CN217718222U

CN217718222U - Lens module and virtual reality equipment

Info

Publication number: CN217718222U
Application number: CN202222144686.4U
Authority: CN
Inventors: 张跃兴; 王瑞
Original assignee: Shenzhen TCL High-Tech Development Co Ltd
Current assignee: Shenzhen TCL High-Tech Development Co Ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-01
Anticipated expiration: 2032-08-15

Abstract

The utility model provides a camera lens module and virtual reality equipment, this camera lens module includes: the lens barrel assembly comprises a lens barrel and a lens fixedly arranged in the lens barrel; the lens holder is arranged in the lens barrel, and one end of the lens holder, which is far away from the lens, is provided with a display module and a focusing ring which is sleeved outside the lens barrel and is in driving connection with the holder assembly; the focusing ring is used for driving the support component to move along the axial direction of the lens barrel so as to change the distance between the display module and the lens. The utility model provides a lens module is through removing the display module assembly in order to change its and the lens between the distance, realizes the regulation of virtual image distance, its stable performance is difficult to produce the deviation.

Description

Lens module and virtual reality equipment

Technical Field

The utility model relates to a virtual reality technical field, concretely relates to camera lens module and virtual reality equipment.

Background

VR (Virtual Reality), also called environment technology, is a new practical technology developed in the 20 th century. The virtual reality technology comprises a computer, electronic information and simulation technology, and the basic realization mode is that the computer simulates a virtual environment so as to provide people with environmental immersion. With the continuous development of social productivity and scientific technology, VR technology is increasingly in great demand in various industries.

The vision of different crowds in the current society is different, and in order to enable the virtual reality equipment to be suitable for various crowds to the maximum extent, the lens of the virtual reality equipment is required to have the function of adjusting the virtual image distance. The lens of current virtual reality equipment generally reaches the purpose that the virtual image distance was adjusted through adjusting lens in the lens, but this kind of mode of moving the lens is very high and the performance is unstable to the lens precision requirement, produces the deviation easily.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a camera lens module and virtual reality equipment aims at solving the problem that the camera lens module takes place the deviation easily when adjusting the virtual image distance among the current virtual reality equipment.

The embodiment of the utility model provides a lens module, include:

the lens barrel assembly comprises a lens barrel and a lens fixedly arranged in the lens barrel;

a bracket component which is arranged in the lens cone, and one end of the bracket component far away from the lens is provided with a display module,

the focusing ring is sleeved outside the lens barrel and is in driving connection with the support assembly;

the focusing ring is used for driving the support component to move along the axial direction of the lens barrel so as to change the distance between the display module and the lens.

Optionally, the bracket assembly includes a screen bracket and a rotating bracket rotatably disposed on the screen bracket, the outer edge of the rotating bracket is provided with a plurality of holes, the side wall of the lens barrel is provided with a plurality of inclined sliding grooves, and a plurality of cam nails penetrate through the sliding grooves respectively and are fixed in the holes.

Optionally, a rotary groove for accommodating the rotary support is formed in the screen support, a boss is arranged at a position, corresponding to the hole, of the inner edge of the rotary support, a plurality of notches are formed in the groove wall of the rotary groove corresponding to the boss, the boss is installed in the rotary groove through the notches, and the boss and the notches are staggered.

Optionally, along the rotation direction of the rotating bracket, the boss and the notch are staggered to form a first included angle, two ends of the sliding groove form a second included angle, and two adjacent notches form a third included angle; and the sum of the first included angle and the second included angle is smaller than the third included angle.

Optionally, a sliding groove is formed in the inner wall of the end, close to the display module, of the lens barrel, the sliding groove is axially arranged along the lens barrel, a protruding rib is arranged at a position, corresponding to the sliding groove, of the screen support, and the protruding rib is contained in the sliding groove.

Optionally, the outer wall of the screen support between the rotary groove and the rib is provided with a first sealing ring.

Optionally, a second sealing ring is disposed between the lens barrel and the focus adjusting ring.

Optionally, the lens module further includes an annular gland fixed at an end of the lens barrel away from the display module.

Optionally, the outer edge of the focusing ring is provided with anti-slip lines.

The embodiment of the utility model provides a virtual reality equipment, include the camera lens module as above.

The utility model provides an among the technical scheme, the camera lens module includes lens cone subassembly, bracket component and focusing ring, and the lens cone subassembly includes lens cone and the fixed lens that sets up in the lens cone, and in the lens cone was located to the bracket component, and the bracket component kept away from lens one end and is provided with the display module assembly, and the focusing ring cover is located outside the lens cone, and drives the link bracket subassembly. Through rotatory focusing ring, the axial displacement of bracket component along the lens cone can be driven to the focusing ring, and then can change the distance between display module assembly and the lens to reach the effect of adjusting the virtual image distance. When the lens module adjusts the virtual image distance, the lens in the lens cone cannot move relative to the lens cone, so that the performance of the lens is stable, and deviation is not easy to occur.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

For a more complete understanding of the present invention and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, wherein like reference numerals represent like parts in the following description.

Fig. 1 is a schematic view of the overall structure of the lens module of the present invention;

fig. 2 is a schematic structural view of the lens module according to the present invention when the bracket assembly moves axially;

fig. 3 is an exploded view of the lens module of the present invention;

fig. 4 is an exploded view of the bracket assembly of the lens module of the present invention;

fig. 5 is an exploded view of the lens barrel assembly of the lens module of the present invention;

fig. 6 is a schematic structural diagram of the lens module according to the present invention.

The reference numbers illustrate:

reference numerals	Name(s)	Reference numerals	Name (R)
				100	Lens module	312	Gap
10	Lens barrel assembly	313	Convex rib
				11	Lens barrel	314	First seal ring
111	Sliding groove	32	Rotating support
				112	Sliding chute	321	Hole(s)
12	Lens	322	Cam nail
				121	First lens	323	Boss
122	Second lens	40	Focusing ring
				20	Display module	41	Second seal ring
30	Support assembly	42	Anti-skid lines
				31	Screen bracket	50	Annular gland
311	Rotary trough

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

An embodiment of the present invention provides a lens module 100, which is described in detail below.

Referring to fig. 1 to 3, in an embodiment of the present invention, a lens module 100 includes:

a lens barrel assembly 10, the lens barrel assembly 10 including a lens barrel 11 and a lens 12 fixedly disposed in the lens barrel 11;

a bracket assembly 30, the bracket assembly 30 is disposed in the lens barrel 11, and a display module 20 is disposed at one end of the bracket assembly 30 away from the lens 12,

the focusing ring 40 is sleeved outside the lens barrel 11, and drives the connecting bracket assembly 30;

the focusing ring 40 is used for driving the bracket assembly 30 to move along the axial direction of the lens barrel 11 so as to change the distance between the display module 20 and the lens 12.

The utility model provides an among the technical scheme, lens module 100 includes lens cone subassembly 10, bracket component 30 and focusing ring 40, and lens cone subassembly 10 includes lens cone 11 and the fixed lens 12 that sets up in lens cone 11, and in lens cone 11 was located to bracket component 30, and bracket component 30 kept away from lens 12 one end and is provided with display module 20, and outside lens cone 11 was located to the focusing ring 40 cover, and drive linking bridge subassembly 30. By rotating the focusing ring 40, the focusing ring 40 can drive the bracket assembly 30 to move along the axial direction of the lens barrel 11, and further the distance between the display module 20 and the lens 12 can be changed, so as to achieve the effect of adjusting the virtual image distance. The lens of the existing virtual reality device generally achieves the purpose of adjusting the virtual image distance by adjusting the lens 12 in the lens, but the lens 12 is moved in such a way that the precision requirement on the lens 12 is very high, the performance is unstable, and deviation is easily generated. The utility model provides a lens module 100 is when adjusting virtual image distance, and the relative lens cone 11 of lens 12 in the lens cone 11 can not remove, and consequently the performance of lens 12 is more stable, is difficult to take place the deviation.

In a specific embodiment of the present invention, the lens 12 includes a first lens 121 and a second lens 122, the first lens 121 and the second lens 122 are fixed at one end of the lens barrel 11, the lens barrel 11 is sleeved on the support assembly 30, the support assembly 30 can move along the axial direction of the lens barrel 11, and the display module 20 is fixed at one end of the support assembly 30 away from the lens 12. It can be understood that the first lens 121 and the second lens 122 cannot move relative to the lens barrel 11, and by rotating the focus ring 40, the focus ring 40 can drive the bracket assembly 30 to move along the axial direction of the lens barrel 11, so as to change the distance between the display module 20 and the lens 12, thereby achieving the effect of adjusting the virtual image distance.

Further, referring to fig. 3 and 4, in the embodiment of the present invention, the bracket assembly 30 includes a screen bracket 31 and a rotating bracket 32 rotatably disposed on the screen bracket 31, a plurality of holes 321 are disposed at even intervals on the outer edge of the rotating bracket 32, a plurality of inclined sliding slots 111 are disposed on the side wall of the lens barrel 11, and a plurality of cam pins 322 respectively pass through the sliding slots 111 and are fixed in the holes 321. It can be understood that the sliding groove 111 is inclined along the axial direction of the lens barrel 11, and when the focusing ring 40 is rotated, the focusing ring 40 drives the cam pin 322 to move in the sliding groove 111, the rotating bracket 32 rotates and generates axial displacement, which in turn drives the screen bracket 31 to move axially, thereby changing the distance between the display module 20 and the lens 12 to achieve the effect of adjusting the virtual image distance.

Specifically, referring to fig. 3 and fig. 4 again, in the embodiment of the present invention, the screen support 31 is provided with a rotation slot 311 for accommodating the rotation support 32, a boss 323 is disposed at a position corresponding to the inner edge of the rotation support 32 and the hole 321, a plurality of notches 312 are disposed on the slot wall of the rotation slot 311 corresponding to the boss 323, the boss 323 is installed in the rotation slot 311 through the notch 312, and the boss 323 is dislocated with the notch 312. It can be understood that the rotating bracket 32 is sleeved on the screen bracket 31 and can rotate on the screen bracket 31, and the slot wall of the rotating slot 311 is provided with the notch 312, so that the rotating bracket 32 can be conveniently installed in the rotating slot 311, and the rotating slot 311 can provide a rotating space for the rotating bracket 32. After the boss 323 is installed in the rotary groove 311 through the notch 312, the rotary bracket 32 is rotated by an angle so that the boss 323 and the notch 312 are dislocated, and further the boss 323 of the rotary bracket 32 and the rotary groove 311 of the screen bracket 31 are axially limited, when the focusing ring 40 drives the rotary bracket 32 to axially move, the screen bracket 31 also follows to axially move, so that the distance between the display module 20 and the lens 12 is changed, and the effect of adjusting the virtual image distance is achieved.

Further, in the embodiment of the present invention, along the rotation direction of the rotating bracket 32, the boss 323 and the notch 312 are dislocated to form a first included angle, two ends of the sliding groove 111 form a second included angle, and two adjacent notches 312 form a third included angle; and the sum of the first included angle and the second included angle is smaller than the third included angle. It will be appreciated that the rotating bracket 32 is rotated by a first angle after being mounted to the screen bracket 31 to cause the projection 323 to be misaligned with the notch 312; then, the whole holder assembly 30 is assembled to the lens barrel 11, and the maximum rotation angle of the rotating holder 32 is the second angle due to the limitation of the sliding groove 111. When the sum of the first included angle and the second included angle is smaller than the third included angle, no matter how the rotating bracket rotates, the boss 323 does not overlap with the notch 312, so that the rotating bracket 32 does not fall off from the screen bracket 31. Specifically, in a specific embodiment of the present invention, three notches 312 are uniformly spaced on the wall of the rotating slot 311, three bosses 323 are correspondingly disposed on the rotating bracket 32, and the third included angle is 120 °; three bosses 323 on the rotating bracket 32 are arranged through three notches 312 of the screen bracket 31 and rotate by 19.8 degrees, namely, the first included angle is 19.8 degrees; further, the sliding groove 111 ensures that the rotating bracket 32 is not released from the screen bracket 31 when an angle formed by both ends in the rotating direction of the rotating bracket 32 is less than 100.2 °.

Further, referring to fig. 4 and fig. 5, in the embodiment of the present invention, the inner wall of the lens barrel 11 near one end of the display module 20 is provided with a sliding slot 112, the sliding slot 112 is axially disposed along the lens barrel 11, a position of the screen bracket 31 corresponding to the sliding slot 112 is provided with a protruding rib 313, and the protruding rib 313 is accommodated in the sliding slot 112. It will be appreciated that the engagement of the rib 313 with the sliding slot 112 can act as a limit to prevent the rotation of the screen support 31 caused by the rotation of the rotating support 32.

Further, referring to fig. 3 and 4 again, in the embodiment of the present invention, the outer wall of the screen bracket 31 between the rotating groove 311 and the rib 313 is provided with a first sealing ring 314. It can be understood that, when the bracket assembly 30 is assembled to the lens barrel 11, the first sealing ring 314 can abut against the inner wall of the lens barrel 11, and when the screen bracket 31 moves in the lens barrel 11, the first sealing ring 314 always abuts against the inner wall of the lens barrel 11, so as to seal the gap between the lens barrel 11 and the screen bracket 31, so as to prevent the inner wall from entering the lens barrel 11, and ensure the cleanliness of the inner wall.

Further, referring to fig. 3 and fig. 6, in the embodiment of the present invention, a second sealing ring 41 is disposed between the lens barrel 11 and the focusing ring 40. It is understood that the second seal ring 41 is provided on the outer wall of the lens barrel 11, and the second seal ring 41 abuts against the inner wall of the focus adjustment ring 40; when the focus ring 40 rotates, the second seal ring 41 is always abutted against the inner wall of the focus ring 40, and seals a gap between the focus ring 40 and the lens barrel 11 to prevent dust from entering the lens barrel 11, thereby ensuring the cleanliness of the inside. Meanwhile, the second sealing ring 41 can increase the friction force between the focusing ring 40 and the lens barrel 11, so that the hand feeling of a user when the user rotates the focusing ring 40 is increased, and the user experience is improved.

Further, in the embodiment of the present invention, the lens module 100 further includes an annular gland 50, and the annular gland 50 is fixed at an end of the lens barrel 11 away from the display module 20. The annular gland 50 limits the focusing ring 40 and prevents the focusing ring 40 from falling off.

Further, referring to fig. 3 again, in the embodiment of the present invention, the outer edge of the focusing ring 40 is provided with anti-slip lines 42. The anti-skid lines 42 are beneficial to the contact of the fingers of the user to rotate the focusing ring 40, so that the use is convenient, and the use experience of the user is improved.

The utility model provides a virtual reality equipment, this virtual reality equipment include the camera lens module 100 of above-mentioned arbitrary embodiment, and above-mentioned embodiment is referred to this camera lens module 100's concrete structure, because this virtual reality equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, gives unnecessary detail here one by one.

The lens module and the virtual reality device provided by the embodiment of the present invention are described in detail above, and the principle and the implementation of the present invention are explained herein by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be some changes in the specific implementation and application scope, and in summary, the content of the description should not be understood as a limitation to the present invention.

Claims

1. A lens module, comprising:

a bracket component, which is arranged in the lens cone, and one end of the bracket component, which is far away from the lens, is provided with a display module,

the focusing ring is sleeved outside the lens barrel and is in driving connection with the bracket component;

2. The lens module as claimed in claim 1, wherein the holder assembly comprises a panel holder and a rotary holder rotatably disposed on the panel holder, the rotary holder has a plurality of holes formed on an outer periphery thereof, the lens barrel has a plurality of inclined sliding grooves formed on a side wall thereof, and a plurality of cam pins are respectively fixed to the holes through the sliding grooves.

3. The lens module as claimed in claim 2, wherein the panel holder has a rotary slot for receiving the rotary holder, the rotary holder has a boss at a position corresponding to the hole on an inner edge of the rotary holder, the rotary slot has a plurality of notches corresponding to the bosses on a wall of the rotary slot, the bosses are inserted into the rotary slot through the notches, and the bosses are offset from the notches.

4. The lens module as claimed in claim 3, wherein along the rotation direction of the rotating bracket, the boss and the notch are dislocated to form a first included angle, two ends of the sliding groove form a second included angle, and two adjacent notches form a third included angle; wherein the sum of the first included angle and the second included angle is smaller than the third included angle.

5. The lens module as claimed in claim 3, wherein the barrel has a sliding groove on an inner wall thereof near one end of the display module, the sliding groove is axially disposed along the barrel, and a rib is disposed at a position of the screen bracket corresponding to the sliding groove and received in the sliding groove.

6. The lens module as claimed in claim 5, wherein the outer wall of the screen holder between the rotation groove and the rib is provided with a first sealing ring.

7. The lens module as claimed in claim 1, wherein a second sealing ring is disposed between the lens barrel and the focus ring.

8. The lens module as claimed in claim 1, wherein the lens module further comprises an annular gland fixed at an end of the lens barrel away from the display module.

9. The lens module as recited in claim 1, wherein an outer edge of said focus ring is provided with anti-slip stripes.

10. A virtual reality device comprising the lens module of any one of claims 1-9.