CN215072533U

CN215072533U - Mobile phone protective shell with connector fixed by screws

Info

Publication number: CN215072533U
Application number: CN202120352660.1U
Authority: CN
Inventors: 范奇星
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-12-07
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a mobile phone protective shell with a screw fixed connector, which comprises a protective shell main body with a holding cavity, wherein a male connector is arranged on the inner side wall of the holding cavity of the protective shell main body; wherein: the male connector is provided with an insertion section and a limiting part which is connected to the tail end of the insertion section and is convexly arranged on the outer side of the insertion section; the pressing and holding part is also arranged and is provided with a threaded hole; the protective shell main body is provided with a through hole penetrating through the inner side wall of the accommodating cavity; the threaded hole and the through hole are correspondingly arranged, the pressing and holding portion acts on the limiting portion to press the male connector on the inner side wall of the containing cavity, and the male connector passes through the through hole through a screw to be locked in the corresponding threaded hole, so that fixing is achieved. This kind of fixed mode is applicable to the male connector of different grade type, and the commonality is higher, and compatibility is stronger, and simultaneously, the screw and the lock solid of pressing the portion of holding have improved the steadiness of installing of male connector and cell-phone protective housing.

Description

Mobile phone protective shell with connector fixed by screws

Technical Field

The utility model belongs to the technical field of the cell-phone protective housing technique and specifically relates to indicate a screw fixed connector's cell-phone protective housing.

Background

With the rapid development of mobile communication technology, mobile phones have become an indispensable communication tool for people. The functions of a protective case for a mobile phone to protect the mobile phone are also becoming more and more abundant, for example: the charging connector is additionally arranged on the mobile phone protective shell, and after the mobile phone is placed into the mobile phone protective shell, the mobile phone can be charged by means of the mobile phone protective shell, so that an external electric connecting wire only needs to be connected with the mobile phone protective shell, a mother socket interface of the mobile phone is not required to be plugged and pulled frequently, and the problems of aging, poor contact, abrasion, looseness and the like of the mother socket interface of the mobile phone are avoided. However, in the prior art, the charging connector is generally positioned on the wall body of the mobile phone protection shell by injection molding, different molds are required for molding and manufacturing different charging connectors, the manufacturing is troublesome, and the positioning stability of the charging connector on the wall body of the mobile phone protection shell is not ideal.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a mobile phone protection case with a screw fixing connector, which is provided with a pressing portion acting on a spacing portion to press a male connector on an inner wall of a containing cavity, and a through hole through which a screw passes through the mobile phone protection case is locked in a corresponding threaded hole, so as to achieve fixation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a screw fixed connector's cell-phone protective housing which characterized in that: the protective shell comprises a protective shell main body with an accommodating cavity, wherein a male connector is arranged on the inner side wall of the accommodating cavity of the protective shell main body; wherein: the male connector is provided with an insertion section and a limiting part which is connected to the tail end of the insertion section and is convexly arranged on the outer side of the insertion section; the pressing and holding part is also arranged and is provided with a threaded hole; the protective shell main body is provided with a through hole penetrating through the inner side wall of the accommodating cavity; the threaded hole and the through hole are correspondingly arranged, the pressing and holding portion acts on the limiting portion to press the male connector on the inner side wall of the containing cavity, and the male connector passes through the through hole through a screw to be locked in the corresponding threaded hole, so that fixing is achieved.

As a preferable scheme, the pressing and holding part is an annular pressing frame, and the limiting part is convexly arranged at any one, any two, any three or four positions of the upper side, the lower side, the left side and the right side outside the inserting section; the inserting section penetrates through the annular pressing frame, so that the annular pressing frame is pressed on the limiting part.

As a preferred scheme, the inside wall in holding chamber is provided with dodges the concave position, spacing portion and pressure are held the portion and are sunken to be located dodge the concave position.

As a preferred scheme, the inner side wall of the accommodating cavity is provided with a reinforcing sheet in an embedding forming mode, the reinforcing sheet is provided with a connecting hole communicated with the through hole, and the screw penetrates through the connecting hole and is locked in the corresponding threaded hole.

As a preferable scheme, the nut portion of the screw abuts against the outer side of the reinforcing sheet, and the screw rod portion of the screw penetrates through the connecting hole and extends into the threaded hole.

As a preferable scheme, a convex column is convexly arranged on the inner side wall of the pressing part facing the accommodating cavity, the threaded hole penetrates through the convex column, and the convex column is abutted against the inner side of the reinforcing sheet.

Preferably, an external electrical interface electrically connected with the male connector is arranged on the outer surface of the protective shell main body.

As a preferred scheme, the external electrical interface is a magnetic interface.

As a preferred scheme, the male connector is a Type-C interface or a Lightning interface or a Micro-USB interface.

As a preferred scheme, an electricity storage and charging unit is arranged in the protective shell main body, and the male connector is also electrically connected to the electricity storage and charging unit; or, be provided with wireless receiving element that fills in the protective housing main part, male connector still electric connection fills receiving element in wireless.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, it is mainly:

the fixing mode is suitable for different types of male connectors, and has higher universality and stronger compatibility, and meanwhile, the screws are locked with the pressing and holding parts, so that the mounting stability of the male connector and the mobile phone protective shell is improved;

the arrangement of the reinforcing sheet effectively improves the locking force of the screw, further improves the installation stability of the male connector and the mobile phone protective shell, and particularly, the nut portion of the screw abuts against the outer side of the reinforcing sheet, the convex column abuts against the inner side of the reinforcing sheet, namely the screw and the pressing portion all use the reinforcing sheet as a positioning reference at the opposite side, and the positioning reliability is good.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembly view of an embodiment of the present invention;

fig. 2 is a transverse sectional view (assembled state) of an embodiment of the present invention;

fig. 3 is a longitudinal sectional view (assembled state) of an embodiment of the present invention;

fig. 4 is a partial view (exploded state) of an embodiment of the present invention;

FIG. 5 is a partial view of an embodiment of the female socket of the circular magnetic chuck of the present invention (the male connector is a Type-C interface);

FIG. 6 is a partially exploded view of the female base of the circular magnetic suction head of the present invention (the male connector is a Type-C interface);

fig. 7 is a partial view of another embodiment of the female seat of the circular magnetic attraction head of the present invention (the male connector is a Lightning interface);

fig. 8 is a partially exploded view of an embodiment of the guideway magnet of the present invention (the male connector is a Type-C interface);

fig. 9 is a perspective view of another embodiment of the guiding rail magnet according to the present invention (in an assembled state, the male connector is a Lightning interface).

The attached drawings indicate the following:

10. protective housing main body 11 and accommodating cavity

111. Inner side wall 111a, avoiding concave position

112. Through hole 113, reinforcing sheet

113a, connecting hole 12 and protective frame

121. Volume key cavity 122 and power switch cavity

123. Rope hanging hole 124 and air bag

125. External electrical interface 13, cover plate

131. Slotted 132, extended function mounting cavity

14. Hole 20, pressure holding part

21. Threaded hole 22, convex column

23. Limiting step 30 and screw

31. Screw cap part 32, screw rod part

40. Male connector 41, plug section

42. A limiting part 50 and a female seat.

Detailed Description

Fig. 1 to 9 show specific structures of embodiments of the present invention.

A mobile phone protection shell with a connector fixed by screws comprises a protection shell main body 10 with an accommodating cavity 11, wherein a male connector 40 is arranged on the inner side wall 111 of the accommodating cavity 11 of the protection shell main body 10; wherein: the male connector 40 is provided with an insertion section 41 and a limiting part 42 which is connected with the tail end of the insertion section 41 and is convexly arranged on the outer side of the insertion section 41; a pressing part 20 is also arranged, and the pressing part 20 is provided with a threaded hole 21; the protective shell main body 10 is provided with a through hole 112 penetrating through the inner side wall 111 of the accommodating cavity 11; the threaded holes 21 and the through holes 112 are correspondingly arranged, and the pressing portion 20 acts on the limiting portion 42 to press the male connector 40 on the inner side wall 111 of the accommodating cavity 11, and is locked in the corresponding threaded hole 21 through the through hole 112 by the screw 30, so as to achieve fixing. This kind of fixed knot constructs is applicable to the male connector 40 of different grade Type, male connector 40 can be for Type-C interface or Lightning interface or Micro-USB interface etc. and the commonality is higher, and compatibility is stronger, and simultaneously, screw 30 and the lock solid of pressing portion 20 have improved the steadiness of installing of male connector 40 and cell-phone protective housing 10.

Preferably, the pressing part 20 is an annular pressing frame, and the limiting part 42 is convexly arranged at any one, two, three or four positions of the upper side, the lower side, the left side and the right side outside the inserting section 41; during assembly, the insertion section 41 penetrates through the annular pressing frame, so that the annular pressing frame is pressed on the limiting part 42.

The inner side wall of the accommodating cavity 11 is provided with an avoiding concave position 111a, and the limiting part 42 and the pressing part 20 are sunk in the avoiding concave position 111 a. The inner side wall 111 of the accommodating cavity 11 is provided with a reinforcing plate 113 in an insert molding manner, the reinforcing plate 113 is provided with a connecting hole 113a communicated with the through hole 112, and the screw 30 passes through the connecting hole 113a and is locked in the corresponding threaded hole 21. Through the arrangement of the reinforcing plate 113, the locking force of the screw 30 is effectively improved. The nut part 31 of the screw 30 is abutted against the outer side of the reinforcing sheet 113, and the screw rod part 32 of the screw 30 passes through the connecting hole 113a and extends into the threaded hole 21; the pressing part 20 is provided with a convex column 22 protruding towards the inner side wall 111 of the accommodating cavity 11, the threaded hole 21 passes through the convex column 22, and the convex column 22 is pressed against the inner side of the reinforcing plate 113; thus, the screw 30 and the pressure holding portion 20 are positioned with respect to the reinforcing piece 113 on the opposite sides, and the positioning reliability is excellent.

The outer surface of the protective case body 10 is provided with an external electrical interface 125 electrically connected to the male connector 40. Preferably, the external electrical interface 125 is a magnetic interface. An electricity storage and charging unit is arranged in the protective shell main body 10, and the male connector 40 is also electrically connected to the electricity storage and charging unit. Or, a wireless charging receiving unit is arranged in the protective shell main body 10, and the male connector 40 is further electrically connected to the wireless charging receiving unit.

Next, a structure of a mobile phone protection case is described in detail, and in actual design, the structure is not limited to the specific structure:

generally, the protective case body 10 includes a protective frame 12 for surrounding the edge of the mobile phone, a cover 13 for protecting the back of the mobile phone, and a hole 14. A mobile phone accommodating cavity 11 is formed between the protective frame 12 and the cover plate 13, and the inner side wall 111 is arranged on the inner side of the protective frame 12.

The protective frame 12 has: volume key cavity 121, power switch cavity 122, lanyard hole 123, air bag 124 and external electrical interface 125. The external electrical interface 125 is disposed at the bottom middle of the protective bezel 12. As shown in fig. 2, the four curved inward and outward bulges of the protective frame 12 are air bags 124. The edge all around to the inboard of this guard circle 12 is connected in the apron 13 of cell-phone back protection, and the centre is provided with rectangular form hole for fluting 131 in the bottom of apron 13 to, apron 13 back is provided with extended functionality installation cavity 132. The extended function installation cavity 132 may place an electric storage charging unit or a wireless charging receiving unit. The slot 131 can connect the male flexible circuit board of the male connector 40 with the extended function mounting cavity 132 for corresponding function extension. The top of the cover plate 13 is provided with a hole 14, and the size of the hole 14 is matched with the camera part of the mobile phone.

The through holes 112 are provided on both sides of the middle portion of the bottom of the protective frame 12 of the protective case main body 10, the press holding portions 20, which are annular press frames, are provided inside the protective case main body 10 and are perpendicular to the cover plate 13, the escape concave portion 111a is provided in the middle portion of the bottom of the protective frame 12, and the reinforcing piece 113 is provided in the middle portion of the bottom of the protective frame 12. As shown in fig. 4, the reinforcing plate 113 having a small rectangular structure is transversely disposed in the middle of the bottom of the protective frame 12, the reinforcing plate 113 and the cover plate 13 are perpendicular to each other, and the reinforcing plate 113 is molded by a plastic molding device such as an injection molding machine and is embedded in the protective frame 12. The left and right sides of the middle position of the reinforcing plate 113 are respectively provided with a round hole which is a connecting hole 113 a. The diameter of the connecting hole 113a is matched with the diameter of the screw 30. The left and right sides of the inner and outer sides of the middle portion of the bottom of the protective frame 12 of the protective case body 10 are respectively provided with circular holes, which are the through holes 112. The left through holes 112 at the inner and outer sides coincide with the left connecting holes 113a embedded in the protective case main body 10, and correspondingly, the right through holes 112 at the inner and outer sides coincide with the right connecting holes 113a embedded in the protective case main body 10.

As shown in fig. 4, the middle of the bottom of the protection frame 12 is recessed toward the bottom, and a rounded rectangular step is integrally formed to avoid the recessed portion 111 a. The pressing part 20 is disposed inside the protective casing body 10 and perpendicular to the cover plate 13, and a round rectangular step is integrally formed around the middle of the annular pressing frame structure of the pressing part 20 as a limiting step 23. The left and right sides of the lower side of the pressing part 20 are respectively provided with a cylindrical protrusion structure, which is a convex column 22. The middle of the convex column 22 is integrally sunken inwards to form a small circular hole with internal threads, which is a threaded hole 21 of the pressing part 20. The diameter of the threaded hole 21 is matched with that of the screw 30.

During assembly, the plug section 41 of the male connector 40 passes through the lower side of the pressing part 20, and the limiting step 23 is engaged with the peripheral edge of the limiting part 42 of the male connector 40 for positioning, so as to complete the primary assembly of the male connector 40 and the pressing part 20. The lower side of the pressing and holding part 20 provided with the male connector 40 is oppositely jointed with an avoiding concave position 111a in the middle of the bottom of the protective frame 12, a round rectangular step of the avoiding concave position 111a presses and holds the pressing and holding part 20 for positioning, convex columns 22 on the left side and the right side of the lower side of the pressing and holding part 20 press and hold and position the avoiding concave position 111a on the inner side of the bottom of the protective frame 12, and the hole positions of threaded holes 21 on the left side and the right side, a through hole 112 on the inner side of the bottom of the protective frame 12, a connecting hole 113a on a reinforcing sheet 113 and a through hole 112 on the outer side of the bottom of the protective frame 12 are aligned. Then, the two screws 30 sequentially pass through the through hole 112 and the connecting hole 113a on the outer side of the bottom of the protection frame 12, the through hole 112 and the threaded hole 21 on the inner side of the bottom of the protection frame 12 from the outer side to the inner side of the protection frame 12, and the screws 30 are rotated until the external threads of the screw rod portion 32 are engaged with the internal threads of the threaded hole 21, so as to limit and lock the male connector 40.

As shown in fig. 5 to 6, the concrete structure of the embodiment of the present invention in which the male connector 40 is a Type-C interface and the female socket 50 is a magnetic attraction head is shown. The female seat 50 that is circular is magnetic suction head, and female seat 50 meets with female seat flexible circuit board, and female seat 50 data line connection end exposes in the outside of protective frame 12, sets up in the outside electrical property interface 125 of protective frame 12 bottom outside, and the female seat 50 data connection end surface of circular magnetic suction head is level and smooth mutually with protective frame 12 bottom surface. The female circular magnetic tip holder 50 may be fused to the external electrical interface 125 of the protective rim 12 using hot melt adhesive techniques. During the assembly, the pressing portion 20 is assembled with the Type-C male connector 40, the pressing portion 20 is placed in the avoiding concave position 111a in the middle of the bottom of the protective frame 12, and finally, the two screws 30 are correspondingly limited and locked. The protection shell main body 10 with the pressing portion 20 installed is taken out, the hole 14 of the protection shell main body 10 is placed upwards, the charging jack of the mobile phone is connected with the Type-C male connector 40 of the protection shell main body 10, and the protection shell main body 10 is attached to the back and the edge of the mobile phone all around. When charging, the magnetic charging data line is magnetically attracted to the circular magnetic suction head female seat 50 at the bottom of the protective frame 12.

Although the male connector of the embodiment of the present invention is a Type-C interface in fig. 5 to 6, the male connector may be a Lightning interface, as shown in fig. 7. Moreover, the male connector can also adopt interfaces such as Micro-USB and the like.

As shown in fig. 8, it shows that the utility model discloses a male connector is the specific structure of Type-C interface, and female seat is the specific structure of Type-C guide rail magnet's embodiment, and it is basically the same with the structure of the former embodiment, and the main difference lies in: the female seat adopts a guide rail magnet structure, and the details are not repeated herein.

As shown in fig. 9, in the embodiment of the present invention, the male connector is a Lightning interface, and the female seat is a Lightning guide magnet. Moreover, if the male connector adopts interfaces such as Micro-USB and the like, the female seat can also adopt a guide rail magnet which is matched with the female connector.

In the embodiments of the present disclosure, the mobile phone protecting shell of the Type-C interface and the Lightning interface is taken as an example of the mobile phone protecting shell of the screw-fixed connector.

In addition, the cell-phone protective housing of screw fixed connector if be used for the precious structure of back splint formula of charging, does.

Moreover, the mobile phone protection shell of the screw fixed connector can be used for a docking station of intelligent electronic equipment such as a mobile phone.

The utility model discloses a design is important to be in, and it is mainly with the help of pressing the portion of holding and acts on spacing portion in order to locate the inside wall in holding chamber with the male connector pressure to pass the through-hole lock of cell-phone protective housing through the screw and firmly in corresponding threaded hole, reach fixedly. The mobile phone shell is suitable for different types of male connectors, the universality is higher, the compatibility is stronger, and meanwhile, the screws and the pressing and holding parts are locked, so that the mounting stability of the male connector and the mobile phone shell is improved;

secondly, through the setting of reinforcing piece, effectively improved the locking dynamics of screw, further promoted the installation steadiness of public head connector and cell-phone protective housing, especially, the nut portion of screw supports in the outside of reinforcing piece, the projection supports in the inboard of reinforcing piece, is equivalent to screw and pressure portion all use the reinforcing piece as the location benchmark in the opposite side, and location reliability is good.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a screw fixed connector's cell-phone protective housing which characterized in that: the protective shell comprises a protective shell main body with an accommodating cavity, wherein a male connector is arranged on the inner side wall of the accommodating cavity of the protective shell main body; wherein:

the male connector is provided with an insertion section and a limiting part which is connected to the tail end of the insertion section and is convexly arranged on the outer side of the insertion section; the pressing and holding part is also arranged and is provided with a threaded hole; the protective shell main body is provided with a through hole penetrating through the inner side wall of the accommodating cavity; the threaded hole and the through hole are correspondingly arranged, the pressing and holding portion acts on the limiting portion to press the male connector on the inner side wall of the containing cavity, and the male connector passes through the through hole through a screw to be locked in the corresponding threaded hole, so that fixing is achieved.

2. The mobile phone protective case of the screw fixing connector as claimed in claim 1, wherein: the pressing and holding part is an annular pressing frame, and the limiting part is convexly arranged at any one, any two, any three or four positions of the upper side, the lower side, the left side and the right side outside the inserting section; the inserting section penetrates through the annular pressing frame, so that the annular pressing frame is pressed on the limiting part.

3. The mobile phone protective case of the screw fixing connector as claimed in claim 1, wherein: the inner side wall of the containing cavity is provided with an avoiding concave position, and the limiting part and the pressing part are arranged in the avoiding concave position in an immersed mode.

4. A mobile phone protective case with a screw fixed connector according to claim 1 or 3, wherein: the inner side wall of the accommodating cavity is embedded and formed with a reinforcing sheet, the reinforcing sheet is provided with a connecting hole communicated with the through hole, and the screw penetrates through the connecting hole and is locked in the corresponding threaded hole.

5. The mobile phone protective case of the screw fixing connector as claimed in claim 4, wherein: the screw cap portion of the screw abuts against the outer side of the reinforcing sheet, and the screw rod portion of the screw penetrates through the connecting hole and extends into the threaded hole.

6. The mobile phone protective case of the screw fixing connector as claimed in claim 4, wherein: the pressing part is convexly provided with a convex column towards the inner side wall of the accommodating cavity, the threaded hole penetrates through the convex column, and the convex column is abutted against the inner side of the reinforcing sheet.

7. The mobile phone protective case of the screw fixing connector as claimed in claim 1, wherein: the surface of protective housing main part is provided with the outside electrical property interface of electricity connection male connector.

8. The mobile phone protective case of the screw fixing connector as claimed in claim 7, wherein: the external electrical interface is a magnetic suction interface.

9. The mobile phone protective case of the screw fixing connector as claimed in claim 1, wherein: the male connector is a Type-C interface or a Lightning interface or a Micro-USB interface.

10. The mobile phone protecting case with screw fixed connector according to claim 1 or 7, wherein: the protective shell main body is internally provided with an electricity storage charging unit, and the male connector is also electrically connected with the electricity storage charging unit;

or, be provided with wireless receiving element that fills in the protective housing main part, male connector still electric connection fills receiving element in wireless.