 , wherein:
the fitting face is a first fitting face,
the lens assembly ring is accommodated in the locking ring, the end face of the lens assembly ring including a receiving groove connected to the fitting face, and
the locking ring comprises a hook extending from an inner side of the locking ring and being received in the receiving groove, the hook including a second fitting face abutting against the first fitting face and arranged at an end of one surface of the hook facing the lens assembly ring, another surface of the hook opposite to the second fitting face including a planar surface abutting against the elastic element.

12. The camera of claim 11 , wherein the hook comprises a connecting part connected to the inner side of the locking ring and a bent part bending and extending from the connecting part, the second fitting face being arranged at an end of a surface of the bent part facing the lens assembly ring, and the planar surface being arranged on another surface of the bent part opposite to the second fitting face.

13. The camera of claim 5 , wherein the lens assembly ring comprises a plurality of limiting parts spaced apart from one another, a mounting part being formed between two adjacent limiting parts, and the snapping body being configured to enter the lens assembly ring via the mounting part to be snapped below one of the limiting parts.

14. The camera of claim 5 , wherein:
the fixing frame includes a locating pin and a plurality of bolts,
the elastic element includes a first locating hole,
the lens assembly ring comprises a first end face and a second end face arranged oppositely, the first end face including a second locating hole, and the second end face including a plurality of bolt holes,
the locating pin passes through the first locating hole and the second locating hole, and
the bolts correspondingly pass through the bolt holes.

15. The camera of claim 14 , wherein:
the elastic element includes a snapping opening,
the lens assembly ring further includes an assembly hole penetrating through the first end face and the second end face, and
the fixing frame further comprises a limiting structure nested and engaged with the snapping opening, the limiting structure comprising a limiting boss passing through the assembly hole to limit a position of the lens.

16. The camera of claim 5 , wherein the fixing frame includes:
a first assembly hole provided inwardly on an outer wall of the fixing frame;
a second assembly hole provided on a side of the fixing frame facing the lens and in communication with the first assembly hole; and
a limiting structure comprising a press key, a first elastic member, a limiting boss, and a second elastic member, the press key and the first elastic member being accommodated in the first assembly hole, and the limiting boss and the second elastic member being accommodated in the second assembly hole.

17. The camera of claim 16 , wherein the press key comprises:
a key body; and
two snapping parts spaced apart from each other and protruding from the key body, each of the snapping parts comprising:
a first connecting arm comprising an inclined surface abutting against the limiting boss; and
a second connecting arm connected with the first connecting arm and comprising a clamping edge extending from the inclined surface in a direction parallel to the key body, t

Assignees

• Sz Dji Technology Co Ltd
• Jcd Guangzhou Optical Corporation Ltd

Inventors

• Yang Feihu
• Zhu Jianguo
• Huang Yanxin

Classifications

• G02B7/021

  for more than one lens · CPC title

• F16M13/02

  for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle · CPC title

• G03B17/12 Primary

  with means for supporting objectives, supplementary lenses, filters, masks, or turrets · CPC title

• G03B17/14 Primary

  interchangeably · CPC title

• G03B2217/002

  Details of arrangement of components in or on camera body · CPC title