CN112954147B

CN112954147B - Camera assembly and electronic equipment

Info

Publication number: CN112954147B
Application number: CN201911281259.7A
Authority: CN
Inventors: 王方哲; 赵楠; 王朝; 罗伟; 马雷; 邓旭同
Original assignee: Honor Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2022-10-21
Anticipated expiration: 2039-12-11
Also published as: CN112954147A

Abstract

The application relates to the technical field of electronic products, in particular to a camera assembly and electronic equipment, wherein the camera assembly comprises a camera bracket, a driving part and a gear assembly; the gear assembly comprises a driving wheel and a driven wheel which are vertically arranged, the driving wheel is connected with a driving part, the driven wheel is connected with the camera support, and the driving wheel drives the driven wheel to drive the camera support to move. According to the camera assembly provided by the application, the driving part is connected with the camera support through the gear assembly, and the power generated by the driving part is transmitted to the camera support through the gear assembly, so that the camera support is pushed to lift; because the gear assembly has higher transmission efficiency, the loss of power in the transmission process is reduced, thereby increasing the thrust received by the camera support, effectively avoiding the abnormal lifting condition of the camera, reducing the failure probability of the electronic equipment and improving the use experience of the electronic equipment.

Description

Camera assembly and electronic equipment

Technical Field

The application relates to the technical field of electronic products, in particular to a camera assembly and electronic equipment.

Background

In recent years, with the increasing abundance and improvement of functions of electronic devices such as mobile phones, tablet computers, and the like, a photographing function has become an indispensable part of the electronic devices, and pursuit of a large screen has been increasing.

In order to realize the full screen of the electronic equipment, a telescopic front-facing camera is usually arranged in the prior art, and the camera is prevented from occupying the space of the screen. The telescopic front camera is connected with a lifting mechanism arranged in the electronic equipment. Generally, the lifting mechanism comprises mechanical parts such as a stepping motor, a gearbox and a lead screw assembly, and power is transmitted to the lead screw assembly after the stepping motor is decelerated by the gearbox, so that the camera is driven to stretch.

However, in the power transmission process, because the stepping motor is small in size, the torque is limited, the efficiency of the transmission mechanism is low, the output force of the lifting mechanism is small, the thrust on the front camera is insufficient, the abnormal lifting of the front camera is easy to cause, and the electronic equipment is easy to break down.

Disclosure of Invention

The application provides a camera subassembly and electronic equipment to avoid leading camera to go up and down unusual problem.

The above and other objects are achieved by the features of the independent claims. Further implementations are presented in the dependent claims, the description and the drawings.

In a first aspect, there is provided a camera assembly comprising: a camera mount, a drive member and a gear assembly; wherein,

the gear assembly comprises a driving wheel and a driven wheel which are vertically arranged, the driving wheel is connected with the driving part, the driven wheel is connected with the camera support, and the driving wheel drives the driven wheel to drive the camera support to move.

In the camera subassembly that this application provided, the gear assembly includes the action wheel and the follow driving wheel of perpendicular setting, and wherein the action wheel is connected with driver part, follows driving wheel and camera leg joint. In the working process of the driving part, the driving part transmits power to the driving wheel, and the driving wheel drives the driven wheel to rotate so as to drive the camera support to move. Because leading camera setting is in camera support, in camera support motion process, realized leading the lift of camera.

The driving part is connected with the camera support through the gear assembly, and power generated by the driving part is transmitted to the camera support through the gear assembly, so that the camera support is pushed to lift; because the gear assembly has higher transmission efficiency, the loss of power in the transmission process is reduced, thereby increasing the thrust received by the camera support, effectively avoiding the abnormal lifting condition of the camera, reducing the failure probability of the electronic equipment and improving the use experience of the electronic equipment.

In one possible implementation, the gear assembly further comprises a spur gear and a rack gear that mesh with each other;

the input end of the straight gear is connected with the output end of the driven wheel;

the output end of the rack is connected with the camera support.

Through setting up straight-teeth gear and rack, effectively improved the transmission efficiency among the power transmission process, reduced the power loss.

In one possible implementation, the spur gear is arranged coaxially with the driven gear.

The straight gear and the driven wheel are coaxially arranged, so that synchronous rotation of the straight gear and the driven wheel is realized.

In one possible implementation, the spur gear includes a first spur gear and a second spur gear;

the rack comprises a first rack and a second rack;

the first straight gear is meshed with the first rack;

the second spur gear is meshed with the second rack;

the output end of the driven wheel is connected with the input end of the first straight gear.

Through setting up first straight-tooth gear and first rack, second straight-tooth gear and second rack, improved the driven stability of gear assembly.

In one possible implementation, a first connecting shaft is arranged between the first straight gear and the driven wheel;

a second connecting shaft is arranged between the first straight gear and the second straight gear;

the shaft axis of the first connecting shaft is superposed with the shaft axis of the second connecting shaft.

Through setting up first connecting axle and second connecting axle for first spur gear and second spur gear all can with follow driving wheel synchronous revolution.

In a possible implementation manner, a third connecting shaft is arranged between the driving wheel and the driving part;

one end of the third connecting shaft is connected with the driving part, and the other end of the third connecting shaft is connected with the driving wheel;

the driving wheel can rotate synchronously with the third connecting shaft.

Through setting up the third connecting axle, realized power transmission, made the action of action wheel at driver element rotate.

In one possible implementation, the camera assembly includes:

a support member having an accommodation space;

the driving wheel and the driven wheel are accommodated in the accommodating space.

Through setting up the supporting component, play the effect of location and support to action wheel and follow driving wheel.

In a possible implementation, each lateral surface of the support member is provided with a through hole;

the third connecting shaft penetrates through one through hole;

the first connecting shaft penetrates through the other through hole.

Through set up the through-hole in every side of support component, be convenient for drive component mounted position's change, save the assemble duration of camera subassembly.

In one possible implementation, the camera bracket is provided with an opening;

the rack is formed inside the opening.

The rack is arranged on the inner side of the opening, so that the space occupied by the rack is saved, and the space occupied by the camera assembly is reduced.

In a possible implementation manner, the number of the openings is two, and the openings are respectively arranged on two opposite side surfaces of the camera support.

Both sides all set up the opening, all set up first rack and second rack at the opening part, further save rack occupation space to, through setting up first rack and second rack in two relative sides, guaranteed that the camera mount atress is even.

In one possible implementation, the driving wheel and the driven wheel are both bevel gears.

The driving wheel and the driven wheel are set to be the bevel gear, the torque output by the driving part can be transmitted through the driving wheel and the driven wheel, the conversion of the power direction is achieved, the bevel gear has high transmission efficiency, and the transmission efficiency of power can be effectively improved.

In a possible implementation manner, the electronic equipment further comprises a bracket used for being connected with the body of the electronic equipment;

the bracket is connected to the camera bracket.

Through setting up the support, realized being connected between camera support and the electronic equipment's body.

In a second aspect, an electronic device is provided, which includes a body and further includes the above camera assembly, and the camera assembly is connected to the body.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a schematic structural diagram of a camera head assembly according to an embodiment of the present application;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic front view of a camera assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic rear view of a camera assembly according to an embodiment of the present application;

FIG. 5 is a schematic top view of the structure of FIG. 3;

FIG. 6 is a schematic structural view of the driving wheel and the driven wheel accommodated in the supporting member;

FIG. 7 is a schematic perspective view of a camera head assembly according to an embodiment of the present application;

fig. 8 is a schematic top view of the structure of fig. 7.

Reference numerals:

1-a camera support; 11-opening; 2-a drive member; 3-a gear assembly; 31-a spur gear; 311-a first straight gear; 312-a second spur gear; 32-a rack; 321-a first rack; 322-a second rack; 33-a driving wheel; 34-a driven wheel; 35-a support member; 351-through holes; 36-a first connecting shaft; 37-a second connecting shaft; 38-a third connecting shaft; 4-a scaffold; 5-a gearbox.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

The terminology used in the following embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the directional terms such as "upper", "lower", "left", "right", etc. described in the embodiments of the present application are described in the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

In order to realize a full screen of an electronic device, the electronic device in the prior art is usually provided with a retractable camera, especially a front camera, so that the electronic device does not occupy the space of the screen.

Leading camera is installed in camera support usually, and camera support is connected with the elevating system in the electronic equipment to reach the telescopic effect of camera. Among the prior art elevating system includes mechanical parts such as step motor, gearbox, lead screw assembly, and step motor is with power transmission to lead screw assembly after the gearbox slows down to it is flexible to drive the camera. However, the stepping motor is small in size, limited in torque and low in efficiency of the transmission mechanism, so that the output force of the lifting mechanism is small, the thrust on the front camera is insufficient, the situation that the front camera is abnormally lifted is easily caused, and the electronic equipment is prone to malfunction.

Taking the following working conditions as an example, the pulse frequency of the motor is 2400pps (pulse per second), when the stepping angle is 18 degrees, the equivalent rotating speed is 120r/s, the reduction ratio of the planetary gear box is 36, and the torque of the motor is 2.6gcm. In the power transmission process, the efficiency of the gearbox is maintained at about 50%, the maximum efficiency of the screw rod is only about 70%, and 65% of thrust loss exists in the power transmission process. If the lead of the screw rod is 2.4mm, 840g of thrust can be output under the working condition.

In view of the above, embodiments of the present application provide a camera assembly and an electronic device, which can solve the above technical problems.

Fig. 1 is a schematic structural diagram of a camera head assembly provided in an embodiment of the present application, and as shown in fig. 1, in the embodiment of the present application, a camera head assembly is provided, where the camera head assembly includes a camera head bracket 1, a driving part 2 and a gear assembly 3; wherein, gear assembly 3 includes action wheel 33 and the follow driving wheel 34 of perpendicular setting, and action wheel 33 is connected with drive unit 2, follows driving wheel 34 and is connected with camera support 1, and action wheel 33 drive follows driving wheel 34 to drive camera support 1 motion.

In the camera assembly that this application embodiment provided, gear assembly 3 includes drive wheel 33 and the follow driving wheel 34 of perpendicular setting, and wherein drive wheel 33 is connected with drive part 2, follows driving wheel 34 and is connected with camera support 1. During the operation of the driving part 2, the driving part 2 transmits power to the driving wheel 33, and the driving wheel 33 drives the driven wheel 34 to rotate so as to drive the camera bracket 1 to move. Because leading camera setting is in camera support 1, in camera support 1 motion process, realized leading the lift of camera.

The driving part 2 is connected with the camera bracket 1 through the gear assembly 3, and the power generated by the driving part 2 is transmitted to the camera bracket 1 through the gear assembly 3, so that the camera bracket 1 is pushed to lift; because the gear assembly 3 has higher transmission efficiency, the loss of power in the transmission process is reduced, so that the thrust received by the camera support 1 is increased, the abnormal lifting condition of the camera is effectively avoided, the failure probability of the electronic equipment is reduced, and the use experience of the electronic equipment is improved.

As a possible implementation manner, the driving component 2 includes a motor, a step motor is adopted in this embodiment, fig. 2 is a schematic view of a top view structure of fig. 1, and as shown in fig. 1 to fig. 2, in order to reduce a rotational speed and increase an output torque of the step motor, a transmission 5 is further disposed between the step motor and the gear assembly 3, that is, an output end of the step motor is connected to the transmission 5, and an output end of the transmission 5 is connected to an input end of the gear assembly 3, so that the gear assembly 3 can rotate at a preset speed.

As a possible realization, the gear assembly 3 further comprises a spur gear 31 and a rack 32 which are meshed with each other, wherein an input end of the spur gear 31 is connected with an output end of the driven wheel 34, and an output end of the rack 32 is connected with the camera head bracket 1, so that power is transmitted from the driving part 2 to the camera head bracket 1.

The transmission efficiency of the straight gear 31 and the rack 32 in the gear assembly 3 is not less than 95%, the transmission efficiency in the power transmission process is effectively improved, and the power loss is reduced.

Because in this embodiment of the application, the output of the stepping motor is connected with the gearbox 5, i.e. the input of the driving wheel 33 is connected with the output of the gearbox 5.

In this embodiment, the driving wheel 33 and the driven wheel 34 are a set of bevel gears, that is, a set of bevel gears is arranged between the transmission case 5 and the straight gear 31, so that the torque output after being reduced by the transmission case 5 can be transmitted through the driving wheel 33 and the driven wheel 34, the power direction is converted, then the driven wheel 34 drives the straight gear 31 to rotate, the straight gear 31 is meshed with the rack 32, the rack 32 is pushed to move, and therefore the lifting motion of the camera support 1 is achieved.

The driving wheel 33 and the driven wheel 34 are bevel gears, the transmission efficiency is not less than 94%, the power generated by the driving part 2 is transmitted to the straight gear 31 through the driving wheel 33 and the driven wheel 34 and then transmitted to the camera support 1 through the rack 32, the transmission efficiency can be not less than 89% in the power transmission process, and the transmission efficiency between the driving part 2 and the camera support 1 is effectively improved.

Taking the following working conditions as an example, the pulse frequency of the motor is 2400pps (pulse per second), when the stepping angle is 18 degrees, the equivalent rotating speed is 120r/s, the reduction ratio of the planetary gear box is 36, and the torque of the motor is 2.6gcm. In the power transmission process, the efficiency of the gearbox 5 is maintained at about 50%, the transmission efficiency of the driving wheel 33 and the driven wheel 34 is not less than 94%, the transmission efficiency of the straight gear 31 and the rack 32 is not less than 95%, and 1068g thrust can be output under the working condition.

Therefore, the thrust applied to the camera support 1 is effectively improved, and the power performance of the camera assembly is improved.

As shown in fig. 1 to 2, in some embodiments, the gear assembly 3 includes a spur gear 31 and a rack 32, the spur gear 31 and the rack 32 are engaged with each other, an input end of the spur gear 31 is connected to an output end of the driven gear 34, and an output end of the rack 32 is connected to the camera bracket 1.

As a possible implementation manner, the driven wheel 34 is arranged coaxially with the spur gear 31, so that the spur gear 31 can rotate synchronously with the driven wheel 34, thereby transmitting power to the spur gear 31 through the driven wheel 34, and realizing the transmission of power.

Specifically, a first connecting shaft 36 is disposed between the driven wheel 34 and the spur gear 31, and both the driven wheel 34 and the spur gear 31 are fixedly connected to the first connecting shaft 36, that is, the output end of the driven wheel 34 is connected to the input end of the spur gear 31 through the first connecting shaft 36, and the input end of the driving wheel 33 is connected to the output end of the driving component 2 through a third connecting shaft 38.

By providing the first connecting shaft 36 between the driven pulley 34 and the spur gear 31, the effect of transmitting power from the driven pulley 34 to the spur gear 31 is achieved, and the spur gear 31 and the driven pulley 34 are effectively rotated synchronously.

In some embodiments, the camera bracket 1 is provided with an opening 11, a rack gear 32 is formed inside the opening 11, and a spur gear 31 is located at the position of the opening 11 to engage with the rack gear 32.

Specifically, the rack 32 and the camera bracket 1 are of an integral structure.

The rack 32 and the camera bracket 1 can form an integrated structure by adopting an injection molding process, so that the connecting structure between the rack 32 and the camera bracket 1 is simplified, and the number of parts is reduced, thereby simplifying the structure of the camera assembly, saving the space occupied by the gear assembly 3 and enabling the structure of the camera assembly to be more compact;

and, the integral type structure has good structural stability, has improved the reliability that rack 32 and camera support 1 are connected.

Fig. 3 is a schematic front view, fig. 4 is a schematic rear view, and fig. 5 is a schematic top view of fig. 3.

As shown in fig. 3 to 5, in other embodiments, the spur gear 31 includes a first spur gear 311 and a second spur gear 312, the rack 32 includes a first rack 321 and a second rack 322, the first spur gear 311 is engaged with the first rack 321, the second spur gear 312 is engaged with the second rack 322, and the output end of the driven wheel 34 is connected to the output end of the first spur gear 311.

As a possible realization, a first connecting shaft 36 is provided between the driven wheel 34 and the first straight gear 311; a second connecting shaft 37 is arranged between the first straight gear 311 and the second straight gear 312; the axis of the first connecting shaft 36 coincides with the axis of the second connecting shaft 37.

In the gear assembly 3, the driven wheel 34 and the first spur gear 311, and the first spur gear 311 and the second spur gear 312 may be respectively connected by a connecting shaft, or may be directly connected by a connecting shaft, that is, the axial line of the first connecting shaft 36 coincides with the axial line of the second connecting shaft 37, at this time, the output end of the driven wheel 34 and the first spur gear 311 are respectively and fixedly connected with the first connecting shaft 36, and the input ends of the first spur gear 311 and the second spur gear 312 are both fixedly connected with the second connecting shaft. During the rotation of the driving wheel 33, the driven wheel 34 rotates synchronously with the driving wheel 33, and at the same time, the first spur gear 311 and the second spur gear 312 are driven to rotate synchronously with the driven wheel 34 through the first connecting shaft 36 and the second connecting shaft 37.

In some embodiments, the camera bracket 1 is provided with two openings 11 and is respectively arranged on two opposite sides of the camera bracket 1, the first rack 321 is formed on the inner side of one opening 11, and the second rack 322 is formed on the inner side of the other opening 11;

the first spur gear 311 is located at one opening 11 position and engaged with the first rack 321, and the second spur gear 312 is located at the other opening 11 position and engaged with the second rack 322.

In the above embodiment, the spur gear 31 includes the first spur gear 311 and the second spur gear 312, the rack 32 includes the first rack 321 and the second rack 322, the driven wheel 34 drives the first spur gear 311 and the second spur gear 312 to move simultaneously, the first rack 321 and the second rack 322 are disposed on two opposite sides of the camera bracket 1, and the first spur gear 311 and the second spur gear 312 rotate synchronously, so that the transmission stability of the gear assembly 3 is improved, the uniform stress of the camera bracket 1 is ensured, when the camera bracket 1 pops up, the popping-up size of one end provided with the first rack 321 is the same as that of one end provided with the second rack 322, and the popping-up fault of the front camera is avoided.

Specifically, the first rack 321 and the second rack 322 are both integrated with the camera bracket 1.

The first rack 321, the second rack 322 and the camera support 1 can adopt an injection molding process to form an integrated structure, so that the connecting structure between the first rack 321 and the camera support 1 and the connecting structure between the second rack 322 and the camera support 1 are simplified, the number of parts is effectively reduced, the structure of the camera assembly is simplified, the space occupied by the gear assembly 3 is also saved, and the structure of the camera assembly is more compact.

In addition, the integrated structure has good structural stability, and the reliability of connection between the first rack 321 and the camera bracket 1 and the reliability of connection between the second rack 322 and the camera bracket 1 are improved, so that the structural reliability of the camera assembly is improved.

In some embodiments, a third connecting shaft 38 is provided between the driving wheel 33 and the driving part 2; one end of the third connecting shaft 38 is connected with the driving part 2, and the other end is connected with the driving wheel 33; the capstan 33 can rotate in synchronism with the third connecting shaft 38.

In the embodiment of the present application, since the output end of the driving member 2 is provided with the transmission 5, one end of the third connecting shaft 38 is connected to the input end of the driving wheel, and the other end is connected to the output end of the transmission.

By providing the third connecting shaft 38 between the input of the drive pulley 33 and the gearbox 5, power transmission is achieved, effectively transmitting the power generated by the drive component 2 through the third connecting shaft 38 into the drive pulley 33, so that the drive pulley 33 rotates.

Fig. 6 is a schematic structural view illustrating the driving pulley 33 and the driven pulley 34 accommodated in the supporting member 35, fig. 7 is a schematic perspective structural view illustrating a camera assembly according to an embodiment of the present application, and fig. 8 is a schematic top structural view illustrating fig. 7.

As shown in fig. 6 to 8, in some embodiments, the camera head assembly further includes a supporting member 35, the supporting member 35 has an accommodating space, and the driving pulley 33 and the driven pulley 34 are accommodated in the accommodating space.

The support member 35 is fixedly connected to the main body of the electronic device by means of bonding, bolting, or the like.

Meanwhile, a part of the structure in the supporting member 35 may be connected to the third connecting shaft 38 between the drive pulley 33 and the transmission case 5, so as to reduce a force applied to the third connecting shaft 38 in a direction perpendicular to the extending direction of the third connecting shaft 38, and avoid damage to the third connecting shaft 38 due to stress concentration; the other part of the supporting member 35 can be connected to the first connecting shaft 36 between the driven wheel 34 and the first straight gear 311 to reduce the force applied to the first connecting shaft 36 perpendicular to the extending direction of the first connecting shaft 36, so as to avoid the first connecting shaft 36 from being damaged due to stress concentration.

In the embodiment of the present application, the supporting component 35 is a rectangular parallelepiped structure having a containing cavity, at least two sides of the rectangular parallelepiped are provided with through holes 351, and the two sides are adjacently disposed, the driving wheel 33 is located in the containing cavity and connected to the transmission case 5 through a third connecting shaft passing through the through hole 351, and the third connecting shaft 38 is rotatably connected to the supporting component 35 at the through hole 351; the driven wheel 34 is positioned in the accommodating cavity and meshed with the driving wheel 33, the driven wheel 34 is connected with the first connecting shaft 36 and is connected with the first straight gear 311 through the other through hole 351 by the first connecting shaft 36, and the first connecting shaft 36 is rotatably connected with the supporting part 35 at the other through hole 351.

Specifically, both the first connecting shaft 36 and the third connecting shaft 38 may be connected to the support member 35 through bearings.

In some embodiments, each side of the supporting member 35 is provided with a through hole 351 so that the position of the driving member 2 can be adjusted according to the space inside the electronic apparatus body when the driving member 2 is coupled with the camera stand 1 through the gear assembly 3. Since each side surface of the supporting member 35 is provided with the through hole 351, the flexibility of the mounting position of the driving member 2 is improved, and the driving member 2 is convenient to change the position, thereby saving the assembly time between the camera assembly and the electronic apparatus body.

In addition, each side of the supporting member 35 is provided with the through hole 351, so that the supporting member 35 is prevented from being reversely mounted, the mounting requirement of the supporting member 35 is reduced, and the mounting efficiency of the supporting member 35 is improved.

As a possible embodiment, a bracket 4 is arranged outside the camera bracket 1, and the camera bracket 1 is connected with the body of the electronic device through the bracket 4.

Above-mentioned support 4 and electronic equipment's body fixed connection, sliding connection between camera support 1 and the support 4, at the 1 lift in-process of drive part 2 drive camera support, camera support 1 is reciprocating motion for support 4, promptly, when support 4 is connected electronic equipment body and camera support 1, has played the effect of support to camera support 1.

The embodiment of the application also provides electronic equipment which comprises a body and the camera assembly, wherein the camera assembly is connected to the body.

In order to facilitate the installation and replacement of the camera assembly, the body and the camera assembly are detachably connected.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A camera head assembly, comprising: the camera comprises a camera bracket (1), a driving part (2) and a gear assembly (3); wherein,

the gear assembly (3) comprises a driving wheel (33) and a driven wheel (34) which are vertically arranged, the driving wheel (33) is connected with the driving part (2), the driven wheel (34) is connected with the camera support (1), and the driving wheel (33) drives the driven wheel (34) to drive the camera support (1) to move;

the camera support (1) is provided with two openings (11), and the two openings (11) are respectively arranged on two opposite side surfaces of the camera support (1);

the gear assembly (3) further comprises a straight gear (31) and a rack (32) which are meshed with each other;

the rack (32) includes a first rack (321) and a second rack (322), the first rack (321) being formed inside one of the openings (11), the second rack (322) being formed inside the other opening (11); spur gear (31) includes first spur gear (311) and second spur gear (312), first spur gear (311) is located one opening (11) position department, with first rack (321) meshing, second spur gear (312) is located another opening (11) position department, with second rack (322) meshing, just first spur gear (311) with be provided with second connecting axle (37) between second spur gear (312).

2. Camera assembly according to claim 1, characterized in that the spur gear (31) is arranged coaxially with the driven gear (34).

3. A camera head assembly according to claim 1,

the output end of the driven wheel (34) is connected with the input end of the first straight gear (311).

4. A camera assembly according to claim 3, characterized in that a first connecting shaft (36) is arranged between the first straight gear (311) and the driven wheel (34);

the axial lead of the first connecting shaft (36) is superposed with the axial lead of the second connecting shaft (37).

5. Camera assembly according to claim 4, characterized in that a third connecting shaft (38) is provided between the driving wheel (33) and the driving part (2);

one end of the third connecting shaft (38) is connected with the driving part (2), and the other end of the third connecting shaft is connected with the driving wheel (33);

the driving wheel (33) can synchronously rotate with the third connecting shaft (38).

6. A camera assembly according to claim 5, comprising:

a support member (35), the support member (35) having an accommodation space;

the driving wheel (33) and the driven wheel (34) are accommodated in the accommodating space.

7. Camera assembly according to claim 6, characterized in that each side of the support part (35) is provided with a through hole (351);

the third connecting shaft (38) penetrates through one through hole (351);

the first connecting shaft (36) penetrates through the other through hole (351).

8. Camera head assembly according to claim 1, wherein the driving wheel (33) and the driven wheel (34) are both bevel gears.

9. Camera head assembly according to claim 1, characterized by further comprising a bracket (4) for connection with the body of the electronic device;

the support (4) is connected to the camera support (1).

10. An electronic device comprising a body, wherein the electronic device further comprises a camera assembly according to any of claims 1-9, the camera assembly being coupled to the body.