CN210323537U

CN210323537U - Lens module and mobile terminal

Info

Publication number: CN210323537U
Application number: CN201920959609.XU
Authority: CN
Inventors: 李国华; 吴俊甫; 邹海荣
Original assignee: OFilm Tech Co Ltd
Current assignee: Jiangxi Jingchao Optical Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-14
Anticipated expiration: 2029-06-24

Abstract

The utility model relates to a camera lens module and mobile terminal, camera lens module includes: a lens base having a hollow structure; the lens assembly is at least partially accommodated in the lens base and comprises a lens barrel, a lens group arranged in the lens barrel and a carrier integrally formed with the outer wall of the lens barrel; a set of motor components, which comprises a magnet arranged on one of the inner wall of the microscope base and the carrier and a coil arranged on the other of the inner wall of the microscope base and the carrier and interacted with the magnet; at least one group of guiding components are arranged in the lens base and used for guiding the lens component in the lens base along the direction of the optical axis. The technical effects are as follows: the lens cone and the carrier are integrally formed, the problem of matching loosening does not exist, the phenomenon that the lens cone and the carrier are eccentric or inclined due to installation caused by threaded connection is avoided, the focusing effect is good, the imaging quality of the lens is improved, and the guide assembly can ensure the moving stability and good guide performance of the lens assembly in the lens base.

Description

Lens module and mobile terminal

Technical Field

The utility model relates to a camera technical field especially relates to a lens module and mobile terminal.

Background

With the development of the times, the quality requirements of users on shot imaging pictures are increasingly increased. The lens module can be applied to the field of mobile terminals such as mobile phones, tablets and computers, and has the functions of image collection such as photographing and video recording. The lens module comprises a lens component and a motor component, wherein the motor component is used for driving the lens component to move relative to the chip module, so that the focusing operation is completed.

In a conventional lens module, a lens assembly includes a lens barrel and a lens set disposed in the lens barrel, and a motor assembly includes a carrier, a coil, a magnet, and the like. The carrier is used for bearing the lens component, and under the driving force generated by the coil and the magnet, the lens component is driven to move relative to the chip module, so that the focusing operation is completed. Usually, the lens barrel and the carrier are locked and fixed by adopting a thread locking manner.

In the process of implementing the conventional technique, the inventors found that: the lens cone and the carrier are easily eccentric or inclined in a thread locking mode, and the imaging quality of the lens is affected.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a lens module and a mobile terminal for solving the problem that the lens barrel and the carrier are easily eccentric or inclined by adopting a screw locking manner, which affects the imaging quality of the lens.

A lens module, comprising: a lens base having a hollow structure; the lens assembly is at least partially accommodated in the lens base and comprises a lens barrel, a lens group arranged in the lens barrel and a carrier integrally formed with the outer wall of the lens barrel, and the carrier is accommodated in the lens base; a set of motor components, which comprises a magnet arranged on one of the inner wall of the lens base and the carrier, and a coil arranged on the other of the inner wall of the lens base and the carrier and interacting with the magnet; at least one group of guiding components are arranged in the lens base and used for guiding the lens component in the lens base along the direction of an optical axis.

The technical scheme at least has the following technical effects: the lens module that this technical scheme provided, lens cone and carrier integrated into one piece do not have the problem that the cooperation pine takes off, need not the mode cooperation that the screw thread lock attaches, has avoided the phenomenon of decentered or slope to appear in the installation that lens cone and carrier lead to because threaded connection for focusing effectually, improved camera lens imaging quality, also avoided the problem of the dust pollution lens group that lens cone and carrier produced simultaneously because threaded connection. The lens seat is internally provided with the guide assembly, so that the movement stability and good guidance of the lens assembly in the lens seat can be ensured.

In one embodiment, the lens holder includes a base and a housing connected to the base, the housing has a through hole penetrating through upper and lower surfaces of the housing, the cantonese of the lens assembly is parallel to a main axis of the through hole, a first receiving groove is disposed on an inner side wall of the housing, and the magnet or the coil is received in the first receiving groove.

Both can hold the magnet in the first holding tank among the above-mentioned technical scheme, can hold the coil again, so design has increased the flexibility of production and processing, has increased operable space, can be convenient for adjust the installation effect.

In one embodiment, the carrier is provided with a second receiving groove in which the magnet or the coil is received.

The second holding tank among the above-mentioned technical scheme holds coil or magnet correspondingly according to the condition of the magnet or the coil that hold in the first holding tank to realize motor element's drive effect.

In one embodiment, the position of the magnet in the mirror base is opposite to the position of the coil on the carrier; or the position of the coil in the microscope base is just opposite to the position of the magnet on the carrier.

According to the technical scheme, the coil just corresponds to the carrier, so that the coil and the magnet can generate stable and relatively large driving force, if the coil and the magnet are dislocated, the size and the direction of the driving force generated by the interaction of the coil and the magnet are influenced, the moving accuracy of the lens assembly cannot be guaranteed, and the accurate focusing effect cannot be guaranteed.

In one embodiment, the lens barrel has an object-side end surface and an image-side end surface, the carrier is provided with a first elastic restoring body on a side opposite to the object-side end surface, and the carrier is provided with a second elastic restoring body on a side opposite to the image-side end surface.

Above-mentioned technical scheme is used for supplementary camera lens subassembly to remove the back in the mirror base and resets, has also reduced the impact nature of camera lens subassembly when the optical axis direction butt arrives the mirror base inner wall simultaneously.

In one embodiment, the guide assembly includes a first slide rail disposed on the carrier and extending in a direction parallel to the optical axis, and a second slide rail disposed on the inner wall of the lens holder and extending in a direction parallel to the optical axis and engaged with and slidably connected to the first slide rail, so that the second slide rail and the first slide rail can slide relatively in a direction parallel to the optical axis.

Above-mentioned technical scheme has specifically set up the structure constitution of direction subassembly, and first slide rail and second slide rail are mutually supported, and existing guide effect has the limiting displacement again, utilizes gliding mode to realize the mobility stability and the good guidance quality of lens subassembly.

In one embodiment, the guide assembly includes an abutting portion disposed on the carrier and extending in a direction parallel to the optical axis, and a fixing portion disposed on an inner wall of the lens holder and extending in a direction parallel to the optical axis, and a plurality of rolling elements arranged in a direction parallel to the optical axis and contacting the abutting portion are accommodated in the fixing portion, so that the rolling elements can roll relatively in the direction parallel to the optical axis along the abutting portion.

The technical scheme specifically provides a structural component of the guide assembly, the abutting portion can move along the plurality of rolling bodies, the rolling bodies roll relative to the abutting portion, friction is small, and the moving stability and good guidance performance of the lens assembly are achieved by means of rolling.

In one embodiment, a plurality of the rolling elements have the same shape and size.

According to the technical scheme, when the carrier moves along the optical axis direction, the rolling bodies with the same size can ensure more accurate and more consistent contact points, so that the rolling uniformity of the rolling bodies is better, and the carrier is prevented from inclining.

In one embodiment, the fixed portion accommodates therein a plurality of rolling element groups arranged in a direction parallel to the optical axis, each of the rolling element groups being provided with a plurality of the rolling elements.

Be provided with multiunit rolling element group in the fixed part among the above-mentioned technical scheme, every group is equipped with a plurality of rolling elements, can increase the rolling portion of carrier and the contact point of microscope base inner wall, increases the area of contact of the rolling portion of carrier and microscope base inner wall for the operation of carrier is more stable, avoids the carrier to remove the emergence slope repeatedly along the optical axis direction.

In one embodiment, the guide assembly is provided with a group, and the guide assembly and the motor assembly are symmetrically arranged by taking an optical axis as an axis.

Above-mentioned technical scheme is a mode of setting up of direction subassembly and motor element, and direction subassembly and motor element symmetric distribution can improve the equilibrium that the lens subassembly removed.

In one embodiment, the guide assemblies are provided in three groups, and the three groups of guide assemblies and the motor assembly are sequentially arranged at 90 degrees in the circumferential direction around the optical axis.

Above-mentioned technical scheme is a mode of setting up of direction subassembly and motor subassembly, and the direction subassembly is provided with the multiunit, can guarantee the mobility stability and the good guidance quality of lens subassembly further, and evenly distributed is in order to improve the equilibrium simultaneously.

A mobile terminal comprises the lens module in any embodiment.

The technical scheme at least has the following technical effects: the mobile terminal provided by the technical scheme adopts the lens module as described in any one of the above embodiments, the lens barrel and the carrier are integrally formed, the problem of loose matching does not exist, the mode matching of thread locking is not needed, the phenomenon of eccentricity or inclination in the installation of the lens barrel and the carrier caused by thread connection is avoided, the focusing effect is good, the imaging quality of the lens is improved, and meanwhile, the problem that the lens barrel and the carrier pollute the lens group due to dust generated by thread connection is also avoided. The lens seat is internally provided with the guide assembly, so that the movement stability and good guidance of the lens assembly in the lens seat can be ensured.

Drawings

Fig. 1 is a schematic partial cross-sectional view of a lens module according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the guide assembly shown in FIG. 1;

FIG. 3 is another schematic structural view of the guide assembly shown in FIG. 1;

FIG. 4 is a schematic top view of a portion of the lens module shown in FIG. 1;

fig. 5 is another schematic top view of a portion of the lens module shown in fig. 1.

Wherein:

100. lens module 110, lens base 112, and base

114. Housing 116, stopper 118, and first receiving groove

120. Lens assembly 122, lens barrel 124 and carrier

126. Second receiving groove 130, motor assembly 132, and magnet

134. Coil 140, guide assembly 142, first slide rail

144. Second slide rail 146, abutting part 148 and fixing part

149. Rolling element 152, first elastic restoring body 154, second elastic restoring body

A. Object-side end surface B, image-side end surface X, optical axis

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an embodiment of the present invention provides a lens module 100, including: a lens base 110 having a hollow structure; the lens assembly 120 is at least partially accommodated in the lens base 110, and includes a lens barrel 122, a lens group disposed in the lens barrel 122, and a carrier 124 integrally formed with an outer wall of the lens barrel 122, and the carrier 124 is accommodated in the lens base 110; a set of motor assemblies 130 comprising a magnet 132 disposed on one of the inner wall of the mirror base 110 and the carrier 124, and a coil 134 disposed on the other of the inner wall of the mirror base 110 and the carrier 124 and interacting with the magnet 132, i.e. the magnet 132 and the coil 134 are respectively disposed on the inner wall of the mirror base 110 and the carrier 124, and the positions can be interchanged; at least one guiding assembly 140 is disposed in the lens holder 110 for guiding the lens assembly 120 along the optical axis X direction in the lens holder 110.

The lens barrel 122 has an object-side end surface a and an image-side end surface B, the lens group includes a plurality of lenses arranged in sequence from the object-side end surface a to the image-side end surface B, and the stacking direction of the plurality of lenses forms a central optical axis X, in other words, the optical axis X is a connecting line of a plurality of centers of the plurality of lenses. The lens module 100 and the chip module together form a camera structure. The chip module includes a photosensitive chip and a circuit board, and the photosensitive chip is disposed at a position close to the image-side end surface B of the lens assembly 120. The motor assembly 130 drives the lens assembly 120 to move in the direction of the optical axis X within the lens holder 110 to adjust the distance between the lens assembly 120 and the photosensitive chip, thereby completing the focusing operation.

In the lens assembly 120, the carrier 124 and the lens barrel 122 thereof are limited in the lens base 110, and the portion of the object-side end surface a protrudes from the lens base 110. The lens holder 110 has a stop 116 formed at two sides thereof along the optical axis X, which are close to the object-side end a and the image-side end B, respectively, so as to limit the moving range of the lens assembly 120 in the lens holder 110, specifically, the moving range of the carrier 124 in the lens holder 110.

The traditional lens cone and the carrier are locked and fixed in a threaded locking mode, dust is generated due to friction in the process of threaded locking easily to pollute the lens group, meanwhile, the phenomenon of eccentricity or inclination is caused in installation due to threaded connection easily, the focusing effect is influenced, and the imaging quality of the lens is poor.

And the embodiment of the utility model provides an in, form lens cone 122 outer wall and carrier 124 an organic whole, that is to say carrier 124 is located the outside of lens cone 122, if adopt modes such as moulding plastics, casting, screw-thread fit's mode has been avoided, there is not the problem that the cooperation pine takes off, the phenomenon of decentration or slope has appeared in the installation of having avoided lens cone 122 and carrier 124 because threaded connection leads to, it is effectual to make focus, the precision of focusing has been improved, the camera lens imaging quality has been improved, the problem of lens cone 122 and carrier 124 because the dust pollution lens group that threaded connection produced has also been avoided simultaneously. Since the lens barrel 122 and the carrier 124 are integrally formed, the assembly time of the lens module 100 is also reduced, and the production efficiency is improved.

The magnet 132 and the coil 134 are respectively arranged on the inner wall of the lens holder 110 and the carrier 124, and the positions can be interchanged, so that the flexibility of production and processing can be increased, the operable space can be increased, and the adjustment and the installation effect can be facilitated. The mounting positions of the magnet 132 and the coil 134 may be adaptively adjusted according to actual mounting requirements.

The embodiment of the utility model provides an in, set up a set of motor element 130, can reduce installation procedure, reduction in production cost. Meanwhile, in order to avoid the shaking of the group of motor assemblies 130 during the driving process, a guide assembly 140 is further disposed in the mirror base 110 to ensure the moving stability and good guidance of the lens assembly 120 in the mirror base 110.

The technical scheme at least has the following technical effects: in the lens module 100 provided by the technical scheme, the lens barrel 122 and the carrier 124 are integrally formed, so that the problem of loose matching does not exist, the lens barrel 122 and the carrier 124 are matched in a threaded locking manner, and the phenomenon of eccentricity or inclination in installation caused by threaded connection between the lens barrel 122 and the carrier 124 is avoided, so that the focusing effect is good, the imaging quality of the lens is improved, and meanwhile, the problem that the lens group is polluted by dust generated by threaded connection between the lens barrel 122 and the carrier 124 is also avoided. The guide assembly 140 is disposed in the lens holder 110, so that the movement stability and good guidance of the lens assembly 120 in the lens holder 110 can be ensured.

In some embodiments, the lens holder 110 includes a base 112 and a housing 114 connected to the base 112, the housing 114 defines a through hole penetrating through upper and lower surfaces of the housing 114, an optical axis X of the lens assembly 120 is parallel to a major axis of the through hole, a first receiving groove 118 is disposed on an inner side wall of the housing 114, and the magnet 132 or the coil 134 is received in the first receiving groove 118. To facilitate mounting of the lens assembly 120 and the motor assembly 130, the lens holder 110 includes a base 112 and a housing 114 that are coupled to each other. The base 112 and the housing 114 are assembled to form the mirror base 110, and the base 112 and the housing 114 are respectively formed with a stop 116 to limit the moving range of the lens assembly 120 in the mirror base 110. The magnet 132 or the coil 134 is fixed in the first receiving groove 118 by a snap or adhesive method, so as to ensure the installation stability of the magnet 132 or the coil 134. So set up, both can hold magnet 132 in the first holding tank 118, can hold coil 134 again, increased the flexibility of production and processing, increased the operating space, can be convenient for adjust the installation effect.

In some embodiments, the carrier 124 is provided with a second receiving groove 126, and the magnet 132 or the coil 134 is received in the second receiving groove 126. Specifically, at a position corresponding to the position where the magnet 132 or the coil 134 is disposed on the inner wall of the lens holder 110 (specifically, the inner wall of the housing 114), the outer wall of the carrier 124 is provided with a second receiving groove 126 for receiving the coil 134 or the magnet 132, and the coil 134 or the magnet 132 is fixed in the second receiving groove 126 by a snap or an adhesive, so as to ensure the installation stability of the coil 134 or the magnet 132. So configured, the second receiving groove 126 receives the coil 134 or the magnet 132 correspondingly according to the condition of the magnet 132 or the coil 134 received in the first receiving groove 118, so as to achieve the driving effect of the motor assembly 130.

In some embodiments, the position of the magnet 132 within the mirror base 110 is directly opposite the position of the coil 134 on the carrier 124; alternatively, the position of the coil 134 within the mirror base 110 is opposite to the position of the magnet 132 on the carrier 124. In this embodiment, the position of the magnet 132 or the coil 134 in the lens holder 110 is set to be opposite to the position of the coil 134 or the magnet 132 in the carrier 124, so as to prevent the problem that the driving force direction is inclined or the driving force cannot reach the maximum value in a specific manner due to the position deviation or dislocation between the interacting coil 134 and the magnet 132, and ensure that the coil 134 and the magnet 132 can generate a stable and relatively large driving force when interacting with each other, thereby achieving a better focusing effect and achieving an imaging effect with good imaging quality and high image definition. If the coil 134 and the magnet 132 are misaligned, the magnitude and direction of the driving force generated by the interaction between the coil 134 and the magnet 132 are affected, and the movement accuracy of the lens assembly 120 and the focusing effect cannot be guaranteed.

In some embodiments, the lens barrel 122 has an object-side end a and an image-side end B, the carrier 124 is provided with a first elastic reset 152 on a side opposite to the object-side end a, and the carrier 124 is provided with a second elastic reset 154 on a side opposite to the image-side end B. The first elastic restoring member 152 and the second elastic restoring member 154 may be elastic sheets, springs, or the like. In the process of moving the lens assembly 120 back and forth, if the carrier 124 abuts against the inner wall of the lens holder 110 in the direction of the optical axis X, in order to reduce the mechanical damage of the carrier 124 and the inner wall of the lens holder 110, a first elastic restoring body 152 and a second elastic restoring body 154 may be respectively disposed on two sides of the carrier 124 in the direction of the optical axis X, in other words, the first elastic restoring body 152 and the second elastic restoring body 154 may be respectively disposed on two sides of the carrier 124 close to the object-side end surface a and the image-side end surface B. Meanwhile, if the lens assembly 120 needs to be reset after moving in the lens holder 110, the first elastic restoring body 152 and the second elastic restoring body 154 play a good role in assisting the reset. The above technical solution is used for the auxiliary lens assembly 120 to reset after moving in the lens holder 110, and simultaneously reduces the impact when the lens assembly 120 abuts against the inner wall of the lens holder 110 in the direction of the optical axis X.

With continued reference to fig. 2, in some embodiments, the guiding assembly 140 includes an abutting portion 146 disposed on the carrier 124 and extending in a direction parallel to the optical axis X, and a fixing portion 148 disposed on an inner wall of the lens holder 110 and extending in a direction parallel to the optical axis X, wherein the fixing portion 148 accommodates a plurality of rolling elements 149 arranged in the direction parallel to the optical axis X and contacting the abutting portion 146, so that the rolling elements 149 can roll relatively in the direction parallel to the optical axis X along the abutting portion 146. The abutment 146 may be understood as a smooth planar track. Specifically, an abutting portion 146 extending along the optical axis X direction is disposed on an outer wall of the carrier 124, and a fixing portion 148 extending along the optical axis X direction is disposed on an inner wall (specifically, an inner wall of the housing 114) of the lens holder 110 at a corresponding position, the fixing portion 148 has a receiving cavity, the receiving cavity includes a plurality of rolling bodies 149 arranged in sequence along the optical axis X direction, the rolling bodies 149 can abut against the receiving cavity, and a surface portion of the rolling bodies 149 is exposed to contact the abutting portion 146. The rolling elements 149 are balls, needles, etc., and the accommodating chamber may be provided with a single row of rolling elements 149 along the optical axis X direction, or may be provided with a plurality of rows of rolling elements 149, for example, two rows or three rows, for example, five rows of rolling elements 149 are illustrated in fig. 2. In the process that the lens assembly 120 moves back and forth in the lens base 110 along the direction of the optical axis X, the abutting portion 146 contacts with the rolling body 149 and rolls, so that the friction force is small, the shaking of the lens assembly 120 in the moving process is reduced, and meanwhile, the guiding effect is also achieved, and the offset phenomenon is avoided. The technical scheme is specifically provided with the structural components of the guide assembly 140, and the movement stability and good guidance of the lens assembly 120 are realized in a rolling mode, so that a good focusing effect is realized, and an imaging effect with good imaging quality and high image definition is realized.

Further, the plurality of rolling bodies 149 have the same outer shape and size. With such an arrangement, when the carrier 124 moves along the direction of the optical axis X, the plurality of rolling elements 149 with the same shape and size can ensure more accurate and consistent contact points, so that the rolling uniformity of the plurality of rolling elements 149 is better, and the carrier 124 is prevented from tilting.

Further, the fixed portion 148 accommodates therein a plurality of rolling element groups arranged in a direction parallel to the optical axis X, each rolling element group being provided with a plurality of rolling elements 149. For example, as shown in fig. 2 and 4, each rolling element group is provided with three rolling elements 149. With such an arrangement, the contact point between the abutting portion 146 of the carrier 124 and the inner wall of the lens holder 110 can be increased, and the contact area between the abutting portion 146 of the carrier 124 and the inner wall of the lens holder 110 can be increased, so that the carrier 124 can operate more stably, and the carrier 124 can be prevented from moving repeatedly along the optical axis X direction to be inclined.

Referring to fig. 3, in some other embodiments, the guide assembly 140 includes a first slide rail 142 disposed on the carrier 124 and extending parallel to the direction along the optical axis X, and a second slide rail 144 disposed on the inner wall of the lens holder 110 and extending parallel to the optical axis X and engaged with and slidably connected to the first slide rail 142, so that the second slide rail 144 and the first slide rail 142 can slide relatively in the direction parallel to the optical axis X. Specifically, a first slide rail 142 extending in a direction parallel to the optical axis X is disposed on an outer wall of the carrier 124, and a second slide rail 144 extending in the direction parallel to the optical axis X is disposed on an inner wall of the lens holder 110 (specifically, an inner wall of the housing 114), where the first slide rail 142 and the second slide rail 144 may be both smooth planar rails or rails and sliding grooves that are matched with each other. In the process that the lens assembly 120 moves back and forth in the lens holder 110 along the direction parallel to the optical axis X, the first slide rail 142 contacts with the second slide rail 144 and slides, so as to reduce the shaking of the lens assembly 120 during the moving process, and meanwhile, the lens assembly also plays a guiding role, thereby avoiding the occurrence of the offset phenomenon. The technical scheme specifically includes that the guide assembly 140 is structurally arranged, the first slide rail 142 and the second slide rail 144 are matched with each other, so that the lens assembly 120 has a guide function and a limiting function, and the movement stability and good guidance of the lens assembly 120 are realized in a sliding manner, so that a good focusing effect is realized, and an imaging effect with good imaging quality and high image definition is realized.

Of course, other structural configurations of the guiding assembly 140 are also applicable to the embodiment of the present invention, so as to ensure the moving stability and good guiding performance of the lens assembly 120.

Referring to fig. 4, in some embodiments, the guiding elements 140 are provided in a group, and the guiding elements 140 and the motor element 130 are symmetrically disposed about the optical axis X. In this embodiment, the two guide assemblies 140 and the motor assembly 130 are symmetrically disposed about the optical axis X, which means that the two guide assemblies 140 and the motor assembly 130 are disposed on two sides of the optical axis X, and a connection line between the two guide assemblies 140 and the motor assembly 130 is perpendicular to the optical axis X. With this arrangement, the balance of the movement of the lens assembly 120 can be ensured while ensuring the movement stability and good guidance of the lens assembly 120.

Referring to fig. 5, in some other embodiments, three sets of the guide assemblies 140 are provided, and the three sets of the guide assemblies 140 are sequentially disposed at 90 degrees from the motor assembly 130 around the circumference of the optical axis X. It can be understood that the centers of the three sets of guide assemblies 140 and the motor assembly 130 are connected in series to form a 360-degree circle, and the three sets of guide assemblies 140 and the motor assembly 130 are uniformly distributed, so that the stress balance can be improved. Meanwhile, the plurality of sets of guide assemblies 140 can further ensure the movement stability and good guidance of the lens assembly 120.

Of course, other types of guiding assemblies 140 are also applicable to the embodiments of the present invention, so as to ensure the moving stability and good guiding performance of the lens assembly 120.

The embodiment of the utility model also provides a mobile terminal, including as above any embodiment the camera lens module 100. The mobile terminal includes, but is not limited to, an electronic information device such as a mobile phone, a tablet, a computer, etc. The mobile terminal further comprises a chip module, and the lens module 100 and the chip module jointly form a camera shooting structure. The chip module includes a photosensitive chip and a circuit board, and the photosensitive chip is disposed at a position close to the image-side end surface B of the lens assembly 120. The motor assembly 130 drives the lens assembly 120 to move in the direction of the optical axis X within the lens holder 110 to adjust the distance between the lens assembly 120 and the photosensitive chip, thereby completing the focusing operation.

The technical scheme at least has the following technical effects: the mobile terminal provided by the technical scheme adopts the lens module 100 as described in any embodiment, the lens barrel 122 and the carrier 124 are integrally formed, the problem of loose matching does not exist, the matching is not required in a threaded locking manner, the phenomenon of eccentricity or inclination in installation caused by threaded connection between the lens barrel 122 and the carrier 124 is avoided, the focusing effect is good, the imaging quality of the lens is improved, and meanwhile, the problem that the lens group is polluted by dust generated by threaded connection between the lens barrel 122 and the carrier 124 is also avoided. The guide assembly 140 is disposed in the lens holder 110, so that the movement stability and good guidance of the lens assembly 120 in the lens holder 110 can be ensured.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A lens module, comprising:

a lens base having a hollow structure;

the lens assembly is at least partially accommodated in the lens base and comprises a lens barrel, a lens group arranged in the lens barrel and a carrier integrally formed with the outer wall of the lens barrel, and the carrier is accommodated in the lens base;

a set of motor components, which comprises a magnet arranged on one of the inner wall of the lens base and the carrier, and a coil arranged on the other of the inner wall of the lens base and the carrier and interacting with the magnet;

at least one group of guiding components are arranged in the lens base and used for guiding the lens component in the lens base along the direction of the optical axis.

2. The lens module as claimed in claim 1, wherein the lens holder includes a base, and a housing connected to the base, the housing defines a through hole penetrating upper and lower surfaces of the housing, the optical axis of the lens assembly is parallel to a main axis of the through hole, a first receiving groove is disposed on an inner sidewall of the housing, and the magnet or the coil is received in the first receiving groove.

3. The lens module as claimed in claim 1, wherein the carrier is provided with a second receiving groove in which the magnet or the coil is received.

4. The lens module as claimed in claim 1, wherein the position of the magnet in the lens holder is opposite to the position of the coil on the carrier; or the position of the coil in the microscope base is just opposite to the position of the magnet on the carrier.

5. The lens module as claimed in claim 1, wherein the lens barrel has an object-side end surface and an image-side end surface, the carrier has a first elastic restoring body disposed on a side opposite to the object-side end surface, and the carrier has a second elastic restoring body disposed on a side opposite to the image-side end surface.

6. The lens module as claimed in any one of claims 1 to 5, wherein the guiding assembly comprises a first rail disposed on the carrier and extending in a direction parallel to the optical axis, and a second rail disposed on an inner wall of the lens holder and extending in a direction parallel to the optical axis and engaged with and slidably connected to the first rail, such that the second rail and the first rail can slide relative to each other in a direction parallel to the optical axis.

7. The lens module as claimed in any one of claims 1 to 5, wherein the guiding assembly includes an abutting portion disposed on the carrier and extending in a direction parallel to the optical axis, and a fixing portion disposed on an inner wall of the lens holder and extending in a direction parallel to the optical axis, and a plurality of rolling elements arranged in a direction parallel to the optical axis and contacting the abutting portion are accommodated in the fixing portion such that the rolling elements can relatively roll along the abutting portion in a direction parallel to the optical axis.

8. The lens module as claimed in claim 7, wherein the rolling bodies have the same shape and size.

9. The lens module as claimed in claim 7, wherein the fixing portion accommodates therein a plurality of rolling element groups arranged in a direction parallel to the optical axis, each of the rolling element groups being provided with a plurality of the rolling elements.

10. The lens module as claimed in any one of claims 1 to 5, wherein the guiding assembly is provided in a set, and the guiding assembly and the motor assembly are symmetrically arranged with respect to an optical axis.

11. The lens module as claimed in any one of claims 1 to 5, wherein the guide members are provided in three sets, and the three sets of guide members are sequentially spaced from the motor member by 90 degrees in a circumferential direction around the optical axis.

12. A mobile terminal, characterized by comprising a lens module according to any one of claims 1 to 11.