CN112135019A

CN112135019A - Photographing apparatus

Info

Publication number: CN112135019A
Application number: CN202010936743.5A
Authority: CN
Inventors: 关宏杰; 叶展; 颜财盛
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-12-25
Anticipated expiration: 2040-09-08
Also published as: CN112135019B; CN115278003B; CN115278003A

Abstract

The application provides a photographing apparatus. The photographing apparatus includes a front cover, an image sensor board, a moving assembly, a rotating assembly, and a motor assembly. The front cover includes a lens mount surface. The image sensor board is provided with an image sensor. The moving component comprises a driving motor and a moving piece, and the moving piece is driven by the driving motor to move back and forth along the direction vertical to the lens mounting surface. The rotating component is arranged between the moving component and the image sensor plate and comprises a connecting piece and a rotating piece, and the rotating piece is configured to rotate back and forth relative to the lens mounting surface so as to adjust an included angle between the light receiving surface of the image sensor and the lens mounting surface. The motor component drives the rotating piece to rotate back and forth relative to the lens mounting surface. Through the combined arrangement of the moving component and the rotating component, the light receiving surface of the image sensor can move back and forth relative to the lens mounting surface and can rotate back and forth relative to the lens mounting surface, so that the focusing area can be adjusted, and the shot image is clearer.

Description

Photographing apparatus

Technical Field

The application relates to the technical field of camera shooting, in particular to shooting equipment.

Background

In the existing shooting device, a focal plane focused during shooting is not consistent with an image pickup plane of a shot object to be actually shot, so that a shot image is relatively clear in a focus area, and the shot image is relatively fuzzy outside the focus area.

Disclosure of Invention

The application provides an improved shooting equipment, can adjust the angle of image sensor's sensitive surface, and then can adjust shooting equipment's focus area for the image of shooing is more clear.

A photographing apparatus comprising:

a front cover including a lens mounting surface on an outer surface of a front end;

the image sensor board is arranged at the front end of the front cover and is back to one side of the lens mounting surface, and the image sensor board is provided with an image sensor;

the moving assembly is arranged at the rear end of the front cover and comprises a driving motor and a moving piece in transmission connection with the driving motor, and the moving piece is driven by the driving motor to move back and forth along the direction vertical to the lens mounting surface;

the rotating component is arranged between the moving component and the image sensor board and comprises a connecting piece and a rotating piece, the connecting piece is connected with the moving piece, the rotating piece is rotatably connected with the connecting piece and fixedly connected with the image sensor board, and the rotating piece is configured to rotate back and forth relative to the lens mounting surface so as to adjust an included angle between the light receiving surface of the image sensor and the lens mounting surface; and

and the motor component is in transmission connection with the rotating piece and drives the rotating piece to rotate back and forth relative to the lens mounting surface.

Optionally, the shooting device includes an elastic adjusting member elastically abutted between the moving member and the connecting member, and the elastic adjusting member is used for adjusting the parallelism between the moving member and the connecting member, so as to adjust the parallelism between the image sensor board and the lens mounting surface.

Optionally, the connecting member includes a plurality of connecting portions connected to the moving member, wherein some of the connecting portions are fixed connecting portions, and the other connecting portions are adjustable connecting portions, and at the fixed connecting portions, the connecting member is fixedly connected to the moving member through a fastening member, and at the adjustable connecting portions, the connecting member is elastically connected to the elastic adjusting member through a fastening member.

Optionally, the adjustable connection portion and the fixed connection portion are respectively located on two sides of the rotation axis of the rotating member.

Optionally, the connecting piece includes a threaded hole and an annular positioning hole surrounding the periphery of the threaded hole, the fastening piece passes through the elastic adjusting piece and is screwed into the threaded hole, one end of the elastic adjusting piece is inserted into the annular positioning hole and abuts against the connecting piece, the other end of the elastic adjusting piece abuts against the moving piece, and the deformation direction of the elastic adjusting piece is consistent with the axial direction of the annular positioning hole.

Optionally, the moving assembly includes a transmission mechanism, the transmission mechanism includes a driving part and a driven part which are in transmission connection, the driving part is in transmission connection with the driving motor, the driven part is in transmission connection with the moving member, the moving member includes a containing cavity for containing the driven part and a plurality of connection matching parts matched with the plurality of connection parts, and the plurality of connection matching parts are distributed at intervals on the periphery of the containing cavity.

Optionally, the number of the fixed connection parts is one, the number of the adjustable matching parts is two, the connection matching parts comprise fixed connection matching parts connected with the fixed connection parts in a matching mode and two adjustable connection matching parts connected with the adjustable connection parts in a matching mode, and the two adjustable connection matching parts are respectively located on two sides of a straight line where the center of the accommodating cavity and the center of the fixed connection parts are located.

Optionally, the two adjustable connection matching parts are symmetrically distributed on two sides of the straight line; and/or

The range value of the initial installation clearance between the moving piece and the connecting piece is 2.9-4.1 mm, and the range value of the initial compression amount of the elastic adjusting piece is 1.5-2 mm.

Optionally, the moving assembly and the motor assembly are respectively located on two sides of the rotation axis of the rotating member.

Optionally, the motor assembly includes a motor, an axis of an output shaft of the motor is perpendicular to an axis of an output shaft of the driving motor in space, and the axis of the output shaft of the driving motor is parallel to a direction perpendicular to the lens mounting surface.

The technical scheme provided by the application can at least achieve the following beneficial effects:

the application provides a shooting device, including removal subassembly and rotating assembly, the removal subassembly makes image sensor board and sets up in the image sensor of image sensor board can for the camera lens installation face back-and-forth movement, rotating assembly makes image sensor board and sets up in the image sensor of image sensor board can for the camera lens installation face front and back rotation, has realized that the sensitive surface of image sensor with the contained angle of camera lens installation face is adjustable, so, in the shooting process, just can adjust the angle and the fore-and-aft distance of the sensitive surface of image sensor for the camera lens installation face according to the focus area for the image of shooing is more clear.

Drawings

Fig. 1 is an exploded view of a partial structure of a photographing apparatus shown in an exemplary embodiment of the present application;

FIG. 2 is a schematic view of the coupling member and rotating member shown in FIG. 1 in an initial assembled position;

FIG. 3 is an exploded view of a portion of the structure shown in FIG. 1;

fig. 4 is a schematic view of the rotary member shown in fig. 1 rotated backward with respect to the lens mount surface;

fig. 5 is a schematic view of the rotary member shown in fig. 1 rotated forward relative to the lens mount surface;

fig. 6 is a sectional view of a partial structure of the photographing apparatus shown in fig. 1;

fig. 7 is an assembly view of the photographing apparatus shown in fig. 1 with a front cover removed;

fig. 8 is a schematic diagram of a partial structure of the photographing apparatus shown in fig. 1;

fig. 9 is an assembly view of the photographing apparatus shown in fig. 1 from a further perspective with a front cover removed.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one, and if only "a" or "an" is denoted individually. "plurality" or "a number" means two or more. Unless otherwise specified, "front", "back", "lower" and/or "upper", "top", "bottom", and the like are for ease of description only and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Referring to fig. 1, fig. 1 is a schematic diagram illustrating a partial structure of a photographing apparatus according to an exemplary embodiment of the present application.

The shooting equipment provided by the embodiment of the application can be a video camera and a camera. The application scenario of the photographing apparatus is not limited, and for example, the photographing apparatus may be applied to an image capturing scenario or a monitoring scenario, but is not limited thereto.

The photographing apparatus includes a front cover 10, an image sensor board 11, a rotation assembly 12, and a motor assembly 13. The front cover 10 is configured as a housing structure, an accommodating cavity 100 is formed inside the front cover, and at least one of the image sensor board 11, the rotating component 12 and the motor component 13 is accommodated in the accommodating cavity 100 of the front cover 10. The front cover 10 includes a lens mounting surface 101 located on an outer surface of a front end, a light-transmitting hole 102 is formed in the front end of the front cover 10, a lens module (not shown) of the photographing apparatus is mounted on the lens mounting surface 101, and a central axis of the light-transmitting hole 102 coincides with an optical axis of the lens module. The image sensor board 11 is provided at the front end of the front cover 10, faces away from the lens mount surface 101, and is accommodated in the accommodation chamber 100 of the front cover 10. The image sensor board 11 is provided with an image sensor 110, and the image sensor 110 can convert the sensed optical signal into an electrical signal.

The rotating assembly 12 is disposed on a side of the image sensor board 11 opposite to the lens mounting surface 101, and is accommodated in the accommodating cavity 100 of the front cover 10. The rotating assembly 12 includes a connecting member 120 and a rotating member 122, the connecting member 120 is connected to the front cover 10, and the rotating member 122 is disposed between the connecting member 120 and the image sensor board 11 to connect the connecting member 120 and the image sensor board 11. The rotating member 122 is configured to rotate back and forth relative to the lens mounting surface 101 to adjust an included angle between the light receiving surface of the image sensor 110 and the lens mounting surface 101. That is, the rotating member 122 is rotatably connected to the connecting member 120 and fixedly connected to the image sensor board 11, and the rotation of the rotating member 122 can drive the image sensor board 11 to rotate, so as to adjust an included angle between the light receiving surface of the image sensor 110 and the lens mounting surface 101. The motor assembly 13 is in transmission connection with the rotating member 122, and drives the rotating member 122 to rotate back and forth relative to the lens mounting surface 101.

As can be seen from the above description, the rotation assembly 12 is arranged to rotate the image sensor board 11 and the image sensor 110 arranged on the image sensor board 11 relative to the lens mounting surface 101, and to adjust an included angle between the light receiving surface of the image sensor 110 and the lens mounting surface 101, so that during shooting, the angle between the light receiving surface of the image sensor 110 and the lens mounting surface 101 can be adjusted according to the focus area, and the shot image is clearer.

In one embodiment, the rotating member 122 and the image sensor board 11 may be connected by a fastener 20. Specifically, the rotating assembly 12 includes a spacing pillar 124 disposed between the rotating member 122 and the image sensor board 11, and the spacing pillar 124 can reserve a gap between the rotating member 122 and the image sensor board 11, so as to prevent the image sensor 110 and other electronic components on the image sensor board 11 from touching the rotating member 122. The rotating member 122, the image sensor plate 11 and the spacing pillars 124 are provided with through holes, and the fastening member 20 passes through the rotating member 122, the image sensor plate 11 and the spacing pillars 124 via the through holes to fix the rotating member 122 and the image sensor plate 11. The fastener 20 may be a screw or a pin, and the like, without limitation. The rotating member 122 and the image sensor board 11 are fixed by the fastener 20, so that the fixing mode is simple and the installation is convenient. In practical applications, the rotating member 122 and the spacer 124 may be provided as a single-piece structure.

The specific number of the fasteners 20 for fixing the rotating member 122 to the image sensor board 11 is not limited, and may be one, two, three, four or more. In this embodiment, the rotating member 122 is connected to the image sensor board 11 by a plurality of fasteners 20 to ensure the reliability of the connection. Specifically, three fasteners 20 may be provided, the three fasteners 20 are distributed on two sides of the rotation axis O of the rotating member 122, on one side of the rotation axis O, the rotating member 122 is fixedly connected with the image sensor board 11 through two fasteners 20, and on the other side of the rotation axis O, the rotating member 122 is fixedly connected with the image sensor board 11 through one fastener 20. Also, one fastener 20 on one side is located at an intermediate portion between two fasteners 20 on the opposite side in a direction perpendicular to the rotation axis O, which makes the fixation of the rotary member 122 to the image sensor board 11 more stable.

Referring to fig. 2, fig. 2 is a schematic view of the connecting member and the rotating member shown in fig. 1 at an initial assembly position.

In one embodiment, the connector 120 includes a connector base 120a and a coupling lug 120b extending from the connector base 120a toward the image sensor board 11, and the rotary member 122 is rotatably coupled to the coupling lug 120 b. The arrangement of the engaging lug 120b increases the size of the connecting member 120 in the direction perpendicular to the lens mounting surface 101, so that a gap can be reserved between the connecting member base 120a and the rotating member 122, a space is provided for the rotation of the rotating member 122, and the rotating member 122 is prevented from interfering with the connecting member 120 when rotating.

Referring to fig. 1 and 2, the rotation member 122 includes an extension ear 122a extending toward the connection ear 120b, the extension ear 122a is disposed parallel to the connection ear 120b, one of the extension ear 122a and the connection ear 120b includes a shaft body 122b, the other includes a shaft hole 120c, and the shaft body 122b is in clearance fit with the shaft hole 120c, so that the rotation of the rotation member 122 relative to the connection member 120 is achieved. The arrangement of the connecting lug 120b and the extending lug 122a facilitates the arrangement of the shaft body 122b and the shaft hole 120c, and facilitates the rotary connection of the rotary member 122 and the connecting member 120. In this embodiment, the connecting ear 120b includes a shaft hole 120c, and the extending ear 122a includes a shaft body 122 b. In other embodiments, the engaging lug 120b can include a shaft body 122b and the extending lug 122a can include a shaft hole 120 c.

In a specific embodiment, as shown in fig. 1, the connection ears 120b include a first connection ear 120ba and a second connection ear 120bb, and the first connection ear 120ba and the second connection ear 120bb are spaced apart from each other in the left-right direction of the front cover 10. The extension ear 122a includes a first extension ear 122aa and a second extension ear 122ab, and the first extension ear 122aa and the second extension ear 122ab are spaced apart from each other in the left-right direction of the front cover 10. The shaft body 122b includes a first shaft body 122ba and a second shaft body (not shown) which are coaxially arranged, the shaft hole 120c includes a first shaft hole 120ca and a second shaft hole (not shown) which are coaxially arranged, one of the first extending lug 122aa and the first connecting lug 120ba includes the first shaft body 122ba, the other includes the first shaft hole 120ca, the first shaft body 122ba is clearance-fitted with the first shaft hole 120ca, one of the second extending lug 122ab and the second connecting lug 120bb includes the second shaft body, and the other includes the second shaft hole, and the second shaft body is clearance-fitted with the second shaft hole. Therefore, the connecting lug 120b and the extending lug 122a are matched with each other through the shaft holes at two positions to realize rotary connection, so that the reliability of the rotary connection between the rotary piece 122 and the connecting piece 120 is improved, and the stability in the rotary process is improved.

In one embodiment, the first extending lug 122aa and the first connecting lug 120ba include one of the first shaft bodies 122ba located inside and one of the first shaft holes 120ca located outside, and the first shaft body 122ba extends from the inside to the outside and is inserted into the first shaft hole 120 ca. In the embodiment shown in fig. 1 and 2, the first extending lug 122aa includes a first shaft body 122ba, the first connecting lug 120ba includes a first shaft hole, the first extending lug 122aa is located inside the first connecting lug 120ba, the first connecting lug 120ba is located outside the first extending lug 122aa, and the first shaft body 122ba extends from the inside to the outside and penetrates into the first shaft hole 120 ca. In the above arrangement, if the rotating element 122 moves towards the side of the first connecting lug 120ba along the direction of the rotation axis O, the first connecting lug 120ba can limit the first extending lug 122aa, so as to limit the moving amount of the rotating element 122, and ensure that the first shaft body 122ba does not fall out of the first shaft hole 120 ca.

Likewise, one of the second extension ears 122ab and the second connection ear 120bb, including the second shaft body, may be located on the inner side, and one of the second shaft holes may be located on the outer side. In the embodiment shown in fig. 1 and 2, the second extension ear 122ab includes a second shaft body, the second engaging ear 120bb includes a second shaft hole, the second extension ear 122ab is located inside the second engaging ear 120bb, and the second shaft body extends from inside to outside and penetrates into the second shaft hole. In the above arrangement, if the rotating element 122 moves towards one side of the second engaging lug 120bb along the direction of the rotation axis O, the second engaging lug 120bb can limit the second extending lug 122ab to limit the moving amount of the rotating element 122, so as to ensure that the second shaft body does not slip out of the second shaft hole.

Referring to fig. 3, fig. 3 is an exploded view of a portion of the structure shown in fig. 1.

The shooting device further comprises an elastic shock absorption piece 14, the elastic shock absorption piece 14 is elastically abutted between the connecting piece 120 and the rotating piece 122, the elastic shock absorption piece 14 enables the connecting piece 120 and the rotating piece 122 to be in a stressed state all the time, and through the elastic force of the elastic shock absorption piece 14, the assembling gap between the connecting piece 120 and the rotating piece 122 can be eliminated, and precise assembling is achieved. In addition, the elastic shock absorbing part 14 can also relieve and absorb shock, and the phenomenon of shaking of the shot picture can be avoided.

The elastic shock absorbing member 14 may be an elastic rubber member or a spring. In this example, the latter is employed. Specifically, the elastic damping member 14 includes a plurality of compression springs, and the compression springs are provided with a plurality of, and a plurality of compression spring intervals set up and distribute in the both sides of the rotation axis O of rotating member 122 to this improves the equilibrium of the mutual effort of connecting piece 120 and rotating member 122, and, no matter can all pass through compression spring and connecting piece 120 elasticity butt when rotating forward or backward rotating member 122.

In some embodiments, the initial installation gap between the connecting member 120 and the rotating member 122 ranges from 2.9mm to 4.1mm. For example, 2.9mm, 3.2mm, 3.5mm, 3.8mm, 4mm, 4.1mm may be selected in one particular embodiment, the initial installation gap may be set to 3.5 mm. Of course, the initial installation gap is not limited to this, and may be adjusted according to actual conditions. In addition, the "installation gap" herein refers to a parallel gap between the link member 120 and the rotary member 122.

In some embodiments, the initial compression of the elastomeric damper 14 ranges from 1.5mm to 2 mm. For example, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2mm can be selected. The "initial compression amount" herein refers to the compression amount of the elastic damping member 14 in a state where the link member 120 is parallel to the rotary member 122. The compression amount is not limited to this, and may be adjusted according to actual conditions.

In the embodiment shown in fig. 3, four compression springs are disposed between the connecting member 120 and the rotating member 122, two compression springs are disposed on two sides of the rotation axis O of the rotating member 122, and the four compression springs are disposed two by two symmetrically on two sides of the rotation axis O. In order to ensure the stability of the compression springs when the compression springs are elastically deformed, in one embodiment, the connecting member base 120a includes a plurality of positioning pillars (not shown) extending from the connecting member base 120a toward one side surface of the rotating member 122, the plurality of positioning pillars are disposed corresponding to the plurality of compression springs, and the compression spring sleeves are sleeved outside the positioning pillars in a one-to-one correspondence manner, so as to achieve the positioning of the compression springs.

With continued reference to fig. 3, in one embodiment, the connecting member 120 includes a shaft hole 120c, and the shaft hole 120c extends along a direction opposite to the extending direction of the connecting lug 120b and penetrates through the connecting member base 120 a. In this embodiment, the shaft hole 120c extends along the direction opposite to the extending direction of the connecting ear 120b to form a strip-shaped hole. When the elastic damping member 14 is elastically deformed, the shaft body 122b can move in the bar-shaped shaft hole 120c to adjust the position of the rotation member 122 relative to the connection member 120 to avoid interference. Of course, in other embodiments, the size of the shaft body 122b may be reduced appropriately to allow the shaft body 122b to move in the shaft hole 120c when the elastic shock-absorbing member 14 is elastically deformed.

Referring to fig. 2 and 3, in a specific embodiment, the first shaft hole 120ca extends along a direction opposite to the extending direction of the first connecting lug 120ba and penetrates through the connecting member base 120a, and the second shaft hole extends along a direction opposite to the extending direction of the second connecting lug 120bb and penetrates through the connecting member base 120 a. When the elastic damper 14 is elastically deformed, the first shaft body 122ba is movable in the first bar-shaped shaft hole 120ca, and the second shaft body is movable in the second bar-shaped shaft hole.

As is known in the art, the rotating member 122 is rotated by the motor assembly 13. In one embodiment, with continued reference to fig. 3, the motor assembly 13 includes a motor 130, and the motor 130 can be directly connected to the rotating member 122 in a transmission manner to rotate the rotating member 122. In this embodiment, the motor assembly 13 includes a motor 130 and a transmission mechanism 132, and the motor 130 drives the rotating member 122 to rotate through the transmission mechanism 132. On one hand, the transmission mechanism 132 can increase the transmission size between the motor 130 and the rotating member 122, thereby facilitating the arrangement of the motor 130; on the other hand, the transmission mechanism 132 can isolate the vibration of the motor 130, and reduce or even avoid transmitting the vibration of the motor 130 to the rotary member 122.

Specifically, the motor 130 may be fixedly connected to the front cover 10, the transmission mechanism 132 includes a driving portion 132a and a driven portion 132b, the driving portion 132a is connected to the motor 130, and the driven portion 132b is connected to the rotating member 122. The driven portion moves in a plane parallel to the lens mount surface 101 and in a direction perpendicular to the rotation axis O. By providing the driven part 132b in this way, the moving space of the driven part 132b can be reduced, so that the occupied space of the motor assembly 13 can be reduced, the structure of the photographing apparatus is more compact, and the degree of miniaturization is higher.

The specific embodiment of the transmission mechanism 132 is not limited. In this embodiment, the transmission mechanism 132 is a rack and pinion engagement mechanism. The driving portion 132a includes a gear 132aa, the driven portion 132b includes a rack 132ba, and an output shaft of the motor 130 is drivingly connected to the gear 132aa, and an axis of the output shaft coincides with an axis of the gear 132 aa. The rack 132ba extends in a direction perpendicular to the rotation axis O, and the motor 130 can perform forward and reverse rotation, so as to drive the rack 132ba to reciprocate in the direction perpendicular to the rotation axis O, thereby driving the rotating member 122 to rotate back and forth.

With continued reference to fig. 3, in one embodiment, the driven portion 132b includes a first sliding portion 132bb, the rotating member 122 includes a second sliding portion 122c, and an extending direction of the first sliding portion 132bb is inclined with respect to a direction perpendicular to the lens mounting surface 101. One of the first sliding portion 132bb and the second sliding portion 122c includes a sliding slot, and the other includes a sliding rod, which is slidably engaged with the sliding slot, so that the driven portion 132b drives the rotary member 122 to rotate when moving. In this embodiment, the first sliding portion 132bb includes a sliding slot, and the second sliding portion 122c includes a sliding bar. In other embodiments, the second sliding portion 122c may comprise a sliding bar and the first sliding portion 132bb may comprise a sliding slot.

Referring to fig. 2, 4 and 5, fig. 4 is a schematic view illustrating the rotating member shown in fig. 1 being rotated backward with respect to the lens mounting surface. Fig. 5 is a schematic view showing the rotating member shown in fig. 1 rotated forward relative to the lens mount surface.

In the initial assembly state, the second sliding portion 122c is located at an intermediate position of the first sliding portion 132bb, and at this time, the light receiving surface of the image sensor 110 is parallel to the lens mount surface 101.

When the motor 130 rotates in the first direction (S direction in fig. 2), the driven portion 132b moves to a side away from the rotary member 122, and at this time, the second sliding portion 122c slides to the upper end of the first sliding portion 132bb, and the rotary member 122 rotates backward with respect to the lens mount surface 101 (refer to fig. 4).

On the contrary, when the motor 130 is rotated in the reverse direction of the first direction, the driven portion moves to a side close to the rotary member 122, and at this time, the second sliding portion 122c slides to the lower end of the first sliding portion 132bb, and the rotary member 122 is rotated forward with respect to the lens mounting surface 101 (refer to fig. 5).

In one embodiment, the rotary 122 may be rotated ± 10 ° with respect to the lens mounting surface.

Referring to fig. 3, the driven portion 132b includes a driving plate 132bc, a plate surface of the driving plate 132bc is perpendicular to the rotation axis O, and the first sliding portion 132bb includes a sliding groove, which is disposed on the plate surface of the driving plate 132bc and penetrates the driving plate 132bc along a thickness direction of the driving plate 132 bc. The second sliding portion 122c includes a sliding rod, one side of the rotating member 122, which is provided with the sliding rod, includes an avoiding notch 122d, and the avoiding notch 122d provides an avoiding space for the driving plate 132bc, so as to avoid the interference between the driving plate 132bc and the rotating member 122.

Referring to fig. 3 and 5, in order to improve the stability of the driven portion 132b during moving, the connecting member 120 includes a guiding structure 120d disposed on a side surface of the connecting member 120 opposite to the rotating member 122, the driven portion 132b includes a guiding plate 132bd, and the guiding plate 132bd moves along the guiding structure 120 d.

In one embodiment, the guiding structure 120d includes a guiding groove formed on a surface of the connecting member base 120a facing away from the rotary member 122, and two outer walls of the guiding plate 132bd move along two inner walls of the guiding groove to provide guidance for the movement of the driven part 132b, thereby improving the smoothness of the movement of the driven part 132 b.

The motor assembly 13 further includes a limiting member 134 connected to the housing of the motor 130, the limiting member 134 extends from the housing of the motor 130 toward the side where the connecting member 120 is located, the limiting member 134 includes a limiting portion 134a located at the end, and the limiting portion 134a extends along a side surface of the connecting member base 120a facing away from the rotating member 122. A limit gap is provided between the limit portion 134a and the connector base 120a, and the guide plate 132bd moves in the limit gap to limit the displacement of the driven portion 132b in the direction perpendicular to the lens mount surface 101. It can be seen that the stopper portion 134a and the connecting member 120 together limit the displacement of the driven portion 132b in the direction perpendicular to the lens mounting surface 101, reducing the amount of the back-and-forth wobbling of the driven portion 132b during the movement.

Referring to fig. 1 again, the photographing apparatus includes a moving member 15, and the moving member 15 is disposed at a rear end of the front cover 10. The moving assembly 15 includes a driving motor 150 and a moving member 152 in transmission connection with the driving motor 150, and the driving motor 150 drives the moving member 152 to move back and forth along a direction perpendicular to the lens mounting surface 101.

The rotating assembly 12 is disposed between the moving assembly 15 and the image sensor board 11, wherein the connecting member 120 of the rotating assembly 12 is connected to the moving member 152, so that the connecting member 120 can move synchronously with the moving member 152 along a direction perpendicular to the lens mounting surface 101, and further the image sensor board 11 and the image sensor 110 disposed on the image sensor board 11 move back and forth, thereby realizing adjustment of the front and rear positions of the light receiving surface of the image sensor 110. As can be seen from this, by providing the moving unit 15 in combination with the rotating unit 12, the light receiving surface of the image sensor 110 can move forward and backward with respect to the lens mount surface 101, or can rotate forward and backward with respect to the lens mount surface 101. In one embodiment, the moving assembly 15 may act as a back focus adjustment assembly.

In one embodiment, the shooting device includes an elastic adjusting member 16 elastically abutted between the moving member 152 and the connecting member 120, and the elastic adjusting member 16 is used for adjusting the parallelism between the moving member 152 and the connecting member 120, and further adjusting the parallelism between the image sensor board 11 and the lens mounting surface 101. The elastic force of the elastic adjusting member 16 is respectively applied to the moving member 152 and the connecting member 120, and by adjusting the elastic deformation of the elastic adjusting member 16, the processing deviation and the installation deviation of each component in the shooting device can be compensated, and thereby the parallelism of the image sensor plate 11 and the lens installation surface 101 in the initial assembly state is ensured, so that the light receiving surface of the image sensor 110 is perpendicular to the optical axis of the lens module.

In one embodiment, the connecting member 120 includes a plurality of connecting portions connected to the moving member 152, wherein a portion of the connecting portions are fixed connecting portions A1, and the remaining connecting portions are adjustable connecting portions A2. At fixed attachment point A1, connecting element 120 is fixedly attached to moveable element 152 by fastener 21, and at adjustable attachment point A2, connecting element 120 is resiliently attached to moveable element 152 by fastener 22 and resilient adjustment element 16. Thus, the fixed connection point a1 can be used as a reference for adjusting the parallelism between the moving member 152 and the link member 120, and the adjustable connection point a1 can adjust the parallelism between the image sensor panel 11 and the lens mounting surface 101 by adjusting the amount of deformation of the elastic adjustment member 16. The adjusting mode is simple and convenient.

In the embodiment shown in fig. 1, the connecting element 120 is connected to the moving element 152 at three connecting points, one of which is a fixed connecting point a1, and the other two of which are adjustable connecting points a2, so that when the parallelism between the connecting element 120 and the moving element 152 is adjusted, one-axis fixation and two-axis adjustment are achieved, and compared with a multi-axis adjustment scheme, the adjustment process is simplified, and the adjustment precision can be ensured.

In one embodiment, the plurality of connection points may be respectively disposed at both sides of the rotation axis O of the rotation member 122. In a specific embodiment, the adjustable connection point a2 and the fixed connection point a1 are located on both sides of the rotation axis O of the rotary member 122. After the arrangement, the fixed connection position a1 serving as a parallelism adjusting reference is far away from the adjustable connection position a2, which is beneficial to improving the parallelism adjusting precision and reducing the parallelism deviation.

Referring to fig. 1, 5 and 6, fig. 6 is a sectional view of a part of the structure of the photographing apparatus shown in fig. 1. In one embodiment, the attachment member 120 includes a threaded bore 120e and an annular locating hole 120f around the periphery of the threaded bore 120e, and the fastener 22 is threaded through the resilient adjustment member 16 and into the threaded bore 120 e. One end of the elastic adjusting piece 16 is inserted into the annular positioning hole 120f and abuts against the connecting piece 120, the other end of the elastic adjusting piece abuts against the moving piece 152, and the deformation direction of the elastic adjusting piece 16 is consistent with the axial direction of the annular positioning hole 120 f. The fastener 21 can realize relative fixation between the moving member 152 and the connecting member 120, and can adjust the parallelism between the connecting member 120 and the moving member 152 by adjusting the deformation amount of the elastic adjusting member 16, thereby adjusting and adjusting the parallelism between the image sensor board 11 and the lens mounting surface 101. The annular positioning hole 120f can ensure stability when the elastic adjusting member 16 is deformed, avoid inclination, and facilitate assembly. The fastening member 22 may be a screw, and the elastic adjustment member 16 may be a compression spring.

In the embodiment shown in fig. 6, the elastic adjustment member 16 comprises a compression spring, which is sleeved on the outer side of the fastening member 22 at the adjustable connection position a2 in a one-to-one correspondence manner, and is extended or shortened correspondingly when the fastening member 22 is rotated in different directions.

Referring to fig. 7 and 8, fig. 7 is an assembly view of the photographing apparatus shown in fig. 1 with a front cover removed. Fig. 8 is a schematic diagram of a partial structure of the photographing apparatus shown in fig. 1.

The moving assembly 15 includes a transmission mechanism 154, and the transmission mechanism 154 includes a driving portion 154a and a driven portion 154b in transmission connection, wherein the driving portion 154a is connected with the driving motor 150, and the driven portion 154b is connected with the moving member 152.

The moving member 152 includes a plurality of connection engagement portions B for engaging with the plurality of connection portions of the connecting member 120, and the plurality of connection engagement portions B includes a fixed connection engagement portion B1 for engaging with the fixed connection portion a1, and an adjustable connection engagement portion B2 for engaging with each adjustable connection portion a 2. In one embodiment, the moving member 152 includes a receiving cavity 152a for receiving the driven portion 154B, and a plurality of connection matching portions B are distributed at intervals around the receiving cavity 152 a. After the arrangement, the plurality of connection matching positions B are relatively dispersed and have larger spacing distance, which is beneficial to improving the adjustment precision of the parallelism between the connecting piece 120 and the moving piece 152. The plurality of connection fitting portions B may be provided as through holes or screw holes.

In one embodiment, one fixed connection fitting B1 is provided, corresponding to the fixed connection a 1. Two adjustable connecting and matching parts B2 are arranged and respectively correspond to the two adjustable connecting parts A2. The two adjustable connecting matching parts B2 are respectively positioned at two sides of a straight line C of the center of the accommodating cavity 152a and the center of the fixed connecting part B1. Thus, the distance between the two adjustable connection matching parts B2 is relatively long, which is beneficial to improving the adjustment precision of the parallelism between the connecting piece 120 and the moving piece 152. In a specific embodiment, the two adjustable connection matching portions B2 may be symmetrically distributed on both sides of the straight line C, so that the three connection matching portions B are more uniformly distributed on the periphery of the accommodating cavity 152a, and are more distributed in the circumferential direction, which is more beneficial to improving the adjustment precision of the adjustment connecting member 120 and the moving member 152, so as to reduce the parallelism deviation between the connecting member 120 and the moving member 152.

In one embodiment, the initial installation gap between the moving member 152 and the connecting member 120 ranges from 2.9mm to 4.1mm. For example, 2.9mm, 3.2mm, 3.5mm, 3.8mm, 4mm, 4.1mm may be selected in one particular embodiment, the initial installation gap may be set to 3.5 mm. Of course, the initial installation gap is not limited to this, and may be adjusted according to actual conditions. In addition, the "installation gap" herein refers to a parallel gap between the connecting member 120 and the moving member 152.

In some embodiments, the initial compression of the resilient adjustment member 16 ranges from 1.5mm to 2 mm. For example, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2mm can be selected. The "initial compression amount" herein refers to the compression amount of the elastic adjusting member 16 in a state where the link member 120 is parallel to the moving member 152. The compression amount is not limited to this, and may be adjusted according to actual conditions.

Referring to fig. 9, fig. 9 is an assembly view of the photographing apparatus shown in fig. 1 from a further perspective with a front cover removed.

In one embodiment, the moving assembly 15 and the motor assembly 13 are located on both sides of the rotation axis O of the rotating member 122, respectively. The arrangement is favorable for balancing the weight of the shooting equipment, and the gravity center position is ensured to be close to the optical axis of the lens module or be positioned on the optical axis.

The axis X1 of the output shaft of the motor 130 is spatially perpendicular to the axis X2 of the output shaft of the drive motor 150, and the axis of the output shaft of the drive motor 150 is parallel to the direction perpendicular to the lens mount surface 101. This arrangement can effectively utilize the space in the accommodating chamber 100 of the front cover 10, so that the structure of the photographing apparatus is more compact.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A photographing apparatus, characterized by comprising:

2. The photographing apparatus according to claim 1, comprising an elastic adjustment member elastically abutted between the moving member and the connecting member, the elastic adjustment member being configured to adjust a parallelism of the moving member and the connecting member, and further adjust a parallelism of the image sensor board and the lens mounting surface.

3. The photographing apparatus according to claim 2, wherein the connection member includes a plurality of connection portions connected to the moving member, some of the connection portions being fixed connection portions where the connection member is fixedly connected to the moving member by a fastening member, and the rest of the connection portions being adjustable connection portions where the connection member is elastically connected to the elastic adjustment member by a fastening member.

4. The photographing apparatus according to claim 3, wherein the adjustable connection portion and the fixed connection portion are respectively located at both sides of a rotation axis of the rotation member.

5. The shooting device of claim 3, wherein the connecting member includes a threaded hole and an annular positioning hole surrounding the periphery of the threaded hole, the fastening member passes through the elastic adjusting member and is screwed into the threaded hole, one end of the elastic adjusting member is inserted into the annular positioning hole and abuts against the connecting member, the other end of the elastic adjusting member abuts against the moving member, and the deformation direction of the elastic adjusting member is consistent with the axial direction of the annular positioning hole.

6. The shooting device of claim 3, wherein the moving assembly comprises a transmission mechanism, the transmission mechanism comprises a driving part and a driven part which are in transmission connection, the driving part is in transmission connection with the driving motor, the driven part is in transmission connection with the moving member, the moving member comprises an accommodating cavity for accommodating the driven part and a plurality of connection matching parts matched with the plurality of connection parts, and the plurality of connection matching parts are distributed on the periphery of the accommodating cavity at intervals.

7. The shooting device according to claim 6, wherein there is one fixed connection portion, there are two adjustable connection portions, and the connection engagement portion includes a fixed connection engagement portion engaged with the fixed connection portion and two adjustable connection engagement portions engaged with the two adjustable connection portions, and the two adjustable connection engagement portions are respectively located at two sides of a straight line where a center of the accommodating cavity and a center of the fixed connection portion are located.

8. The photographing apparatus according to claim 7, wherein the two adjustable connection engagement portions are symmetrically distributed on both sides of the straight line; and/or

9. The photographing apparatus according to any one of claims 1 to 7, wherein the moving assembly and the motor assembly are respectively located at both sides of a rotation axis of the rotation member.

10. The photographing apparatus according to any one of claims 1 to 7, wherein the motor assembly includes a motor, an axis of an output shaft of the motor and an axis of an output shaft of the driving motor are spatially perpendicular to each other, and the axis of the output shaft of the driving motor is parallel to a direction perpendicular to the lens mounting surface.