WO2015180279A1

WO2015180279A1 - Rotating-shaft mobile telephone protective case with keyboard

Info

Publication number: WO2015180279A1
Application number: PCT/CN2014/085547
Authority: WO
Inventors: 袁建平
Original assignee: 袁建平
Priority date: 2014-05-27
Filing date: 2014-08-29
Publication date: 2015-12-03
Also published as: WO2015180183A1; CN204206237U

Abstract

The rotating-shaft mobile telephone protective case with keyboard of the present utility model comprises a mobile telephone back case, a mobile telephone placement groove being formed on the bottom surface of the mobile telephone back case; a keyboard input device; and also provided with a rotating shaft, arranged near to one side of the keyboard input device and being fixedly connected to the keyboard input device; and a clamping sleeve apparatus, said clamping sleeve apparatus being fixedly connected to one side of the mobile telephone placement groove; the rotating shaft is suitable for nesting tightly within the clamping sleeve apparatus, and rotates axially relative to the clamping sleeve apparatus. By means of snap-fitting the rotating axis into a recessed groove, the mobile telephone protective case of the present utility model not only integrally connects the mobile telephone back case and the keyboard input device, and is convenient to carry, but also the mobile telephone back case can be parked at a certain angle relative to the keyboard input device, such that the keyboard can still be conveniently operated without a flat resting place, and the demands of different viewing angles can be met by means of freely adapting the angle of the mobile telephone screen.

Description

Rotary type mobile phone protection case with keyboard

Technical field

The utility model relates to the field of electronic accessories, in particular to a rotary shaft type mobile phone protection shell.

Background technique

Smartphones are easy to use because of their versatility, which brings great convenience to people's work and life. Smartphones usually have a built-in software keyboard. Compared to traditional physical keyboards, the use of software keyboards increases the utilization of the body area and saves a lot of space for setting up the phone screen. However, the built-in software keyboard of this mobile phone has the drawback that the input speed is usually low when people touch the screen by hand. Especially with the powerful function of the smart phone, when the large text editing function such as word document is performed, the input mode of the software keyboard brings great inconvenience.

In order to solve the problem of inconvenient operation of the software keyboard, those skilled in the art have developed an additional keyboard for text input in the prior art. For example, Chinese patent document CN203414881U discloses an input device that can be connected to a tablet or a mobile phone through a flexible hinge. The input device is provided with a pressure sensitive keyboard, and the pressure sensitive key on the keyboard comprises a flexible contact layer (such as a polyester film). And a sensor substrate disposed under the flexible spacer layer, a force sensitive ink disposed on a side of the flexible contact layer facing the sensor, the flexible contact layer and the sensor substrate being separated by a spacer. The flexible contact layer does not contact the sensor substrate when the flexible contact layer is not subjected to external pressure; and the sensor substrate is in contact with the force sensitive ink of the flexible contact layer when the operator performs a button operation. Form an analog signal.

The input device in the above technology needs to be connected to the mobile phone through a flexible hinge. In addition, in order to further improve the portability of the device, the additional keyboard in the prior art can also be directly disposed on the mobile phone mobile phone slot, such as a Chinese patent. Document CN201985971U discloses a mobile phone holster with a Bluetooth button, the mobile phone holster includes upper and lower flaps connected to the opening and closing; the upper flap is provided with an embedded fitting embedded with the mobile phone, on the lower flap, from the top The Bluetooth keypad and the circuit board are installed layer by layer. The circuit board is integrated with a Bluetooth communication circuit chip, a keyboard circuit, a built-in antenna and a power supply circuit. In the literature The button is directly placed on the holster of the mobile phone, which can provide certain protection functions for the mobile phone, and can improve the speed and efficiency of the command input to a certain extent.

The above-mentioned prior art input device improves the operability and portability of the mobile phone keyboard to a certain extent, but it still has the disadvantage that it does not reach the daily needs of the customer who is beautiful and easy to carry, and the mobile phone screen and keyboard It can only be placed on a flat surface and cannot be fixed within a certain angle. It is not convenient to operate when there is no plane to hold the mobile phone. The practicality of the portable keyboard structure of the mobile phone is not very high, so how to provide a user-friendly operation and easy operation. Mobile phone input devices are an unsolved problem in the prior art.

Utility model content

The utility model solves the problem that the additional keyboard of the prior art has poor operability and is not convenient for quick input, thereby providing an easy-to-operate, beautiful and easy to carry hinged mobile phone protection casing with a keyboard.

The technical solution adopted by the utility model to solve the above technical problems is:

A hinged mobile phone protection case with a keyboard, comprising:

a back cover of the mobile phone, and a mobile phone slot is formed on a bottom surface of the back cover of the mobile phone;

Keyboard input device; also set with:

a rotating shaft disposed adjacent to a side of the keyboard input device and fixedly connected to the keyboard input device;

a ferrule device, the ferrule device is fixedly connected to one side of the mobile phone receiving slot; the rotating shaft is adapted to be tightly nested in the ferrule device, and is axially engaged with the ferrule device Relative rotation.

The keyboard input device is any one or more of a full keyboard, a nine-square grid keyboard and a game keyboard.

The ferrule device includes: two connecting members, the two connecting members are connected to one side of the mobile phone receiving slot, and the finite position grooves are respectively disposed on opposite sides of the two connecting members;

The rotating shaft includes: a fixing rod fixedly connected to one side of the keyboard input device;

Two connecting rods respectively connected to two sides of the fixing rod and coaxially disposed with the fixing rod, the two connecting rods being respectively nested in the two limiting grooves The diameter of the connecting rod is smaller than the diameter of the fixing rod, and the two connecting rods are made of an elastic material.

The rotating shaft includes: two fixing rods, and the two fixing rods are fixedly connected to one side of the keyboard device;

Two connecting rods respectively connected to opposite sides of the two fixing rods and coaxially disposed with the fixing rods, the two connecting rods being respectively nested in the two limits The position of the connecting rod is smaller than the diameter of the fixing rod, and the two connecting rods are made of an elastic material.

The two connecting rods are made of one or a mixture of two of PC plastic, ABS plastic.

The two connecting members are respectively connected to two corners of one side of the mobile phone receiving slot, wherein each of the connecting members comprises:

a transition surface disposed perpendicular to the bottom surface, the transition surface being a curved surface formed along a sidewall of the mobile phone slot;

a limiting surface, which is disposed in connection with the transition surface, and is perpendicular to the bottom surface and parallel to the sidewall of the mobile phone slot; the limiting groove is disposed on the limiting surface;

a cover plate is disposed between the transition surface and the limiting surface and parallel to the bottom surface, and the cover plate is connected to the side of the transition surface and the limiting surface away from the bottom surface, and penetrates the cover plate and The limiting surface is provided with a fastening groove, the fastening groove is connected with the limiting groove, and the opening width of the connection between the fastening groove and the limiting groove is smaller than the limiting groove The width.

The distance between the connecting rod and the keyboard input device is 0-1 mm larger than the distance between the limiting groove and the cover plate.

On each of the connecting rods, a letter groove is provided along the diameter direction of the connecting rod.

The keyboard input device includes a soft keyboard, a pot chip, a circuit board and a bottom plate which are sequentially disposed from top to bottom, wherein a bluetooth module and a charging circuit are disposed on the circuit board.

The soft keyboard is injection molded from a TPU or PU material.

Elastic protrusions are respectively disposed on opposite sides of the two connecting members and at a periphery of the limiting groove;

Elastic locking members are respectively disposed on both side sides of the fixing rod, and the elastic protrusions are adapted to be rotated to the elastic locking members and are in abutting connection with the elastic locking members.

The rotating shaft type mobile phone protection cover with a keyboard according to the present invention is fastened to the limit recess of the back cover of the mobile phone through the rotating shaft of the keyboard input device, and not only connects the mobile phone slot and the keyboard input device into one body. It is easy to carry, and the mobile phone slot can be parked at a certain angle with respect to the keyboard input device, so that the keyboard can be easily and conveniently operated without the plane being placed. By adjusting the angle of the screen of the mobile phone on the resting plane to further meet the different perspective requirements of the people, it is more convenient to operate;

The rotary shaft type mobile phone protection cover with a keyboard according to the present invention may be any one or more of a full keyboard, a nine-square grid keyboard and a game keyboard, because the keyboard input device is fastened by a rotating shaft In the limit recess of the back cover of the mobile phone, the keyboard input device is easy to install and disassemble on the back cover of the mobile phone, so different types of keyboard input devices can be conveniently exchanged and used.

The utility model relates to a rotating shaft type mobile phone protection case with a keyboard, wherein the keyboard input device comprises a soft keyboard, a pot piece, a circuit board and a bottom plate which are sequentially arranged from top to bottom; the utility model is in the soft A bump is formed under the button of the sexual keyboard and located at a center of the button. When the keyboard is used, the operator presses the button, and the bump on the button presses the metal dome on the pan. , thereby turning on the circuit and realizing the input of information. In this process, the bumps are described The combination of the pot and the piece realizes the input mode of the elastic keyboard. Compared with the pressure sensitive keyboard or the rigid contact key board in the prior art, the input mode of the utility model is more likely to be operated by the computer for a long time. Received by the person, so that the input speed can be effectively improved.

The rotary shaft type mobile phone protection cover with a keyboard according to the present invention has a keyboard surface formed by injection molding of TPU or PU material, and the soft surface of the keyboard not only scratches the screen of the mobile phone when contacting the surface of the screen of the mobile phone, but also It can protect the screen of the mobile phone.

The rotary shaft type mobile phone protection cover with a keyboard according to the present invention comprises a keyboard input device and a mobile phone back shell, and the keyboard input device and the mobile phone back shell are integrally arranged and matched in size, so that the keyboard is convenient to carry and beautiful; Furthermore, the keyboard input device of the present invention is light in design, thin and light in design, easy to carry, and does not affect the performance of the mobile phone.

DRAWINGS

1 is a structural view showing a mobile phone back cover and a keyboard input device in an open state of the mobile phone protective case according to Embodiment 1 of the present invention;

2 is a structural view showing a closed state of the protective cover of the mobile phone according to Embodiment 1 of the present invention;

3 is a structural view of a back cover of the mobile phone according to Embodiment 1 of the present invention;

4 is a structural diagram of a specific layered structure of a protective cover for a mobile phone according to Embodiment 1 of the present invention;

5 is a structural diagram of a keyboard input device according to Embodiment 1 of the present invention;

6 is a cross-sectional view of a back cover of a mobile phone provided with a recess according to Embodiment 2 of the present invention;

Figure 7 is a structural view of a nine-square grid keyboard in which the rotating shaft is a cylindrical rod according to Embodiment 2 of the present invention;

8 is a structural diagram showing a mobile phone back cover and a keyboard input device in an open state of the mobile phone protection case according to Embodiment 3 of the present invention;

Figure 9 is a structural view showing the closed state of the protective cover of the mobile phone according to Embodiment 3 of the present invention;

Figure 10 is a structural view of the back cover of the mobile phone according to Embodiment 3 of the present invention;

11 is a structural diagram of a specific layered structure of a protective cover for a mobile phone according to Embodiment 3 of the present invention;

12 is a structural diagram of a keyboard input device according to Embodiment 3 of the present invention;

Figure 13 is a structural diagram of a game keyboard provided with an elastic locking member according to the present invention;

Figure 14 is a structural view of the back cover of the mobile phone provided with the elastic protrusion according to the present invention;

Wherein, the reference numerals are:

1-Mobile phone slot; 11-slot edge; 12-stop groove; 13-fastening groove; 14-transition surface; 15-limit surface; 16-cover; 17-round groove; 18-ladder groove.

2-rotating shaft; 21-connecting rod; 22-fixing rod;

3-soft keyboard; 4-pot slice; 5-circuit board; 6-base plate; 7-decorative base plate;

9-elastic locking member; 91-first elastic locking lever; 92-second elastic locking lever; 10-elastic projection.

detailed description

Example 1

As shown in FIG. 1 , the hinged mobile phone protective cover with a keyboard according to the embodiment includes a mobile phone back shell and a keyboard input device, and a mobile phone placement slot 1 is formed on the bottom surface of the mobile phone back shell. As an alternative embodiment, the size of the mobile phone slot 1 can be the same as the size of the battery cover of the mobile phone, and the battery cover of the mobile phone can be removed and installed in the mobile phone slot 1 during use; The inner dimension of the slot 1 is set to coincide with the size of the outer casing of the mobile phone, and the mobile phone is placed directly in the mobile phone slot 1 . In the embodiment, the thickness of the groove edge 11 of the mobile phone receiving slot 1 is suitably 0.5 mm to 1.5 mm. Two connecting members are further connected to one side of the mobile phone receiving slot 1 . As a preferred embodiment, the two connecting members in the embodiment are respectively connected to two corners of one side of the mobile phone receiving slot 1 . As shown in FIG. 3, wherein each of the connectors comprises:

The transition surface 14 is disposed perpendicular to the bottom surface, and the transition surface 14 is a curved surface formed along a sidewall of the mobile phone receiving slot 1;

The limiting surface 15 is disposed in the connection with the transition surface 14 and is perpendicular to the bottom surface and parallel to the sidewall of the mobile phone receiving slot 1 . The limiting recess 12 is disposed on the limiting surface 15 . on;

a cover plate 16 is disposed between the transition surface 14 and the limiting surface 15 and parallel to the bottom surface, and the cover plate 16 is connected to the side of the transition surface 14 and the limiting surface 15 away from the bottom surface. A fastening groove 13 is disposed through the cover plate 16 and the limiting surface 15 , and the fastening groove 13 is disposed in communication with the limiting groove 12 , the fastening groove 13 and the limiting groove The opening width of the 12 joint is smaller than the width of the limiting groove 12. As an alternative embodiment, the connecting member in the embodiment may be disposed to be respectively connected with two parallel wall faces disposed on one side of the mobile phone receiving slot 1 , and a limiting recess is respectively disposed on the two wall surfaces. The slot 12 is sufficient.

The hinged mobile phone protection case with a keyboard according to the embodiment is fixedly connected with the keyboard input device, and is provided with a rotating shaft 2, and the rotating shaft 2 is disposed near one side of the keyboard input device. The rotating shaft 2 includes a fixing rod 22 and two connecting rods 21, wherein the fixing rod 22 is fixedly connected to one side of the keyboard input device, and the two connecting rods 21 and the fixing rod 22 respectively The two sides are connected and coaxial with the fixing rod 22, and the two connecting rods 21 are respectively nested in the two limiting grooves 12, and are adapted to be opposite to the connecting member in the axial direction. Rotation; the diameter of the connecting rod 21 is smaller than the diameter of the fixing rod 22.

In the embodiment, the two connecting rods 21 are made of an elastic material. As an alternative embodiment, the two connecting rods 21 may be made of one or a mixture of two kinds of PC plastic and ABS plastic. In order to further improve the expansion effect between the connecting rod 21 and the limiting groove 12, a groove is formed on each of the connecting rods 21 along the diameter direction of the connecting rod 21. In the embodiment, the connecting rod 21 is nested in the limiting groove 12 by using the elastic property of the material in the embodiment, and is suitable for the connection with the connecting rod 21 in the embodiment. The rod 21 is relatively rotated. As an alternative embodiment, the limiting groove 12 can be disposed as a circular groove having a diameter slightly smaller than the diameter of the connecting rod 21, and the diameter of the limiting groove 12 in this embodiment. It is smaller than the diameter of the connecting rod 21 by 0.1 mm; at the same time, the opening width of the fastening groove 13 is smaller than the diameter of the connecting rod 21 by 0.2-0.7 mm. In use, the connecting rod 21 can be slid into the limiting groove 12 via the fastening groove 13 . In order to prevent the connecting rod 21 from falling off from the fastening groove 13 again, the embodiment defines the fastening. The opening width at the junction of the groove 13 and the limiting groove 12 is smaller than the width of the limiting groove 12.

In order to facilitate the closing of the mobile phone back shell and the keyboard input device (as shown in FIG. 2 ), the distance between the connecting rod 21 and the keyboard input device is greater than the limiting recess 12 and the cover. The distance between the plates 16 is 0-1 mm, that is, the distance between the connecting rod 21 and the keyboard input device and the distance between the limiting groove 12 and the cover plate 16 are equal (0 mm). Or the distance between the connecting rod 21 and the keyboard input device is greater than the distance between the limiting groove 12 and the cover plate 16 by 1 mm or less.

In a preferred embodiment, the length of the connecting rod 21 in the embodiment may be set to be 1 mm to 5 mm, so that the rotating shaft 2 is not easy to slide out from the limiting groove 12, and material is saved and the cost is reduced.

The keyboard input device in the embodiment includes a soft keyboard 3, a pan 4, a circuit board 5 and a bottom plate 6 which are sequentially disposed from top to bottom. The soft keyboard is as shown in FIG. 4 and FIG. 3 Injection molding is carried out using a TPU or PU material of moderate hardness. This embodiment is preferably a PU material having a Shore hardness of 90 degrees. The keyboard input device of the embodiment is a full keyboard, and the characters and characters of each country can be printed on the keys of the soft keyboard 3, and a bump is disposed under the bottom of each button and located at a center of the button. The height of the point is 0.8mm. As a preferred embodiment, the height of the bumps may be set between 0.5 and 0.8 mm. The circuit board 5 is provided with a word key point corresponding to the soft keyboard 3 button, for example, five lines of 38 to 43 word key points are arranged. It includes a radio Bluetooth module and a charging circuit, as well as a rechargeable battery and a charging interface. These components are preferably mounted on the top and bottom of the circuit board 5. The upper surface of the circuit board 5 is kept flat to fit the pan 5 . As an alternative embodiment, under the circuit board 5, a bottom plate 6 is provided in connection with the circuit board 5. A micro switch can also be disposed on the circuit board 5.

In an optional implementation manner, the keyboard input device further includes a flexible connecting layer disposed on a lower surface of the flexible keyboard 3 and an upper surface of the dome 4, wherein the flexible connecting layer corresponds to each The positions of the bumps are provided with through holes suitable for the bumps to pass through. The through hole preferably coincides with the size of the button. Also as an alternative embodiment, the embodiment is also provided with a decorative bottom plate 7.

In the embodiment, the fixing rod 22 is fixedly disposed on the bottom surface of the keyboard input device, thereby achieving a fixed connection with the keyboard input device.

In the embodiment, the hinged mobile phone protection case with a keyboard is opened by the frictional force between the connecting rod 21 and the limiting groove 12, so that it can be opened relative to the keyboard input device. Parked after a certain angle. Generally, the rotation axis 2 is rotated until the mobile phone placement slot 1 and the back of the keyboard input device are in contact with each other. As an alternative embodiment, the mobile phone protection casing described in this embodiment may also be provided with a locking device. As shown in FIG. 13 and FIG. 14, the preferred locking device in this embodiment is: in the two connecting members Elastic protrusions 10 are respectively disposed on opposite sides of the limiting groove 12; and elastic locking members 9 are respectively disposed on both side surfaces of the fixing rod, and the elastic protrusions 10 are suitable for rotation To the elastic locking member 9 and in abutting connection with the elastic locking member. The elastic locking member is fixedly connected to the connecting rod 21 and the fixing rod 22, and the elastic locking rod is fixedly connected with each of the connecting rods, and two elastic locking rods are respectively provided for the first elasticity. a locking lever 91 and a second elastic locking lever 92; wherein the first elastic locking lever 91 is adapted to be in abutting connection with the elastic protrusion 10 when the mobile phone back shell and the keyboard input device are in a closed state; The two elastic locking levers 92 are adapted to be in abutting connection with the elastic protrusion 10 when the back cover of the mobile phone and the keyboard input device are in the maximum open state; the elastic locking member 9 and the elastic protrusion 10 are also preferably by the PC. A combination of one or a combination of plastic and ABS plastic, the friction between the back cover of the mobile phone and the keyboard input device is further increased when the two are in contact with each other, thereby forming a lock.

The method for attaching the hinged mobile phone protection case with a keyboard described in this embodiment is:

(1) The flexible connecting layer is pasted on the lower surface of the flexible keyboard 3, and then pasted on the upper surface of the pot piece 4, and the circuit board 5 is sequentially pasted under the pot piece 4. Then, the soft keyboard 3, the pot piece 4 and the circuit board 5 which are affixed together are placed in the grooves of the bottom plate 6;

(2) The decorative bottom plate 7 is attached to the lower side of the bottom plate 6. The mini USB port and the micro switch port are respectively left at the two ends of the bottom plate 6, the mini USB is used for charging and the micro switch is used for switching the keyboard power.

(3) The mobile phone slot 1 and the keyboard input device are installed in a relatively closed state, and the two connecting rods 21 of the rotating shaft 2 integrally formed with the bottom plate 6 are fastened to the limiting groove 12 through the fastening groove 13 Inside.

It should be noted that the “side surface of the mobile phone receiving slot 1” described in the present invention refers to a surface located on both sides of the groove side 11 connected to the two connecting members.

Example 2

The hinged mobile phone protection casing with a keyboard according to the embodiment includes a mobile phone back shell and a keyboard input device, and a mobile phone placement slot 1 is formed on a bottom surface of the mobile phone back shell. In the embodiment, the thickness of the groove edge 11 of the mobile phone receiving slot 1 is suitably 0.5 mm to 1.5 mm.

The card protection device of the embodiment is provided with a ferrule device. As shown in FIG. 6 , the ferrule device is fixedly connected to one side of the mobile phone slot 1; the ferrule device in this embodiment is configured. There is a groove, the groove is also formed on the bottom surface, the opening of the groove is elongated and the opening direction is consistent with the opening direction of the mobile phone slot; in this embodiment The groove includes a circular groove 17 having a circular cross section and a trapezoidal groove 18 having a trapezoidal cross section, the circular groove 17 and the trapezoidal groove 18 having the same length, and the trapezoidal groove 18 is disposed in the circle The outer side of the groove 17 is provided in communication with the circular groove 17, and the opening width of the connection between the trapezoidal groove 18 and the circular groove 17 is smaller than the diameter of the circular groove 17.

The hinged mobile phone protection case with a keyboard according to the embodiment is fixedly connected with the keyboard input device and provided with a rotating shaft 2, as shown in FIG. 7, the rotating shaft 2 is close to one of the keyboard input devices. In the embodiment, the rotating shaft 2 is a cylindrical rod of constant diameter, the length of the rotating shaft 2 is the same as the length of the groove, and the rotating shaft 2 is adapted to be nested in the The circular groove 17 is internally rotated in the axial direction with the ferrule device. In this embodiment, the rotating shaft 2 is made of an elastic material, and the rotating shaft 2 is in an expanded state in the circular groove 17. In the embodiment, the diameter of the circular groove 17 is larger than the rotating shaft. The diameter of 2 is 0.1 mm. As an alternative embodiment, the rotating shaft 2 may be made of one or a mixture of two of PC plastic, ABS plastic,

In the embodiment, the hinged mobile phone protection case with a keyboard is used, and the mobile phone placement slot 1 utilizes the frictional force between the rotating shaft 2 and the groove of the ferrule device to make it open relative to the keyboard input device. Parked after the angle. Generally, the rotation axis 2 is rotated until the mobile phone placement slot 1 and the back of the keyboard input device are in contact with each other.

The keyboard input device in the embodiment is a nine-square keyboard, including a soft keyboard 3, a pot 4, a circuit board 5 and a bottom plate 6 which are sequentially disposed from top to bottom, wherein the softness is as shown in FIG. The keyboard 3 is injection molded using a TPU or PU material of moderate hardness. This embodiment is preferably a PU material having a Shore hardness of 90 degrees. National characters and characters can be printed on the keys of the keyboard, under each button And a bump is disposed at a center of the button, and the height of the bump is 0.6 mm. As a preferred embodiment, the height of the bumps may be set between 0.5 and 0.8 mm. The circuit board 5 is provided with a word key point corresponding to the soft keyboard 3 button. It includes a radio Bluetooth module and a charging circuit, as well as a rechargeable battery and a charging interface. These components are preferably mounted on the top and bottom of the circuit board 5. The upper surface of the circuit board 5 is kept flat to fit the pan 5 . As an alternative embodiment, under the circuit board 5, a bottom plate 6 is provided in connection with the circuit board 5. A micro switch can also be disposed on the circuit board 5. The nine-square grid keyboard described in this embodiment is more suitable for a user group that is accustomed to the input of the nine-square grid but that is limited by the size of the virtual keyboard of the mobile phone and the user with poor touch.

In this embodiment, the rotating shaft is fixedly disposed on the bottom surface of the keyboard input device, thereby achieving a fixed connection with the keyboard input device.

(3) The mobile phone placement slot 1 and the keyboard input device are mounted in a relatively closed state, and the rotating shaft 2 integrally formed with the bottom plate 6 is fastened into the circular groove 17 through the trapezoidal groove 18.

Example 3

The hinged mobile phone protection casing with a keyboard according to the embodiment includes a mobile phone back shell and a game keyboard input device, and a mobile phone placement slot 1 is formed on a bottom surface of the mobile phone back shell. As shown in FIG. 10, the thickness of the groove side 11 of the mobile phone setting slot 1 in the embodiment is suitably 0.5 mm to 1.5 mm.

As a modification of the embodiment 1, in the hinge type mobile phone protection case with a keyboard according to the embodiment, the rotation shaft 2 in the embodiment includes two fixing rods 22 and two connecting rods 21, such as 8 , FIG. 9 , FIG. 11 , FIG. 12 , wherein the fixing rod 22 is fixedly connected to one side of the game handle, wherein the two fixing rods 22 are symmetrically and fixedly connected to one side of the game handle. The two connecting rods 21 are respectively connected to the opposite sides of the two fixing rods 22 and disposed coaxially with the fixing rod 22, and the two connecting rods 21 are respectively nested in the two limits The position of the connecting rod 21 is smaller than the diameter of the fixing rod 22.

In this embodiment, the keyboard input device is a game keyboard, that is, the game keyboard input device can be used as a game controller, and includes a soft keyboard 3, a pot piece 4, a circuit board 5, and a bottom plate 6 which are sequentially disposed from top to bottom, wherein As shown in FIG. 11, the flexible keyboard 3 is injection molded using a TPU or PU material of moderate hardness. This embodiment is preferably a PU material having a Shore hardness of 90 degrees. Characters and characters such as a direction key and a function key may be printed on the keys of the flexible keyboard 3, and a bump is disposed below the button and at a center of the button, and the height of the bump is 0.8mm. As a preferred embodiment, the height of the bumps may be set between 0.5 and 0.8 mm. The circuit board 5 is provided with a control button contact corresponding to the soft keyboard 3 button, the integrated chip module including all functions of the entire handle, the radio Bluetooth module and the charging circuit, and the rechargeable battery and the charging interface. These components are preferably mounted on the top and bottom of the circuit board 5. The upper surface of the circuit board 5 is kept flat to fit the pan 5 . As an alternative embodiment, under the circuit board 5, a bottom plate 6 is provided in connection with the circuit board 5. A micro switch can also be disposed on the circuit board 5.

In the embodiment, the two fixing rods 22 are symmetrically fixedly disposed on the bottom plate of the keyboard input device, thereby achieving a fixed connection with the keyboard input device.

It is apparent that the above-described embodiments are merely illustrative of the examples, and are not intended to limit the embodiments. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. The obvious changes or variations derived therefrom are still within the scope of protection created by the present invention.

Claims

A hinged mobile phone protection case with a keyboard, comprising:

a mobile phone back shell, formed on the bottom surface of the back cover of the mobile phone with a mobile phone slot (1);

Keyboard input device;

It is characterized in that it is further provided with:

a rotating shaft (2) disposed adjacent to a side of the keyboard input device and fixedly connected to the keyboard input device;

a ferrule device, the ferrule device is fixedly connected to one side of the mobile phone receiving slot (1); the rotating shaft (2) is adapted to be tightly nested in the ferrule device, and axially The ferrule device is relatively rotated.
The hinged mobile phone protection case with a keyboard according to claim 1, wherein the keyboard input device is any one or more of a full keyboard, a nine-square grid keyboard and a game keyboard.
The hinged mobile phone protection case with a keyboard according to claim 1, wherein the ferrule device comprises: two connecting members, and the two connecting members are arranged with the mobile phone slot (1) a connecting groove is provided on each of the opposite sides of the two connecting members, respectively;

The rotating shaft (2) includes:

a fixing rod (22), the fixing rod (22) is fixedly connected to one side of the keyboard input device;

Two connecting rods (21) respectively connected to two sides of the fixing rod (22) and coaxially arranged with the fixing rod (22), the two connecting rods ( 21) nested in the two limiting grooves (12) respectively; the diameter of the connecting rod (21) is smaller than the diameter of the fixing rod (22), and the two connecting rods (21) are elastic Made of materials.
The hinged mobile phone protection case with a keyboard according to claim 1, wherein the ferrule device comprises: two connecting members, and the two connecting members are arranged with the mobile phone slot (1) a connecting groove is provided on each of the opposite sides of the two connecting members, respectively;

The rotating shaft (2) includes:

Two fixing rods (22), the two fixing rods (22) being fixedly connected to one side of the game handle;

Two connecting rods (21) respectively connected to opposite sides of the two fixing rods (22) and coaxially arranged with the fixing rods (22), the two Connecting rods (21) are respectively nested in the two limiting grooves (12); the diameter of the connecting rod (21) is smaller than the diameter of the fixing rod (22), and the two connecting rods ( 21) Made of an elastic material.
The hinged mobile phone protective case with a keyboard according to claim 3 or 4, characterized in that the two connecting rods (21) are made of one or a mixture of two of PC plastic and ABS plastic.
The hinged mobile phone protection case with a keyboard according to claim 3 or 4, wherein the two connecting members are respectively connected to two corners of one side of the mobile phone receiving slot, wherein each of the connections The pieces include:

a transition surface (14) disposed perpendicular to the bottom surface, the transition surface (14) being a curved surface formed along a sidewall of the mobile phone placement slot (1);

The limiting surface (15) is disposed in connection with the transition surface (14) while being perpendicular to the bottom surface and parallel to the sidewall of the mobile phone receiving slot (1), the limiting recess (12) Provided on the limiting surface (15);

a cover plate (16) between the transition surface (14) and the limiting surface (15) and parallel to the bottom surface, the cover plate (16) and the transition surface (14) and the limiting surface ( 15) away from the side connection of the bottom surface, through the cover plate (16) and the limiting surface (15) is provided with a fastening groove (13), the fastening groove (13) and the limit The positional grooves (12) are connected to each other, and the opening width of the joint between the fastening groove (13) and the limiting groove (12) is smaller than the width of the limiting groove (12).
The hinged mobile phone protection case with a keyboard according to claim 3 or 4, wherein a distance between the connecting rod (21) and the keyboard input device is smaller than the limiting groove (12) The distance from the cover plate (16) is 0-1 mm.
A hinge type mobile phone protective case with a keyboard according to claim 3 or 4, characterized in that, on each of the connecting rods (21), a font is arranged along the diameter direction of the connecting rod (21) Groove.
The hinged type mobile phone protection case with a keyboard according to claim 1 or 2, wherein the keyboard input device comprises a soft keyboard (3) and a pot piece (4) which are sequentially pasted from the top to the bottom. a circuit board (5) and a backplane (6), wherein a Bluetooth module and a charging circuit are disposed on the circuit board (5).
The hinged mobile phone protection case with a keyboard according to claim 9, wherein the flexible keyboard (3) is injection molded from a TPU or PU material.
The hinged mobile phone protection case with a keyboard according to claim 3 or 4, wherein the opposite sides of the two connecting members and the outer periphery of the limiting recess (12) are respectively provided with Elastic protrusion (10);

Elastic locking members (9) are respectively disposed on both side sides of the fixing rod, and the elastic protrusions (10) are adapted to be rotated to the elastic locking members (9) and are in contact with the elastic locking members. .