CN211145100U

CN211145100U - Cell-phone camera focus adjustment bearing

Info

Publication number: CN211145100U
Application number: CN201921731443.2U
Authority: CN
Inventors: 娄晓明
Original assignee: SHANGHAI NMB PRECISION BEARING MANUFACTURING CO LTD
Current assignee: SHANGHAI NMB PRECISION BEARING MANUFACTURING CO LTD
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-31
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a cell-phone camera focus adjustment bearing, contain the outer lane, first inner circle, second inner circle and rolling element, the outer lane cover is established in first inner circle and second inner circle outside and open on the interior anchor ring of outer lane have the first V groove that matches with the rolling element, first interior circle is provided with the annular step that matches with the second inner circle, the second inner circle cover is established on the annular step of first inner circle and is fixed, first inner circle and second inner circle junction outer anchor ring are opened there is the second V groove, the rolling element sets up at first V groove and second V inslot and can freely roll, the rolling element is with the equal point contact in first V groove and second V groove. The utility model discloses make cell-phone focus adjustment reaction rate grow fast and adjustment range grow, satisfy the photographic and requirement of making a video recording of specialty.

Description

Cell-phone camera focus adjustment bearing

Technical Field

The utility model relates to a bearing, especially a cell-phone camera focus adjustment bearing.

Background

At present, the mobile phone has the functions of photographing and shooting, and the pixel resolution of the mobile phone can be basically comparable to that of a common camera and a video camera. Due to the limitation of thickness of the existing mobile phone, the focusing function of a common mobile phone camera is realized through a software algorithm, actual optical focusing is not realized, electronic focusing is generally simple pixel amplification, focal length adjustment in the true sense cannot be realized, and image imaging quality is poor. Therefore, some mobile phones have already been equipped with an optical focusing camera, but since the focus adjustment mechanism has no rolling bearing, the focus adjustment reaction speed is slow and the adjustment range is small, and the requirements of professional photography and shooting cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a cell-phone camera focus adjustment bearing is provided, improve cell-phone focusing speed and adjustment range.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a cell-phone camera focus adjustment bearing which characterized in that: the rolling bearing comprises an outer ring, a first inner ring, a second inner ring and a rolling body, wherein the outer ring is sleeved on the outer sides of the first inner ring and the second inner ring, a first V-shaped groove matched with the rolling body is formed in the inner ring surface of the outer ring, an annular step matched with the second inner ring is arranged on the first inner ring, the second inner ring is sleeved on the annular step of the first inner ring and is fixed, a second V-shaped groove is formed in the outer ring surface of the joint of the first inner ring and the second inner ring, the rolling body is arranged in the first V-shaped groove and the second V-shaped groove and can roll freely, and the rolling body is in two-point contact with the first V-shaped.

Furthermore, the first V-shaped groove is a V-shaped groove channel with an arc-shaped end part, and the rolling body and the groove channel surfaces on the two sides of the first V-shaped groove are in point contact.

Furthermore, the second V-shaped groove is a V-shaped groove channel, a first inclined surface is arranged on the first inner ring, a second inclined surface is arranged on the second inner ring, and the lower ends of the first inclined surface and the second inclined surface are connected to form the V-shaped groove channel when the second inner ring is connected with the first inner ring.

Furthermore, an annular step is arranged on the outer annular surface of the first inner ring, the inner diameter of the second inner ring is matched with the outer diameter of the annular step, the second inner ring is sleeved outside the annular step of the first inner ring and is in interference connection with the first inner ring, and one side end face of the second inner ring is abutted against the side wall of the annular step of the first inner ring.

Further, a chamfer is arranged at the left lower side angle of the second inner ring.

Furthermore, the whole width of the second inner ring is smaller than that of the annular step of the first inner ring, a spigot is arranged on an inner hole on the right side of the second inner ring, the end part of the annular step of the first inner ring protrudes out of the end surface of the second inner ring after the annular step of the first inner ring is pressed in place, and the protruding part of the annular step is flanged and pressed into the spigot of the second inner ring to lock and fix the second inner ring in the annular step of the first inner ring.

Compared with the prior art, the utility model, have following advantage and effect: the utility model provides a mobile phone camera focal length adjusting bearing, which leads the mobile phone focal length adjusting reaction speed to be fast and the adjusting range to be enlarged, and meets the requirements of professional photography and camera shooting; meanwhile, the rolling body, the outer ring and the two inner rings of the utility model are in two-point contact, the angular contact ball bearing forming four-point contact can bear bidirectional axial force, and the full ball can bear larger impact force when the mechanism is started; the mounting structure of the first inner ring and the second inner ring is stable, and the bearing cannot be disengaged when the bearing receives axial force.

Drawings

Fig. 1 is a schematic diagram of the focal length adjusting bearing for the mobile phone camera of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention. The left and right in the present invention are referred to the left and right positions of fig. 1.

As shown in fig. 1, the utility model discloses a cell-phone camera focus adjustment bearing, contain outer lane 1, first inner circle 2, second inner circle 3 and rolling element 4, outer lane 1 cover is established in first inner circle 2 and second inner circle 3 outsides and open on the interior anchor ring of outer lane 1 have with rolling element 4 assorted first V groove 5, be provided with the annular step 7 that matees with second inner circle 2 on the first inner circle 2, the cover of second inner circle 3 is established on the annular step 7 of first inner circle 2 and is fixed, first inner circle 2 and the outer anchor ring of second inner circle 3 junction are opened has second V groove 6, rolling element 4 sets up in first V groove 5 and second V groove 6 and can freely roll, rolling element 4 and the equal two point contacts in first V groove 5 and second V groove 6.

The first V-shaped groove 5 is a V-shaped groove channel with an arc-shaped end part, and the rolling body 4 and the groove channel surfaces on the two sides of the first V-shaped groove 5 are in point contact. The second V-shaped groove 6 is a V-shaped groove channel, a first inclined surface is arranged on the first inner ring 2, a second inclined surface is arranged on the second inner ring 3, and the lower ends of the first inclined surface and the second inclined surface are connected to form the V-shaped groove channel when the second inner ring 3 is connected with the first inner ring 2.

An annular step 7 is arranged on the outer annular surface of the first inner ring 2, the inner diameter of the second inner ring 3 is matched with the outer diameter of the annular step 7, the second inner ring 3 is sleeved on the outer side of the annular step 7 of the first inner ring 2, the second inner ring 3 is in interference connection with the first inner ring 2, and one side end surface of the second inner ring 3 is abutted against the side wall of the annular step 7 of the first inner ring 2. The lower left side angle of the second inner ring 3 is provided with a chamfer, so that the second inner ring 3 is convenient to mount.

The whole width of the second inner ring 3 is smaller than the width of the annular step 7 of the first inner ring 2, a spigot 8 is arranged in an inner hole at the right side of the second inner ring 3, after the annular step 7 of the first inner ring 2 is pressed in place, the end part of the annular step 7 of the first inner ring 2 protrudes out of the end surface of the second inner ring 3, the protruding part of the annular step 7 is flanged and pressed into the spigot 8 of the second inner ring 3 to lock and fix the second inner ring 3 in the annular step of the first inner ring 2, and the installation mode is simple and stable and is suitable for installation of a subminiature bearing.

The utility model provides a mobile phone camera focal length adjusting bearing, which leads the mobile phone focal length adjusting reaction speed to be fast and the adjusting range to be enlarged, and meets the requirements of professional photography and camera shooting; meanwhile, the rolling body, the outer ring and the two inner rings of the utility model are in two-point contact, the angular contact ball bearing forming four-point contact can bear bidirectional axial force, and the full ball can bear larger impact force when the mechanism is started; the mounting structure of the first inner ring and the second inner ring is stable, and the bearing cannot be disengaged when the bearing receives axial force.

The above description in this specification is merely illustrative of the present invention. Those skilled in the art can make various modifications or additions to the described embodiments or substitute them in a similar manner without departing from the scope of the present invention as defined in the following claims.

Claims

1. The utility model provides a cell-phone camera focus adjustment bearing which characterized in that: the rolling bearing comprises an outer ring, a first inner ring, a second inner ring and a rolling body, wherein the outer ring is sleeved on the outer sides of the first inner ring and the second inner ring, a first V-shaped groove matched with the rolling body is formed in the inner ring surface of the outer ring, an annular step matched with the second inner ring is arranged on the first inner ring, the second inner ring is sleeved on the annular step of the first inner ring and is fixed, a second V-shaped groove is formed in the outer ring surface of the joint of the first inner ring and the second inner ring, the rolling body is arranged in the first V-shaped groove and the second V-shaped groove and can roll freely, and the rolling body is in two-point contact with the first V-shaped.

2. The bearing for adjusting the focal length of the mobile phone camera according to claim 1, wherein: the first V-shaped groove is a V-shaped groove channel with an arc-shaped end part, and the rolling body and the groove channel surfaces on the two sides of the first V-shaped groove are in point contact.

3. The bearing for adjusting the focal length of the mobile phone camera according to claim 1, wherein: the second V-shaped groove is a V-shaped groove channel, a first inclined surface is arranged on the first inner ring, a second inclined surface is arranged on the second inner ring, and the lower ends of the first inclined surface and the second inclined surface are connected to form the V-shaped groove channel when the second inner ring is connected with the first inner ring.

4. The bearing for adjusting the focal length of the mobile phone camera according to claim 1, wherein: the outer ring surface of the first inner ring is provided with an annular step, the inner diameter of the second inner ring is matched with the outer diameter of the annular step, the second inner ring is sleeved outside the annular step of the first inner ring and is in interference connection with the first inner ring, and one side end surface of the second inner ring is abutted against the side wall of the annular step of the first inner ring.

5. The bearing for adjusting the focal length of the mobile phone camera according to claim 4, wherein: and a chamfer is arranged at the left lower side angle of the second inner ring.

6. The bearing for adjusting the focal length of the mobile phone camera according to claim 4, wherein: the whole width of the second inner ring is smaller than that of the annular step of the first inner ring, a spigot is arranged in an inner hole on the right side of the second inner ring, the end part of the annular step of the first inner ring protrudes out of the end face of the second inner ring after the annular step of the first inner ring is pressed in place, and the protruding part of the annular step is flanged and pressed into the spigot of the second inner ring to lock and fix the second inner ring in the annular step of the first inner ring.