Folding screen mobile phone unfolding, closing and locking mechanism

Abstract

The present invention relates to an unfolding, closing and locking mechanism for a folding screen mobile phone, which includes a cover, a connecting rod, a connecting bar, an elastic member and a locking piece; threaded holes are symmetrically arranged on the left and right sides of the cover; connecting through holes corresponding to the threaded holes one by one are arranged on the locking piece; two connecting rods are symmetrically arranged on the left and right sides of the cover; the connecting rods are located between the cover and the locking piece; the threaded part of the connecting bar sequentially passes through the connecting through holes on the locking piece and the through holes on the connecting rod and then is connected and matched with the threaded holes on the cover; the gear parts of the two connecting rods are in transmission cooperation; a groove is arranged on the end face of the gear part facing the locking piece, and a boss corresponding to the groove to form locking is arranged on the end face of the locking piece facing the gear part. The elastic member is sleeved on the connecting bar and is located between the pressing head and the locking piece; the pressing head acts on the elastic member, and the elastic member presses the locking piece. The present invention can effectively solve the problem that when the folding screen mobile phone is in the unfolded or closed state, it is necessary to deliberately control the current unfolded or closed state, and effectively improve the user experience.

Description

Technical Field

[0001] The present invention relates to mobile phone components, and particularly to a folding and closing locking mechanism for a folding screen mobile phone. Background Art

[0002] With the continuous development of mobile phone technology, people's requirements for the functions of mobile phones are no longer limited to communication, and more and more functions are given to mobile phones. In particular, mobile phones have begun to replace some of the functions of computers, such as office work. With the continuous development of flexible screen technology, folding screen mobile phones have now been invented by applying flexible screens to mobile phones. Since the screen of a folding screen mobile phone can be folded, people can switch between a large screen and a small screen.

[0003] In existing folding screen mobile phones, the middle folding rotating shaft is a mechanical structure and is guided by means of hinges, etc. However, there are still the following deficiencies in the effect of the mechanism of existing manual folding screen mobile phones:

[0004] In the two states of "unfolding" and "closing" of the screen, there is no certain holding force (locking force). When users use it, they need to manually and deliberately control the "open" or "closed" state, resulting in a low user experience. Summary of the Invention

[0005] The purpose of the present invention is to provide a folding and closing locking mechanism for a folding screen mobile phone, which can effectively lock the folding screen mobile phone in the unfolded and closed states.

[0006] The technical solution for achieving the purpose of the present invention is as follows: The present invention has a cover, a connecting rod, a connecting rod, an elastic member, and a locking piece; threaded holes are symmetrically provided on the left and right sides of the cover; the connecting rod includes a rod body, and one end of the rod body is a gear portion; the rotation center of the gear portion is a through hole; the locking piece is provided with connection through holes corresponding one by one to the threaded holes on the cover; two connecting rods are symmetrically provided on the left and right sides of the cover; the connecting rods are located between the cover and the locking piece, and the through holes on the connecting rods are coaxially corresponding to the threaded holes and the connection through holes on the corresponding sides; the connecting rod includes a smooth rod, one end of the smooth rod is provided with a pressing head, and the other end is provided with a threaded portion; one threaded hole corresponds to one connecting rod; the threaded portion of the connecting rod sequentially passes through the connection through hole on the locking piece, the through hole on the connecting rod, and then is connected and matched with the threaded hole on the cover; the gear portion of the connecting rod is rotatably sleeved on the smooth rod; the gear portions of the two connecting rods are in transmission cooperation; a groove is provided on the end face of the gear portion facing the locking piece, and a convex platform corresponding to the groove to form a lock is provided on the end face of the locking piece facing the gear portion, or a convex platform is provided on the end face of the gear portion facing the locking piece, and a groove corresponding to the convex platform to form a lock is provided on the end face of the locking piece facing the gear portion; the elastic member is sleeved on the connecting rod and is located between the pressing head and the locking piece; the pressing head acts on the elastic member, and the elastic member presses the locking piece.

[0007] The gear parts of the two connecting rods form a transmission fit through a gear set; the gear set includes a first gear and a second gear; the first gear and the second gear are rotatably arranged between the lock piece and the cover; the gear part of one connecting rod meshes and drives with the first gear, the first gear meshes and drives with the second gear, and the second gear meshes and drives with the gear part of the other connecting rod.

[0008] When the two connecting rods form an angle of 90° or 180°, the convex platform can slide into the corresponding groove to form a lock.

[0009] Four threaded holes are provided on the above-mentioned cover, and four connecting through holes corresponding to the threaded holes one by one are provided on the lock piece; there are four connecting rods; through holes are provided on both the first gear and the second gear; the four threaded holes respectively correspond to the through holes on the connecting rod, the through hole on the first gear, and the through hole on the second gear; the threaded part of the connecting rod passes through the connecting through hole on the lock piece, the through hole on the connecting rod, the through hole on the first gear, or the through hole on the second gear and then is connected and matched with the threaded hole on the cover; the first gear and the second gear are rotatably sleeved on the smooth rod of the corresponding connecting rod.

[0010] A connecting body that can be connected to the folding hinge of the mobile phone is provided on the above-mentioned cover.

[0011] A convex ring arranged along the through hole is provided on the end face of the above-mentioned connecting rod facing the cover.

[0012] The above elastic member is a spring washer.

[0013] An adjustment groove for a screwdriver to adjust the pressing degree is provided on the pressing head of the connecting rod.

[0014] The present invention has positive effects: (1) The present invention can achieve locking through the convex platform and the groove, so that when the folding screen mobile phone is in the unfolded or closed state, the state can be ensured to be stable and will not shake randomly, thereby improving the use experience.

[0015] (2) The present invention is driven by a gear set, which can not only ensure the synchronization of the rotation of the connecting rod, but also ensure the acting force of the connecting rod on the folding frame when sliding on the folding frame of the folding screen mobile phone.

[0016] (3) The present invention can press the lock piece tightly on the cover through the elastic member, and the convex platform can overcome the pressing force of the connecting rod and the elastic member under the action of an external force before it can slide out of the groove and chute, thereby ensuring the folding and unfolding use effect of the folding screen mobile phone.

[0017] (4) The present invention realizes the assembly connection through the connecting rod, so subsequent maintenance and replacement are convenient.

[0018] (5) The present invention can reduce the friction between the connecting rod and the cover through the convex ring, thereby further improving the folding and unfolding effect of the folding screen mobile phone.

[0019] (6) The present invention can adjust the pressing degree of the elastic member by the connecting rod through inserting a screwdriver into the adjustment groove, making the cooperation between the boss and the groove smoother, thereby enhancing the flipping feel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the present invention more clearly understood, the following further describes the present invention in detail according to specific embodiments in conjunction with the drawings, where

[0021] Figure 1 is a schematic structural view of the present invention;

[0022] Figure 2 is a first exploded view of the present invention;

[0023] Figure 3 is a second exploded view of the present invention;

[0024] Figure 4 is a schematic structural view of the cover in the present invention;

[0025] Figure 5 is a schematic structural view of the connecting rod in the present invention;

[0026] Figure 6 is Figure 5 an enlarged view of part A in

[0027] Figure 7 is a schematic structural view of the lock piece in the present invention;

[0028] Figure 8 is a schematic view of the present invention in the deployed state during use;

[0029] Figure 9 is a schematic view of the present invention in the closed state during use. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] See Figures 1 to 7 , the present invention has a cover 1, a connecting rod 2, a connecting rod 3, a spring washer, a lock piece 5 and a gear set; the gear set includes a first gear 6 and a second gear 7; four threaded holes 11 are provided on the cover 1; the connecting rod 2 includes a rod body 21, and one end of the rod body 21 is a gear portion 22; the rotation center of the gear portion 22 is a through hole; four connection through holes 51 corresponding to the threaded holes 11 on the cover 1 are provided on the lock piece 5; there are four connecting rods 3; through holes are provided on both the first gear 6 and the second gear 7; the four threaded holes 11 respectively correspond to the through holes on the connecting rod 2, the through hole on the first gear 6 and the through hole on the second gear 7.

[0031] On the left and right sides of the cover 1, two connecting rods 2 are symmetrically arranged; the connecting rods 2, the first gear 6 and the second gear 7 are located between the cover 1 and the lock piece 5, and the through holes on the connecting rods 2 correspond and are coaxial with two of the threaded holes 11 symmetrically arranged on the left and right sides of the cover and the connecting through hole 51.

[0032] The connecting rod 3 includes a smooth rod 31, one end of the smooth rod 31 is provided with a pressing head 32, and the other end is provided with a threaded part 33; one threaded hole 11 corresponds to one connecting rod 3.

[0033] The threaded part 33 of the connecting rod 3 passes through the connecting through hole 51 on the lock piece 5, the through hole on the connecting rod 2, the through hole on the first gear 6 or the through hole on the second gear 7 and then is connected and matched with the threaded hole 11 on the cover 1; the gear part 22 of the connecting rod 2, the first gear 6 and the second gear 7 are rotatably sleeved on the smooth rod 31 of the corresponding connecting rod 3.

[0034] The gear part 22 of one connecting rod 2 is meshed and driven with the first gear 6, the first gear 6 is meshed and driven with the second gear 7, and the second gear 7 is meshed and driven with the gear part 22 of the other connecting rod 2.

[0035] On the end face of the gear part 22 facing the lock piece 5, a groove 23 is provided, and on the end face of the lock piece 5 facing the gear part 22, a convex platform 52 corresponding to the groove 23 is provided to form a lock; the spring washer is sleeved on the connecting rod 3 and is located between the pressing head 32 and the lock piece 5; the pressing head 32 acts on the spring washer, and the spring washer presses the lock piece 5.

[0036] When the two connecting rods 2 form an included angle of 90° or 180°, the convex platform 52 can slide into the corresponding groove 23 to form a lock.

[0037] On the cover 1, a connecting body 12 that can be connected to the mobile phone folding hinge is provided. At the same time, the cover 1 is semicircular, and the lock piece 5 is also semicircular. The cover 1 can well protect the folding screen hinge, protecting the folding screen hinge when the mobile phone accidentally falls. The connecting body 12 is directly connected to the folding hinge, and no more description is made here. Those skilled in the art can easily think of the connection method in combination with the structure of the existing folding hinge.

[0038] On the end face of the connecting rod 2 facing the cover 1, a convex ring 24 is provided along the through hole.

[0039] On the pressing head 32 of the connecting rod 3, an adjusting groove for the screwdriver to adjust the pressing degree is provided. The adjusting groove can be a slotted type or a cross type, or other adjusting grooves similar to those on the nut.

[0040] In the later assembly, the connecting rod 2 forms a sliding connection with the folding screen frame, as shown in Figure 8 and Figure 9。The folding screen frame includes a folding frame 8 rotatably connected by a folding screen hinge, and two connecting rods 2 are respectively slidably connected to the folding frames 8 on the corresponding sides. As the folding screen is folded, the folding frame 8 will also rotate. To ensure the locking effect and the change in the mating position due to rotation, the connecting rod 2 is slidably connected to the folding frame 8. During operation, the connecting rod 2 can always rotate with the rotation of the folding frame 8 through the sliding fit with the folding frame 8, and can also act on the folding frame 8 in the reverse direction.

[0041] The working process of the present invention is as follows:

[0042] Unfolding of the folding screen mobile phone: Before unfolding, the folding screen mobile phone is in a closed state. At this time, the boss 52 on the locking piece 5 is located in the groove 23, and the screen of the folding screen mobile phone is in a closed and locked state; under the action of an external force, the screen is driven to unfold. At this time, the boss 52 slides out of the groove 23 under the action of the external force against the pressing force of the elastic pad and the pressing head 32; as the screen unfolds until it is fully unfolded, the boss 52 on the locking piece 5 will slide into the corresponding groove 23, thereby realizing the locking of the screen in the unfolded state.

[0043] Closing of the folding screen mobile phone: Before closing, the folding screen mobile phone is in an unfolded state. At this time, the boss 52 on the locking piece 5 is located in the groove 23, and the screen of the folding screen mobile phone is in an unfolded and locked state; under the action of an external force, the screen is driven to close. At this time, the boss 52 slides out of the groove 23 under the action of the external force against the pressing force of the elastic pad and the pressing head 32; as the screen closes until it is fully closed, the boss 52 on the locking piece 5 will slide into the corresponding groove 23, thereby realizing the locking of the screen in the closed state.

[0044] Through the above locking, the screen of the folding screen mobile phone does not need to be manually controlled in the unfolded and closed states, effectively improving the user experience.

[0045] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. Folding screen mobile phone unfolding, closing and locking mechanism, characterized in that: It has a cover (1), a connecting rod (2), a connecting bar (3), an elastic member (4) and a locking piece (5); threaded holes (11) are symmetrically arranged on the left and right sides of the cover (1); the connecting rod (2) includes a rod body (21), and one end of the rod body (21) is a gear portion (22); the rotation center of the gear portion (22) is a through hole; the locking piece (5) is provided with connection through holes (51) corresponding one-to-one to the threaded holes (11) on the cover (1); two connecting rods (2) are symmetrically arranged on the left and right sides of the cover (1); the connecting rod (2) is located between the cover (1) and the locking piece (5), and the through hole on the connecting rod (2) is coaxially corresponding to the threaded hole (11) and the connection through hole (51) on the corresponding side; the connecting bar (3) includes a smooth rod (31), one end of the smooth rod (31) is provided with a pressing head (32), and the other end is provided with a threaded portion (33); one threaded hole (11) corresponds to one connecting bar (3); the threaded portion (33) of the connecting bar (3) sequentially passes through the connection through hole (51) on the locking piece (5) and the through hole on the connecting rod (2) and then is connected and matched with the threaded hole (11) on the cover (1); the gear portion (22) of the connecting rod (2) is rotatably sleeved on the smooth rod (31); the gear portions (22) of the two connecting rods (2) are in transmission cooperation; a groove (23) is provided on the end face of the gear portion (22) facing the locking piece (5), and a boss (52) corresponding to the groove (23) to form a lock is provided on the end face of the locking piece (5) facing the gear portion (22), or a boss (52) is provided on the end face of the gear portion (22) facing the locking piece (5), and a groove (23) corresponding to the boss (52) to form a lock is provided on the end face of the locking piece (5) facing the gear portion (22); the elastic member (4) is sleeved on the connecting bar (3) and is located between the pressing head (32) and the locking piece (5); the pressing head (32) acts on the elastic member (4), and the elastic member (4) presses the locking piece (5); wherein, when the folding screen mobile phone is in the unfolded state or the closed state, the boss can be located in the groove to form a lock.

2. The unfolding, closing and locking mechanism of the folding screen mobile phone according to claim 1, wherein: The gear portions (22) of the two connecting rods (2) are in transmission cooperation through a gear set; the gear set includes a first gear (6) and a second gear (7); the first gear (6) and the second gear (7) are rotatably arranged between the locking piece (5) and the cover (1); the gear portion (22) of one connecting rod (2) is meshed and transmitted with the first gear (6), the first gear (6) is meshed and transmitted with the second gear (7), and the second gear (7) is meshed and transmitted with the gear portion (22) of the other connecting rod (2).

3. The unfolding, closing and locking mechanism of the folding screen mobile phone according to claim 1, wherein: When the two connecting rods (2) form an angle of 90° or 180°, the boss (52) can slide into the corresponding groove (23) to form a lock.

4. The unfolding, closing and locking mechanism of the folding screen mobile phone according to claim 2, wherein: Four threaded holes (11) are provided on the cover (1), and four connecting through holes (51) corresponding to the threaded holes (11) one by one are provided on the locking piece (5); there are four connecting rods (3); through holes are provided on both the first gear (6) and the second gear (7); the four threaded holes (11) respectively correspond to the through holes on the connecting rod (2), the through hole on the first gear (6), and the through hole on the second gear (7); the threaded portion (33) of the connecting rod (3) passes through the connecting through hole (51) on the locking piece (5), the through hole on the connecting rod (2), the through hole on the first gear (6), or the through hole on the second gear (7) and then is connected and matched with the threaded hole (11) on the cover (1); the first gear (6) and the second gear (7) are rotatably sleeved on the smooth rod (31) of the corresponding connecting rod (3).

5. The unfolding, closing and locking mechanism of the foldable screen mobile phone according to claim 1 or 2 or 3 or 4, characterized in that: A connecting body (12) that can be connected to the folding hinge of the mobile phone is provided on the cover (1).

6. The unfolding, closing and locking mechanism of the foldable screen mobile phone according to claim 1 or 2 or 3 or 4, characterized in that: A convex ring (24) arranged along the through hole is provided on the end face of the connecting rod (2) facing the cover (1).

7. The unfolding, closing and locking mechanism of the folding screen mobile phone according to claim 1, characterized in that: The elastic member (4) is a spring washer.

8. The unfolding, closing and locking mechanism of the folding screen mobile phone according to claim 1, wherein: An adjustment groove for a screwdriver to adjust the pressing degree is provided on the pressing head (32) of the connecting rod (3).

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