CN209659436U - A kind of camera transmission component and electronic equipment - Google Patents

Abstract

The utility model discloses a kind of camera transmission component and electronic equipments, are related to technical field of electronic equipment.Including shell, and it is arranged in the intracorporal driving device of the shell, rotary components and gap-eliminating structure, the rotary components include rotation gear, the driving device is sequentially connected by the rotation gear and the rotary components, the gap-eliminating structure includes the first gear and second gear of coaxial core setting, the first gear is fixedly connected with the central spindle, the second gear and the central spindle are rotatablely connected, elastic component is provided between the first gear and the second gear, the first gear and the second gear are engaged with the rotation gear respectively, the elastic component, which has, provides the elastic potential energy of the first gear and second gear relative rotation trend.It is able to ascend reliability when camera rotation, and promotes positioning accuracy.

Description

A kind of camera transmission component and electronic equipment

Technical field

The utility model relates to technical field of electronic equipment, in particular to a kind of camera transmission component and electronics Equipment.

Background technique

Camera is a kind of video input apparatus, is widely applied on various electronic equipments.Camera exists for The production and living of people provide a great convenience, and with the raising of people's quality of the life, the requirement to camera is also got over Hair improves, not only on its image quality resolution ratio promotion, to the stability of its structure, rotation-controlled and rotation it is steady Better effect is also required on qualitative.

In existing camera drive technology, to prevent from occurring during gear drive stuck phenomenon or for the flank of tooth Between lubricating oil film there are spaces, generally in the non-working surface of gear, there are certain backlash.With the increasing for using the time Long, the gap of gear can be gradually increased between tooth form abrasion, engagement, due to there are the sideshake of gear, leading to camera forward direction and anti- It is poor to there are backhauls when rotation, cause repetitive positioning accuracy not high, influences user experience.

Utility model content

The purpose of this utility model is to provide a kind of camera transmission component and electronic equipments, are able to ascend camera and turn Reliability when dynamic, and promote positioning accuracy.

The embodiments of the present invention are achieved in that

The one side of the utility model embodiment provides a kind of camera transmission component, including shell, and is arranged in institute The intracorporal driving device of shell, rotary components and gap-eliminating structure are stated, the rotary components include rotation gear, and the driving device is logical It crosses the rotation gear and the rotary components to be sequentially connected, the gap-eliminating structure includes the first gear and the of coaxial core setting Two gears, the first gear are fixedly connected with the central spindle, and the second gear and the central spindle are rotatablely connected, described the Be provided with elastic component between one gear and the second gear, the first gear and the second gear respectively with the rotation Gear engagement, the elastic component, which has, provides the elastic potential energy of the first gear and second gear relative rotation trend.

Optionally, the driving device includes driving motor, and passes through planet-gear speed reducer and the driving motor The output gear of transmission connection, the output gear are engaged with the rotation gear.

Optionally, it is separately provided for accommodating institute jointly on the first gear and the opposite surface of the second gear State the first groove and the second groove of elastic component.

Optionally, the elastic component be compressed spring, one end of first groove be provided with first protrusion, described second One end of groove is provided with the second protrusion, and the both ends of the compressed spring are supported with first protrusion and second protrusion respectively It holds.

Optionally, the gap-eliminating structure further includes angular transducer, and the angular transducer is connect with the central spindle, is used for Detect the rotation angle of the rotation gear.

Optionally, the rotary components further include rotary shaft, and the rotation gear is fixed in the rotary shaft, the rotation One end of shaft is fixedly connected with swivel mount, for rotating the camera being fixed on swivel mount with the swivel mount.

Optionally, the driving device and the gap-eliminating structure are distributed in the rotation gear two sides.

Optionally, the transverse tooth thickness of the rotation gear is greater than the sum of the first gear and the second gear transverse tooth thickness.

Optionally, the shell includes the front housing and rear shell of mutual pairing, and the front housing is detachably connected with the rear shell.

The another aspect of the utility model embodiment provides a kind of electronic equipment, including described in any one as described above Camera transmission component.

The beneficial effect of the utility model embodiment includes:

Camera transmission component and electronic equipment provided by the embodiment of the utility model, by being arranged in the intracorporal driving of shell Device and the rotary components being sequentially connected with driving device, powered rotation and stable transmission for camera.Pass through The first gear and second gear being meshed respectively with the rotation gear of rotary components, gear teeth when making to rotate gear positive and negative rotation Engagement place is without excessive gap, and then the backhaul eliminated when rotation gear positive and negative rotation is poor.By making first gear and second gear There is compression surplus between the gear teeth of the elastic component mutually staggered, first gear and second gear, reduce in transmission process and nibble Stuck probability at conjunction is conducive to promote the stability in camera rotary course, and promotes positioning accuracy.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is one of the structural schematic diagram of camera transmission component provided by the embodiment of the utility model；

Fig. 2 is the second structural representation of camera transmission component provided by the embodiment of the utility model；

Fig. 3 is one of first gear provided by the embodiment of the utility model and the structural schematic diagram of second gear；

Fig. 4 is the second structural representation of first gear provided by the embodiment of the utility model and second gear；

Fig. 5 is the structural schematic diagram of shell provided by the embodiment of the utility model.

Icon: 100- camera transmission component；110- shell；112- front housing；114- rear shell；120- driving device；122- Driving motor；124- planet-gear speed reducer；126- output gear；130- rotary components；132- rotates gear；134- rotation Axis；136- swivel mount；140- gap-eliminating structure；142- central spindle；144- first gear；The first protrusion of 1444-；146- second gear； The second groove of 1462-；The second protrusion of 1464-；148- elastic component；149- angular transducer.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " etc. are only used for distinguishing description, It is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It is complete horizontal, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

Fig. 1 is please referred to, the present embodiment provides a kind of camera transmission components 100, including shell 110, and are arranged in shell Driving device 120, rotary components 130 and gap-eliminating structure 140 in body 110, rotary components 130 include rotation gear 132, driving Device 120 is sequentially connected by rotation gear 132 and rotary components 130, and gap-eliminating structure 140 includes that coaxial core 142 is arranged One gear 144 and second gear 146, first gear 144 are fixedly connected with central spindle 142, and second gear 146 and central spindle 142 rotate Connection, refer again to Fig. 4, elastic component 148,144 He of first gear is provided between first gear 144 and second gear 146 Second gear 146 is engaged with rotation gear 132 respectively, and elastic component 148, which has, provides first gear 144 and 146 phase of second gear To the elastic potential energy of rotation trend.

Specifically, being provided with D type limit hole in first gear 144, the flat position of D profile shaft is correspondingly arranged in central spindle 142, in this way One, so that it may so as to be fixedly connected between first gear 144 and central spindle 142, and can to avoid after 144 stress of first gear with It relatively rotates between central spindle 142, is conducive to be promoted stability when 144 engaged transmission of first gear.In addition, second gear 146 are rotatablely connected with central spindle 142, settable between second gear 146 and central spindle 142 in order to guarantee stationarity when rotation There is bearing, not only contribute to reduce noise when rotation, is also beneficial to extend the service life of central spindle 142.

It should be noted that the utility model embodiment is not particularly limited the form and number of elastic component 148, example , the number of elastic component 148 may be configured as two or three, in order to enhance the stabilization between first gear 144 and second gear 146 Property, along the center line symmetrical setting of first gear 144 between elastic component 148.The tooth form of first gear 144 and second gear 146 Identical, elastic component 148 can be extension spring, or compressed spring, as long as can make under the action of elastic component 148 The gear teeth of first gear 144 and second gear 146 mutually stagger.In practical cooperation, first gear 144 and second gear 146 gear teeth are staggered small angle so that the gear teeth of first gear 144 and second gear 146 simultaneously with rotation gear 132 Same tooth socket is meshed.

Camera transmission component 100 provided by the embodiment of the utility model, passes through the driving device being arranged in shell 110 120 and with driving device 120 be sequentially connected rotary components 130, be camera powered rotation and stable transmission. By the first gear 144 and second gear 146 being meshed with the rotation gear 132 of rotary components 130 respectively, make to rotate gear Without excessive gap at gear teeth meshing when 132 positive and negative rotation, and then the backhaul eliminated when rotation 132 positive and negative rotation of gear is poor.It is logical Cross the elastic component 148 for mutually staggering first gear 144 and second gear 146, the wheel of first gear 144 and second gear 146 There is compression surplus between tooth, reduce the stuck probability in engagement place in transmission process, be conducive to promote camera rotary course In stability, and promote positioning accuracy.

As shown in Fig. 2, driving device 120 includes driving motor 122, and pass through planet-gear speed reducer 124 and driving The output gear 126 that motor 122 is sequentially connected, output gear 126 are engaged with rotation gear 132.

Specifically, there is bearing capacity height, long service life, smooth running, noise using planet-gear speed reducer 124 Low, the characteristics of output torque is big, and speed ratio is big, high-efficient, performance safety, be conducive to the stability for promoting transmission.In addition, output gear The transmission of parallel axes train is formed between wheel 126 and rotation gear 132, is conducive to keep structure more compact, and simplifies connection structure, Make easier for installation.

As shown in Figure 3 and Figure 4, it is separately provided on first gear 144 and the opposite surface of second gear 146 common Accommodate the first groove (being not shown in Fig. 3) and the second groove 1462 of elastic component 148.

Specifically, in order to reduce the gap between first gear 144 and second gear 146, in first gear 144 and second The first groove and the second groove 1462 are respectively arranged on gear 146, wherein the quantity root of the first groove and the second groove 1462 It is correspondingly arranged according to the quantity of elastic component 148.So, be conducive to make more to step up between first gear 144 and second gear 146 It gathers, is conducive to first gear 144 and second gear 146 and is engaged respectively with rotation gear 132, and promote the stability of engagement.

As shown in figure 4, elastic component 148 is compressed spring, it is convex that one end of the first groove (being not shown in Fig. 4) is provided with first Play 1444, one end of the second groove 1462 is provided with the second protrusion 1464, the both ends of compressed spring respectively with the first protrusion 1444 It is supported with the second protrusion 1464.

Specifically, the first protrusion 1444 extends in the second groove 1462, the second protrusion 1464 is extended in the first groove, And the first protrusion 1444 and the second protrusion 1464 are located at the accommodation groove both ends that the first groove and the second groove 1462 are collectively formed, So that the both ends of compressed spring have it is stable support position, be conducive to that elastic component 148 is made to provide continual and steady resilient support, subtract It is small because being staggered between first gear 144 and second gear 146 after, so that the first groove and the both ends of the second groove 1462 is formed mistake Position end face, and then influence the probability that elastic component 148 supports stability.

As shown in Fig. 2, gap-eliminating structure 140 further includes angular transducer 149, angular transducer 149 is connect with central spindle 142, For detecting the rotation angle of rotation gear 132.

Specifically, rotation angle of the angular transducer 149 by detection central spindle 142, and then learn the rotation of rotation gear 132 Gyration can make up returning for rotation gear 132 since first gear 144 and second gear 146 have small offset angular Path difference, and then the accuracy of detection is promoted, be conducive to be precisely controlled camera shooting head-turned angle.

As shown in Figure 1, rotary components 130 further include rotary shaft 134, rotation gear 132 is fixed in rotary shaft 134, is revolved One end of shaft 134 is fixedly connected with swivel mount 136, for making the camera being fixed on swivel mount 136 with swivel mount 136 Rotation.

Specifically, rotation gear 132 is fixed in rotary shaft 134, rotation gear 132 is rotated coaxially with rotary shaft 134, is revolved When rotating disk 132 rotates, swivel mount 136 is driven to rotate synchronously by rotary shaft 134, and then realize the rotation of camera.

As shown in Figure 1, driving device 120 and gap-eliminating structure 140 are distributed in rotation 132 two sides of gear.

So, the producing balanced forces of rotation gear 132 be may advantageously facilitate, promoted steady when rotation gear 132 rotates Property, in addition, being conducive to promote the lightening of camera transmission component 100, convenient for the assembling with other assemblies.

Optionally, the transverse tooth thickness for rotating gear 132 is greater than the sum of 146 transverse tooth thickness of first gear 144 and second gear.

So, be conducive to rotation gear 132 sufficiently to engage with first gear 144 and second gear 146 respectively, be promoted The stability of the field of conjugate action, reducing influences the probability being normally driven because axially engaging deviation.

As shown in figure 5, shell 110 includes the front housing 112 and rear shell 114 of mutual pairing, front housing 112 and rear shell 114 are removable Unload connection.

So, the assembly of 110 inner driving device 120 of shell, rotary components 130 and gap-eliminating structure 140 is facilitated to assemble, Reduce operation difficulty.

The working principle of camera transmission component 100 is that driving motor 122 rotates, and planet-gear speed reducer 124 is driven to send out Raw transmission is made so that the output gear 126 connecting with 124 output end of planet-gear speed reducer be driven to rotate by gear engagement The rotation of gear 132 must be rotated, so that the swivel mount 136 being fixedly connected with rotation gear 132 be driven to revolve around rotation 132 center of gear Turn, camera is installed on swivel mount 136, to realize the rotation function of camera.Secondly, angular transducer 149 can be right The rotation angle of central spindle 142 is detected, and then is detected to the rotation angle of rotation gear 132；The of gap-eliminating structure 140 One gear 144 and second gear 146 respectively with 132 engaged transmission of rotation gear, during engagement, since tooth form is identical Elastic component 148 in the circumferential direction, first gear 144 and second gear are provided between first gear 144 and second gear 146 146 can be staggered a small angle so that first gear 144 and second gear 146 respectively with the rotation same tooth socket two of gear 132 Side zero-clearance is adjacent to engagement, and the backhaul for eliminating meshing backlass generation is poor, and then promotes reliability when camera rotation, and promoted Positioning accuracy.

The utility model embodiment also discloses a kind of electronic equipment, the camera transmission component including any one as above 100.The electronic equipment includes structure identical with the camera transmission component 100 in previous embodiment and beneficial effect.Camera shooting The structure and beneficial effect of head transmission component 100 are described in detail in the aforementioned embodiment, and details are not described herein.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of camera transmission component, which is characterized in that including shell, and setting the intracorporal driving device of the shell, Rotary components and gap-eliminating structure, the rotary components include rotation gear, and the driving device passes through the rotation gear and institute Rotary components transmission connection is stated, the gap-eliminating structure includes the first gear and second gear of coaxial core setting, first tooth Wheel is fixedly connected with the central spindle, and the second gear and the central spindle are rotatablely connected, in the first gear and described second Elastic component is provided between gear, the first gear and the second gear are engaged with the rotation gear respectively, the bullet Property part have and provide the first gear and the second gear relatively rotates the elastic potential energy of trend.

2. camera transmission component according to claim 1, which is characterized in that the driving device includes driving motor, And the output gear by planet-gear speed reducer and driving motor transmission connection, the output gear and the rotation Gear engagement.

3. camera transmission component according to claim 1 or 2, which is characterized in that the first gear and described second It is separately provided for accommodating the first groove of the elastic component and the second groove jointly on the opposite surface of gear.

4. camera transmission component according to claim 3, which is characterized in that the elastic component is compressed spring, described One end of first groove is provided with the first protrusion, and one end of second groove is provided with the second protrusion, the compressed spring Both ends are supported with first protrusion and second protrusion respectively.

5. camera transmission component according to claim 4, which is characterized in that the gap-eliminating structure further includes angle sensor Device, the angular transducer are connect with the central spindle, for detecting the rotation angle of the rotation gear.

6. camera transmission component according to claim 1, which is characterized in that the rotary components further include rotary shaft, The rotation gear is fixed in the rotary shaft, and one end of the rotary shaft is fixedly connected with swivel mount, is fixed on for making Camera on swivel mount is rotated with the swivel mount.

7. camera transmission component according to claim 1, which is characterized in that the driving device and the gap-eliminating structure It is distributed in the rotation gear two sides.

8. camera transmission component according to claim 1 or claim 7, which is characterized in that the transverse tooth thickness of the rotation gear is greater than The sum of the first gear and the second gear transverse tooth thickness.

9. camera transmission component according to claim 1, which is characterized in that the shell includes the front housing of mutual pairing And rear shell, the front housing are detachably connected with the rear shell.

10. a kind of electronic equipment, which is characterized in that including camera transmission component described in any one of claim 1-9.