CN115278003A

CN115278003A - Photographing apparatus

Info

Publication number: CN115278003A
Application number: CN202210774817.9A
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: 2022-11-01
Anticipated expiration: 2040-09-08
Also published as: CN112135019B; CN112135019A; CN115278003B

Abstract

The application provides a photographing apparatus. The shooting device comprises an image sensor board, a rotating assembly, a motor assembly and an image sensor board. The image sensor board is provided with an image sensor, the rotating assembly comprises a connecting piece and a rotating piece, the connecting piece comprises a connecting piece base body and a connecting lug extending from the connecting piece base body towards the image sensor board, the connecting lug comprises a shaft hole extending towards the image sensor, the rotating piece comprises a shaft body, and the shaft hole receives the shaft body; the motor assembly is in transmission connection with the rotating piece. Under the driving force of the motor assembly, the rotating piece and the image sensor plate move relative to the connecting piece, and under the movement, the shaft body can slide along the shaft hole so as to adjust the angle of the light receiving surface of the image sensor. Therefore, the angle of the light receiving surface of the image sensor 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.

The application provides a shooting device, includes:

an image sensor board provided with an image sensor;

the rotating assembly comprises a connecting piece and a rotating piece, and the rotating piece is rotatably connected with the connecting piece and fixedly connected with the image sensor board; wherein the link includes a link base and a coupling lug extending from the link base toward the image sensor board, the coupling lug includes a shaft hole extending toward the image sensor, and the rotation member includes a shaft body, the shaft hole receiving the shaft body;

the motor assembly is in transmission connection with the rotating piece;

the photographing apparatus is configured to: under the driving force of the motor component, the rotating piece and the image sensor plate move relative to the connecting piece, and under the movement, the shaft body can slide along the shaft hole to adjust the angle of the light receiving surface of the image sensor.

Optionally, the connecting piece and the rotating piece are parallel to each other with a mounting gap;

the shooting equipment further comprises an elastic damping part, the elastic damping part is in elastic butt joint with the connecting part and the rotating part and is located in the installation gap, and the elastic damping part is elastically deformed to enable the connecting part and the rotating part to be in a stressed state.

Optionally, the shaft hole extends along a direction opposite to the extending direction of the connecting lug and penetrates through the connecting piece base body;

the shaft hole is a strip-shaped shaft hole formed by extending along the direction opposite to the extending direction of the connecting lug;

the elastic shock absorption piece is elastically deformed, and the shaft body can move in the strip-shaped shaft hole relative to the connecting piece base body so as to adjust the position of the rotating piece relative to the connecting piece.

Optionally, the elastic damping member is an elastic rubber member, and the direction of the elastic deformation of the elastic rubber member is perpendicular to the connecting member and the rotating member respectively;

or, the elastic shock absorption piece is a spring.

Optionally, in a state where the connecting member is parallel to the rotating member, a range of an initial compression amount of the elastic damping member in a compressed state is 1.5mm to 2mm.

Optionally, the elastic damping member includes a plurality of compressed springs, and the compressed springs are arranged at intervals and distributed on two sides of the rotation axis of the rotating member;

the elastic bodies of the plurality of compressed springs abut against the connecting piece and the rotating piece, and the original lengths of the plurality of compressed springs are larger than the installation gap.

Optionally, two sides of the rotation axis of the rotating member are respectively provided with an equal number of compression springs, and all the compression springs are arranged two by two symmetrically on two sides of the rotation axis.

Optionally, the connecting piece base body comprises a plurality of positioning columns extending from the connecting piece base body towards one side surface of the rotating piece, the positioning columns correspond to the pressure springs, and the pressure spring sleeves are sleeved outside the positioning columns in a one-to-one correspondence manner.

Optionally, the motor assembly includes a motor, and the motor is in transmission connection with the rotating member to drive the rotating member to rotate.

Optionally, the motor is directly connected to the rotating member in a transmission manner, so as to drive the rotating member to rotate.

Optionally, the motor assembly further includes a transmission mechanism, the motor drives the rotating member to rotate relative to the rotating axis through the transmission mechanism, the transmission mechanism includes a driving portion and a driven portion which are in transmission connection, the motor is in transmission connection with the driving portion, and the driven portion is in transmission connection with the rotating member.

Optionally, the transmission mechanism comprises a rack and pinion engagement mechanism.

Optionally, the driving part includes a gear, an output shaft of the motor is in transmission connection with the gear, and an axis of the output shaft coincides with an axis of the gear;

the driven portion includes a rack extending in a direction perpendicular to a rotation axis of the rotating member, the gear is rotatably engaged with the rack along a length direction of the rack, and the rack is reciprocally movable in a direction perpendicular to the rotation axis with respect to the motor.

Optionally, the driven part comprises a first sliding part, the rotating member comprises a second sliding part, and the first sliding part is slidable relative to the second sliding part;

one of the first sliding part and the second sliding part comprises a sliding groove, the other sliding part comprises a sliding rod, the sliding rod is in sliding fit with the sliding groove, the extending direction of the sliding groove is inclined relative to the direction vertical to the base body of the connecting piece, and when the motor rotates, the driven part is driven to move so as to drive the rotating piece to rotate around the rotating axis.

Optionally, the sliding groove extends obliquely from the outer side to the inner side of the connecting piece base body in the direction from the inside to the outside of the thickness of the connecting piece base body;

the sliding groove comprises a first end and a second end which are oppositely arranged, and a middle position between the first end and the second end;

the sliding rod is positioned in the middle of the sliding groove, and the light receiving surface of the image sensor is parallel to the connecting piece base body;

the sliding rod relatively slides to the first end of the sliding groove, and the rotating piece rotates around the rotating axis to a third direction relative to the connecting piece base body;

the sliding rod relatively slides to the second end of the sliding groove, and the rotating piece rotates around the rotating axis relative to the connecting piece base body in the direction opposite to the third direction.

Optionally, the first sliding portion includes a sliding groove, and the second sliding portion includes a sliding rod;

the driven part includes the driving plate, the face of driving plate with the rotation axis is perpendicular, the spout is located the face of driving plate, and follows the thickness direction of driving plate runs through the driving plate.

Optionally, one side of the rotating member, on which the sliding rod is disposed, includes an avoidance gap, the plate surface of the transmission plate moves relative to the rotating member, and a gap is formed between the rotating members.

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

the application provides a shooting device, including image sensor board, rotating assembly and motor element, the image sensor board. The image sensor board is provided with an image sensor, the rotating assembly comprises a connecting piece and a rotating piece, the connecting piece comprises a connecting piece base body and a connecting lug extending from the connecting piece base body towards the image sensor board, the connecting lug comprises a shaft hole extending towards the image sensor, the rotating piece comprises a shaft body, and the shaft body is received in the shaft hole; the motor assembly is in transmission connection with the rotating piece. Under the driving force of the motor assembly, the rotating piece and the image sensor plate move relative to the connecting piece, and under the movement, the shaft body can slide along the shaft hole so as to adjust the angle of the light receiving surface of the image sensor. Therefore, in the shooting process, the shaft body of the rotating piece and the shaft hole of the connecting lug of the connecting piece are used, the rotating piece is conveniently connected with the connecting piece in a rotating mode, the angle of the light receiving surface of the image sensor is adjusted, and the shot image is clearer.

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 part of the 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 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 after "comprises" or "comprising" is inclusive of the element or item listed after "comprising" or "comprises", and the equivalent thereof, and does not exclude additional 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 the outer surface of the front end, and the front end of the front cover 10 is opened with a light hole 102, a lens module (not shown) of the shooting device is mounted on the lens mounting surface 101, and the central axis of the light hole 102 coincides with the 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 to rotate. Specifically, the motor assembly 13 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, a pin, or the like, and is not limited in particular. 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 and the image sensor board 11 are connected 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 of the fasteners 20 on one side is located at an intermediate portion between the 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 120b. 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 between the rotary member 122 and the connecting member 120. In this embodiment, the engaging lug 120b includes a shaft hole 120c, the extending lug 122a includes a shaft body 122b, and the shaft hole 120c receives the shaft body 122b. The photographing apparatus is configured to: under the driving force of the motor assembly 13, the rotating member 122 and the image sensor plate 11 move relative to the connecting member 120, and under the movement, the shaft body can slide along the shaft hole 120c to adjust the angle of the light receiving surface of the image sensor 110. Therefore, in the shooting process, the rotation connection between the rotating member 122 and the connecting member 120 is conveniently realized by using the adjustment of the shaft body 122b and the shaft hole 120c, so as to adjust the angle of the light receiving surface of the image sensor 110, and make the shot image clearer. In other embodiments, the engaging lug 120b can include a shaft body 122b and the extending lug 122a can include a shaft hole 120c.

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, and one of the second extending lug 122ab and the second connecting lug 120bb includes the second shaft body, 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 120ca. 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 120ca. 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 120ca.

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 attachment ear 120bb includes a second shaft hole, the second extension ear 122ab is positioned inside the second attachment ear 120bb, and the second shaft body extends from the inside to the outside and penetrates into the second shaft hole. In the above arrangement, if the rotating element 122 moves towards the side where the second engaging lug 120bb is located 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 connecting member 120 and the rotating member 122 have an installation gap therebetween, the photographing apparatus further includes an elastic damping member 14, the elastic damping member 14 elastically abuts between the connecting member 120 and the rotating member 122 and is located in the installation gap, and the elastic damping member 14 elastically deforms to enable the connecting member 120 and the rotating member 122 to be in a stressed state. Thus, the elastic damping member 14 keeps the connecting member 120 and the rotating member 122 in a stressed state, and the assembly gap between the connecting member 120 and the rotating member 122 can be eliminated by the elastic force of the elastic damping member 14, so that precise assembly is realized. 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.

Wherein the elastic damping member 14 is elastically deformed, which includes the elastic damping member 14 being elastically deformed in an extended state and/or being elastically deformed in a compressed state. The exemplary elastic cushioning member 14 may be an elastic rubber member or a spring. Therefore, the assembly gap between the connecting piece 120 and the rotating piece 122 can be eliminated through the elastic force of the spring, the assembly is precise, the spring relieves and absorbs the vibration, and the shake of the shot picture can be reduced. In this embodiment, the latter is adopted. Specifically, the elastic damping member 14 includes a plurality of pressure springs, the plurality of pressure springs are arranged at intervals and distributed on two sides of the rotation axis O of the rotating member 122, the plurality of pressure springs elastically abut between the connecting member 120 and the rotating member 122, and the original lengths of the plurality of pressure springs are greater than the installation gap. Therefore, the balance of the acting force between the connecting piece 120 and the rotating piece 122 is improved, and the original lengths of the plurality of compressed springs are larger than the installation gap, so that the plurality of compressed springs are in a compressed state, and the rotating piece 122 can be elastically abutted against the connecting piece 120 through the compressed springs no matter the rotating piece 122 rotates forwards or backwards.

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, and in one particular embodiment, the initial installation gap may be set to 3.5mm. 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 2mm. 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, an equal number of compression springs are respectively disposed on both sides of the rotation axis O of the rotary member 122, and all the compression springs are disposed two by two symmetrically on both sides of the rotation axis O. An equivalent number may be, but is not limited to, 4. So, all pressure springs are two liang of symmetry setting in rotation axis O both sides, when the pressure spring takes place elastic deformation, improve the stability of pressure spring, through two liang of symmetry settings of all pressure springs, further improve the stability of connecting piece 120 for rotating member 122. Four pressure springs are arranged between the connecting piece 120 and the rotating piece 122, two sides of a rotation axis O of the rotating piece 122 are respectively provided with two pressure springs, and the four pressure springs are arranged on two sides of the rotation axis O in a pairwise symmetrical mode. 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 element 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 element base 120a. 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 buffer member 14 is elastically deformed, the shaft body 122b can move in the bar-shaped shaft hole 120c relative to the connecting member base 120a to adjust the position of the rotating member 122 relative to the connecting 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 one 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 120a. When the elastic cushioning member 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. Therefore, the motor 130 can be directly connected with the rotating member 122 in a transmission manner, and the structure is compact. In this embodiment, the motor assembly 13 includes a motor 130 and a transmission mechanism 132, and the motor 130 drives the rotating element 122 to rotate relative to the rotation axis O 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 the transmission of 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. Therefore, the transmission precision of the gear rack meshing mechanism is high, the rack 132ba can be extended in an infinite length, and the length of the rack 132ba can be correspondingly set according to the required rotation angle of the rotating member 122.

The driving part 132a includes a gear 132aa, 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 driven portion 132b includes a rack gear 132ba, the rack gear 132ba extending in a direction perpendicular to the rotation axis O, the rack gear 132ba having a bar shape, the rack gear 132ba being reciprocally movable in the direction perpendicular to the rotation axis O with respect to the motor 130. In this way, the motor 130 can rotate in a forward and reverse direction, and the gear 132aa is rotatably engaged with the rack 132ba along the length direction of the rack 132ba, which is perpendicular to the thickness direction of the connector base 120a. The rack 132ba is thereby caused to reciprocate relative to the motor 130 in a direction perpendicular to the rotation axis O, so that the rotary member 122 is caused 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 the first sliding portion 132bb can slide relative to the second sliding portion 122 c. One of the first sliding portion 132bb and the second sliding portion 122c includes a sliding slot, and the other includes a sliding rod, the sliding rod is slidably engaged with the sliding slot, the extending direction of the sliding slot is inclined with respect to the direction of the vertical connector base 120a, the extending direction of the sliding slot is also inclined with respect to the direction of the vertical lens mounting surface 101, and when the motor 130 rotates, the driven portion 132b is driven to move, so as to drive the rotating member 122 to rotate around the rotation axis O. So, the slide bar can slide along the spout to drive the rotating member 122 rotatory, the slide bar and spout cooperation, the flexibility that can the rotating member 122 rotatory is higher, and compact structure. In some embodiments, the second sliding portion 122c may comprise a sliding bar and the first sliding portion 132bb may comprise a sliding slot.

The sliding groove extends obliquely from the outer side to the inner side of the connector base 120a in the direction from the inside to the outside of the thickness of the connector base 120a. The spout is including relative first end and the second end that sets up to and be located the intermediate position between first end and the second end. The sliding rod is located at the middle position of the sliding chute, and the light receiving surface of the image sensor 110 is parallel to the connecting piece base 120a. The sliding rod relatively slides to the first end of the sliding slot, and the rotating member rotates in the third direction around the rotation axis relative to the connecting member base 120a. The sliding rod relatively slides to the second end of the sliding groove, and the rotating member rotates around the rotating axis relative to the connecting member base 120a in a direction opposite to the third direction. One of the first and second ends includes an inclined upper end and the other includes an inclined lower end. In this way, the driven portion 132b with the slide groove 132bb can be reciprocally moved relative to the rotary member 122 in the direction perpendicular to the rotation axis O by the slide groove extending obliquely, and the structure is compact and easy to adjust.

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.

When the first sliding portion 132bb includes a sliding groove and the second sliding portion 122c includes a sliding rod, in the initial assembly state, the second sliding portion 122c is located at the middle position of the first sliding portion 132bb, and the light receiving surface of the image sensor 110 is parallel to the lens mounting 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 mount 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, when the first sliding portion 132bb includes a sliding slot and the second sliding portion 122c includes a sliding rod, 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 sliding slot is disposed on the plate surface of the driving plate 132bc and penetrates through the driving plate 132bc along a thickness direction of the driving plate 132bc. Thus, the driving plate 132bc can effectively drive the driven portion 132b, and the driving plate 132bc occupies a small space compared to a block-shaped object, which is advantageous for the miniaturization of the structure.

One side that the rotating member 122 is equipped with the slide bar includes dodging breach 122d, and the face of driving plate 132bc moves for rotating member 122, and has the clearance between the rotating member 122, so, should dodge breach 122d and provide dodging the space for driving plate 132bc, avoid driving plate 132bc and rotating member 122 to take place to interfere.

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 described above, the light receiving surface of the image sensor 110 can be moved forward and backward with respect to the lens mount surface 101 or rotated forward and backward with respect to the lens mount surface 101 by the combined arrangement of the moving unit 15 and the rotating unit 12. 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 the fixed connection position A1, the connecting member 120 is fixedly connected to the moving member 152 by the fastening member 21, and at the adjustable connection position A2, the connecting member 120 is elastically connected to the moving member 152 by the fastening member 22 and the elastic adjusting member 16. After the arrangement, the fixed connection position A1 can be used as a reference for adjusting the parallelism between the moving member 152 and the connecting member 120, and the parallelism between the image sensor panel 11 and the lens mounting surface 101 can be adjusted by adjusting the deformation amount of the elastic adjusting member 16 at the adjustable connection position A1. 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 positions, one of the connecting positions is a fixed connecting position A1, and the other two connecting positions are adjustable connecting positions 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 scheme of multi-axis adjustment, the adjusting process is simplified, and the adjusting precision can be ensured.

In one embodiment, a 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 rotating 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, so that the parallelism adjusting precision is improved, and the parallelism deviation is reduced.

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 member 16 is inserted into the annular positioning hole 120f and abuts against the connecting member 120, and the other end abuts against the moving member 152, and the deformation direction of the elastic adjusting member 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 adjusting member 16 includes a compression spring, and the compression spring is sleeved outside the fastening member 22 at the adjustable connection portion A2 in a one-to-one correspondence manner, and when the fastening member 22 is rotated in different directions, the compression spring is correspondingly extended or shortened.

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 fitting portions B to be fitted with the plurality of connection portions of the connecting member 120, and the plurality of connection fitting portions B includes a fixed connection fitting portion B1 to be fitted with the fixed connection portion A1 and an adjustable connection fitting portion B2 to be fitted with each adjustable connection portion A2. 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 portion B1 is provided, and is provided corresponding to the fixed connection portion A1. Two adjustable connecting and matching parts B2 are arranged and respectively correspond to the two adjustable connecting parts A2. The two adjustable connection matching parts B2 are respectively positioned at two sides of a straight line C where the center of the accommodating cavity 152a and the center of the fixed connection part B1 are positioned. After the arrangement, the distance between the two adjustable connection matching positions 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 adjusting 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, and in one particular embodiment, the initial installation gap may be set to 3.5mm. 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 2mm. 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 the state where the connecting 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 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, comprising:

an image sensor board provided with an image sensor;

the rotating assembly comprises a connecting piece and a rotating piece, and the rotating piece is rotationally connected with the connecting piece and fixedly connected with the image sensor board; wherein the link includes a link base and a coupling lug extending from the link base toward the image sensor board, the coupling lug includes a shaft hole extending toward the image sensor, and the rotating member includes a shaft body that receives the shaft body;

the motor assembly is in transmission connection with the rotating piece;

2. The photographing apparatus according to claim 1, wherein the connection member and the rotation member have a mounting gap therebetween in parallel;

the shooting equipment further comprises an elastic damping piece, the elastic damping piece is elastically abutted to the connecting piece and the rotating piece and is located in the installation gap, and the elastic damping piece is elastically deformed to enable the connecting piece and the rotating piece to be in a stressed state.

3. The photographing apparatus according to claim 2, wherein the shaft hole extends in a direction opposite to an extending direction of the coupling lug, penetrating the coupling base;

4. The photographing apparatus according to claim 2, wherein the elastic shock absorbing member is an elastic rubber member, and directions of the elastic deformation of the elastic rubber member are perpendicular to the connecting member and the rotating member, respectively;

or the elastic damping piece is a spring.

5. The photographing apparatus according to claim 2, wherein an initial compression amount of the elastic buffer member in a compressed state in a state where the link member is parallel to the rotation member ranges from 1.5mm to 2mm.

6. The photographing apparatus according to claim 2 or 5, wherein the elastic damping member includes a plurality of compression springs that are disposed at intervals and distributed on both sides of a rotation axis of the rotation member;

the plurality of compressed springs are elastically abutted between the connecting piece and the rotating piece, and the original lengths of the plurality of compressed springs are larger than the mounting gap.

7. The photographing apparatus according to claim 6, wherein an equal number of compression springs are provided on both sides of the rotation axis of the rotation member, respectively, and all the compression springs are provided two by two symmetrically on both sides of the rotation axis.

8. The shooting device of claim 6, wherein the connecting member base includes a plurality of positioning posts extending from the connecting member base toward a side surface of the rotating member, the plurality of positioning posts are disposed corresponding to the plurality of pressure springs, and the pressure spring sleeves are sleeved outside the positioning posts in a one-to-one correspondence.

9. The camera device as claimed in claim 1, wherein the motor assembly comprises a motor, and the motor is in transmission connection with the rotating member to rotate the rotating member.

10. The camera device as claimed in claim 9, wherein the motor is directly in transmission connection with the rotating member to rotate the rotating member.

11. The camera device as claimed in claim 9, wherein the motor assembly further comprises a transmission mechanism, the motor drives the rotating member to rotate relative to the rotation axis through the transmission mechanism, the transmission mechanism comprises a driving portion and a driven portion, the driving portion and the driven portion are in transmission connection, the motor is in transmission connection with the driving portion, and the driven portion is in transmission connection with the rotating member.

12. The camera apparatus of claim 11, wherein the transmission mechanism comprises a rack and pinion engagement mechanism.

13. The photographing apparatus according to claim 12, wherein the driving part includes a gear, an output shaft of the motor is in transmission connection with the gear, and an axis of the output shaft coincides with an axis of the gear;

the driven portion includes a rack extending in a direction perpendicular to a rotation axis of the rotary member, the gear is rotatably engaged with the rack in a length direction of the rack, and the rack is reciprocally movable in the direction perpendicular to the rotation axis with respect to the motor.

14. The photographing apparatus according to claim 13, wherein the driven portion includes a first sliding portion, and the rotating member includes a second sliding portion, the first sliding portion being slidable with respect to the second sliding portion;

15. The photographing apparatus according to claim 14, wherein the slide groove extends obliquely from an outer side to an inner side of the connector base body in a direction from the inside to the outside from a thickness of the connector base body;

16. The photographing apparatus according to claim 15, wherein the first sliding portion includes a slide groove, and the second sliding portion includes a slide bar;

17. The photographing apparatus according to claim 16, wherein a side of the rotating member where the slide bar is provided includes an escape notch, a plate surface of the transmission plate moves relative to the rotating member, and the rotating member has a gap therebetween.