CN210864466U - Mobile terminal protection device - Google Patents

Abstract

The mobile terminal protection device provided by the utility model includes a first frame body, a second frame body, a first connecting piece and a second connecting piece; a frame, a second frame and a third frame; the second frame body includes a fourth frame, a fifth frame and a sixth frame which are connected in sequence to form a "匚"-shaped second accommodating space, and the first connector is connected to the first Between the frame and the fourth frame, the second connecting member is connected between the third frame and the sixth frame, and the first connecting member and the second connecting member are both bendable structures, so as to realize the first frame and the second frame. Folding and unfolding between the bodies, the first accommodating space and the second accommodating space are used to accommodate the foldable mobile terminal, so as to realize the protection of the foldable mobile terminal, and neither the first frame body nor the second frame body will block the foldable mobile terminal. The mobile terminal displays the screen.

Description

Mobile terminal protection device

technical field

The utility model belongs to the technical field of mobile terminal protection, in particular to a mobile terminal protection device.

Background technique

With the development of technology, mobile terminals such as foldable smartphones with more powerful functions have appeared. Images can be displayed on the two foldable parts of the mobile terminal as well as on the rotating shaft.

At present, there is no reliable protection device to protect the foldable mobile terminal in the unfolded state and the folded state.

Utility model content

The purpose of the utility model is to provide a mobile terminal protection device, which can protect the foldable mobile terminal.

An embodiment of the present utility model provides a mobile terminal protection device, which includes a first frame body, a second frame body, a first connector and a second connector; the first frame includes a first accommodating member that forms a "crawl" shape The first frame, the second frame and the third frame that are connected in sequence in the space; the second frame body includes the fourth frame, the fifth frame and the sixth frame that are connected in sequence to form a second accommodating space in a "匚" shape, The first connecting member is connected between the first frame and the fourth frame, the second connecting member is connected between the third frame and the sixth frame, and the first connecting member and the second connecting piece are both bendable structures to realize the folding and unfolding between the first frame body and the second frame body, the first accommodating space and the second accommodating space use To accommodate foldable mobile terminals.

By arranging the first frame body, the second frame body and the bendable first connector and the second connector, the foldable mobile terminal can be accommodated, thereby realizing the protection of the foldable mobile terminal. The device is a frame structure surrounding the mobile terminal. Therefore, neither the first frame nor the second frame will block the display screen of the mobile terminal, so that the display effect of the mobile terminal is good whether it is folded or unfolded.

In a possible implementation, the first connector includes a first end, a main body and a second end, the first end is connected to an end of the first frame, and the second end is connected to the The ends of the fourth frame are connected, and the main body is an elastic structure and is connected between the first end and the second end. In the width direction of the first frame, the width of the main body is less than The width of the first frame is such that the first frame and the fourth frame form a first groove at the position of the main body, and the first groove is used to avoid the fourth frame and all the Describe the interference when the first frame is folded. The width of the main body is set to be smaller than that of the first frame, so that the fourth frame and the first frame can be closely attached without interference when folded, the appearance is uniform, and the protection effect on the mobile terminal is good.

In a possible implementation manner, in the width direction of the first frame, the first side of the main body is flush with the edge of the first frame, and the second side opposite to the first side is formed. When the first groove and the fourth frame rotate relative to the first frame, the first side is stretched, and the second side is compressed. The outer contour of the folded main body is made to smoothly transition with the first frame and the second frame, and the appearance is unified.

In a possible implementation manner, the second side is provided with a plurality of second grooves arranged at intervals, and a first protrusion is formed between two adjacent second grooves. When the fourth frame and the fourth frame are rotated and folded, the adjacent two first protruding parts move toward each other, so that the space of the second groove is reduced. The provision of the second groove enables the pressure on the second side to be released through the second groove, thereby reducing the risk that the second side is too elastic to bounce off the mobile terminal when it is compressed.

In a possible implementation manner, in the thickness direction of the first frame, the first side is provided with a plurality of second protrusions arranged at intervals, and the second protrusions face the third frame. Protruding, a third groove is formed between two adjacent second protrusions, when the first frame and the fourth frame are folded by relative rotation, the adjacent two second protrusions The rearward movement of the raised portion increases the space of the third groove. The provision of the third groove can release the pulling force of the first side, thereby reducing the risk that the first side will bounce off the mobile terminal due to excessive elastic force when the first side is stretched.

In a possible implementation manner, in the width direction of the first frame, the second groove and the third groove are staggered, and the second groove corresponds to the second raised portion, The third groove corresponds to the first protrusion. By staggering the arrangement of the second groove and the third groove, the structural strength of the main body can be ensured, and the width of the partial area can be prevented from being too narrow and easily broken when the overlapping arrangement is performed.

In a possible implementation manner, the first connecting member includes a first connecting plate, a second connecting plate, a third connecting plate and a bridging member, and the first connecting plate is connected to the end of the first frame, The second connecting plate is connected to the end of the fourth frame, the third connecting plate is arranged between the first connecting plate and the second connecting plate, and the first connecting plate is connected to the Between the third connecting plates, and between the second connecting plate and the third connecting plate, the bridging pieces are rotatably connected. The bendable structure is realized by a plurality of connecting plates and bridge pieces, and the folding between the first frame body and the second frame body can be realized, and a plurality of connecting plates and bridge pieces with simple structures are adopted, which is easy to process.

In a possible implementation manner, the number of the third connecting plates is not less than two, the number of the bridging parts is not less than three, and the bridging parts are also used to connect two adjacent third connections. plate. The more the number of the third connecting plates is, the smaller the bending angle between each adjacent two plate parts is when bending, so that the overall appearance of the first connecting part is smaller and the smoothness is better. The overall appearance formed between the frame body and the second frame body is unified.

In a possible implementation manner, the opposite ends of the first connecting plate and the third connecting plate are semicircular, and the opposite ends of two adjacent third connecting plates are semicircular shape so that the two connecting plates do not interfere when they are bent.

In a possible implementation manner, the first connecting plate and the third connecting plate are provided with through holes at their adjacent ends, and the bridging member cooperates with the through holes to connect the first connecting plate and the third connecting plate. The third connecting plate is connected. The bending between the two connecting plates is realized through the cooperation between the bridge piece and the through holes of the two connecting plates, and the structure is simple.

In a possible implementation manner, the bridge member includes a first matching portion, a second matching portion, and two fixing members, and the first matching portion and the second matching portion are respectively disposed on the first connecting plate On both sides of the plate, the first matching portion and the second matching portion are provided with corresponding connecting holes, and the connecting holes correspond to the through holes of the first connecting plate and the third connecting plate, and the fixing The first connecting plate and the third connecting plate are respectively connected with the two The fixing parts are connected in rotation. Simple structure and easy installation.

In a possible implementation manner, in the width direction of the first frame, the width of the first matching portion is smaller than the width of the first frame, so that the first frame and the fourth frame are within the same width. The position of the first matching portion forms a first groove, and the first groove is used to avoid interference when the fourth frame and the first frame are folded. The provision of the first groove can avoid structural interference, so that the appearance of the protection device is uniform and the protection effect is good.

In a possible implementation manner, the first side of the first matching portion is flush with the edge of the first frame, the second side opposite to the first side forms the first groove, and the The size of the first matching portion is gradually reduced from the first side to the second side, so that a second groove is formed between two adjacent first matching portions. When the first frame is relatively rotated and folded, the second sides of the two adjacent first matching parts move toward each other, so that the space of the second groove is reduced. The provision of the second groove can prevent the adjacent first matching parts from interfering during the bending process, so that the fourth frame and the first frame can be folded.

In a possible implementation manner, in the thickness direction of the first frame, an extension portion is provided on the first side, and the extension portion protrudes toward the third frame. The frame used to accommodate the mobile terminal to better protect the mobile terminal.

In a possible implementation manner, the first matching portion is disposed on a side of the first connecting plate that faces away from the third frame, and the first matching portion faces away from the surface of the first connecting plate. A shielding portion is provided, and the shielding portion is used to shield the connecting hole. Cover the connection holes and fixing parts to make the appearance uniform.

In a possible implementation manner, the first frame is provided with a fixing member facing the inner side of the first accommodating space, and the fixing member is used for fixing the mobile terminal.

In a possible implementation manner, two edges in the width direction of the inner side of the first frame are provided with protruding enclosing parts, so that the first frame is enclosed to form a receiving groove, and the receiving groove is used for the accommodation. the frame of the mobile terminal.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic structural diagram of a mobile terminal protection device of an embodiment in an unfolded state, including a cross-sectional view of a first frame along the E-E direction;

Fig. 2 is the partial enlarged structure schematic diagram of A place in Fig. 1;

3 is a schematic structural diagram of a folded state of a mobile terminal protection device according to an embodiment;

Fig. 4 is the partial enlarged structure schematic diagram of B place in Fig. 3;

5 is a schematic structural diagram of a mobile terminal protection device in an unfolded state according to an embodiment;

Fig. 6 is the partial enlarged structure schematic diagram of C place in Fig. 5;

7 is a schematic structural diagram of a folded state of a mobile terminal protection device according to an embodiment;

Fig. 8 is a partial enlarged structural schematic diagram at D in Fig. 7;

Fig. 9 is a schematic diagram of an exploded structure of a first connector of an embodiment.

specific embodiment

Referring to FIG. 1 , an embodiment of the present invention provides a mobile terminal protection device, which includes a first frame body 10 , a second frame body 20 , a first connector and a second connector. The first frame body 10 and the second frame body 20 may be made of metal material or silicone material. The structures of the first connector and the second connector may be the same or different. The first connecting piece and the second connecting piece shown in the embodiment of FIG. 1 have the same structure, and are indicated by reference numeral 30 .

The first frame body 10 includes a first frame 11 , a second frame 12 and a third frame 13 which are connected in sequence to form a first accommodating space 101 in a "crawl" shape. The second frame body 20 includes a fourth frame 21 , a fifth frame 22 and a sixth frame 23 which are connected in sequence to form a second accommodating space 201 in the shape of a "匚". In other words, the first frame body 10 is a semi-enclosed frame structure, and the second frame body 20 is also a semi-enclosed frame structure. Taking the first frame body 10 as an example, and referring to the second frame body 20 , in an embodiment, the first frame body 10 is a hollow structure, and the first frame body 10 is not arranged and connected to the first frame 11 , the second frame 12 and the The plate between the third frame 13 . In another embodiment, a transparent film may also be arranged between the first frame 11 , the second frame 12 and the third frame 13 .

The first connecting member 30 is connected between the first frame 11 and the fourth frame 21, and the second connecting member 30 is connected between the third frame 13 and the sixth frame 23.

Please refer to FIG. 1 and FIG. 3 , the first connecting member 30 and the second connecting member 30 are both bendable structures, so as to realize the folding and unfolding between the first frame body 10 and the second frame body 20, and the first accommodating space 101 and the second accommodating space 201 are used for accommodating a foldable mobile terminal. The mobile terminal is, for example, a smart phone, a tablet computer, an e-book reader, and the like.

The mobile terminal may include a first panel and a second panel, and a bending portion connecting the first panel and the second panel. The bending portion is bent through an internal rotating shaft, and the rotating shaft may be a bendable structure such as a hinge. The first panel is accommodated in the first accommodating space 101, the second panel is accommodated in the second accommodating space 201, the position of the bending portion corresponds to the first connecting member 30 and the second connecting member 30, and the axis of the rotating shaft in the bending portion (ie The center line of the bending process, and the bending portion is a symmetrical distribution structure at the center of the center line) is the line connecting the centers of the first connecting piece 30 and the center of the second connecting piece 30 , that is, the dotted line M in FIG. 1 .

A display screen can be provided on both the first panel and the second panel, and the display screen is, for example, a bendable OLED display screen. Also, two opposite surfaces of the first panel and the second panel may be provided with a display screen. A display screen can also be provided in the bending part, so that when the first panel and the second panel are unfolded into a plane, the first panel and the second panel and the connected bending part form an integrated display screen. When the first panel and the second panel are folded, the display screens on the first panel and the second panel can also be displayed separately.

By arranging the first frame body 10, the second frame body 20 and the bendable first connector 30 and the second connector 30, the foldable mobile terminal can be accommodated, thereby realizing the protection of the foldable mobile terminal, In addition, since the protection device is a frame structure covering the surrounding of the mobile terminal, neither the first frame body 10 nor the second frame body 20 will block the display screen of the mobile terminal, so that the display screen of the mobile terminal is displayed when the mobile terminal is folded or unfolded. Works well.

In one embodiment, please refer to FIG. 1 , the first connecting member 30 , the first frame 11 and the second frame 21 may be an integral structure or a detachable split structure.

In one embodiment, please refer to FIG. 1 , the first frame 11 is provided with a fixing member 115 toward the inner side of the first accommodating space 101 . The fixing member 115 is, for example, double-sided tape, and the fixing member 115 strip structure), the magnetic strip structure can attract the metal frame of the terminal, and the fixing member 115 is used to fix the mobile terminal. The three frames of the first frame body 10 and the three frames of the second frame body 20 have a total of six frames, and a fixing member 115 may be provided on any one or more frames. By setting the fixing member 115, the mobile terminal can be more closely connected with the protection device of this embodiment, and the protection effect is good.

The inner side of the first frame 11 is the side facing the first accommodating space 101 . When the first accommodating space 101 accommodates the mobile terminal, the width direction of the first frame 11 is the direction perpendicular to the display surface of the mobile terminal. This description is also referred to in the subsequent description. In an embodiment, please refer to FIG. 1 , two edges of the inner side of the first frame 11 in the width direction W are provided with protruding enclosing parts, namely an enclosing part 116 and an enclosing part 117 , so that the first frame 11 is enclosed and formed. The accommodating groove 105 is formed so that the cross-section of the first frame 11 is formed into a "scratch" shape, and the opening faces the first accommodating space 101 . The accommodating slot 105 is used for accommodating the frame of the mobile terminal. Two enclosing parts 116 and 117 are provided to form a receiving groove 105 to accommodate the frame of the mobile terminal, which can better protect the mobile terminal.

In one embodiment, the first frame body 10 and the second frame body 20 may further have through holes corresponding to the external interface of the mobile terminal, so as to facilitate connection with external devices. For example, the third frame 13 of the first frame body 10 is provided with a first through hole 102 , and the first through hole 102 corresponds to the USB or Type-C interface of the mobile terminal. The sixth frame 23 of the second frame body 20 defines a second through hole 202, and the second through hole 202 can correspond to a volume adjustment button of the mobile terminal. Of course, there may also be other through holes corresponding to various interfaces of the mobile terminal, and decorative holes, etc. may also be provided, which will not be enumerated.

In one embodiment, the sizes of the first frame body 10 and the second frame body 20 are different, in other words, the volumes of the first accommodating space 101 and the second accommodating space 201 are different. As shown in FIG. 1 , the size of the first frame body 10 is larger than that of the second frame body 20 . 1 and 3, when the first frame body 10 and the second frame body 20 are folded relative to each other, the fourth frame 21 overlaps the first frame 11, the sixth frame 23 overlaps the third frame 13, and the fifth frame 22 is located at the There is a distance from the second frame 12 in an accommodating space 101 .

In another embodiment, the size of the first frame body 10 and the second frame body 20 are the same, and when folded, the three frames of the first frame body 10 and the second frame body 20 are all overlapped.

The structure of the first connector will be described below, and the second connector may be referred to.

In one embodiment, please refer to FIG. 1 and FIG. 2 , the first connector 30 includes a main body 31 , a first end 32 and a second end 33 . The first end 32 is connected to the end 111 of the first frame 11 , the second end 33 is connected to the end 211 of the fourth frame 21 , and the main body 31 is connected between the first end 32 and the second end 33 .

Wherein, the shape of the first end 32 may correspond to the shape of the first frame 11 (the two may be the same, or an integrated smooth transition is formed where the two meet), so that the first frame 11 to the first connecting member 30 is smooth. Transition, uniform appearance. When the first connecting member 30 and the first frame 11 are detachable structures, the connection manner of the first end 32 and the end 111 of the first frame 11 may be bonding, clamping or the like. The connection between the second end 33 and the second frame 21 is similar to this, and can be referred to.

Please refer to FIG. 1 and FIG. 2 , the main body portion 31 is integrally formed, for example, formed by soft glue. The main body portion 31 has the ability of elastic deformation, and can be stretched or compressed under the action of an external force. Therefore, the present application defines the main body portion 31 as an elastic structure. In one embodiment, the main body portion 31 may be integrally formed by a soft material, for example, the material of the main body portion 31 is silica gel. In other embodiments, the main body portion 31 may also be implemented by other structures with elastic deformation capability, such as a structure similar to a spring. The main body portion 31 forms the middle portion of the first connecting member 30 and is connected between the first end 32 and the second end 33 . The first end 32 and the second end 33 may be an integral structure with the main body portion 31, and the first end 32 and the second end 33 and the main body portion 31 may be made of the same material, for example, all three are made of silicone. The first end 32 and the second end 33 and the main body 31 can also be made of different materials. For example, the first end 32 and the second end 33 are rigid materials, such as steel sheets, while the main body 31 is flexible (or soft). Material, such as silicone, in this case, the first end 32 and the second end 33 and the main body 31 can also be formed by integral molding, of course, the main body 31 can also be fixed by other fixing methods such as heat fusion. The fixed connection is between the first end 32 and the second end 33 .

Referring to FIGS. 1 and 2 , in the width direction W of the first frame 11 , the width of the main body 31 is smaller than the width of the first frame 11 , so that the first frame 11 and the fourth frame 21 are formed at the position of the main body 31 . The first groove 301 is used to avoid interference when the fourth frame 21 and the first frame 11 are relatively bent (or folded).

Please refer to FIG. 2 in conjunction with FIG. 3 , if the width of the main body 31 is the same as the width of the first frame 11 without forming the first groove 301 , when the fourth frame 21 is folded toward the first frame 11 , the main body on the folded side The part 31 will be twisted and deformed by the pressure, and the sides of the same side (the upper side shown in FIG. 2 ) of the fourth frame 21 and the first frame 11 cannot be closely attached due to interference, and the first connector at the fold 30 and part of the first frame 11 and the second frame 21 are separated from the mobile terminal, not only the appearance is not uniform, but also the mobile terminal at the folded place may lose its protection and be easily damaged. Therefore, setting the width of the main body 31 to be smaller than the width of the first frame 11 enables the fourth frame 21 and the first frame 11 to be closely attached without interference when folded, with uniform appearance and good protection effect on the mobile terminal.

In an embodiment, referring to FIGS. 1 and 2 , in the width direction W of the first frame 11 , the first side 305 of the main body 31 (the lower side of the first frame 11 in FIG. 2 ) and the first frame 11 The edges are flush, and the second side 306 opposite to the first side 305 forms the first groove 301 . When the fourth frame 21 rotates relative to the first frame 11 , the first side 305 is stretched, and the second side 306 is compressed. The side where the main body 31 is arranged is flush with the edge of the first frame 11 , with reference to FIG.

In an embodiment, please refer to FIG. 2 and FIG. 4 , a plurality of second grooves 302 are formed on the second side 306 at intervals, and a first protrusion 34 is formed between two adjacent second grooves 302 . When the first frame 11 and the fourth frame 21 are rotated relative to each other and folded, the adjacent two first protrusions 34 move toward each other, so that the space of the second groove 302 is reduced. When the first frame 11 and the fourth frame 21 are folded relative to each other, the second side 306 of the main body 31 is compressed, and the second groove 302 is provided, so that the pressure on the second side 306 can be released through the second groove 302, reducing the When the two sides 306 are compressed, the elasticity is too large and there is a risk that the two sides 306 will bounce off the mobile terminal.

In an embodiment, please refer to FIG. 1 , FIG. 2 and FIG. 4 , the thickness direction T of the first frame 11 is the direction perpendicular to the width of the first frame 11 , that is, the thickness direction T of the first frame 11 is the second frame. 12 extension direction. In the thickness direction of the first frame 11 , the first side 305 is provided with a plurality of second protrusions 35 arranged at intervals.

The second protrusions 35 protrude toward the third frame 13 , and a third groove 303 is formed between two adjacent second protrusions 35 . When the first frame 11 and the fourth frame 21 are rotated relative to each other and folded, the adjacent two second protrusions 35 move back to increase the space of the third groove 303 .

The third groove 303 may partially extend to the edge of the width direction W of the first frame 11 , that is, the portion of the first side 305 having the third groove 303 on the edge of the first side 305 that is flush with the first frame 11 . When the first frame 11 and the second frame 21 are folded relative to each other, the first side 305 of the main body portion 31 is stretched. The provision of the third groove 303 can release the pulling force of the first side 305 and reduce the risk that the first side 305 will bounce off the mobile terminal due to excessive elastic force when the first side 305 is stretched.

In an embodiment, please refer to FIG. 1 and FIG. 2 , in the width direction W of the first frame 11 , the second groove 302 and the third groove 303 are staggered, and the second groove 302 corresponds to the second protrusion. 35. The third groove 303 corresponds to the first protrusion 34 . The staggered arrangement of the second groove 302 and the third groove 303 can ensure the structural strength of the main body portion 31 and prevent the width of the partial area from being too narrow and easily broken when overlapping. The second protruding portion 35 corresponds to the enclosing portion of the first frame 11 because it is covered by the frame of the mobile terminal.

In an embodiment, the shape of the second groove 302 and the third groove 303 is arc-shaped, so as to avoid stress concentration at the positions of the second groove 302 and the third groove 303, and the main body 31 is easy to be formed due to the stress concentration. risk of breakage.

In another embodiment, please refer to FIG. 5 to FIG. 9 , the first connecting member 40 includes a first connecting plate 41 , a second connecting plate 42 , a third connecting plate 43 and a bridge member.

The first connecting plate 41 is connected to the end 111 of the first frame 11 , and the second connecting plate 42 is connected to the end 211 of the fourth frame 21 . The structure of the second connecting plate 42 may be the same as that of the first connecting plate 41 , and the first connecting plate 41 will be introduced later, and the second connecting plate 42 may be referred to.

The third connecting plate 43 is disposed between the first connecting plate 41 and the second connecting plate 42 . The first connecting plate 41 and the third connecting plate 43 and the second connecting plate 42 and the third connecting plate 43 are connected in rotation through bridges.

Different from the structure of the main body portion 31 of the integral structure of the elastic structure in the embodiment in FIG. 2 , the first connecting member 40 of this embodiment realizes a bendable structure through a plurality of connecting plates and bridge members, and can also realize the first frame The folding between the body 10 and the second frame body 20 adopts a plurality of connecting plates and bridges with a simple structure, which is easy to process.

In this embodiment, the material of each connecting plate and the bridge member is preferably metal, and the material of the first frame body 10 and the second frame body 20 is also preferably metal.

In an embodiment, please refer to FIG. 6, FIG. 8 and FIG. 9, the number of the third connecting plates 43 is not less than two, the number of bridges is not less than three, and the bridges are also used to connect two adjacent second plates. Three connecting plates 43 . The more the number of the third connecting plates 43 is arranged, the smaller the bending angle between each two adjacent plate parts is when bending, so that the overall appearance of the first connecting part 40 is less suddenly changed and the degree of smoothness is better. The overall appearance formed between the first frame body 10 and the second frame body 20 is unified.

In one embodiment, please refer to FIG. 9 , the first connecting plate 41 and the third connecting plate 43 are provided with through holes at their adjacent ends, that is, the first connecting plate 41 is provided with a through hole 411 , and the third connecting plate 43 is provided with a through hole 411 . There are through holes 431 . The bridge pieces cooperate with the through holes 411 and 431 to connect the first connecting plate 41 and the third connecting plate 43. The bending between the two connecting plates is realized through the cooperation between the bridge piece and the through holes of the two connecting plates, and the structure is simple.

The first connecting plate 41 can also be provided with a through hole 412 , and the through hole 412 is used to connect and cooperate with the first frame 11 to realize the fixing of the first connecting plate 41 and the first frame 11 .

In one embodiment, the opposite ends of the first connecting plate 41 and the third connecting plate 43 are semicircular, and the opposite ends of two adjacent third connecting plates 43 are semicircular. When the first connecting plate 41 and the third connecting plate 43 are bent relative to each other, the opposite ends of the first connecting plate 41 and the third connecting plate 43 may collide and interfere. Semi-circular, so that the two connecting plates will not interfere when they are bent.

In one embodiment, please refer to FIG. 9 , the bridge member includes a first matching portion 441 , a second matching portion 45 and two fixing members 46 .

The first matching portion 441 and the second matching portion 45 are respectively disposed on both sides of the first connecting plate 41 . The first matching portion 441 and the second matching portion 45 are provided with corresponding connecting holes 443 and 452 . The through holes 411 and 431 of the first connecting plate 41 and the third connecting plate 43 correspond to each other. The fixing member 46 is inserted through the connecting holes 443, 452 and the through holes 411, 431 to fix the first matching portion 441 and the second matching portion 45, and the first connecting plate 41 and the third connecting plate 43 are respectively fixed to the two Pieces 46 are rotatably connected.

The connecting hole 443 can be a through hole, the connecting hole 452 can be a threaded hole, and the fixing member 46 can be a bolt. A boss 451 may be provided on the second matching portion 45 , and the connecting hole 452 is disposed on the boss 451 , so that the fixing member 46 and the second matching portion 45 can be more firmly fixed. After the first matching portion 441 and the second matching portion 45 are installed, the first connecting plate 41 is rotatably connected with one of the fixing members 46, and the third connecting plate 43 is rotatably connected with the other fixing member 46, thereby realizing the first connecting plate. The bending between 41 and the third connecting plate 43 has a simple structure and is easy to install.

In order to more stably fix the first matching portion 441 and the second matching portion 45, the first matching portion 441 and the second matching portion 45 are provided with corresponding connection holes 443, 452 in number of three or more, wherein two The connecting holes correspond to the through holes on the connecting plate respectively, and the remaining connecting holes are used for fixing the first matching portion 441 and the second matching portion 45 .

In an embodiment, please refer to FIG. 5 and FIG. 6 , in the width direction W of the first frame 11 (for the definition of the width direction, refer to the foregoing description, and refer to the reference numerals in FIG. 1 ), the width of the first matching portion 441 is The width is smaller than the width of the first frame 11 , so that the first groove 401 is formed at the position of the first matching portion 441 between the first frame 11 and the fourth frame 21 . 7 and 8 , the first groove 401 is used to avoid interference when the fourth frame 21 and the first frame 11 are folded. Similar to the foregoing embodiments, the provision of the first groove 401 can avoid structural interference, so that the appearance of the protection device is uniform and the protection effect is good.

In one embodiment, please refer to FIGS. 5 to 8 , the first side of the first matching portion 441 (corresponding to the first side 305 of the main body portion 31 ) is flush with the edge of the first frame 11 , and is flush with the first side of the first frame 11 . A second side opposite to the side (corresponding to the aforementioned second side 306 of the main body portion 31 ) forms a first groove 401 . The size of the first matching portion 441 gradually decreases from the first side to the second side, so that the second groove 402 is formed between two adjacent first matching portions 441 . When the fourth frame 21 and the first frame 11 are relatively rotated and folded, the second sides of the two adjacent first matching portions 441 move toward each other, so that the space of the second groove 402 is reduced. The provision of the second groove 402 can prevent the adjacent first matching portions 441 from interfering during the bending process, so that the fourth frame 21 and the first frame 11 can be folded.

In an embodiment, please refer to FIG. 5 and FIG. 6 , in the thickness direction T of the first frame 11 (for the definition of the thickness direction, refer to the foregoing description, and refer to the reference numerals in FIG. 1 ), the first side is provided with an extension. The extension portion 442 protrudes toward the third frame 13 . The extension portion 442 is used to correspond to the surrounding portion of the first frame 11 and used to accommodate the frame of the mobile terminal, so as to better protect the mobile terminal.

In an embodiment, please refer to FIGS. 6 and 9 , the first matching portion 441 is disposed on the side of the first connecting plate 41 facing away from the third frame 13 , and the first matching portion 331 faces away from the surface of the first connecting plate 41 . A shielding portion 47 is attached, and the shielding portion 47 is used to shield the connecting hole 443 . The shielding portion 47 may be an adhesive film, which shields the connecting hole 443 and the fixing member 46 to make the appearance uniform.

What has been disclosed above is only a preferred embodiment of the present invention, of course, it cannot limit the scope of rights of the present invention. Those of ordinary skill in the art can understand that all or part of the process of realizing the above-mentioned embodiment can be implemented according to the present invention. The equivalent changes made by the claims of the utility model still belong to the scope covered by the utility model.

Claims (17)

1. A mobile terminal protection device, characterized in that it comprises a first frame body, a second frame body, a first connector and a second connector; the first frame body comprises a first accommodating body that forms a "匚" shape The first frame, the second frame and the third frame that are connected in sequence in the space; the second frame body includes the fourth frame, the fifth frame and the sixth frame that are connected in sequence to form a second accommodating space in a "匚" shape, The first connecting member is connected between the first frame and the fourth frame, the second connecting member is connected between the third frame and the sixth frame, and the first connecting member and the second connecting piece are both bendable structures to realize the folding and unfolding between the first frame body and the second frame body, the first accommodating space and the second accommodating space use To accommodate foldable mobile terminals. 2 . The mobile terminal protection device according to claim 1 , wherein the first connector comprises a first end, a main body and a second end, and the first end is connected to an end of the first frame. 3 . The second end is connected with the end of the fourth frame, and the main body is an integrally formed elastic structure and is connected between the first end and the second end. 3 . The mobile terminal protection device according to claim 2 , wherein, in the width direction of the first frame, the width of the main body portion is smaller than the width of the first frame, so that the first frame The frame and the fourth frame form a first groove at the position of the main body, and the first groove is used to avoid interference when the fourth frame and the first frame are folded. 4 . The mobile terminal protection device according to claim 3 , wherein, in the width direction of the first frame, the first side of the main body is flush with the edge of the first frame, and is flush with the edge of the first frame. 5 . The first groove is formed on the second side opposite to the first side. When the fourth frame rotates relative to the first frame, the first side is stretched and the second side is compressed. 5 . The mobile terminal protection device according to claim 4 , wherein the second side is provided with a plurality of second grooves arranged at intervals, and a first groove is formed between two adjacent second grooves. 6 . When the first frame and the fourth frame are relatively rotated and folded, the two adjacent first raised parts move toward each other to reduce the space of the second groove. 6 . The mobile terminal protection device according to claim 5 , wherein in the thickness direction of the first frame, the first side is provided with a plurality of second protrusions arranged at intervals, and the first Two raised portions protrude toward the third frame, and a third groove is formed between two adjacent second raised portions. When the first frame and the fourth frame rotate relative to each other and are folded, The two adjacent second protrusions move back to increase the space of the third groove. 7 . The mobile terminal protection device according to claim 6 , wherein in the width direction of the first frame, the second groove and the third groove are staggered, and the second groove is staggered. 8 . The groove corresponds to the second protrusion, and the third groove corresponds to the first protrusion. 8 . The mobile terminal protection device according to claim 1 , wherein the first connecting member comprises a first connecting board, a second connecting board, a third connecting board and a bridge member, and the first connecting board is connected to the bridging member. 9 . The ends of the first frame are connected, the second connection plate is connected to the end of the fourth frame, and the third connection plate is arranged between the first connection plate and the second connection plate , between the first connecting plate and the third connecting plate, and between the second connecting plate and the third connecting plate through the bridging piece. 9 . The mobile terminal protection device according to claim 8 , wherein the opposite ends of the first connecting plate and the third connecting plate are semi-circular, and two adjacent second connecting plates are in a semicircle shape. 10 . The opposite ends of the three connecting plates are semicircular. 10 . The mobile terminal protection device according to claim 8 , wherein the adjacent ends of the first connecting plate and the third connecting plate are provided with through holes, and the bridge member is connected to the through holes. 11 . The first connection plate and the third connection plate are connected together. 11. The mobile terminal protection device according to claim 10, wherein the bridge member comprises a first matching part, a second matching part and two fixing parts, the first matching part and the second matching part The first connecting plate and the third Corresponding to the through holes of the connecting plate, the fixing member penetrates the connecting holes and the through holes to fix the first matching portion and the second matching portion, and the first connecting plate and the The third connecting plate is respectively rotatably connected with the two fixing pieces. 12 . The mobile terminal protection device according to claim 11 , wherein, in the width direction of the first frame, the width of the first matching portion is smaller than the width of the first frame, so that the The first frame and the fourth frame form a first groove at the position of the first matching portion, and the first groove is used to avoid interference when the fourth frame and the first frame are folded. 13. The mobile terminal protection device according to claim 12, wherein a first side of the first matching portion is flush with an edge of the first frame, and a second side opposite to the first side The first groove is formed, and the size of the first matching part is gradually reduced from the first side to the second side, so that a second groove is formed between two adjacent first matching parts When the fourth frame and the first frame rotate relative to each other to be folded, the second sides of the two adjacent first matching parts move toward each other to reduce the space of the second groove. 14 . The mobile terminal protection device according to claim 13 , wherein in the thickness direction of the first frame, an extension portion is provided on the first side, and the extension portion protrudes toward the third frame. 15 . . 15 . The mobile terminal protection device according to claim 11 , wherein the first matching portion is disposed on a side of the first connecting plate that faces away from the third frame, and the first matching portion faces away from the third frame. 16 . A shielding portion is attached to the surface of the first connecting plate, and the shielding portion is used to shield the connecting hole. 16. The mobile terminal protection device according to any one of claims 1 to 15, wherein the first frame is provided with a fixing member facing the inner side of the first accommodating space, and the fixing member is used for fixing the the mobile terminal. 17. The mobile terminal protection device according to any one of claims 1 to 15, wherein two edges in the width direction of the inner side of the first frame are provided with protruding enclosing parts, so that the first frame The frame is enclosed to form an accommodating groove, and the accommodating groove is used for accommodating the frame of the mobile terminal.

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