CN114338991B - Magnetic positioning mechanism, camera mechanism and electronic equipment - Google Patents
Magnetic positioning mechanism, camera mechanism and electronic equipment Download PDFInfo
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- CN114338991B CN114338991B CN202111641664.2A CN202111641664A CN114338991B CN 114338991 B CN114338991 B CN 114338991B CN 202111641664 A CN202111641664 A CN 202111641664A CN 114338991 B CN114338991 B CN 114338991B
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Abstract
The application relates to a magnetic positioning mechanism, a camera mechanism and an electronic device. The camera mechanism comprises a shell, a lens and at least one group of positioning components, wherein the shell comprises a top plate and a bottom plate which are arranged in parallel at intervals, and through holes are formed in the top plate; the lens comprises a main body part and a positioning plate connected to one end of the main body part, the positioning plate is positioned between the top plate and the bottom plate, and one end of the main body part, which is far away from the positioning plate, is arranged in the through hole in a penetrating way and can move in the through hole, so that the positioning plate is driven to reciprocate between the top plate and the bottom plate; the positioning assembly includes a magnet and a magnetic member, one of the magnet and the magnetic member being secured to the bottom plate and the top plate and the other being secured to the positioning plate, the magnet interacting with the magnetic member for positioning the positioning plate adjacent to the top plate or the bottom plate. By the mode, the positioning plate can be abutted against and adsorbed on the top plate or abutted against the bottom plate; in addition, due to the interaction of the magnet and the magnetic piece, the driving component can drive the lens component to be close to the top plate or the bottom plate only by applying small acting force.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to a magnetic positioning mechanism, a camera mechanism and electronic equipment.
Background
In the related art, in order to make a moving mechanism of a digital camera or a pop-up lens, such as a lens, abut against a positioning surface each time during repeated movement, high-precision positioning of the lens is realized, and auxiliary positioning is performed by using a spring. However, the spring is sensitive to the stroke of the lens, whether the spring is expanded or compressed, the elasticity of the spring is continuously changed, and the requirement on the performance of a driving mechanism of the lens is high.
Disclosure of Invention
The application provides a magnetic positioning mechanism, a camera mechanism and electronic equipment, which are used for realizing high-precision positioning of a lens on the premise of not improving the performance of a driving mechanism.
The embodiment of the application provides a camera mechanism, which comprises:
the shell comprises a top plate and a bottom plate which are arranged in parallel at intervals, and through holes are formed in the top plate;
the lens comprises a main body part and a positioning plate connected to one end of the main body part, the positioning plate is positioned between the top plate and the bottom plate, one end of the main body part, which is far away from the positioning plate, is penetrated in the through hole and can move in the through hole, and then the positioning plate is driven to reciprocate between the top plate and the bottom plate; and
At least one set of positioning assemblies including a magnet and a magnetic member, one of the magnet and the magnetic member being secured to the bottom plate and the top plate, the other being secured to the positioning plate, the magnet interacting with the magnetic member for bringing the positioning plate closer to the top plate or the bottom plate.
The embodiment of the application also provides a magnetic positioning mechanism, which comprises:
a top plate and a bottom plate arranged in parallel at intervals;
The positioning plate is positioned between the top plate and the bottom plate and can reciprocate between the top plate and the bottom plate; and
A positioning assembly comprising a magnet and a magnetic member, one of the magnet and the magnetic member being secured to the base plate and the top plate, the other being secured to a positioning plate, the magnet interacting with the magnetic member for bringing the positioning plate closer to the top plate or the base plate.
An embodiment of the present application further provides an electronic device, including:
A housing;
the display screen and the shell are surrounded to form a containing space; and
The camera mechanism is accommodated in the accommodating space, and the camera mechanism can collect light rays outside the accommodating space.
According to the camera mechanism provided by the embodiment of the application, one of the magnet and the magnetic piece is fixed on the bottom plate and the top plate, and the other is fixed on the positioning plate, so that the magnet interacts with the magnetic piece and is used for enabling the positioning plate to be close to the top plate or the bottom plate, the positioning plate of the lens can be adsorbed on the top plate or the bottom plate, high-precision positioning of the lens is realized, and the optical system of the camera is ensured to always have a good imaging effect; in addition, due to the interaction of the magnet and the magnetic piece, no matter the positioning plate is positioned at any position between the top plate and the bottom plate, the lens assembly can be driven to be close to the top plate or the bottom plate only by applying small acting force, and the performance requirement of the driving assembly can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of an electronic device according to an embodiment of the present application;
FIG. 2 is a schematic perspective view of the electronic device shown in FIG. 1 in an ejected state;
FIG. 3 is a schematic cross-sectional view of the camera mechanism shown in FIG. 2 taken along the A-A direction;
FIG. 4 is a perspective view of the camera mechanism shown in FIG. 3 with the housing, positioning plate and positioning assembly engaged;
FIG. 5 is a schematic cross-sectional view of the camera mechanism shown in FIG. 4 in the B-B direction;
FIG. 6 is an enlarged partial view of region C of the camera mechanism shown in FIG. 5;
FIG. 7 is an enlarged partial view of a variation of the camera mechanism shown in FIG. 6;
FIG. 8 is a perspective view of the camera mechanism shown in FIG. 2 in a retracted state;
FIG. 9 is a schematic cross-sectional view of the camera mechanism shown in FIG. 8 along the direction D-D;
FIG. 10 is a perspective view of the camera mechanism shown in FIG. 9 with the housing, positioning plate and positioning assembly engaged;
FIG. 11 is a schematic cross-sectional view of the camera mechanism shown in FIG. 10 taken along the E-E direction;
Fig. 12 is a partial enlarged view of the region F shown in fig. 11;
FIG. 13 is a perspective view of the top plate mated with the side plate of the camera mechanism of FIG. 3;
FIG. 14 is a schematic perspective view of the top panel and side panel of FIG. 13 mated at another angle;
FIG. 15 is a perspective view of a base plate of the camera mechanism shown in FIG. 3;
FIG. 16 is a perspective view of a positioning plate in the camera mechanism shown in FIG. 3;
Fig. 17 is a schematic cross-sectional view of a magnetic positioning mechanism according to an embodiment of the present application.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is specifically noted that the following examples are only for illustrating the present application, but do not limit the scope of the present application. Likewise, the following examples are only some, but not all, of the examples of the present application, and all other examples, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, fig. 1 is an exploded view of an electronic device according to an embodiment of the application. The present application provides an electronic device 1000. In particular, the electronic device 1000 may be any of various types of computer system devices (only one form of which is shown by way of example in FIG. 1) that are mobile or portable and that perform wireless communications. Specifically, the electronic device 1000 may be a mobile phone or a smart phone (e.g., an iPhone-based (TM) -based phone), a Portable game device (e.g., nintendo DS (TM) -based phone, playStation Portable (TM) -Gameboy ADVANCE TM, iPhone (TM)), a laptop, a PDA, a Portable internet device, a music player, and a data storage device, other handheld devices, and a wearable device such as a headset, etc., the electronic device 1000 may also be other wearable devices that need to be charged (e.g., a head-mounted device (HMD) such as an electronic bracelet, an electronic necklace, an electronic device, or a smart watch).
The electronic device 1000 may also be any of a number of electronic devices including, but not limited to, cellular telephones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders, video recorders, other media recorders, radios, medical devices, vehicle transportation equipment, calculators, programmable remote controls, pagers, laptop computers, desktop computers, printers, netbooks, personal Digital Assistants (PDAs), portable Multimedia Players (PMPs), moving picture experts group (MPEG-1 or MPEG-2) audio layer 3 (MP 3) players, portable medical devices, and digital cameras and combinations thereof.
In some cases, the electronic device 1000 may perform a variety of functions (e.g., playing music, displaying video, storing pictures, and receiving and sending phone calls). If desired, the electronic device 1000 may be a device such as a cellular telephone, media player, other handheld device, wristwatch device, pendant device, earpiece device, or other compact portable device.
Referring to fig. 1, fig. 1 is a schematic perspective exploded view of an electronic device according to an embodiment of the application. The electronic device 1000 may be a portable device such as a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like. The electronic device 1000 of the present embodiment is illustrated by taking a mobile phone as an example.
The electronic device 1000 may include a camera mechanism 100, a display screen 200, and a housing 300. The display 200 and the housing 300 are connected and enclosed to form a receiving space 1001. The accommodating space 1001 may be used for providing structural components such as the camera mechanism 100, a motherboard, a battery, and the like, so that the electronic device 1000 can implement corresponding functions. The display screen 200, the camera mechanism 100 and other structural members can be electrically connected with the main board, the battery and the like through flexible circuit boards (Flexible Printed Circuit, FPC) respectively, so that the display screen 200, the camera mechanism 100 and other structural members can obtain electric energy supply of the battery and execute corresponding instructions under the control of the main board. Based on this, the camera mechanism 100 may be located at one side of the display screen 200 and configured to collect light (hereinafter, referred to as external light) outside the electronic device 1000.
It should be noted that: taking the electronic device 1000 such as a mobile phone as an example, the camera mechanism 100 may be used to implement front-end imaging of the electronic device 1000, and may also be used to implement rear-end imaging of the electronic device 1000. That is, the camera mechanism 100 may be either front-mounted or rear-mounted. The front camera may be that the camera mechanism 100 receives light to image on a side close to the display screen 200, and the rear camera may be that the camera mechanism 100 receives light to image on a side away from the display screen 200.
The display screen 200 may be used to provide an image display function for the electronic device 1000, and when a user uses the photographing function of the electronic device 1000, the display screen 200 may present an imaging screen of the camera mechanism 100 for the user to observe and operate. The display screen 200 may include a transparent cover plate, a touch panel, and a display panel, which are sequentially stacked. The surface of the transparent cover plate can have the characteristics of smoothness so as to facilitate touch operations such as clicking, sliding, pressing and the like. The transparent cover plate may be made of rigid material such as glass, or flexible material such as Polyimide (PI) and colorless Polyimide (Colorless Polyimide, CPI). The touch panel is disposed between the transparent cover plate and the display panel, and is configured to respond to a touch operation of a user, and convert the corresponding touch operation into an electrical signal to be transmitted to the processor of the electronic device 1000, so that the electronic device 1000 can respond to the touch operation of the user. The display panel is mainly used for displaying pictures and can be used as an interactive interface for indicating a user to perform the touch operation on the transparent cover plate. The display panel may employ an OLED (Organic Light-Emitting Diode) or an LCD (Liquid CRYSTAL DISPLAY) to realize an image display function of the electronic device 1000. In this embodiment, the transparent cover plate, the touch panel and the display panel may be bonded together by using an adhesive such as OCA (Optically CLEAR ADHESIVE, optical adhesive), PSA (Pressure SENSITIVE ADHESIVE ) or the like.
The housing 300 may be used for mounting various electronic devices required by the electronic apparatus 1000, and the housing 300 and the display screen 200 may together enclose a receiving space 1001. The accommodating space 1001 can be used for installing electronic devices such as an optical sensor, so as to realize functions such as fingerprint unlocking, automatic screen extinction, brightness self-adjustment and the like. The accommodating space 1001 may also be used for mounting electronic devices such as a microphone, a speaker, a flash, a circuit board, and a battery, so as to implement functions such as voice communication, audio playback, and illumination.
Referring to fig. 2 to 12 together, fig. 2 is a schematic perspective view of the popped state of the camera mechanism in the electronic device shown in fig. 1, fig. 3 is a schematic cross-sectional view of the camera mechanism shown in fig. 2 along the A-A direction, fig. 4 is a schematic perspective view of the housing, the positioning plate and the positioning assembly in cooperation in the camera mechanism shown in fig. 3, fig. 5 is a schematic cross-sectional view of the camera mechanism shown in fig. 4 along the B-B direction, fig. 6 is a partially enlarged view of the area C in the camera mechanism shown in fig. 5, fig. 7 is a partially enlarged view of a deformation of the camera mechanism shown in fig. 6, fig. 8 is a schematic perspective view of the camera mechanism shown in fig. 2 in a contracted state, fig. 9 is a schematic cross-sectional view of the camera mechanism shown in fig. 8 along the D-D direction, fig. 10 is a schematic perspective view of the housing, the positioning plate and the positioning assembly in cooperation in the camera mechanism shown in fig. 9, fig. 11 is a schematic cross-sectional view of the camera mechanism shown in the E-E direction, and fig. 12 is a partially enlarged view of the area F shown in fig. 11. Embodiments of the present application provide a camera mechanism 100. The camera mechanism 100 may include a housing 10, a lens 20, at least one set of positioning components 30, and a drive component 40.
The case 10 may include a top plate 11 and a bottom plate 12 disposed in parallel at a distance in a thickness direction thereof, and the top plate 11 is provided with a through hole 110. The lens 20 includes a main body 21 and a positioning plate 22 connected to one end of the main body 21, wherein the positioning plate 22 is located between the top plate 11 and the bottom plate 12. The end of the main body 21 away from the positioning plate 22 is disposed through the through hole 110 and can move in the through hole 110, so that the lens 20 can be ejected from the housing 10 (as shown in fig. 2 and 3) or retracted (as shown in fig. 8 and 9), and further drives the positioning plate 22 to reciprocate between the top plate 11 and the bottom plate 12. The driving assembly 40 is used for driving the lens 20 to move towards the top plate 11 or the bottom plate 12. The positioning assembly 30 is used to make the positioning plate 22 abut against the top plate 11 or the bottom plate 12, so as to realize high-precision positioning of the lens 20.
In the related art, the positioning assembly 30 is typically a resilient structure (not shown), such as a spring, having one end connected to the housing 10 (e.g., the base plate 12) and the other end connected to the positioning plate 22. When the lens 20 is accommodated in the housing 10, the elastic structure is in a compressed state; when the lens 20 pops up from the housing 10, the positioning plate 22 is under the elastic action of the elastic structure, so that the positioning plate 22 can tightly lean against the top plate 11, high-precision positioning of the lens 20 is realized, and the optical system of the camera is ensured to have a good imaging effect all the time.
The use of spring assisted positioning has the following disadvantages: first, the elastic force of the elastic member changes with the change of the stroke, and is sensitive to the change of the stroke. Specifically, as described above, the elastic member is always in a compressed state, and when the lens 20 is accommodated in the housing 10, the elastic force of the elastic member is maximum; when the lens 20 is ejected from the housing 10, the elastic force of the elastic member is minimized. The change of the spring force has higher requirement on the driving component 40 for driving the lens 20 to move, and greatly increases the design difficulty of the driving component 40. Accordingly, in order to meet the driving requirement of the elastic member, the size of the driving assembly 40 is not only difficult to be reduced but also increased. Secondly, the elastic member needs to be matched with the guiding structure to avoid uncontrollable deformation of the elastic member, so that more space of the housing 10 is required to be occupied, which is not beneficial to miniaturization of the camera mechanism 100. In addition, the service life of the elastic piece is limited, the deformation of the elastic piece is usually larger, and the repeated use is unavoidable to reduce the service life of the elastic piece again.
Referring to fig. 5 and 11 together, in the present embodiment, each set of positioning components 30 includes a magnet 31 and a magnetic member 32, one of the magnet 31 or the magnetic member 32 is fixed on the top plate 11 and the bottom plate 12, and the other is fixed on the positioning plate 22, and the magnet 31 interacts with the magnetic member 32 (and adsorbs or repels each other), so that the positioning plate 22 adsorbs to the top plate 11 or to the bottom plate 12, thereby realizing high-precision positioning of the lens 20, and ensuring that the optical system of the camera mechanism 100 always has good imaging effect. It will be appreciated that in one set of positioning assemblies 30, when the magnets 31 are positioned on the positioning plate 22, the number of magnetic members 32 is two and positioned on the top plate 11 and the bottom plate 12, respectively, i.e., the magnets 31 are positioned between the two sets of magnetic members 32; when the magnetic members 32 are located on the positioning plate 22, the number of the magnets 31 is two, and the magnets are located on the top plate 11 and the bottom plate 12, respectively, that is, the magnetic members 32 are located between the two sets of magnets 31.
In other words, the positioning plate 22 is located between the top plate 11 and the bottom plate 12, and due to the positioning assembly 30, the positioning plate 22 always receives three forces during the movement: the first force F1 towards the top plate 11, the second force F2 towards the bottom plate 12 and the third force F3 provided by the drive assembly 40, wherein the sum of the first force F1, the second force F2 and the third force F3 is zero, i.e. f1+f2+f3=0. Normally, when the positioning plate 22 is located at a certain position of the top plate 11 and the bottom plate 12, the first force F1 is equal to the second force F2; when the positioning plate 22 approaches the top plate 11, the distance between the positioning plate 22 and the top plate 11 is smaller than the distance between the positioning plate 22 and the bottom plate 12, the first acting force F1 is larger than the second acting force F2, and the third acting force F3 and the second acting force F2 are arranged in the same direction; when the positioning plate 22 approaches the base plate 12, the first force F1 is smaller than the second force F2, and the third force F3 is disposed in the same direction as the first force F1, because the distance between the positioning plate 22 and the base plate 12 is smaller than the distance between the positioning plate 22 and the base plate 12. That is, no matter where the positioning plate 22 is located between the top plate 11 and the bottom plate 12, the driving assembly 40 only needs to apply a small force to drive the lens 20 assembly to approach the top plate 11 or the bottom plate 12.
It should be noted that the terms "first," "second," and "third" are used herein for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
When the positioning plate 22 reaches the top plate 11, the driving assembly 40 stops driving, i.e. the third acting force F3 is zero, and at this time, the first acting force F1 is far greater than the second acting force F2, so that the positioning plate 22 abuts against and is adsorbed on the top plate 11, thereby realizing high-precision positioning of the lens 20 and ensuring that the optical system of the camera always has a good imaging effect. When the positioning plate 22 reaches the bottom plate 12, the driving assembly 40 stops driving, and the second force F2 is far greater than the first force F1, so that the positioning plate 22 abuts against and is adsorbed on the bottom plate 12, thereby improving the accuracy of resetting the lens 20 and the reliability of matching the lens 20 with the housing 10.
In addition, the magnet 31 is usually a permanent magnet, and the magnetism of the magnet 31 is hardly changed, so that the service life of the magnet 31 can be ensured. Of course, in other embodiments, the magnet 31 may be a coil, the magnetic properties of which increase with increasing coil current, and there is no problem of life degradation. In this embodiment, the magnet 31 is a permanent magnet 31, which has a small volume and is convenient to install, and reduces electrical connection, so that the camera mechanism 100 has a simple structure and good reliability. The magnetic member 32 may be a permanent magnet, or may be a permanent magnet such as a magnet, or may be a ferromagnetic material such as metallic iron, etc., without being limited thereto.
Referring to fig. 3 to 5, fig. 10 to 11, and fig. 13 to 15, fig. 13 is a schematic perspective view of the top plate and the side plate in the camera mechanism shown in fig. 3, fig. 14 is a schematic perspective view of the top plate and the side plate in fig. 13 at another angle, and fig. 15 is a schematic perspective view of the bottom plate in the camera mechanism shown in fig. 3. Specifically, the housing 10 includes a top plate 11 and a bottom plate 12 arranged in parallel at intervals along the thickness direction thereof, and a side plate 13 connecting the top plate 11 and the bottom plate 12, the top plate 11, the bottom plate 12, and the side plate 13 enclose a housing chamber 101, wherein the through hole 110 communicates with the housing chamber 101. One end of the main body 21 connected with the positioning plate 22 is accommodated in the accommodating cavity 101, and the positioning plate 22 is located between the top plate 11 and the bottom plate 12. Wherein, the size of the locating plate 22 is far larger than the size of the through hole 110, so that the locating plate 22 can restrict the main body 21 from being separated from the accommodating cavity 101.
In this embodiment, the top plate 11 and the side plate 13 are integrally formed, and the bottom plate 12 and the side plate 13 are fastened and connected. Specifically, the edge of the bottom plate 12 is provided with a first buckling structure 121, the outer surface of the side plate 13 is provided with a second buckling structure 131, and the first buckling structure 121 and the second buckling structure 131 are in one-to-one correspondence and buckled connection, so that the bottom plate 12 and the side plate 13 are fixed.
As shown in fig. 4 or 10, alternatively, the first fastening structure 121 is one of a fastening frame and a fastening block, and the second fastening structure 131 is the other of the fastening frame and the fastening block, and the fastening frame may be fastened to the fastening block, so that the bottom plate 12 and the side plate 13 are fastened. In the present embodiment, the first fastening structure 121 is a clamping frame extending from the edge of the bottom plate 12, and the second fastening structure 131 is a clamping block located on the outer surface of the side plate 13, so that the bottom plate 12 and the side plate 13 are fastened and connected.
In other embodiments, the bottom plate 12 may be integrally formed with the side plate 13, and the top plate 11 is fastened to the side plate 13, which is not described herein.
Referring to fig. 4, 5, 14 and 15, the housing 10 further includes a guide post 14 connecting the top plate 11 and the bottom plate 12, and the guide post 14 is accommodated in the accommodating cavity 101 and is disposed in the positioning plate 22 in a penetrating manner, so that the positioning plate 22 can reciprocate along the guide post 14. Specifically, the top plate 11 is provided with a first mounting hole 111, the bottom plate 12 is provided with a second mounting hole 120, one end of the guide post 14 is accommodated and fixed in the first mounting hole 111, and the other end is accommodated and fixed in the second mounting hole 120, so that the guide post 14 is fixed with the top plate 11 and the bottom plate 12.
Optionally, the bottom plate 12, the top plate 11 and the side plates 13 may be made of non-magnetic materials, such as non-magnetic stainless steel, plastic, wood, ceramic, etc., so as to reduce the influence of the magnet 31 in the positioning assembly 30 on the optical anti-shake structure and the auto-focusing structure, and improve the reliability of the camera mechanism 100.
Referring to fig. 2, 3, 8, 9 and 16, fig. 16 is a schematic perspective view of a positioning plate in the camera mechanism shown in fig. 3. The lens 20 includes a main body 21 and a positioning plate 22 connected to one end of the main body 21. The cross-sectional dimension of the main body 21 corresponds to the dimension of the through hole 110, so that the main body 21 can reciprocate in the through hole 110, the main body 21 can be ejected from the accommodating cavity 101, and the sealing performance of the main body 21 and the housing 10 can be ensured.
The positioning plate 22 is provided with the guide hole 220, and the guide post 14 is arranged in the guide hole 220 in a penetrating manner, so that the positioning plate 22 can reciprocate along the direction of the guide post 14, and the positioning plate is used for restraining the lens 20 from being ejected or contracted along the preset direction, and the ejection reliability of the lens 20 is improved. The positioning plate 22 is further connected to the driving assembly 40, so that the positioning plate 22 and the main body 21 connected to the positioning plate 22 can reciprocate along the direction of the guide post 14 under the driving of the driving assembly 40.
Referring to fig. 5 to 7, the number of the positioning elements 30 is at least one. The magnet 31 and the magnetic piece 32 in each set of positioning assembly 30 generate magnetic attraction force, and as the magnet 31 or the magnetic piece 32 in each set of positioning assembly 30 is simultaneously fixed on the positioning plate 22, the relative position of the magnet 31 and the corresponding magnetic piece 32 can be automatically adjusted by each set of positioning assembly 30, so that the position of the lens 20 relative to the top plate 11 or the bottom plate 12 can be automatically adjusted by the positioning assembly 30, the reliability of abutting connection between the positioning plate 22 and the top plate 11 or the bottom plate 12 can be improved, the magnet 31 and the magnetic piece 32 in each set of positioning assembly 30 can be accurately aligned, the lens 20 can accurately reach a preset position, and the movement of the lens 20 has higher repeated precision.
Referring to fig. 13 to 16, in the present embodiment, the number of the positioning elements 30 is three, and the three positioning elements 30 are distributed in a triangle shape. The three sets of positioning assemblies 30 are centrally symmetrical about the optical axis of the lens 20, that is, the three sets of positioning assemblies 30 are approximately distributed in an equilateral triangle, so that interference between adjacent positioning assemblies 30 can be reduced, reliability of adsorption of the magnet 31 and the magnetic piece 32 in each set of positioning assemblies 30 is ensured, and reliability of abutting connection of the positioning plate 22 and the top plate 11 or the bottom plate 12 can be effectively improved due to stability of the triangle.
In other embodiments, the number of positioning assemblies 30 may also be one, two, four, or more.
In one embodiment, each positioning assembly 30 may include one magnet 31 and two magnetic members 32, wherein the two magnetic members 32 are a first magnetic member 32a and a second magnetic member 32b, respectively (as shown in fig. 6). The magnet 31 is embedded on the positioning plate 22, the first magnetic member 32a is located on the top plate 11, and the second magnetic member 32b is located on the bottom plate 12. That is, the magnet 31 is located between the first magnetic member 32a and the second magnetic member 32b, and since the positioning plate 22 can reciprocate between the top plate 11 and the top plate 11, the magnet 31 can move between the first magnetic member 32a and the second magnetic member 32b, and the magnet 31 can be attracted to the first magnetic member 32a or the second magnetic member 32 b.
Alternatively, the line connecting the magnet 31 and the magnetic member 32 in each set of positioning assemblies 30 is parallel to the optical axis of the lens 20. Specifically, in each set of positioning assemblies 30, the connecting lines of the first magnetic element 32a, the magnet 31 and the second magnetic element 32b are straight lines, and the connecting lines of the first magnetic element 32a, the magnet 31 and the second magnetic element 32b are parallel to the optical axis of the lens 20. In other words, the magnet 31 may be completely overlapped with the first magnetic member 32a or the second magnetic member 32b along the optical axis direction of the lens 20, so that the attraction force between the magnet 31 and the first magnetic member 32a or the second magnetic member 32 is maximized, and the reliability of the attraction connection between the magnet 31 and the first magnetic member 32a or the second magnetic member 32b is improved.
Further, the positioning plate 22 is provided with a mounting groove 221 penetrating the positioning plate 22, and the magnet 31 is accommodated in the mounting groove 221. Specifically, a first clamping structure 2211 is disposed on an inner wall of the mounting groove 221, a second clamping structure 301 corresponding to the first clamping structure 2211 is disposed on the magnet 31, and the first clamping structure 2211 and the second clamping structure 301 are clamped to each other, so that the magnet 31 is clamped in the mounting groove 221, and the magnet 31 is prevented from being separated from the positioning plate 22 under the attraction of the first magnetic member 32a or the second magnetic member 32 b.
Optionally, the first clamping structure 2211 is one of a clamping groove and a protruding block, and the second clamping structure 301 is the other of the clamping groove and the protruding block, and the clamping groove can be clamped with the protruding block, so that the magnet can be clamped and connected to the positioning plate 22, and the magnet 31 is prevented from being separated from the positioning plate 22 under the adsorption of the first magnetic piece 32a or the second magnetic piece 32b.
Further, the positioning plate 22 has a first surface 22a and a second surface 22b disposed opposite to each other, and the mounting groove 221 penetrates the first surface 22a and the second surface 22b. The magnet 31 received in the mounting groove 221 has an upper surface 30a and a lower surface 30b disposed opposite each other, wherein the upper surface 30a is flush with the first surface 22a and the lower surface 30b is flush with the second surface 22b. By the arrangement, on one hand, the positioning plate 22 can have larger stroke between the top plate 11 and the bottom plate 12, so that focusing of the lens 20 is facilitated, and on the other hand, consistency of the positioning plate 22 and the magnet 31 can be improved, and space occupied by the magnet 31 in the accommodating cavity 101 is reduced. In other embodiments, upper surface 30a may also be slightly lower than first surface 22a and/or lower surface 30b may be slightly lower than second surface 22b.
Alternatively, the positioning plate 22 may have a first surface 22a and a second surface 22b disposed opposite to each other, and a mounting hole (not shown) between the first surface 22a and the second surface 22b, in which the magnet 31 may be received. So set up for magnet 31 inlays completely in locating plate 22, no matter locating plate 22 is supported by roof 11 or support by bottom plate 12, magnet 31 does not all the time with first magnetic part 32a, second magnetic part 32b direct contact, can satisfy locating plate 22 and roof 11 or bottom plate 12's location demand, can effectively control the adsorption affinity size of magnet 31 to first magnetic part 32a, second magnetic part 32b again to reduce drive assembly 40's performance demand.
Optionally, the top plate 11 is provided with a first fixing hole 112, and the first magnetic member 32a is at least partially embedded in the first fixing hole 112. The surface of the top plate 11 facing the bottom plate 12 is provided with a first spacer 113, and the first spacer 113 is used to set the magnet 31 in a gap with the first magnetic member 32 a. By the arrangement, the magnet 31 and the first magnetic member 32a can be arranged in a gap, so that the attraction force of the magnet 31 to the first magnetic member 32a can be effectively controlled, and the performance requirement of the driving assembly 40 can be reduced. In this embodiment, the first spacers 113 are isolation columns, and the number of the isolation columns is two and located at two sides of the first fixing hole 112. The end of the first spacer 113 away from the top plate 11 may abut against the positioning plate 22, so that the first magnetic member 32a is disposed in a gap with the magnet 31. In other embodiments, the first spacer 113 may be a spacer frame, and the spacer frame is disposed around the edge of the first fixing frame, so that the first magnetic member 32a is received in the spacer frame.
The bottom plate 12 may be provided with a second fixing hole 122, the second magnetic member 32b is at least partially embedded in the second fixing hole 122, the surface of the bottom plate 12 facing the top plate 11 may be provided with a second spacer 123, and the second spacer 123 is used to enable the magnet 31 and the second magnetic member 32b to be disposed in a gap. By the arrangement, the magnet 31 and the second magnetic member 32b can be arranged in a gap, so that the attraction force of the magnet 31 to the second magnetic member 32b can be effectively controlled, and the performance requirement of the driving assembly 40 can be reduced. In this embodiment, the second spacers 123 are isolation columns, and the number of the isolation columns is two and located at two sides of the first fixing hole 112. The end of the second spacer 123 remote from the top plate 11 may abut against the positioning plate 22, so that the second magnetic member 32b is disposed in a gap with the magnet 31. In other embodiments, the second isolation member 123 may be an isolation frame, and the isolation frame is enclosed by the first fixing frame edge, so that the second magnetic member 32b is accommodated in the isolation frame.
In yet another embodiment, each positioning assembly 30 may include one magnetic member 32 and two magnets 31, wherein the two magnets 31 are a first magnet 31a and a second magnet 31b, respectively (as shown in fig. 7). The magnetic member 32 is embedded on the positioning plate 22, the first magnet 31a is located on the top plate 11, and the second magnet 31b is located on the bottom plate 12. That is, the magnetic member 32 is located between the first magnet 31a and the second magnet 31b, and the positioning plate 22 can reciprocate between the top plate 11 and the top plate 11, so that the magnetic member 32 can move between the first magnet 31a and the second magnet 31b and further be attracted to the first magnet 31a or the second magnet 31 b.
Alternatively, the line connecting the magnet 31 and the magnetic member 32 in each set of positioning assemblies 30 is parallel to the optical axis of the lens 20. Specifically, in each set of positioning assemblies 30, the connecting lines of the first magnet 31a, the magnetic member 32 and the second magnet 31b are in a straight line, and the connecting lines of the first magnet 31a, the magnetic member 32 and the second magnet 31b are parallel to the optical axis of the lens 20. In other words, the magnetic member 32 may completely overlap with the first magnet 31a or the second magnet 31b along the optical axis direction of the lens 20, so as to maximize the adsorption force between the magnetic member 32 and the first magnet 31a or the second magnet 31b, and improve the reliability of the adsorption connection between the magnetic member 32 and the first magnet 31a or the second magnet 31 b.
Further, the positioning plate 22 is provided with a mounting groove 221 penetrating the positioning plate 22, and the magnetic member 32 is accommodated in the mounting groove 221. Specifically, the inner wall of the mounting groove 221 is provided with a first clamping structure 2211, the magnetic member 32 is provided with a second clamping structure 301 corresponding to the first clamping structure 2211, and the first clamping structure 2211 and the second clamping structure 301 are clamped to each other, so that the magnetic member 32 is clamped in the mounting groove 221, and the magnetic member 32 is prevented from being separated from the positioning plate 22 under the attraction of the first magnet 31a or the second magnet 31 b.
Optionally, the first clamping structure 2211 is one of a clamping groove and a protruding block, and the second clamping structure 301 is the other of the clamping groove and the protruding block, and the clamping groove can be clamped with the protruding block, so that the magnetic piece 32 can be clamped and connected to the positioning plate 22, and the magnetic piece 32 is prevented from being separated from the positioning plate 22 under the adsorption of the first magnet 31a or the second magnet 31 b.
Further, the positioning plate 22 has a first surface 22a and a second surface 22b disposed opposite to each other, and the mounting groove 221 penetrates the first surface 22a and the second surface 22b. The magnetic member 32 received in the mounting groove 221 has an upper surface 30a and a lower surface 30b disposed opposite to each other, wherein the upper surface 30a is flush with the first surface 22a, and the lower surface 30b is flush with the second surface 22b. By the arrangement, on one hand, the positioning plate 22 can have larger stroke between the top plate 11 and the bottom plate 12, so that focusing of the lens 20 is facilitated, and on the other hand, consistency of the positioning plate 22 and the magnetic piece 32 can be improved, and space occupied by the magnetic piece 32 in the accommodating cavity 101 is reduced. In other embodiments, upper surface 30a may also be slightly lower than first surface 22a and/or lower surface 30b may be slightly lower than second surface 22b.
Alternatively, the positioning plate 22 may have a first surface 22a and a second surface 22b disposed opposite to each other, and a mounting hole between the first surface 22a and the second surface 22b, in which the magnetic member 32 may be received. So set up for magnetic part 32 inlays completely in locating plate 22, no matter locating plate 22 is supported by roof 11 or support by bottom plate 12, magnetic part 32 is not with first magnet 31a, second magnet 31b direct contact all the time, can satisfy locating plate 22 and roof 11 or bottom plate 12's location demand, can effectively control the adsorption affinity size of magnetic part 32 to first magnet 31a, second magnet 31b again to reduce drive assembly 40's performance demand.
Referring to fig. 6, 7 and 14, optionally, a first fixing hole 112 is formed in the top plate 11, and the first magnet 31a is at least partially embedded in the first fixing hole 112. The surface of the top plate 11 facing the bottom plate 12 is provided with a first spacer 113, and the first spacer 113 is used to set the magnetic member 32 in a gap with the first magnet 31 a. By the arrangement, the magnetic member 32 and the first magnet 31a can be arranged in a gap, so that the attraction force of the magnetic member 32 to the first magnet 31a can be effectively controlled, and the performance requirement of the driving assembly 40 can be reduced. In this embodiment, the first spacers 113 are isolation columns, and the number of the isolation columns is two and located at two sides of the first fixing hole 112. The end of the first spacer 113 away from the top plate 11 may abut against the positioning plate 22, so that the first magnet 31a is disposed in a gap with the magnetic member 32. In other embodiments, the first spacer 113 may be a spacer frame, and the spacer frame is disposed around the edge of the first fixing frame, so that the first magnet 31a is accommodated in the spacer frame.
Referring to fig. 6, 7 and 15, the bottom plate 12 may be provided with a second fixing hole 122, the second magnet 31b is at least partially embedded in the second fixing hole 122, the surface of the bottom plate 12 facing the top plate 11 may be provided with a second spacer 123, and the second spacer 123 is used for setting the magnetic member 32 and the second magnet 31b in a gap. By the arrangement, the magnetic member 32 and the second magnet 31b can be arranged in a gap, so that the attraction force of the magnetic member 32 to the second magnet 31b can be effectively controlled, and the performance requirement of the driving assembly 40 can be reduced. In this embodiment, the second spacers 123 are isolation columns, and the number of the isolation columns is two and located at two sides of the first fixing hole 112. The end of the second spacer 123 remote from the top plate 11 may abut against the positioning plate 22 such that the second magnet 31b is disposed in a gap with the magnetic member 32. In other embodiments, the second spacer 123 may be a spacer frame, and the spacer frame is disposed around the edge of the first fixing frame, so that the second magnet 31b is accommodated in the spacer frame.
That is, the positioning plate 22 has a mounting groove 221 penetrating the positioning plate 22, and the magnet 31 or the magnetic member 32 is accommodated in the mounting groove 221; the inner wall of the mounting groove 221 is provided with a first clamping structure 2211, the magnet 31 or the magnetic piece 32 accommodated in the mounting groove 221 is provided with a second clamping structure 301, and the first clamping structure 2211 is clamped with the second clamping structure 301 and used for clamping the magnet 31 or the magnetic piece 32 in the mounting groove 221 so as to prevent the magnet 31 or the magnetic piece 32 accommodated in the mounting groove 221 from being separated from the mounting groove 221.
According to the camera mechanism 100 provided by the embodiment of the application, one of the magnet 31 and the magnetic piece 32 is fixed on the bottom plate 12 and the top plate 11, and the other is fixed on the positioning plate 22, the magnet 31 interacts with the magnetic piece 32 to enable the positioning plate 22 to be close to the top plate 11 or the bottom plate 12, so that the positioning plate 22 of the lens 20 can be adsorbed on the top plate 11 or the bottom plate 12, high-precision positioning of the lens 20 is realized, and a good imaging effect of an optical system of the camera is ensured all the time; in addition, due to the interaction of the magnet 31 and the magnetic member 32, no matter where the positioning plate 22 is located between the top plate 11 and the bottom plate 12, the driving assembly 40 only needs to apply a small force to drive the lens 20 assembly to approach the top plate 11 or the bottom plate 12, so that the performance requirement of the driving assembly 40 can be reduced.
Referring to fig. 17, fig. 17 is a schematic cross-sectional view of a magnetic positioning mechanism according to an embodiment of the application. Embodiments of the present application also include a magnetic positioning mechanism 600, where the magnetic positioning mechanism 600 may include a top plate 11 and a bottom plate 12 disposed in parallel and spaced apart relation, a positioning plate 22 positioned between the top plate 11 and the bottom plate 12, and a positioning assembly 30, where the positioning plate 22 is capable of reciprocating between the top plate 11 and the bottom plate 12, the positioning assembly 30 includes a magnet 31 and a magnetic member 32, one of the magnet 31 and the magnetic member 32 being fixed to the bottom plate 12 and the top plate 11, the other being fixed to the positioning plate 22, the magnet 31 interacting with the magnetic member 32 for positioning the positioning plate 22 proximate to the top plate 11 or the bottom plate 12.
The foregoing description is only a partial embodiment of the present application, and is not intended to limit the scope of the present application, and all equivalent devices or equivalent processes using the descriptions and the drawings of the present application or directly or indirectly applied to other related technical fields are included in the scope of the present application.
Claims (10)
1. A camera mechanism, comprising:
the shell comprises a top plate and a bottom plate which are arranged in parallel at intervals, and through holes are formed in the top plate;
the lens comprises a main body part and a positioning plate connected to one end of the main body part, the positioning plate is positioned between the top plate and the bottom plate, one end of the main body part, which is far away from the positioning plate, is penetrated in the through hole and can move in the through hole, and then the positioning plate is driven to reciprocate between the top plate and the bottom plate; and
At least one set of positioning assemblies including a magnet and a magnetic member, one of the magnet and the magnetic member being secured to the bottom plate and the top plate, the other being secured to the positioning plate, the magnet interacting with the magnetic member for bringing the positioning plate into proximity with the top plate or the bottom plate, the magnet and the magnetic member being attracted to each other;
And the driving assembly is used for driving the lens to move towards the direction of the top plate or the bottom plate.
2. The camera mechanism of claim 1, wherein the number of positioning assemblies is three, and the three positioning assemblies are arranged in a triangle.
3. The camera mechanism of claim 1, wherein a line connecting the magnet and the magnetic member in each set of the positioning assembly is parallel to an optical axis of the lens.
4. A camera mechanism according to any one of claims 1 to 3, wherein the positioning plate has a mounting slot therethrough in which the magnet or the magnetic member is received; the inner wall of the mounting groove is provided with a first clamping structure, a magnet or a magnetic piece accommodated in the mounting groove is provided with a second clamping structure, and the first clamping structure is clamped with the second clamping structure and is used for clamping the magnet or the magnetic piece in the mounting groove.
5. The camera mechanism of claim 4, wherein the positioning plate has first and second opposed surfaces, the mounting slot extending through the first and second surfaces; the magnet or magnetic piece accommodated in the mounting groove is provided with an upper surface and a lower surface which are opposite, wherein the upper surface is flush with the first surface, and the lower surface is flush with the second surface.
6. A camera mechanism according to any one of claims 1 to 3, wherein the positioning plate has first and second surfaces which are opposed, and a mounting hole between the first and second surfaces, the magnet or the magnetic member being received in the mounting hole.
7. The camera mechanism according to claim 1, wherein a first fixing hole is formed in the top plate, and the magnet or the magnetic member is at least partially embedded in the first fixing hole; the surface of the top plate facing the bottom plate is provided with a first spacer for enabling the magnet to be in clearance arrangement with the magnetic piece.
8. The camera mechanism according to claim 1, wherein a second fixing hole is formed in the base plate, and the magnet or the magnetic member is at least partially embedded in the second fixing hole; the surface of the bottom plate facing the top plate is provided with a second spacer for enabling the magnet to be in clearance arrangement with the magnetic piece.
9. A magnetic positioning mechanism, comprising:
a top plate and a bottom plate arranged in parallel at intervals;
The positioning plate is positioned between the top plate and the bottom plate and can reciprocate between the top plate and the bottom plate; and
A positioning assembly comprising a magnet and a magnetic member, one of the magnet and the magnetic member being secured to the bottom plate and the top plate, the other being secured to a positioning plate, the magnet interacting with the magnetic member for bringing the positioning plate into proximity with the top plate or the bottom plate, the magnet and the magnetic member being attracted to each other;
And the driving assembly is used for driving the positioning plate to move towards the direction of the top plate or the bottom plate.
10. An electronic device, comprising:
A housing;
the display screen and the shell are surrounded to form a containing space; and
The camera mechanism according to any one of claims 1 to 8, which is accommodated in the accommodation space, wherein the camera mechanism is capable of collecting light outside the accommodation space.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111641664.2A CN114338991B (en) | 2021-12-29 | 2021-12-29 | Magnetic positioning mechanism, camera mechanism and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111641664.2A CN114338991B (en) | 2021-12-29 | 2021-12-29 | Magnetic positioning mechanism, camera mechanism and electronic equipment |
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| CN114338991A CN114338991A (en) | 2022-04-12 |
| CN114338991B true CN114338991B (en) | 2024-04-23 |
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| CN202111641664.2A Active CN114338991B (en) | 2021-12-29 | 2021-12-29 | Magnetic positioning mechanism, camera mechanism and electronic equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112887549A (en) * | 2021-01-22 | 2021-06-01 | 维沃移动通信有限公司 | Electronic device |
| CN113242375A (en) * | 2021-06-11 | 2021-08-10 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113422898A (en) * | 2021-07-26 | 2021-09-21 | Oppo广东移动通信有限公司 | Camera module and electronic equipment |
| CN214380984U (en) * | 2021-01-28 | 2021-10-08 | 南昌欧菲光电技术有限公司 | Mobile terminal equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130141541A1 (en) * | 2010-06-11 | 2013-06-06 | Hysonic. Co., Ltd. | Compact camera actuator and compact stereo-scopic image photographing device |
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- 2021-12-29 CN CN202111641664.2A patent/CN114338991B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112887549A (en) * | 2021-01-22 | 2021-06-01 | 维沃移动通信有限公司 | Electronic device |
| CN214380984U (en) * | 2021-01-28 | 2021-10-08 | 南昌欧菲光电技术有限公司 | Mobile terminal equipment |
| CN113242375A (en) * | 2021-06-11 | 2021-08-10 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113422898A (en) * | 2021-07-26 | 2021-09-21 | Oppo广东移动通信有限公司 | Camera module and electronic equipment |
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