CN209839539U

CN209839539U - Separable lifting camera

Info

Publication number: CN209839539U
Application number: CN201920407912.9U
Authority: CN
Inventors: 李志锋; 王磊; 张良威
Original assignee: Leading Technology (dongtai) Co Ltd
Current assignee: Leading Technology (dongtai) Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-12-24
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a detachable lift camera, including support frame and motor, be provided with camera module and lifting unit on the support frame, lifting unit include the lead screw and with lead screw matched with guiding mechanism, be provided with the movable block with guiding mechanism sliding connection on the lead screw, the camera module has the extension with guiding mechanism sliding connection, be provided with on the guiding mechanism and be used for keeping extension and movable block contact complex elastomeric element, the output and the lead screw coaxial coupling of motor, camera module and movable block can carry out linear motion along lead screw and guiding mechanism together. The utility model discloses can realize camera module and lifting unit's detachable dynamic connection to play the effect of buffer protection, thereby improved impact resistance, stability, reliability and the life of product, simple structure moreover, processing, equipment are convenient, low in production cost, and then enlarged the application and the development of product.

Description

Separable lifting camera

Technical Field

The utility model relates to a mechanical transmission technical field especially relates to a detachable lift camera.

Background

With the rapid development of science and technology, 3C electronic products have been widely used in the work and life of people, especially in mobile terminal electronic devices such as mobile phones and tablet computers. In order to meet the consumption experience of people, a high screen ratio or full screen technology becomes a main development trend of the electronic equipment, the advantages of high screen ratio or full screen atmosphere, attractiveness and the like are prominent, the consumption experience of people is met, and the screen requirement of people on the electronic equipment is higher and higher. However, since technologies such as an integrated camera under a screen are far from mature, the camera cannot penetrate through a display screen to take a picture, so a front-facing camera must be designed in an area outside the display screen, and in order to realize a full-screen, the camera is often hidden on the back of the display screen, and is extended when taking a picture, that is, the camera is designed to be capable of being lifted, and a new wave has been formed in recent years as a lifting camera technology for realizing an effective mode of the full-screen.

Among the prior art, lift camera mainly has the manual formula of popping out of pressing, manual rotation type, variable speed motor is automatic to be the formula etc, but current lift camera exists certainly in the design, camera module and transmission guiding mechanism often adopt rigid connection, when the camera module receives the impact, the impact force of production can all act on transmission guiding mechanism, can make driving medium or guide produce irreversible damage such as fracture, thereby lead to the stability and the reliability difference of lift camera, damaged, life-span hangs down etc, the application and the development of lift camera have been restricted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that above-mentioned current lift camera exists, provide a detachable lift camera.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a detachable lift camera, including support frame and motor, be provided with the camera module on the support frame and with camera module matched with lifting unit, lifting unit includes the lead screw and with lead screw matched with guiding mechanism, be provided with the movable block with guiding mechanism sliding connection on the lead screw, movable block and lead screw threaded connection, the camera module has the extension with guiding mechanism sliding connection, be provided with on the guiding mechanism and be used for keeping extension and movable block contact complex elastomeric element, the output and the lead screw coaxial coupling of motor, camera module and movable block can carry out linear motion along lead screw and guiding mechanism together, elastomeric element's extension direction is unanimous with the ascending direction of camera module.

The utility model has the advantages that: elastic component can keep the extension of camera module and the movable block contact cooperation of lifting unit, when the camera module receives external force and assaults, the camera module compresses elastic component through its extension, thereby make extension separate along guiding mechanism and movable block, realize camera module and lifting unit's detachable dynamic connection, thereby play the effect of buffering protection, prevent that the impact force direct action from driving member, the damage of driving member has been reduced effectively, thereby the shock resistance of product has been improved, and high stability, reliability and life, and simple structure, processing, convenient assembling, low in production cost, and then the application and the development of product have been enlarged.

In some embodiments, the guiding mechanism includes a guiding rod, the elastic component is a spring sleeved on the guiding rod, the moving block is provided with a first through hole slidably connected with the guiding rod, and the extending portion is provided with a second through hole slidably connected with the guiding rod.

In some embodiments, the moving block is provided with a buffer block matched with the extending part, so that the moving block is safer and more reliable.

In some embodiments, the supporting frame is provided with a third through hole in sliding connection with the camera module, and a sealing ring matched with the camera module is arranged at an outlet of the third through hole.

In some embodiments, the motor is connected with the screw rod through the transmission, so that the output torque is improved, and the lifting speed of the camera module is convenient to control.

In some embodiments, the transmission includes a housing, the housing has a cylindrical inner cavity, a plurality of speed change assemblies arranged along an axial direction of the housing and matched with each other are arranged in the housing, each speed change assembly includes a sun gear, more than two planetary gears in friction transmission fit with the sun gear and a planet carrier matched with the planetary gears, the planetary gears are in friction transmission fit with an inner wall of the housing, an output shaft of the motor is coaxially connected with the sun gear close to the motor, and the lead screw is coaxially connected with a central shaft of the planet carrier close to the motor.

In some embodiments, the planet carrier comprises a support plate, one side of the support plate is provided with a plurality of connecting shafts matched with the planet wheels, and the central shaft is arranged on the other side of the support plate.

In some embodiments, a bearing is disposed in the housing proximate to an end of the lead screw for mating with the lead screw.

In some embodiments, the inner wall of the housing, the surface of the planet wheel and the surface of the sun wheel are each provided with an anti-slip layer.

In some embodiments, the surface of the sun gear is uniformly provided with a plurality of axially arranged first grooves along the circumferential direction, the surface of the planet gear is uniformly provided with a plurality of second grooves matched with the first grooves along the circumferential direction, and the inner wall of the shell is uniformly provided with a plurality of axially arranged third grooves matched with the second grooves along the circumferential direction.

In addition, in the technical solutions of the present invention, the technical solutions can be implemented by adopting conventional means in the art, which are not specifically described.

Drawings

Fig. 1 is the utility model relates to a structural schematic diagram of detachable lift camera.

Fig. 2 is a perspective view of the transmission of the present invention.

Fig. 3 is a cross-sectional view of the transmission of the present invention.

Fig. 4 is a perspective view of the transmission with the housing removed.

Fig. 5 is a perspective view of the planet carrier of the present invention.

The numbers in the figures indicate that the transmission 1, the housing 11, the third groove 111, the flange 112, the fourth through hole 113, the transmission assembly 12, the sun gear 121, the first groove 1211, the planet gear 122, the second groove 1221, the planet carrier 123, the support plate 1231, the connecting shaft 1232, the central shaft 1233, the bearing 13, the support frame 2, the third through hole 21, the sealing ring 22, the limit baffle 23, the motor 3, the camera module 4, the extension 41, the second through hole 411, the lifting assembly 5, the lead screw 51, the guide mechanism 52, the guide rod 521, the moving block 53, the first through hole 531, the elastic component 54, and the buffer block 55.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Further, it should be noted that the terms "axial," "circumferential," "one end," "one face," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the elements referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be construed as limiting the present invention, and the terms "first," "second," and the like are used for descriptive purposes only and are not intended to indicate or imply relative importance.

Example (b):

a separable lifting camera comprises a support frame 2 and a motor 3, a camera module 4 and a lifting assembly 5 matched with the camera module 4 are arranged on the support frame 2, the lifting assembly 5 comprises a lead screw 51 and a guide mechanism 52 matched with the lead screw 51, the guide mechanism 52 can adopt a guide rod or a slide rail and the like, a moving block 53 connected with the guide mechanism 52 in a sliding manner is arranged on the lead screw 51, the moving block 53 is connected with the lead screw 51 in a threaded manner, the guide mechanism 52 is used for limiting the moving block 53 to rotate along with the lead screw 51 and enabling the moving block 53 to only perform linear motion along the lead screw 51 and the guide mechanism 52, the camera module 4 is provided with an extension part 41 connected with the guide mechanism 52 in a sliding manner, the guide mechanism 52 is provided with an elastic part 54 used for keeping the extension part 41 and the moving block 53 in contact and matching, and the output end of the motor 3 is coaxially connected, the extending direction of the elastic member 54 coincides with the ascending direction of the camera module 4. When the camera module 4 is used, the motor 3 drives the lead screw 51 to rotate, the elastic component 54 keeps the protruding part 41 of the camera module 4 in contact fit with the moving block 53, and the camera module 4 and the moving block 53 can move linearly along the lead screw 51 and the guide mechanism 52 together, namely, the camera module 4 can move up and down.

Compared with the prior art, the beneficial effects of the utility model are that: elastic component 54 can keep the protruding portion 41 of camera module 4 and the movable block 53 contact cooperation of lifting unit 5, when camera module 4 receives external force and assaults, camera module 4 compresses elastic component 54 through its protruding portion 41, thereby make protruding portion 41 separate with movable block 53 along guiding mechanism 52, realize camera module 4 and lifting unit 5's detachable dynamic connection, thereby play the effect of buffer protection, prevent that the impact force direct action from the drive component, the damage of drive component has been reduced effectively, thereby the shock resistance of product has been improved, stability, reliability and life, moreover, the steam generator is simple in structure, processing, the equipment is convenient, low in production cost, and then the application and the development of product have been enlarged.

Preferably, the guide mechanism 52 includes the guide rod 521, the elastic component 54 is a spring sleeved on the guide rod 521, the moving block 53 is provided with a first through hole 531 slidably connected with the guide rod 521, and the extension portion 41 is provided with a second through hole 411 slidably connected with the guide rod 521.

Preferably, the moving block 53 is provided with a buffer block 55 matched with the extension portion 41, when the camera module 4 is impacted by external force, the camera module 4 compresses the elastic component 54 through the extension portion 41, so that the extension portion 41 is separated from the moving block 53 along the guide mechanism 52, the elastic component 54 elastically recovers and then the extension portion 41 touches the buffer block 55, which is equivalent to that the impact force is directly conducted to the outside through the elastic component 54 and the buffer block 55, and does not act on the transmission component, so that the transmission component can be better protected, the buffer performance and the impact resistance of the product are improved, and the safety and the reliability are improved.

Preferably, the material of the buffer block 55 can be rubber, polyurethane or foam, the rubber has the advantages of good elasticity, high strength, low price and the like, the polyurethane has the advantages of high flexibility, rebound resilience, mechanical strength, oxidation stability, excellent oil resistance and the like, and the foam has the advantages of elasticity, light weight, quick pressure-sensitive fixation, convenience in use, free bending, ultrathin volume, reliable performance and the like.

Preferably, the support frame 2 is provided with a third through hole 21 slidably connected with the camera module 4, and an outlet of the third through hole 21 is provided with a sealing ring 22 matched with the camera module 4, so that dust, water and the like can be prevented from entering the support frame through the sealing ring 22, and the support frame is safer and more reliable.

Preferably, the support frame 2 is further provided with two limit baffles 23 matched with the moving block 53, the two limit baffles 23 are respectively located at two ends of the lead screw 51 and used for limiting two limit positions of the moving block 53, and the stability and the safety are higher.

Preferably, the motor 3 is connected with the screw rod 51 through the transmission 1, so that not only is the output torque increased, but also the rotating speed of the screw rod 51 is convenient to adjust, and therefore the lifting speed of the camera module 4 can be better controlled.

Preferably, the transmission 1 includes a housing 11, the housing 11 has a cylindrical inner cavity, two transmission assemblies 12 arranged along the axial direction of the housing 11 and engaged with each other are disposed in the inner cavity of the housing 11, the transmission assemblies 12 include a sun gear 121, more than two planet gears 122 engaged with the sun gear 121 in a friction transmission manner, and a planet carrier 123 engaged with the planet gears 122, the planet gears 122 are generally three and uniformly arranged along the circumferential direction of the sun gear 121, the planet gears 122 are engaged with the inner wall of the housing 11 in a friction transmission manner, the output shaft of the motor 3 is coaxially connected with the sun gear 121 close to the output shaft, the screw 51 is coaxially connected with the central shaft 1233 of the planet carrier 123 close to the screw, that is, the sun gear 121 of one transmission assembly 12 is coaxially connected with the output shaft of the motor 3, the central shaft 1233 of the planet carrier 123 of the other transmission assembly 12 is coaxially connected with the sun gear 121 of the other transmission assembly 12, so that two-stage shifting is achieved by two shift assemblies 12 arranged axially. In addition, one or more speed changing assemblies 12 can be provided according to the size, speed requirement and other specific conditions of the product, so that different requirements of users can be met conveniently.

When the transmission device is used, the motor 3 drives the sun gear 121 of the transmission assembly 12 to rotate, the sun gear 121 and the planet gears 122 matched with the sun gear 121 are driven by rolling friction force, meanwhile, the planet gears 122 and the inner wall of the housing 11 are driven by rolling friction force to drive the planet carrier 123 to rotate circumferentially, and the central shaft 1233 of the planet carrier 123 drives the sun gear 121 of another transmission assembly 12 to rotate or directly drives the screw 51 to rotate circumferentially, so that friction transmission speed change is realized. Speed change unit 12 adopts planet wheel 122 structure and changes speed through the mode of friction drive each other, complex gear train or worm gear etc. have been replaced, moreover, the steam generator is simple in structure, easy to manufacture, wear-resisting, the temperature resistant, the transmission is steady, the noise is low, energy loss is low etc., can overload protection and adjust its drive ratio smoothly in succession, thereby manufacturing cost has been reduced, and service life is prolonged, stability and reliability are high, the processing procedure yield and the volume production ability of product have been improved, and according to actual need, speed change unit 12 can be one, also can be two or more along the axial stack cooperation, be convenient for better speed governing like this, the range of application is great, and then the application and the development of product have been enlarged.

Preferably, the planet carrier 123 includes a support plate 1231, one side of the support plate 1231 is provided with a connecting shaft 1232 matched with the planet wheels 122, the number of the connecting shafts 1232 is consistent with the number of the planet wheels 122, usually, the planet wheels 122 are sleeved on the connecting shaft 1232 and can rotate around the circumference of the connecting shaft 1232, the central shaft 1233 is arranged on the other side of the support plate 1231, it can be understood that the connecting shaft 1232 is located on the front side of the support plate 1231, the central shaft 1233 is located on the back side of the support plate 1231, usually, the connecting shaft 1232 is parallel to the central shaft 1233, and two or more connecting shafts 1232 are arranged along the circumferential direction of the central shaft.

Preferably, one end of the housing 11 is provided with a flange 112 matched with the motor 3, the housing 11 and the motor 3 are conveniently connected through the flange 112, generally in a welding connection manner, the other end of the housing 11 is provided with a fourth through hole 113 for the central shaft 1233 to pass through, and the fourth through hole 113 for the central shaft 1233 to pass through is conveniently and coaxially connected with the screw rod 51, so that the operation is simple and convenient.

Preferably, a bearing 13 matched with the screw rod 51 is arranged at one end, close to the screw rod 51, in the shell 11, and the screw rod 51 can rotate more stably through the bearing 13, so that the precision and the reliability are high, and the more stable output of the transmission 1 is ensured.

Preferably, bearing 13 is one of linear bearing, oilless shaft sleeve or thrust bearing, linear bearing has the friction little, it is stable, do not change along with bearing speed, high sensitivity, the precision is high, advantages such as motion is steady, thrust bearing is convenient for dismouting and maintenance, the coefficient of friction is little, it is efficient to pass power, the loss is few, the majority can bear axial load and radial load simultaneously, oilless shaft sleeve also calls oilless bush or oilless bearing etc. it has bearing capacity height, shock-resistant, high temperature resistant, self-lubricating ability is strong, characteristics such as installation and change convenience, thereby can guarantee that the rotation of lead screw 51 is more stable, accurate.

Preferably, the material of the housing 11, the planet wheel 122 and the sun wheel 121 is one of metal, polymer material or a combination of the metal and the polymer material, the polymer material may be engineering plastic, rubber, synthetic resin, etc., and the combination of the metal material and the polymer material may be the polymer material coated outside the metal material, or the metal material and the polymer material may be a multilayer alternate combination, so that the structure is simple, the production and the processing are convenient, the service life is long, and the production cost is reduced.

Preferably, the inner wall of the housing 11, the surface of the planet wheel 122 and the surface of the sun wheel 121 are respectively provided with an anti-slip layer, and the anti-slip layer can be a rubber sleeve, a frosted layer, a sprayed anti-slip coating or the like, so that the friction force is increased in the friction transmission, the transmission parts are prevented from slipping, and the stability, reliability and safety of the transmission 1 are improved.

Preferably, the surface of the sun gear 121 is uniformly provided with a plurality of axially arranged first grooves 1211 along the circumferential direction thereof, the surface of the planet gear 122 is uniformly provided with a plurality of second grooves 1221 matched with the first grooves 1211, the inner wall of the housing 11 is uniformly provided with a plurality of axially arranged third grooves 111 matched with the second grooves 1221 along the circumferential direction thereof, and the grooves can be machined by means of knurling, hot pressing, shaving, stamping, casting, turning, milling, planing, laser engraving, and the like, preferably by means of knurling, hot pressing, shaving or stamping, so that the friction force is increased, and better friction transmission is ensured.

Preferably, the plurality of second grooves 1221 are arranged in a mesh or axial direction, for example, a cross-hatched groove or a straight groove may be formed on the surface of the planetary wheel 122 by knurling, so that the friction transmission effect is better.

The foregoing description is only illustrative of some embodiments of the present invention, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept, and all such modifications and substitutions should be considered within the scope of the appended claims. In this case all the details may be replaced with equivalent elements, and the materials, shapes and dimensions may be any.

Claims

1. The separable lifting camera is characterized by comprising a support frame (2) and a motor (3), wherein a camera module (4) and a lifting assembly (5) matched with the camera module (4) are arranged on the support frame (2), the lifting assembly (5) comprises a lead screw (51) and a guide mechanism (52) matched with the lead screw (51), a moving block (53) in sliding connection with the guide mechanism (52) is arranged on the lead screw (51), the moving block (53) is in threaded connection with the lead screw (51), the camera module (4) is provided with a protruding part (41) in sliding connection with the guide mechanism (52), an elastic component (54) used for keeping the protruding part (41) and the moving block (53) in contact and matching is arranged on the guide mechanism (52), and the output end of the motor (3) is coaxially connected with the lead screw (51), the camera module (4) and the moving block (53) can move linearly along the lead screw (51) and the guide mechanism (52), and the extension direction of the elastic component (54) is consistent with the rising direction of the camera module (4).

2. The detachable lifting camera according to claim 1, wherein the guide mechanism (52) comprises a guide rod (521), the elastic member (54) is a spring sleeved on the guide rod (521), the moving block (53) is provided with a first through hole (531) slidably connected with the guide rod (521), and the protruding portion (41) is provided with a second through hole (411) slidably connected with the guide rod (521).

3. The detachable lifting camera according to claim 1, wherein the moving block (53) is provided with a buffer block (55) engaged with the protrusion (41).

4. The detachable lifting camera according to claim 1, wherein a third through hole (21) slidably connected to the camera module (4) is provided on the support frame (2), and a sealing ring (22) matched with the camera module (4) is provided at an outlet of the third through hole (21).

5. A detachable lifting camera according to any of claims 1-4, characterized in that the motor (3) is connected to the lead screw (51) via a transmission (1).

6. The detachable lifting camera head as claimed in claim 5, wherein the transmission (1) comprises a housing (11), the housing (11) has a cylindrical inner cavity, a plurality of transmission assemblies (12) are arranged in the housing (11) along an axial direction of the housing and are matched with each other, each transmission assembly (12) comprises a sun gear (121), more than two planet gears (122) in friction transmission fit with the sun gear (121) and a planet carrier (123) in friction transmission fit with the planet gears (122), the planet gears (122) are in friction transmission fit with an inner wall of the housing (11), an output shaft of the motor (3) is coaxially connected with the sun gear (121) close to the motor, and the lead screw (51) is coaxially connected with a central shaft (1233) of the planet carrier (123) close to the lead screw.

7. The detachable lifting camera head as claimed in claim 6, wherein the planet carrier (123) comprises a support plate (1231), one side of the support plate (1231) is provided with a plurality of connecting shafts (1232) engaged with the planet wheels (122), and the central shaft (1233) is arranged on the other side of the support plate (1231).

8. The detachable lifting camera head as claimed in claim 6, wherein a bearing (13) matched with the screw rod (51) is arranged at one end of the housing (11) close to the screw rod (51).

9. The detachable lifting camera head as claimed in claim 6, wherein the inner wall of the housing (11), the surface of the planet wheel (122) and the surface of the sun wheel (121) are provided with anti-slip layers respectively.

10. The separable lifting camera as claimed in claim 6, wherein a plurality of axially arranged first grooves (1211) are uniformly distributed on the surface of the sun gear (121) along a circumferential direction of the sun gear, a plurality of second grooves (1221) matched with the first grooves (1211) are uniformly distributed on the surface of the planet gear (122) along the circumferential direction of the planet gear, and a plurality of axially arranged third grooves (111) matched with the second grooves (1221) are uniformly distributed on the inner wall of the housing (11) along the circumferential direction of the housing.