CN111586265A - Camera push-out rotating structure and electronic equipment - Google Patents
Camera push-out rotating structure and electronic equipment Download PDFInfo
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- CN111586265A CN111586265A CN202010268719.9A CN202010268719A CN111586265A CN 111586265 A CN111586265 A CN 111586265A CN 202010268719 A CN202010268719 A CN 202010268719A CN 111586265 A CN111586265 A CN 111586265A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
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Abstract
The invention is suitable for the field of camera shooting, and provides a camera push-out rotating structure and electronic equipment, wherein the camera push-out rotating structure comprises: the lifting assembly comprises a screw rod, a guide rod and a carrying platform sleeved with the guide rod and the screw rod, and the screw rod rotates to enable the carrying platform to move up and down along the guide rod; one end of the connecting structure is connected with the other end of the carrying platform and used for fixing the camera; the rotating assembly comprises a clockwise rotation shaft which is rotatably connected with the carrier and is vertical to the guide rod, a clockwise bevel gear, a clockwise straight gear, a bevel gear and a clockwise rack, wherein the clockwise rotation bevel gear and the clockwise straight gear are sleeved on the clockwise rotation shaft and are coaxially arranged, the bevel gear is sleeved on the connecting structure and is in meshed connection with the clockwise bevel gear, and the clockwise rack is arranged on the moving path of the clockwise straight gear and can be in meshed connection with the clockwise straight gear to drive the clockwise straight gear to rotate. The camera push-out rotating structure provided by the invention can realize the push-out and rotation of the camera, simplify the structure and improve the controllability.
Description
Technical Field
The invention belongs to the field of camera shooting, and particularly relates to a camera push-out rotating structure and electronic equipment.
Background
With the continuous deepening of the concept of 'full screen', cameras such as mobile phones and televisions are set as the mainstream problem of research of various manufacturers, and the problem of how to reduce the visual space of the cameras and improve the screen occupation ratio is very important to solve.
The existing design has the following conception that the front camera and the rear camera are combined, the cost of one camera is saved, the push structure for driving the camera to extend is arranged, the camera extends out when in use and returns after use, so that the visual space of a display screen of the electronic equipment is not occupied, and the camera is driven to turn by the rotating structure, so that the function of front-back shooting is realized.
Patent application document No. 201810150791.4 discloses an electronic device, which adopts a pushing device and a magnetic rotating device to realize the pushing and the rotation of a camera, but has a complex structure and poor controllability.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned deficiencies of the prior art, and provides a camera push-out rotation structure and an electronic device, which aim to simplify the structure and improve the controllability of the structure.
A camera head push-out rotation structure comprising:
the lifting assembly comprises a screw rod, guide rods, a carrier and a driver, wherein the screw rod and the guide rods are arranged in parallel, at least one guide rod is arranged on the guide rod, the carrier is provided with a screw hole and at least one guide hole which are all arranged in a penetrating way, the screw hole is used for the screw rod to penetrate through and is matched with the screw rod in a threaded connection mode, each guide rod penetrates through one guide hole, the aperture of each guide hole is matched with the rod diameter of each guide rod, and the driver drives the screw rod to rotate so that the carrier moves along the guide rods;
the connecting structure is used for mounting and fixing the camera and is rotatably connected to the carrying platform, and a rotating axis between the connecting structure and the carrying platform is parallel to the guide rod;
the rotating assembly comprises a forward rotating shaft, a forward bevel gear, a forward straight gear, a bevel gear and a forward rack, the forward rotating shaft is rotatably connected to the carrier and is perpendicular to the guide rod, the forward bevel gear and the forward straight gear are both connected to the forward rotating shaft and coaxially arranged and synchronously rotate, the bevel gear is fixedly connected to the connecting structure and meshed with the forward bevel gear, the central axis of the bevel gear is overlapped with the rotating axis of the connecting structure, and the forward rack is arranged on the moving path of the forward straight gear and can be meshed with the forward straight gear to drive the forward straight gear to rotate.
Optionally, the rotating assembly still includes the rotation shaft that reverses, reverses bevel gear, reverses straight-tooth gear and reverses the rack, reverse the rotation shaft with along the coaxial setting of rotation shaft and separated in the both sides of connection structure, reverse bevel gear with reverse the straight-tooth gear and all connect the rotation shaft to coaxial setting and synchronous rotation, reverse bevel gear with the bevel gear meshing, reverse the rack be located reverse on the straight-tooth gear moving path and can with reverse the straight-tooth gear meshing and be connected in order to order about reverse the straight-tooth gear and rotate, reverse the rack with reverse the meshing position of straight-tooth gear dodge reverse the rack with reverse the meshing position of straight-tooth gear.
Optionally, the length of the counter rack is twice the length of the clockwise rack.
Optionally, the clockwise rotation spur gear is engaged with the clockwise rotation rack to rotate the connecting structure at least 180 degrees.
Optionally, the forward bevel gear, the reverse bevel gear and the bevel gear have equal teeth and modulus.
Optionally, the camera push-out rotation structure further includes a holder, the holder has an accommodating cavity for accommodating the lifting assembly and the rotation assembly, and the holder is further provided with a communication hole for extending the connection structure.
Optionally, the carrying platform is box-shaped and has a placing cavity for placing the forward rotation rotating shaft, the forward rotation bevel gear, the forward rotation spur gear, the bevel gear, the reverse spur gear and the reverse rotation rotating shaft, and an avoiding hole for extending the connecting structure;
the camera pushing and rotating structure further comprises a limiting piece which is fixedly connected or slidably connected with the connecting structure and limited between the accommodating cavity and the carrying platform.
Optionally, the connecting structure includes an upper connecting rod and a lower connecting rod which are slidably connected to each other vertically, the upper connecting rod is hollow and provided with a spring, the lower connecting rod can move relative to the upper connecting rod to compress the spring, and the limiting member is connected to the end of the upper connecting rod facing the lower connecting rod.
Optionally, when the clockwise rotation straight gear is engaged with the clockwise rotation rack, the spring is in a compressed state.
A camera head push-out rotation structure comprising:
the lifting assembly comprises a screw rod, guide rods, a carrier and a driver, wherein the screw rod and the guide rods are arranged in parallel, at least one guide rod is arranged on the guide rod, the carrier is provided with a screw hole and at least one guide hole which are all arranged in a penetrating way, the screw hole is used for the screw rod to penetrate through and is matched with the screw rod in a threaded connection mode, each guide rod penetrates through one guide hole, the aperture of each guide hole is matched with the rod diameter of each guide rod, and the driver drives the screw rod to rotate so that the carrier moves along the guide rods;
the connecting structure is used for mounting and fixing the camera and is rotatably connected to the carrying platform, and a rotating axis between the connecting structure and the carrying platform is parallel to the guide rod;
the rotating assembly comprises a clockwise rotation shaft, a clockwise rotation first straight gear, a clockwise rotation second straight gear, a face gear and a clockwise rotation rack, the clockwise rotation shaft is rotatably connected to the carrier and is perpendicular to the guide rod, the clockwise rotation first straight gear and the clockwise rotation second straight gear are both connected to the clockwise rotation shaft and are coaxially arranged and synchronously rotate, the face gear is fixedly connected to the connecting structure, the central axis of the face gear coincides with the rotating axis of the connecting structure and is in meshing connection with the clockwise rotation first straight gear, and the clockwise rotation rack is arranged on the moving path of the clockwise rotation second straight gear and can be in meshing connection with the clockwise rotation second straight gear to drive the clockwise rotation second straight gear to rotate.
An electronic device comprises the camera push-out rotating structure.
The application provides a revolution mechanic is released to camera can realize the release and the rotation of camera to through the cooperation design of structure, a torque input and realize the camera release and rotatory effect, simplify the structure, and adopt gear engagement, threaded connection's drive system to ensure the location and the relatively fixed of arbitrary angle, the controllability is strong.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a push-out rotation structure of a camera according to an embodiment of the present disclosure;
fig. 2 is a cross-sectional view of a push-out rotation structure of a camera according to an embodiment of the present disclosure;
FIG. 3 is an enlarged view of a portion of view A of FIG. 2;
fig. 4 is a disassembly schematic view of a connection structure in a camera push-out rotation structure according to an embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
reference numerals | Name (R) | Reference numerals | Name (R) |
10 | |
30 | |
11 | |
31 | |
12 | |
32 | |
13 | |
33 | Clockwise |
14 | |
34 | |
15 | |
35 | |
20 | |
36 | |
21 | Upper connecting |
37 | Reverse |
211 | |
38 | |
22 | Lower connecting |
39 | |
221 | |
40 | |
23 | |
50 | Position limiting piece |
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Example one
Referring to fig. 1 to 4, the present embodiment provides a camera push-out rotation structure, which includes a connection structure 20 for fixing a camera (not shown), a lifting assembly 10 for driving the connection structure 20 to move up and down, and a rotation assembly 30 for driving the connection structure 20 to rotate.
The lifting assembly 10 comprises a screw rod 11, a guide rod 12, a carrier 13 and a driver 14, wherein the screw rod 11 and the guide rod 12 are arranged in parallel, at least one guide rod 12 is arranged, the carrier 13 is provided with a screw hole and at least one guide hole which are all arranged in a penetrating manner, the screw hole is used for the screw rod 11 to penetrate through and is in threaded connection with the screw rod 11, each guide rod 12 penetrates through one guide hole respectively, the aperture of each guide hole is matched with the rod diameter of the guide rod 12, and the driver 14 drives the screw rod 11 to rotate so that the carrier. In the structure shown in the figure, two guide rods 12 are arranged on two sides of the screw rod 11, and the two guide rods 12 jointly limit the radial movement and rotation of the carrier 13, so that the radial stress of the screw rod 11 is reduced, and the effect of protecting the screw rod 11 is achieved. The aperture of the guide hole is matched with the rod diameter of the guide rod 12, so that the carrier 13 is prevented from shaking in the horizontal direction, and the camera can move stably. In other embodiments, linear bearings may be provided between guide bar 12 and stage 13 to reduce sliding friction between guide bar 12 and stage 13.
The connecting structure 20 is used for fixing the camera and is rotatably connected to the carrier 13, and a rotation axis between the connecting structure 20 and the carrier 13 is parallel to the guide rod 12. The stage 13 moves up and down to move the connection structure 20 up and down.
The rotating assembly 30 comprises a forward rotating shaft 31, a forward bevel gear 32, a forward straight gear 33, a bevel gear 34 and a forward rack 35, the forward rotating shaft 31 is rotatably connected to the carrier 13 and is perpendicular to the guide rod 12, the forward bevel gear 32 and the forward straight gear 33 are both connected to the forward rotating shaft 31 and are coaxially arranged and synchronously rotated, the bevel gear 34 is fixedly connected to the connecting structure 20, the central axis of the bevel gear 34 is overlapped with the rotating axis of the connecting structure 20, the bevel gear 34 is in meshing connection with the forward bevel gear 32, and the forward rack 35 is arranged on the moving path of the forward straight gear 33 and can be in meshing connection with the forward straight gear 33 to drive the forward straight gear 33 to rotate.
Screw 11 rotates to move stage 13 up and down. In the process that the carrier 13 moves upwards, the forward-rotation straight gear 33 is meshed with the forward-rotation rack 35 and rotates along with the rising of the carrier 13, the forward-rotation straight gear 33 rotates to drive the coaxially arranged forward-rotation bevel gear 32 to rotate, and then the bevel gear 34 meshed with the forward-rotation bevel gear 32 is communicated with the connecting structure 20 to rotate, so that the camera rotates. That is, the arrangement of the forward bevel gear 32 and the forward rack 35 translates the lifting torque of the stage 13 into a rotational torque that drives the rotation of bevel gear 34 and connecting structure 20.
In operation, the driver 14 is connected to the screw 11 and drives the screw 11 to rotate forward, the carrier 13 is lifted upward by a certain distance to extend the camera, and then the clockwise rotation spur gear 33 abuts against the clockwise rotation rack 35, and is meshed with the clockwise rotation rack 35 and rotates under the meshing of the clockwise rotation rack 35 along with the continuous rotation of the screw 11 and the continuous lifting of the carrier 13, so as to drive the connecting structure 20 and the camera to rotate counterclockwise. The driver 14 drives the screw 11 to rotate in the reverse direction, so that the camera rotates clockwise and then retracts to the original position. Those skilled in the art can adjust the height of the camera by adjusting the distance between the forward-rotation rack 35 and the starting position of the carrier 13, and adjust the angle that the camera can rotate by setting the number of teeth of the forward-rotation rack 35. To achieve the forward and backward functions of the camera, the number of teeth of the forward-rotation rack 35 can enable the camera to rotate at least 180 degrees. Preferably, the number of teeth of the clockwise rotation rack 35 enables the camera to rotate 360 degrees, and the camera can stay at any angle within the range of 360 degrees by combining the screw joint design of the screw rod 11 and the carrier 13, so that shooting at any angle is realized. In this embodiment, the driver 14 is a motor. The driver 14 can be replaced by other driving structures by those skilled in the art as long as the screw 11 can be driven to rotate. In the illustrated construction, the actuator 14 is coupled to the screw 11 via a transmission structure and drives the screw 11 to rotate. The transmission structure can be a planetary transmission or a parallel shaft transmission.
By the analysis, the camera push-out rotating structure provided by the embodiment can realize the push-out and rotation of the camera, and the effect of the push-out and rotation of the camera is realized by one torque input through the matching design of the structure, so that the structure is simplified, the positioning and relative fixation of any angle are ensured by adopting the transmission modes of gear engagement and threaded connection, and the controllability is strong.
In another embodiment of the present application, referring to fig. 2 and 3, the rotating assembly 30 further includes a reverse rotating shaft 38, a reverse bevel gear 36, a reverse spur gear 37 and a reverse rack 39, the reverse rotating shaft 38 is coaxially disposed with the forward rotating shaft 31 and is separated from both sides of the connecting structure 20, the reverse bevel gear 36 and the reverse spur gear 37 are both connected to the reverse rotating shaft 38 and are coaxially disposed and synchronously rotate, the reverse bevel gear 36 is engaged with the bevel gear 34, the reverse rack 39 is located on a moving path of the reverse spur gear 37 and can be engaged with the reverse spur gear 37 to drive the reverse spur gear 37 to rotate, and an engagement position of the reverse rack 39 and the reverse spur gear 37 is different from an engagement position of the forward rack 35 and the forward rack 33. Avoidance means that engagement of the reverse rack 39 with the reverse spur gear 37 does not occur simultaneously with engagement of the forward rack 35 with the forward spur gear 33. In the illustrated structure, the reverse rack 39 is located laterally above the forward rack 35, and the reverse spur gear 37 is engaged with the reverse rack 39 only after the forward spur gear 33 is engaged with the forward rack 35.
In the lifting process of the carrying platform 13, the forward-rotation straight gear 33 is firstly meshed with the forward-rotation rack 35 to realize the reverse rotation of the camera, and after the forward-rotation straight gear 33 is meshed with the forward-rotation rack 35, the reverse-rotation straight gear 37 is meshed with the reverse-rotation rack 39 to realize the forward rotation of the camera. Those skilled in the art can also exchange the vertical height positions of the forward rack 35 and the reverse rack 39, and the present invention is not limited thereto.
When the forward straight gear 33 is meshed with the forward rack 35, the forward straight gear 33 rotates to drive the bevel gear 34 to rotate (the forward straight gear 33, the forward rotating shaft 31, the forward bevel gear 32 and the bevel gear 34), at this time, the reverse bevel gear 36 also rotates because the reverse bevel gear 36 is meshed with the bevel gear 34, and it should be noted that, at this time, the rotation directions of the reverse bevel gear 36 and the forward bevel gear 32 are opposite. The reverse bevel gear 36 is in an idling state together with the reverse spur gear 37 and the reverse rotation shaft 38. When the forward rotation straight gear 33 is separated from the forward rotation rack 35 and the reverse rotation straight gear 37 is meshed with the reverse rotation rack 39, the reverse rotation straight gear 37 rotates to drive the bevel gear 34 to rotate (reverse rotation straight gear 37-reverse rotation shaft 38-reverse rotation bevel gear 36-bevel gear 34), at this time, the reverse rotation bevel gear also rotates because the forward rotation bevel gear 32 is meshed with the bevel gear 34, and it should be noted that, at this time, the rotation directions of the forward rotation bevel gear 32 and the reverse rotation bevel gear 36 are opposite. The forward bevel gear 32 is in an idle state together with the forward spur gear 33 and the forward rotation shaft 31.
In this embodiment, the forward bevel gear 32 and the forward spur gear 33 are integrally provided as a dual gear. The reverse bevel gear 36 and the reverse spur gear 37 are integrally provided, and are dual gears. This setting can improve structural connection fastening nature, reduces connecting spare parts such as connecting pin. In addition, it should be noted that both the forward rotation shaft 31 and the reverse rotation shaft 38 are movably connected to the stage 13, or both the forward rotation bevel gear 32 and the forward rotation spur gear 33 are movably connected to the forward rotation shaft 31, and both the reverse bevel gear 36 and the reverse spur gear 37 are movably connected to the reverse rotation shaft 38, so that the forward rotation bevel gear 32, the forward rotation spur gear 33, the reverse bevel gear 36 and the reverse spur gear 37 are fixed in position relative to the stage 13 and have a degree of freedom of rotation relative to the stage 13.
Due to the arrangement of the reverse straight gear 37, the reverse bevel gear 36, the reverse rack 39 and the reverse rotating shaft 38, on one hand, the bevel gear 34 is meshed with the forward bevel gear 32 and the reverse bevel gear 36 simultaneously, so that the rotation stability of the connecting structure 20 is improved, and on the other hand, the camera can rotate anticlockwise and clockwise.
In another embodiment of the present application, the reverse rack 39 is twice as long as the forward rack 35. Under the design, in the process that the carrying platform 13 moves from bottom to top, the forward-rotation straight gear 33 is meshed with the forward-rotation rack 35 to enable the camera to rotate forward by a specific angle, the angle is assumed to be minus 180 degrees, then the forward-rotation straight gear 33 leaves the forward-rotation rack 35 and the reverse-rotation straight gear 37 is meshed with the reverse-rotation rack 39 to enable the camera to rotate, and the reverse-rotation rack 39 is twice as large as the forward-rotation rack 35, so that the camera continues to rotate to a reverse specific angle which is plus 180 degrees after returning to zero degrees. The specific length of the rack can be set by those skilled in the art according to the rotation angle required by the camera, and is not limited herein.
In another embodiment of the present application, the forward bevel gear 32, reverse bevel gear 36, and bevel gear 34 all have the same number of teeth and module. The arrangement is beneficial to improving the tightness of the connection fit among the forward bevel gear 32, the reverse bevel gear 36 and the bevel gear 34, reducing the transmission noise and improving the transmission precision.
In another embodiment of the present application, the camera push-out rotation structure further includes a holder 40, the holder 40 has a receiving cavity for receiving the lifting assembly 10 and the rotation assembly 30, and the holder 40 further has a communication hole for extending the connection structure 20.
Two ends of the guide rod 12 are respectively fixed on the upper cavity wall and the lower cavity wall of the accommodating cavity, two ends of the screw rod 11 can be respectively fixed on the upper cavity wall and the lower cavity wall of the accommodating cavity through the bearing 15, the clockwise rotation rack 35 and the anticlockwise rotation rack 39 are fixed on the cavity walls of the accommodating cavity, the carrier 13 is in threaded connection with the screw rod 11, and the carrier 13 moves in the accommodating cavity. The retainer 40 is provided to support the lifting assembly 10 and the rotating assembly 30, to provide a compact arrangement of the respective structures and to form a module for easy assembly.
It should be noted that the holder 40 may have any shape as long as it is realized to provide a fixed support for the lifting assembly 10 and the rotating assembly 30. In the structure shown in the figure, the retainer 40 is provided with a rectangular frame formed by enclosing from top to bottom and from left to right and a bottom plate connected with the rectangular frame, the rectangular frame and the bottom plate enclose to form an accommodating cavity, the screw rod 11 and the guide rod 12 are connected with the rectangular frame, and the clockwise rotation rack 35 and the counter-rotation rack 39 are fixed on the bottom plate.
In another embodiment of the present application, the camera head ejecting rotation structure further includes a limiting member 50 for limiting the upward movement of the stage 13. The upward movement of the carrier 13 is limited to ensure that the camera stops pushing out after extending out of a specified height.
The carrying platform 13 is box-shaped and has a placing cavity for the clockwise rotation shaft 31, the clockwise rotation bevel gear 32, the clockwise rotation spur gear 33, the bevel gear 34, the reverse bevel gear 36, the reverse spur gear 37 and the reverse rotation shaft 38 and an avoiding hole for the extension of the connecting structure 20, and the limiting piece 50 is fixedly connected or slidably connected with the connecting structure 20 and is limited between the containing cavity and the carrying platform 13. In the illustrated structure, the position-limiting member 50 is limited between the upper cavity wall of the receiving cavity and the upper surface of the carrier 13. The carrier 13 supports the forward rotation shaft 31, the reverse rotation shaft 38 and the connecting structure 20, while providing an assembly space for the forward rotation bevel gear 32, the forward rotation spur gear 33, the bevel gear 34, the reverse bevel gear 36, the reverse spur gear 37 and the reverse rotation shaft 38. The limiting member 50 is sleeved on the connecting structure 20 and limited between the upper surface of the carrier 13 and the upper cavity wall of the accommodating cavity of the holder 40.
In one embodiment, the position-limiting member 50 is fixedly connected to the connecting structure 20. When the carrier 13 and the connecting structure 20 are lifted to a specific height, the limiting member 50 abuts against the cavity wall of the receiving cavity of the holder 40 to limit the carrier 13 from further lifting upwards. One skilled in the art can also fix the limiting member 50 on the holder 40, and when the carrier 13 and the connecting structure 20 are lifted to a specific height, the limiting member 50 abuts against the carrier 13 to limit the carrier 13 from further lifting upwards.
In another embodiment, the limiting member 50 and the connecting structure 20 are connected in a sliding manner, and when the carrier 13 and the connecting structure 20 are lifted until the upper and lower surfaces of the limiting member 50 are abutted by the upper cavity wall of the accommodating cavity and the carrier 13, respectively.
Preferably, the connecting structure 20 includes an upper link 21 and a lower link 22 slidably connected to each other, the upper link 21 is hollow and provided with a spring 23, the stopper 50 is provided at a lower end portion of the upper link 21, and the lower link 22 is movable relative to the upper link 21 to compress the spring 23. When the carrier 13 is raised, the limiting member 50 moves upward along with the connecting structure 20 to abut against the holder 40, and then as the carrier 13 is further raised, the spring 23 is compressed, and the lower link 22 is pushed into the upper link 21 until the upper surface of the carrier 13 abuts against the limiting member 50 to limit the carrier 13 from being raised upward. The spring 23 is provided to alleviate the impact force of the rising of the stage 13 and to avoid the vibration of the camera caused by the sudden impact between the stage 13 and the holder 40.
In the illustrated structure, the upper link 21 is provided with a guide groove 211 extending vertically and downward to the lower surface of the upper link 21, the outer surface of the lower link 22 is provided with a guide strip 221 matching with the guide groove 211, and the lower link 22 is inserted into the upper link 21 and the guide strip 221 is slidingly connected with the guide groove 211. The guide groove 211 and the guide bar 221 are provided to limit the relative rotation of the upper link 21 and the lower link 22.
Preferably, the spring 23 is in a compressed state when the clockwise spur gear 33 is engaged with the clockwise rack 35. Specifically, the stage 13 is driven by the actuator 14 to move upward, and the stopper 50 moves upward together with the connecting structure 20 until the upper surface of the stopper 50 abuts against the upper cavity wall of the holder 40. At this time, the clockwise spur gear 33 abuts against the clockwise rack 35. Then, as the upward movement of the stage 13 continues, the lower link 22 moves relative to the upper link 21, the spring 23 is compressed, and the clockwise rack 35 rotates while meshing with the clockwise spur gear 33. After the forward rack 35 and the forward spur gear 33 are engaged, the carrier 13 continues to move upward, the lower link 22 moves relative to the upper link 21, the spring 23 is further compressed, and the reverse rack 39 and the reverse spur gear 37 start to be engaged and rotated until the upper surface of the carrier 13 abuts against the stopper 50. As can be seen from the above process, when the forward-rotation spur gear 33 is engaged with the forward-rotation rack 35, the spring 23 is in a compressed state, and when the reverse-rotation spur gear 37 is engaged with the reverse-rotation rack 39, the spring 23 is also in a compressed state. With this design, the forward-rotation spur gear 33 receives the upward driving force of the stage 13, the downward resistance of the spring 23, and the torque of the forward-rotation rack 35. The reverse spur gear 37 receives the upward driving force of the stage 13, the downward resistance of the spring 23, and the torque of the reverse rack 39 at the same time. The addition of the downward resistance of the spring 23 can moderate the driving force of the upward movement of the stage 13, so that the movement is more moderate, and the accurate control of the rotation angle is facilitated.
Example two
The embodiment provides a camera push-out rotating structure which comprises a lifting assembly, a connecting structure and a rotating assembly. The difference from the first embodiment is that the clockwise bevel gear and the bevel gear in the first embodiment are replaced by a spur gear and a face gear. Specifically, the rotating assembly includes a clockwise rotation shaft (the same as the clockwise rotation shaft in the first embodiment), a clockwise rotation first spur gear (which replaces the clockwise rotation bevel gear in the first embodiment), a clockwise rotation second spur gear (which is equivalent to the clockwise rotation spur gear in the first embodiment), a face gear (which replaces the bevel gear in the first embodiment), and a clockwise rotation rack (which is the same as the clockwise rotation rack in the first embodiment), wherein the clockwise rotation first spur gear is engaged with the face gear, and can rotate synchronously to drive the face gear to rotate when the clockwise rotation second spur gear rotates. Correspondingly, the reverse bevel gear in the first embodiment is replaced by a straight gear in meshed connection with the face gear.
EXAMPLE III
The embodiment provides an electronic device, which comprises a camera and a camera push-out rotating structure used for pushing out and rotating the camera. The electronic equipment can be a mobile phone, a television, a computer and the like. Please refer to the first embodiment for a specific structure of the camera push-out rotation structure. Since the electronic device provided by this embodiment adopts the technical solution of the above embodiment, the electronic device also has the technical effects brought by the above technical solution, and details are not repeated here.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a camera pushes out revolution mechanic which characterized in that includes:
the lifting assembly comprises a screw rod, guide rods, a carrier and a driver, wherein the screw rod and the guide rods are arranged in parallel, at least one guide rod is arranged on the guide rod, the carrier is provided with a screw hole and at least one guide hole which are all arranged in a penetrating way, the screw hole is used for the screw rod to penetrate through and is matched with the screw rod in a threaded connection mode, each guide rod penetrates through one guide hole, the aperture of each guide hole is matched with the rod diameter of each guide rod, and the driver drives the screw rod to rotate so that the carrier moves along the guide rods;
the connecting structure is used for mounting and fixing the camera and is rotatably connected to the carrying platform, and a rotating axis between the connecting structure and the carrying platform is parallel to the guide rod;
the rotating assembly comprises a forward rotating shaft, a forward bevel gear, a forward straight gear, a bevel gear and a forward rack, the forward rotating shaft is rotatably connected to the carrier and is perpendicular to the guide rod, the forward bevel gear and the forward straight gear are both connected to the forward rotating shaft and coaxially arranged and synchronously rotate, the bevel gear is fixedly connected to the connecting structure, the central axis of the bevel gear is superposed with the rotating axis of the connecting structure and meshed with the forward bevel gear, and the forward rack is arranged on the moving path of the forward straight gear and can be meshed with the forward straight gear to drive the forward straight gear to rotate.
2. The camera push-out rotation structure according to claim 1, wherein the rotation assembly further comprises a reverse rotation shaft, a reverse bevel gear, a reverse spur gear, and a reverse rack, the reverse rotation shaft is coaxially disposed with the forward rotation shaft and is separated from both sides of the connection structure, the reverse bevel gear and the reverse spur gear are both connected to the reverse rotation shaft, are coaxially disposed and rotate synchronously, and are engaged with the bevel gear, the reverse rack is located on a movement path of the reverse spur gear and can be engaged with the reverse spur gear to drive the reverse spur gear to rotate, and an engagement position of the reverse rack and the reverse spur gear avoids an engagement position of the forward rack and the forward spur gear.
3. The camera head push-out rotation structure of claim 2, wherein the length of the reverse rack is twice as long as the forward rack.
4. A camera push-out rotator according to claim 3 wherein said spur gear is engaged with said rack gear to rotate said link at least 180 degrees.
5. The camera push-out rotation structure according to any one of claims 1 to 4, further comprising a holder having a housing chamber housing the elevating assembly and the rotation assembly, the holder further having a communication hole through which the connection structure extends.
6. The camera push-out rotation structure according to claim 5, wherein the stage is box-shaped and has a placement chamber in which the forward rotation shaft, the forward rotation bevel gear, the forward rotation spur gear, the bevel gear, the reverse spur gear, and the reverse rotation shaft are placed, and an avoidance hole through which the connection structure extends;
the camera pushing and rotating structure further comprises a limiting piece which is fixedly connected or slidably connected with the connecting structure and limited between the accommodating cavity and the carrying platform.
7. The camera push-out rotation structure according to claim 6, wherein the connection structure includes an upper link and a lower link slidably disposed, the upper link is hollow and provided with a spring, the lower link is capable of moving relative to the upper link to compress the spring, and the stopper is connected to an end of the upper link facing the lower link.
8. The camera push-out rotation structure of claim 7, wherein the spring is in a compressed state when the spur gear is engaged with the rack gear.
9. The utility model provides a camera pushes out revolution mechanic which characterized in that includes:
the lifting assembly comprises a screw rod, guide rods, a carrier and a driver, wherein the screw rod and the guide rods are arranged in parallel, at least one guide rod is arranged on the guide rod, the carrier is provided with a screw hole and at least one guide hole which are all arranged in a penetrating way, the screw hole is used for the screw rod to penetrate through and is matched with the screw rod in a threaded connection mode, each guide rod penetrates through one guide hole, the aperture of each guide hole is matched with the rod diameter of each guide rod, and the driver drives the screw rod to rotate so that the carrier moves along the guide rods;
the connecting structure is used for mounting and fixing the camera and is rotatably connected to the carrying platform, and a rotating axis between the connecting structure and the carrying platform is parallel to the guide rod;
the rotating assembly comprises a clockwise rotation shaft, a clockwise rotation first straight gear, a clockwise rotation second straight gear, a face gear and a clockwise rotation rack, the clockwise rotation shaft is rotatably connected to the carrier and is perpendicular to the guide rod, the clockwise rotation first straight gear and the clockwise rotation second straight gear are both connected to the clockwise rotation shaft and are coaxially arranged and synchronously rotate, the face gear is fixedly connected to the connecting structure, the central axis of the face gear coincides with the rotating axis of the connecting structure and is in meshing connection with the clockwise rotation first straight gear, and the clockwise rotation rack is arranged on the moving path of the clockwise rotation second straight gear and can be in meshing connection with the clockwise rotation second straight gear to drive the clockwise rotation second straight gear to rotate.
10. An electronic apparatus, comprising the camera push-out rotation structure according to any one of claims 1 to 8 or the camera push-out rotation structure according to claim 9.
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CN202010268719.9A CN111586265A (en) | 2020-04-08 | 2020-04-08 | Camera push-out rotating structure and electronic equipment |
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CN202010268719.9A CN111586265A (en) | 2020-04-08 | 2020-04-08 | Camera push-out rotating structure and electronic equipment |
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