CN220043559U - Lens telescopic structure and camera - Google Patents

Abstract

The utility model discloses a lens telescopic structure and a camera, comprising: a cylindrical lens holder, in which a guide rail shaft is axially disposed; the bracket component is arranged on the guide rail shaft and is provided with a rack along the direction of the parallel guide rail shaft; the driving motor is arranged in the lens seat, and a gear of the rotating shaft of the driving motor is matched with the rack to drive the bracket component to slide along the guide rail shaft; the lens module is partially or wholly arranged on the bracket component and moves along with the bracket component. The lens telescopic structure directly drives the lens module to axially move in a linear driving mode, the required motor thrust is small, compared with the larger thrust required by the traditional camera, the lens telescopic structure is easier to select a proper motor, the product design process is simplified, the cost is reduced, and meanwhile, the motor selectivity is improved. And the outer ring of the lens base is arranged on the lens position of the camera host in a detachable manner, and meanwhile, the lens has a telescopic function, so that the playability of the camera can be improved, and the motion effect similar to that of a single-lens reflex camera can be achieved.

Description

Lens telescopic structure and camera

Technical Field

The present utility model relates to the field of camera technologies, and in particular, to a lens telescopic structure and a camera.

Background

With the popularization of mobile electronic devices, technologies related to camera modules (for capturing images, such as video or images) of mobile electronic devices have been rapidly developed and advanced, and in recent years, camera modules have been widely used in various fields such as medical treatment, security, industrial production, and the like. Recently, as portable terminals such as smartphones, which are popular due to the development of mobile communication technology, are miniaturized and lightweight camera modules, at least one or more camera modules are disposed on a portable terminal body. In order to meet the increasingly wide market demands, the characteristics of high pixels, high frame rate and the like of the camera module are irreversible development trends of the existing camera module.

Currently, the lens telescoping function in a traditional camera is realized by constructing threads on the outer ring of the lens, and setting up a spiral slide rail and an external independent screw in the assembly. This mode needs great thrust in cooperation with the motor and the gear, and is complicated in structure. In the aspect of mold development, the cost is higher, a plurality of groups of gears are needed for coordination, and the assembly is inconvenient.

Disclosure of Invention

The utility model provides a lens telescopic structure and a camera for solving the technical problems in the prior art.

The technical scheme adopted by the utility model is as follows:

the utility model provides a lens telescopic structure, which comprises:

a cylindrical lens holder, wherein a guide rail shaft is arranged in the lens holder along the axial direction of the lens holder;

the bracket component is arranged in the lens seat, is connected with the guide rail shaft in a sliding way, and is provided with a rack along the direction parallel to the guide rail shaft;

the driving motor is arranged in the lens seat, and a gear of a rotating shaft of the driving motor is matched with the rack to drive the bracket assembly to slide along the guide rail shaft;

and the lens module is arranged in the bracket assembly and moves along with the bracket assembly to adjust the position.

The bracket assembly includes: the lens module comprises a main support and a rack cover, wherein annular end plates corresponding to the lens modules are arranged at two ends of the main support, guide rail seats penetrating through the guide rail shafts are arranged at two opposite sides of the main support, the rack cover is arranged on the upper side face of the main support, and racks are arranged on the outer side of the rack cover.

The lens mount includes: the lens base outer ring and the lens base front ring which are coaxially arranged are connected between the first installation partition board of the lens base outer ring and the second installation partition board of the lens base front ring through the guide rail shaft, and an opening for the bracket component to pass through is formed in the middle of the first installation partition board and the second installation partition board.

Further, a lens end cover outer ring is mounted on the outer side of the second mounting partition plate of the front lens base ring, and the lens end cover outer ring is connected with the bracket assembly and moves along with the bracket assembly.

Further, a decorative aluminum ring is sleeved on the front ring of the lens base.

Further, an end cover decorative ring is arranged on the outer end face of the front ring of the lens end cover outer ring.

Further, a motor mounting groove is formed in the position, close to the side wall, of the outer ring of the lens base, and the driving motor is mounted in the motor mounting groove.

Preferably, the photosensitive element of the lens module is mounted at one end of the lens and moves along with the bracket assembly or the lens to adjust the position.

Preferably, the photosensitive element of the lens module is mounted on the host.

The utility model also provides a camera comprising the lens telescopic structure.

Compared with the prior art, the lens telescopic structure and the camera provided by the utility model directly drive the lens module or the lens of the lens module to axially move in a linear driving mode, the thrust of the required motor is smaller, and compared with the larger thrust required by the traditional camera, the lens telescopic structure and the camera are easier to select an appropriate motor, so that the product design process can be simplified, the cost is reduced, and meanwhile, the selectivity of the motor is improved.

The camera host is connected with the outer ring of the lens base in a screw connection mode, the whole lens telescopic structure is arranged on the lens position of the camera host, the photosensitive element can be fixedly arranged on the lens position of the host, or the photosensitive element is directly arranged on the lens telescopic structure, the telescopic structure is simple and reliable, the cost is low, the playability of the camera can be improved, and the motion effect similar to that of a single-lens reflex camera is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that 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 embodiment of the present utility model;

FIG. 2 is a schematic diagram of a part of the components according to the embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a part of the components according to the embodiment of the present utility model;

FIG. 4 is a schematic perspective view of a camera according to an embodiment of the present utility model;

1. a lens base; 11. an outer ring of the lens base; 12. a front ring of the lens base; 13. an outer ring of the lens end cover;

2. a main support; 21. a rack cover; 121. a guide rail shaft; 122. decorating an aluminum ring;

131. an end cover decorative ring; 4. a drive motor; 41. a gear; 42. a fixing member; 5. and a host.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The principles and structures of the present utility model are described in detail below with reference to the drawings and the examples.

Currently, the lens telescoping function in a traditional camera is realized by constructing threads on the outer ring of the lens, and setting up a spiral slide rail and an external independent screw in the assembly. This mode needs great thrust in cooperation with the motor and the gear, and is complicated in structure. In the aspect of mold development, the cost is higher, a plurality of groups of gears are needed for coordination, and the assembly is inconvenient. In this regard, the utility model provides a lens telescopic structure, which drives the whole lens module to axially move in a linear driving manner, so that the lens module moves to a required position, and the required motor has smaller thrust. And can be directly installed on the camera host, easy dismounting.

As shown in fig. 1 to 3, the present utility model proposes a lens telescopic structure, comprising: the lens seat 1, the bracket component, the driving motor 4 and the lens end cover outer ring 13, the lens seat 1 is cylindrical, one end of the lens seat 1 is detachably connected with a host of the camera, and a plurality of guide rail shafts 121 are arranged in the lens seat 1 along the axial direction and near the inner side wall; the bracket component is arranged in the lens seat 1 and matched with the guide rail shaft 121, can slide in the lens seat 1 along the guide rail shaft 121 of the lens seat 1, and is provided with a rack on the outer side surface, and the length direction of the rack is parallel to the length direction of the guide rail shaft 121; the driving motor 4 is arranged in the lens seat 1, a gear 41 is sleeved on a rotating shaft of the driving motor 4, the gear 41 is matched with racks on the bracket component, and the bracket component can be driven to slide along the directions of the two ends of the guide rail axial lens seat 1 by forward and reverse rotation of the driving motor 4; the lens of the lens module 3 and the photosensitive element positioned at the left end of the lens are arranged on the bracket component and move along with the bracket component, thereby achieving the purpose of moving the lens module. The lens end cover outer ring is arranged at the other end of the lens seat and is connected with the bracket component, and can move along with the bracket component. The lens telescopic mechanism can be installed on a handheld video camera, a digital camera and a similar single-lens reflex camera, so that the lens module of the camera can be adjusted to be away from the main machine body, and the playability of the camera is improved.

Specifically, the gear 41 on the driving motor 4 is limited by the fixing piece 42, so that the gear is prevented from falling off from the rotating shaft on the driving motor.

In a specific embodiment, the bracket assembly comprises: the main support 2 and the rack cover 21, the upside and both ends of the main support 2 are opened for installing rack cover 21 and the camera lens module, wherein the main support 2 specifically includes two annular end plates, a left end plate and a right end plate respectively, and three side plates connected between the left end plate and the right end plate, and guide rail seats are respectively arranged on the two side plates located on two opposite sides and used for penetrating four guide rail shafts 121, so that the main support 2 can slide back and forth along the guide rail shafts 121. The lens module is installed in the main bracket 2 and is fixed by screws passing through the side plate positioned below.

The rack cover 21 is installed on the upper side of the main support, the two sides of the rack cover 21 downwards extend out of the buckles, corresponding clamping blocks are arranged on the side edges of the two opposite sides of the main support 2, the rack cover 21 is pressed downwards towards the main support, the buckles can be buckled on the clamping blocks, particularly the bayonets on the buckles are buckled into the clamping blocks, so that the rack cover 21 is connected with the main support 2 in a buckling mode, and the buckles are reinforced through screws.

The left end of the lens module 3 is provided with an end plate seat, and the lens module 3 is inserted into the main support 2 during installation until the end plate seat is buckled at the outer side of the left end plate, and the installation mode of screwing the screw after the lens module is inserted into the main support is stable and reliable in structure.

In addition, the lens telescopic structure provided by the utility model specifically further comprises: the PFC flexible circuit board and the PCB are arranged in the lens base and are used for connecting the lens module, and the PCB can be a detection board specifically, so that specific circuit control is not an important point of the utility model and is not described in detail.

In a specific embodiment, the lens mount specifically includes: a lens base outer ring 11 and a lens base front ring 12, the outer surfaces of which are cylindrical. A mounting groove for mounting the driving motor 4 is arranged in the outer ring 11 of the lens base close to the upper side wall. The lens base outer ring 11 is internally provided with a first installation partition plate (the first installation partition plate is perpendicular to the axial direction of the lens base outer ring), the middle of the first installation partition plate is provided with a square opening, the first installation partition plate is used for penetrating through the left end plate of the main support 2 or the end plate seat of the lens module 3 when the main support 2 moves, the first installation partition plate is positioned at the upper part of the square opening and is provided with a mounting groove of a driving motor, and the periphery of the first installation partition plate surrounding the square opening is provided with a threaded column for threaded connection. The front ring of the lens base is also internally provided with a partition plate, in particular a second installation partition plate (the second installation partition plate is perpendicular to the axial direction of the front ring of the lens base), the middle of the second installation partition plate is provided with a square opening, the second installation partition plate is used for penetrating through the right end plate of the main support or the right end of the lens module when the main support moves, and the second installation partition plate surrounds the periphery of the square opening to be provided with a threaded column for being in threaded connection with the outer ring 11 of the lens base and the front ring 12 of the lens base. The guide rail shaft is connected between a first installation baffle plate of the outer ring of the lens base and a second installation baffle plate of the front ring of the lens base, namely, two ends of the guide rail shaft are respectively arranged on the first installation baffle plate and the second installation baffle plate.

The lens end cover outer ring 13 is arranged on the outer side of the front ring of the lens base, namely the outer side of the second installation partition plate (the inner side of the front ring of the lens base is provided with the outer ring of the lens base), and a transparent glass sheet (plane mirror) is arranged on the outer ring of the lens end cover, so that dust or peculiar smell is prevented from entering the lens base from the end. The end face of the lens end cover outer ring 13 is provided with screw mounting holes, the right end plate of the main support 2 is also provided with four connecting seats, in particular to a threaded connecting seat, and the screw is used for penetrating through the screw mounting holes of the end face of the lens end cover outer ring 13 and connecting the threaded connecting seat with a square opening arranged in the middle of the second mounting partition plate to connect the lens end cover outer ring 13 with the main support 2. The lens end cover outer ring 13 can move along with the main bracket 2.

Specifically, the end face of the outer ring of the lens end cover is further stuck with an end cover decorative ring 131, and the end cover decorative ring 131 can block screw holes on the outer ring of the lens end cover.

In a specific embodiment, a lens decorative aluminum ring 122 is sleeved on the front ring of the lens base. And the outer ring 11 of the lens base and the front ring 12 of the lens base are provided with anti-skid patterns, so that the lens base is convenient to take and put.

The lens module specifically includes a lens and a photosensitive element at one end of the lens, and in other embodiments (the implementation is not shown in the figure), the lens and the photosensitive element of the lens module are separately installed, the photosensitive element of the lens module is installed on the host, and the lens of the lens module is installed on the main support of the support assembly, so that the lens can move alone along with the support assembly without the photosensitive element moving, thereby avoiding affecting the photosensitive element.

The utility model also provides a camera comprising the lens telescopic structure. The camera may be a hand-held video camera, a digital still camera, and a quasi-single lens reflex camera. The method can be particularly applied to the quasi-single-lens reflex camera. As shown in fig. 4, the lens-like single lens reflex specifically includes a camera host and the lens telescopic structure described above, specifically, the outer ring 11 of the lens base is connected with the camera host by means of a screw connection, and the whole lens (i.e. the lens telescopic structure) is mounted on the lens position of the camera host, and meanwhile, the lens has a telescopic function, and the telescopic structure is simple and reliable, so that the playability of the camera can be improved, and the movement effect similar to that of the single lens reflex can be achieved.

The telescopic structure of the camera is different from the telescopic mechanism of the traditional camera, and the simplification of the structure is realized by simplifying the construction of threads and sliding rails and reducing the number of components. This makes the installation and assembly process more convenient and quick. Because the telescopic mechanism of the utility model is designed to use smaller thrust, the telescopic mechanism is easier to select an appropriate motor than the larger thrust required by the traditional camera. This simplifies the product design process and reduces the cost while improving the motor's options.

In addition to the above advantages, the technical solution of the present utility model may also have other advantages, such as a faster telescoping speed, lower energy consumption, more reliable performance, etc. These advantages will further enhance the use experience and market competitiveness of the camera.

It is noted that the above-mentioned terms are used merely to describe specific embodiments, and are not intended to limit exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A lens telescopic structure, characterized by comprising:

a cylindrical lens seat, wherein a guide rail shaft is arranged in the lens seat along the axial direction of the lens seat, and one end of the guide rail shaft is detachably connected with a host of the camera;

the bracket component is arranged in the lens seat, is connected with the guide rail shaft in a sliding way, and is provided with a rack along the direction parallel to the guide rail shaft;

the driving motor is arranged in the lens seat, and a gear of a rotating shaft of the driving motor is matched with the rack to drive the bracket assembly to slide along the guide rail shaft;

the lens module is arranged in the bracket assembly, and moves along with the bracket assembly to adjust the position;

the lens end cover outer ring is arranged at the other end of the lens seat and is connected with the bracket component to move along with the bracket component.

2. The lens telescopic structure according to claim 1, wherein the bracket assembly includes: the lens module comprises a main support and a rack cover, wherein annular end plates corresponding to the lens modules are arranged at two ends of the main support, guide rail seats penetrating through the guide rail shafts are arranged at two opposite sides of the main support, the rack cover is arranged on the upper side face of the main support, and racks are arranged on the outer side of the rack cover.

3. The lens telescopic structure according to claim 1, wherein the lens mount includes: the lens base outer ring and the lens base front ring which are coaxially arranged are connected between the first installation partition board of the lens base outer ring and the second installation partition board of the lens base front ring through the guide rail shaft, and an opening for the bracket component to pass through is formed in the middle of the first installation partition board and the second installation partition board.

4. The lens telescopic structure according to claim 3, wherein the outer side of the second mounting partition plate of the front ring of the lens base is provided with the outer ring of the lens end cover, and the outer ring of the lens end cover is connected with the bracket component through screws.

5. A lens telescopic structure according to claim 3, wherein a decorative aluminum ring is sleeved on the front ring of the lens base.

6. A lens telescopic structure according to claim 3, wherein an end cover decorative ring is mounted on the outer end surface of the front ring of the lens end cover outer ring.

7. A lens telescopic structure according to claim 3, wherein a motor mounting groove is formed in the outer ring of the lens base at a position close to the side wall, and the driving motor is mounted in the motor mounting groove.

8. The lens telescopic structure as claimed in claim 1, wherein the photosensitive element of the lens module is installed at one end of the lens and moves to an adjustment position following the bracket assembly or the lens.

9. The lens expansion structure of claim 1, wherein the photosensitive element of the lens module is mounted on the host.

10. A camera comprising the lens telescopic structure according to any one of claims 1 to 9.