A mobile phone middle frame flip mechanism

Abstract

The present invention discloses a mobile phone middle frame flipping mechanism, which relates to the field of mobile phone processing technology; specifically, it comprises a mounting plate 1 and a mounting plate 2, wherein the bottom outer wall of the mounting plate 1 is fixed with a support frame by bolts, and the mounting plate 1 and the mounting plate 2 are provided with a slide groove on the opposite side, wherein a sliding block is slidably connected in the slide groove, a screw is inserted into the interior of one of the sliding blocks, and the two inner sides of the mounting plate 1 are fixedly connected with a bearing seat, and the two ends of the screw are in rotational cooperation with the two bearing seats, the bottom side and the top side of the mounting plate 2 are fixedly connected with the fixing plate 1 and the fixing plate 2 respectively, and the top side of the mounting plate 2 is provided with a movable flipping mechanism. The present invention solves the drawbacks of the prior art of using various pneumatic components to flip the mobile phone middle frame body, which not only reduces the basic cost and maintenance cost, but also improves the efficiency and quality of the mobile phone middle frame body flipping by not using a pneumatic control system compared to the prior art.

Description

Technical Field

[0001] The present invention relates to the technical field of mobile phone processing, and in particular to a mobile phone middle frame flipping mechanism. Background Art

[0002] The flip mid-frame mechanism in mobile phones is an innovative technology designed to transform the appearance and functionality of mobile phones. With the continuous expansion of smartphone functionality and intensified competition, mobile phone manufacturers are striving for new design concepts and innovative features to attract consumers. The emergence of flip mid-frame mechanisms in mobile phones has brought new possibilities to mobile phone design. These mechanisms are typically implemented using a mechanical or motorized mechanism, allowing the phone's frame to flip or rotate in different directions. This design allows users to more conveniently use their phone in various scenarios. For example, when taking selfies, the frame can be flipped to the front for easier shooting; when watching videos or playing games, the frame can be flipped to the landscape position for a better viewing experience. The development of flip mid-frame mechanisms in mobile phones can be traced back to the continuous pursuit of user experience and functional requirements.

[0003] As people's demands for mobile phone functionality and design grow, mobile phone manufacturers are constantly developing new technologies and designs to meet user needs. The emergence of flip-up mid-frame mechanisms has opened up new possibilities for mobile phone design, freeing them from traditional design constraints. Instead, mobile phones can flexibly adapt their appearance and functionality to suit user needs and scenarios, enhancing user experience and convenience.

[0004] After searching, the invention with Chinese patent publication number CN212827450U discloses a mobile phone middle frame flipping mechanism, including a base plate, a bracket, a support frame, a guide rail assembly, a lifting plate, a lifting cylinder, a rotating cylinder, a clamp cylinder and a clamp. The lifting cylinder of the utility model can drive the lifting plate, the rotating cylinder, the clamp cylinder and the clamp to perform synchronous lifting and lowering movements, the rotating cylinder can drive the clamp cylinder to perform rotational movement, and the clamp cylinder can drive the clamp to clamp the mobile phone middle frame; its overall structural design can realize the automatic 180-degree rotation of the mobile phone middle frame and the positioning of the mobile phone middle frame after the rotation is completed back to the top of the support frame, so as to facilitate the next process to perform coding and assembly operations on the mobile phone middle frame after the 180-degree rotation, which has the advantages of high work efficiency and high positioning accuracy. The mobile phone middle frame flipping mechanism in the above invention has the following shortcomings:

[0005] Although the above device effectively solves the problems of poor positioning accuracy, low work efficiency, high labor intensity for workers and high labor costs for enterprises caused by the traditional manual operation of flipping and positioning the middle frame of the mobile phone, the guide rail assembly, lifting cylinder, rotating cylinder and clamp cylinder require a complete pneumatic control system to complete the coordinated work, resulting in increased basic cost and maintenance cost, and the control and positioning of the above pneumatic components will be limited by high precision requirements. Therefore, a mobile phone middle frame flipping mechanism is urgently needed. Summary of the Invention

[0006] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a mobile phone middle frame flip mechanism.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A mobile phone middle frame flip mechanism includes a first mounting plate and a second mounting plate, wherein the bottom outer wall of the first mounting plate is fixed with a support frame by bolts, and a slide groove is provided on the opposite side of the first mounting plate and the second mounting plate, wherein a sliding block is slidably connected in the slide groove, a screw rod is inserted into the interior of one of the sliding blocks, and the two inner sides of the first mounting plate are fixedly connected to bearing seats, and the two ends of the screw rod are in rotational cooperation with the two bearing seats, the bottom side and the top side of the second mounting plate are fixedly connected to the first fixing plate and the second fixing plate respectively, and the top side of the second mounting plate is provided with a movable flip mechanism;

[0009] The top of the mobile flip mechanism is clamped with the mobile phone middle frame body, one end of the screw is connected to the guide shaft through a thread, the circumferential outer wall of the guide shaft is connected to the secondary gear through a thread, and the circumferential teeth of the secondary gear are engaged with the main gear, and one side of the fixed plate 2 is fixedly connected to the bracket, one side of the bracket is fixed with a motor through a bolt, and the output end of the motor is connected to the main gear through a thread.

[0010] Preferably: the movable flip mechanism includes a fixed component, a movable plate, a linkage gear, a rack plate, an opening, a guide component, a U-shaped groove and a movable channel, and the fixed component is clamped in the middle of the bottom of the mobile phone middle frame body, and the two ends of the movable plate are fixedly connected to the opposite sides of the two sliding blocks.

[0011] Furthermore: the U-shaped groove is opened on one side of the bottom of the fixed plate 2, and the movable channel is arranged on the inner wall of the fixed plate 2 near the top of the U-shaped groove, and the opening is opened at one end of the movable channel, and the guide component is limitedly slidably connected in the U-shaped groove and the movable channel.

[0012] On the basis of the above scheme: the linkage gear is connected to the bottom end of the guide assembly through a thread, the rack plate is fixedly connected to the bottom of the fixed plate 1, and the rack plate and the linkage gear are meshed with each other.

[0013] The starting motor drives the screw to rotate, and the rotating screw drives the movable plate and the sliding blocks at both ends to slide horizontally and linearly in the sliding grooves in the mounting plate 1 and the mounting plate 2. During the movement of the movable plate, the guide assembly together with the mobile phone middle frame body moves from the U-shaped groove and the moving channel in the fixed plate 2. At the same time, the linkage gear at the bottom end of the guide assembly also moves accordingly. When the linkage gear moves and engages with the rack plate at the bottom of the fixed plate 1, it drives the mobile phone middle frame body to flip over. The flip angle is zero to one hundred and eighty degrees, effectively realizing the rapid flipping of the mobile phone middle frame body.

[0014] A better solution among the above solutions is: the guiding assembly includes a guide wheel, a mounting ring, a rotating rod, a connecting plate, a guide plate and an L-shaped limit plate, and the bottom end of the rotating rod is threaded on the inner circumference of the linkage gear, the mounting ring is limitedly slidably connected to the moving channel, and the mounting ring and the rotating rod are interspersed.

[0015] As a further solution of the present invention: the circumference of the middle section of the rotating rod is limited to the U-shaped groove, the connecting plate is fixedly connected to both sides of the mounting ring, the guide wheel is rotatably connected to the inner side of the connecting plate, and the guide plate is fixedly connected to the top of the rotating rod.

[0016] At the same time, a notch is provided on the top of the guide plate, an L-shaped limiting plate is arranged on one side of the notch, and a rotating groove is provided on both inner sides of the notch, and the bottom of the rotating rod passes through the movable plate.

[0017] When the movable plate moves, it drives the mounting ring to move in the U-shaped groove and the movable channel. At the same time, the guide wheel rolls in the movable channel, and when the linkage gear engages with the rack plate, it drives the rotating rod to rotate and drives the guide plate at the top of the rotating rod to rotate, thereby promoting the flipping of the mobile phone middle frame body at the top of the guide plate.

[0018] As a preferred embodiment of the present invention, the fixing assembly includes an L-shaped stepped clamp, a T-shaped guide rod, a rotating shaft, and a T-shaped slot, wherein the rotating shaft is rotatably connected to the rotating slot. A magnetic sheet is first used to attach one side of the bottom of the mobile phone midframe to the top of the T-shaped guide rod, and then the four corners of the top of the T-shaped guide rod are correspondingly inserted into the L-shaped stepped clamp, so that the four L-shaped stepped clamps clamp the two sides of the bottom of the mobile phone midframe.

[0019] At the same time, the T-shaped guide rod is connected to the circumference of the rotating shaft through a thread, and the top of the T-shaped guide rod is connected to one side of the mobile phone middle frame body through a magnetic sheet, and T-shaped slots are opened at the top four corners of the T-shaped guide rod.

[0020] As a more optimal solution of the present invention: the L-shaped step card plate is clamped in the T-shaped card slot, and the top L end of each L-shaped step card plate is clamped to the two sides of the bottom of the mobile phone middle frame body.

[0021] The beneficial effects of the present invention are:

[0022] 1. A mobile phone middle frame flipping mechanism, a starting motor drives the screw rod to rotate, and the rotating screw rod drives the moving plate and the sliding blocks at both ends thereof to slide horizontally and linearly in the sliding grooves in the mounting plate 1 and the mounting plate 2. During the movement of the moving plate, the guide assembly moves together with the mobile phone middle frame body from the U-shaped groove and the moving channel in the fixed plate 2. At the same time, the linkage gear at the bottom end of the guide assembly also moves accordingly. When the linkage gear moves and engages with the rack plate at the bottom of the fixed plate 1, the mobile phone middle frame body is driven to flip. The flipping angle is zero to one hundred and eighty degrees, which effectively realizes the rapid flipping of the mobile phone middle frame body and is conducive to the adjustment of the flipping angle during the processing of the mobile phone middle frame body. It solves the disadvantages of using various pneumatic components to flip the mobile phone middle frame body in the prior art, not only reduces the basic cost and maintenance cost, but also improves the efficiency and quality of the flipping of the mobile phone middle frame body compared with the prior art because no pneumatic control system is used.

[0023] 2. This mobile phone middle frame flipping mechanism, when the moving plate moves, drives the mounting ring to move in the U-shaped groove and the moving channel. At the same time, the guide wheel rolls in the moving channel, and when the linkage gear engages with the rack plate, it drives the rotating rod to rotate, and drives the guide plate on the top of the rotating rod to rotate, promoting the flipping of the mobile phone middle frame body on the top of the guide plate. It not only promotes the stable movement and delivery of the mobile phone middle frame body to the designated processing station, but also reduces the number of workpiece handling times, reduces the need for manual intervention, and ensures that each surface of the mobile phone middle frame body can be evenly processed.

[0024] 3. This mobile phone middle frame flipping mechanism first uses a magnetic sheet to adsorb one side of the bottom of the mobile phone middle frame body to the top of the T-shaped guide rod, and inserts the four corners of the top of the T-shaped guide rod into the L-shaped step clamping plate accordingly, so that the four L-shaped step clamping plates clamp the two sides of the bottom of the mobile phone middle frame body, thereby promoting the movement and flipping stability of the mobile phone middle frame body. At the same time, the mobile phone middle frame body is flipped 90 degrees, so that the mobile phone middle frame body rotates around the rotating axis. After the mobile phone middle frame body is flipped, it can be supported by the L-shaped limit plate, thereby realizing horizontal flipping of the mobile phone middle frame body, which is convenient for subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the main structure of a mobile phone middle frame flip mechanism proposed by the present invention;

[0026] Figure 2 This is a side structural diagram of a mobile phone middle frame flip mechanism proposed by the present invention;

[0027] Figure 3 This is a schematic diagram of the top view of the flip mechanism of the mobile phone middle frame proposed by the present invention;

[0028] Figure 4 This is a structural diagram of A in a mobile phone middle frame flip mechanism proposed by the present invention;

[0029] Figure 5 This is a structural schematic diagram of a mobile flip mechanism in a mobile phone middle frame flip mechanism proposed by the present invention;

[0030] Figure 6 This is a schematic diagram of the exploded structure of a mobile flip mechanism in a mobile phone middle frame flip mechanism proposed by the present invention;

[0031] Figure 7 This is a partial structural diagram of a mobile flip mechanism in a mobile phone middle frame flip mechanism proposed by the present invention;

[0032] Figure 8 This is a structural schematic diagram of a fixed component in a mobile phone middle frame flip mechanism proposed by the present invention.

[0033] Figure: 1, support frame; 2, mounting plate 1; 3, mounting plate 2; 4, bracket; 5, mobile phone middle frame; 6, fixing plate 1; 7, bearing seat; 8, screw; 9, fixing plate 2; 10, mobile flip mechanism; 11, motor; 12, main gear; 13, secondary gear; 14, guide shaft; 1001, fixing assembly; 1002, moving plate; 1003, linkage gear; 1004, rack plate; 1005, switch Mouth; 1006, guide assembly; 1007, U-shaped groove; 1008, moving channel; 10011, L-shaped step plate; 10012, T-shaped guide rod; 10013, rotating shaft; 10014, T-shaped slot; 10061, guide wheel; 10062, mounting ring; 10063, rotating rod; 10064, connecting plate; 10065, guide plate; 10066, rotating slot; 10067, L-shaped limit plate. DETAILED DESCRIPTION

[0034] The technical solution of the present invention will be further described in detail below in conjunction with specific implementation methods.

[0035] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0036] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "disposed" should be understood in a broad sense. For example, they may refer to fixed connection or disposition, detachable connection or disposition, or integral connection or disposition. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0038] Example 1:

[0039] A mobile phone middle frame flip mechanism, such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 As shown, it includes a mounting plate 1 2 and a mounting plate 2 3, the bottom outer wall of the mounting plate 1 2 is fixed with a support frame 1 by bolts, and a slide groove is opened on the opposite side of the mounting plate 1 2 and the mounting plate 2 3, and a sliding block is slidably connected in the slide groove, and a screw rod 8 is inserted into the interior of one of the sliding blocks, and the two inner sides of the mounting plate 1 2 are fixedly connected with bearing seats 7, and the two ends of the screw rod 8 form a rotational fit with the two bearing seats 7, and the bottom side and top side of the mounting plate 2 3 are respectively fixedly connected with a fixing plate 1 6 and a fixing plate 2 9, and the top side of the mounting plate 2 3 is provided with a movable flipping mechanism 10;

[0040] The top of the mobile flip mechanism 10 is clamped with the mobile phone middle frame body 5, one end of the screw rod 8 is connected to the guide shaft 14 through a thread, the circumferential outer wall of the guide shaft 14 is connected to the secondary gear 13 through a thread, and the circumferential teeth of the secondary gear 13 are engaged with the main gear 12, and one side of the fixing plate 2 9 is fixedly connected to the bracket 4, and one side of the bracket 4 is fixed with a motor 11 by a bolt, and the output end of the motor 11 is connected to the main gear 12 through a thread.

[0041] In order to quickly and effectively promote the movement and flipping of the mobile phone middle frame body 5; Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 As shown, the movable flip mechanism 10 includes a fixed component 1001, a movable plate 1002, a linkage gear 1003, a rack plate 1004, an opening 1005, a guide component 1006, a U-shaped groove 1007 and a movable channel 1008, and the fixed component 1001 is clamped in the middle of the bottom of the mobile phone middle frame body 5, and the two ends of the movable plate 1002 are fixedly connected to the opposite sides of the two sliding blocks;

[0042] The U-shaped groove 1007 is formed on one side of the bottom of the second fixed plate 9, and the movable channel 1008 is provided on the inner wall of the second fixed plate 9 above the U-shaped groove 1007. The opening 1005 is formed at one end of the movable channel 1008. The guide assembly 1006 is limitedly slidably connected in the U-shaped groove 1007 and the movable channel 1008.

[0043] The linkage gear 1003 is connected to the bottom end of the guide assembly 1006 by a thread, and the rack plate 1004 is fixedly connected to the bottom of the fixed plate 6, and the rack plate 1004 and the linkage gear 1003 are meshed with each other;

[0044] During operation, the starting motor 11 drives the screw 8 to rotate, and the rotating screw 8 drives the movable plate 1002 and the sliding blocks at both ends to slide horizontally and linearly in the sliding grooves in the mounting plate 1 2 and the mounting plate 2 3. During the movement of the movable plate 1002, the guide assembly 1006 and the mobile phone middle frame body 5 move through the U-shaped groove 1007 and the movable channel 1008 in the fixed plate 2 9;

[0045] At the same time, the linkage gear 1003 at the bottom of the guide assembly 1006 also moves accordingly. When the linkage gear 1003 moves and engages with the rack plate 1004 at the bottom of the fixed plate 6, it drives the mobile phone middle frame body 5 to flip over, and the flip angle is from zero to one hundred and eighty degrees, which effectively realizes the rapid flipping of the mobile phone middle frame body 5 and is beneficial to the adjustment of the flip angle of the mobile phone middle frame body 5 during the processing process, and solves the drawbacks of using various pneumatic components to flip the mobile phone middle frame body 5 in the prior art. It not only reduces the basic cost and maintenance cost, but also does not use a pneumatic control system compared to the prior art, thereby improving the efficiency and quality of the flipping of the mobile phone middle frame body 5.

[0046] In order to promote the stable movement of the mobile phone middle frame body 5; Figure 7 As shown, the guide assembly 1006 includes a guide wheel 10061, a mounting ring 10062, a rotating rod 10063, a connecting plate 10064, a guide plate 10065 and an L-shaped limiting plate 10067. The bottom end of the rotating rod 10063 is threaded on the inner circumference of the linkage gear 1003, and the mounting ring 10062 is limitedly slidably connected to the moving channel 1008. The mounting ring 10062 and the rotating rod 10063 are interlaced.

[0047] The middle section of the rotating rod 10063 is limited in the U-shaped groove 1007, the connecting plate 10064 is fixedly connected to both sides of the mounting ring 10062, the guide wheel 10061 is rotatably connected to the inner side of the connecting plate 10064, and the guide plate 10065 is fixedly connected to the top of the rotating rod 10063;

[0048] The guide plate 10065 has a notch at the top, an L-shaped limiting plate 10067 is provided on one side of the notch, and a rotating groove 10066 is provided on both inner sides of the notch, and the bottom of the rotating rod 10063 passes through the movable plate 1002;

[0049] When the movable plate 1002 moves, it drives the mounting ring 10062 to move in the U-shaped groove 1007 and the movable channel 1008. At the same time, the guide wheel 10061 rolls in the movable channel 1008, and when the linkage gear 1003 engages with the rack plate 1004, it drives the rotating rod 10063 to rotate, and drives the guide plate 10065 on the top of the rotating rod 10063 to rotate, promoting the flipping of the mobile phone middle frame body 5 on the top of the guide plate 10065, which not only promotes the stable movement and delivery of the mobile phone middle frame body 5 to the designated processing station, but also reduces the number of times the workpiece is moved, reduces the need for manual intervention, and ensures that each surface of the mobile phone middle frame body 5 can be evenly processed.

[0050] Working principle: The mobile phone middle frame body 5 is fixed to the top of the guide plate 10065 through the fixing component 1001, and the starting motor 11 drives the screw rod 8 to rotate. The rotating screw rod 8 drives the movable plate 1002 and the sliding blocks at both ends to slide horizontally and linearly in the sliding grooves in the mounting plate 1 2 and the mounting plate 2 3. When the movable plate 1002 moves, it drives the mounting ring 10062 to move in the U-shaped groove 1007 and the movable channel 1008. At the same time, the guide wheel 10061 rolls in the movable channel 1008, and when the linkage gear 1003 engages with the rack plate 1004, it drives the rotating rod 10063 to rotate, and drives the guide plate 10065 on the top of the rotating rod 10063 to rotate, thereby promoting the flipping of the mobile phone middle frame body 5 on the top of the guide plate 10065.

[0051] Example 2:

[0052] A mobile phone middle frame flip mechanism is used to fix one side of the mobile phone middle frame body 5 to ensure that the mobile phone middle frame body 5 will not fall off during movement and flipping; Figure 8 As shown, the fixing assembly 1001 includes an L-shaped step clamping plate 10011, a T-shaped guide rod 10012, a rotating shaft 10013 and a T-shaped slot 10014, and the rotating shaft 10013 is rotatably connected to the rotating slot 10066;

[0053] The T-shaped guide rod 10012 is connected to the circumference of the rotating shaft 10013 through a thread, and the top of the T-shaped guide rod 10012 is connected to one side of the mobile phone middle frame body 5 through a magnetic sheet, and T-shaped slots 10014 are opened at the top four corners of the T-shaped guide rod 10012;

[0054] The L-shaped step card plate 10011 is clamped in the T-shaped card slot 10014, and the top L end of each L-shaped step card plate 10011 is clamped to the two sides of the bottom of the mobile phone middle frame body 5.

[0055] First, use the magnetic sheet to adsorb one side of the bottom of the mobile phone middle frame body 5 on the top of the T-shaped guide rod 10012, and insert the four corners of the top of the T-shaped guide rod 10012 into the L-shaped step clamping plate 10011, so that the four L-shaped step clamping plates 10011 clamp the two sides of the bottom of the mobile phone middle frame body 5, thereby promoting the stability of the movement and flipping of the mobile phone middle frame body 5. At the same time, flip the mobile phone middle frame body 5 ninety degrees, so that the mobile phone middle frame body 5 rotates around the rotating shaft 10013, and after the mobile phone middle frame body 5 is flipped, it can be supported by the L-shaped limit plate 10067, thereby realizing the horizontal flipping of the mobile phone middle frame body 5, which is convenient for subsequent processing.

[0056] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A mobile phone middle frame flip mechanism, comprising a mounting plate 1 (2) and a mounting plate 2 (3), characterized in that: The bottom outer wall of the mounting plate 1 (2) is fixed with a support frame (1) by bolts, and a slide groove is provided on the opposite side of the mounting plate 1 (2) and the mounting plate 2 (3), and a sliding block is slidably connected in the slide groove, a screw rod (8) is inserted into the interior of one of the sliding blocks, and the two inner sides of the mounting plate 1 (2) are fixedly connected with bearing seats (7), and the two ends of the screw rod (8) form a rotational fit with the two bearing seats (7), and the bottom side and the top side of the mounting plate 2 (3) are fixedly connected with the fixing plate 1 (6) and the fixing plate 2 (9) respectively, and the top side of the mounting plate 2 (3) is provided with a movable flipping mechanism (10); The top of the mobile flip mechanism (10) is clamped with the mobile phone middle frame body (5), one end of the screw rod (8) is connected to the guide shaft (14) through a thread, the circumferential outer wall of the guide shaft (14) is connected to the secondary gear (13) through a thread, and the circumferential teeth of the secondary gear (13) are meshed with the main gear (12), and one side of the fixing plate (9) is fixedly connected to the bracket (4), and the motor (11) is fixed to one side of the bracket (4) through a bolt, and the output end of the motor (11) is connected to the main gear (12) through a thread; The mobile flip mechanism (10) comprises a fixed component (1001), a mobile plate (1002), a linkage gear (1003), a rack plate (1004), an opening (1005), a guide component (1006), a U-shaped groove (1007) and a mobile channel (1008), wherein the fixed component (1001) is clamped in the middle of the bottom of the mobile phone middle frame body (5), the two ends of the mobile plate (1002) are fixedly connected to the opposite sides of the two sliding blocks, the U-shaped groove (1007) is opened on one side of the bottom of the fixed plate (9), and the mobile The channel (1008) is provided on the inner wall of the second fixed plate (9) near the upper side of the U-shaped groove (1007), and the opening (1005) is provided at one end of the movable channel (1008). The guide assembly (1006) is limitedly slidably connected to the U-shaped groove (1007) and the movable channel (1008). The linkage gear (1003) is connected to the bottom end of the guide assembly (1006) by a thread. The rack plate (1004) is fixedly connected to the bottom of the first fixed plate (6), and the rack plate (1004) and the linkage gear (1003) are meshed with each other. The fixing assembly (1001) comprises an L-shaped step card plate (10011), a T-shaped guide rod (10012), a rotating shaft (10013) and a T-shaped slot (10014), wherein the rotating shaft (10013) is rotatably connected to the rotating slot (10066), the T-shaped guide rod (10012) is connected to the circumference of the rotating shaft (10013) by a thread, and the top of the T-shaped guide rod (10012) is connected to one side of the mobile phone middle frame body (5) by a magnetic sheet, the T-shaped slot (10014) is opened at the top four corners of the T-shaped guide rod (10012), the L-shaped step card plate (10011) is clamped in the T-shaped slot (10014), and the top L end of each L-shaped step card plate (10011) is clamped to the two sides of the bottom of the mobile phone middle frame body (5).

2. A mobile phone middle frame flip mechanism according to claim 1, characterized in that: The guide assembly (1006) comprises a guide wheel (10061), a mounting ring (10062), a rotating rod (10063), a connecting plate (10064), a guide plate (10065) and an L-shaped limiting plate (10067), wherein the bottom end of the rotating rod (10063) is threaded on the inner circumference of the linkage gear (1003), the mounting ring (10062) is limitedly slidably connected in the moving channel (1008), and the mounting ring (10062) and the rotating rod (10063) are interlaced.

3. The mobile phone middle frame flipping mechanism according to claim 2, characterized in that: The middle section of the rotating rod (10063) is circumferentially limited within the U-shaped groove (1007), the connecting plate (10064) is fixedly connected to both sides of the mounting ring (10062), the guide wheel (10061) is rotatably connected to the inner side of the connecting plate (10064), and the guide plate (10065) is fixedly connected to the top end of the rotating rod (10063).

4. The mobile phone middle frame flipping mechanism according to claim 2, characterized in that: A notch is provided on the top of the guide plate (10065), an L-shaped limiting plate (10067) is arranged on one side of the notch, and a rotating groove (10066) is provided on both inner sides of the notch, and the bottom of the rotating rod (10063) passes through the movable plate (1002).

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