A mobile phone protective case with thermal printing

Abstract

A mobile phone protective case with thermal printing, comprising a mobile phone protective cover, a first handle, a second handle, a battery and a telescopic lens, the mobile phone protective cover is connected with the mobile phone cover, the telescopic lens is arranged on the mobile phone protective cover to adjust the focal length, the first handle, the second handle and the battery are installed on the back of the mobile phone protective cover, the first handle and the second handle are distributed on both sides of the battery, the first handle and the second handle are respectively provided with a micro thermal printer and a printing paper, both sides of the battery are provided with charging contacts, the side surfaces of the first handle and the second handle are provided with handle contacts corresponding to the positions of the charging contacts, the handle contacts are connected with the micro thermal printer, and the battery is charged for the micro thermal printer through the contact of the charging contacts and the handle contacts, the mobile phone protective case with thermal printing can print through thermal paper, adjust the focal length, be portable and practical.

Description

Technical Field

[0001] This utility model relates to the field of mobile phone case technology, specifically to a mobile phone protective case with thermal printing. Background Technology

[0002] Phone cases are worn on the outside of a phone and are integrated with it. Their primary function is to protect the phone from external damage. Specifically, they prevent scratches on the screen and body from hard objects, reduce damage from accidental drops, and thus extend the phone's lifespan. In addition, phone cases have many extended functions, such as serving as phone stands. However, currently available phone cases do not directly integrate printing functionality, making it impossible to print photos on the spot. Furthermore, printers are not easily portable, and their charging cables are numerous and messy. Therefore, there is an urgent need for a phone case with thermal printing capabilities to solve these problems. Utility Model Content

[0003] In view of this, a portable and practical mobile phone case that can be printed on thermal paper, has an adjustable focus, and is portable is provided.

[0004] A mobile phone case with thermal printing includes a phone cover, a first handle, a second handle, a battery, and a retractable lens. The phone cover fits over the phone. The retractable lens is provided on the phone cover to adjust the focal length. The first handle, the second handle, and the battery are installed on the back of the phone cover. The first handle and the second handle are located on both sides of the battery. Each of the first handle and the second handle has a built-in miniature thermal printer and printing paper. The battery has charging contacts on both sides. The sides of the first handle and the second handle have handle contacts corresponding to the positions of the charging contacts. The handle contacts are connected to the miniature thermal printer. The battery charges the miniature thermal printer by contacting the charging contacts and the handle contacts.

[0005] Furthermore, the battery is located at the center of the back of the phone case, and the first handle and the second handle are symmetrically distributed along the center line of the battery. The first handle and the second handle are each provided with a paper printing outlet on their side away from the battery.

[0006] Furthermore, the first handle, the second handle, and the battery are detachably attached to the back of the phone case using Velcro.

[0007] Furthermore, the miniature thermal printer has a built-in wireless network card, enabling it to connect to a mobile phone via WIFI. The miniature thermal printer also has a built-in Bluetooth module, supporting Bluetooth connection with a mobile phone.

[0008] Furthermore, the phone case has a camera through-hole corresponding to the position of the phone's camera. The camera through-hole is used to avoid the phone's camera. The retractable lens is aligned with and fixed to the camera through-hole.

[0009] Furthermore, a lens through-hole is provided on the first handle for a retractable lens to pass through.

[0010] Furthermore, a zoom ring is provided on the outside of the retractable lens. Manually rotating the zoom ring causes the retractable lens to extend or retract, thereby changing the focal length.

[0011] Furthermore, the first handle, the second handle, and the phone case all have an arc-shaped outer edge that is concave towards the center of the phone. The first handle protrudes from the side of the phone case closest to the phone's camera, and the second handle protrudes from the side of the phone case furthest from the phone's camera. The corners of the arc-shaped outer edge are protruding, which is beneficial for the user to grip.

[0012] Furthermore, the arc-shaped outer edges of the first and second handles protrude at least two finger joints beyond the width of the phone case.

[0013] Furthermore, the battery has a USB interface that can be used to power the battery connector.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects: First, this type of phone case with thermal printing features a first handle and a second handle on the phone case. Each of the first and second handles has a built-in miniature thermal printer and printing paper, allowing photos taken by the phone to be printed from the printing paper outlet on the side of the handle. Compared with traditional phone cases, this phone case uses a miniature thermal printer, which adds printing functionality, expands the applicable scenarios, and has a wider range of applications. Moreover, the miniature thermal printer is small in size and integrated into the handle. The handle is then attached to the phone case with Velcro, making it easy to carry and use.

[0015] Secondly, this type of mobile phone case with thermal printing has charging contacts and handle contacts. The handle contacts are connected to the mini thermal printer, and the battery charges the mini thermal printer by contacting the charging contacts and handle contacts, eliminating the need to worry about the tangling and tidying up of traditional printer power cords.

[0016] Third, this type of phone case with thermal printing features a retractable lens. The focal length can be adjusted by manually rotating the zoom ring on the retractable lens, resulting in clearer images for macro and long-distance photography. Attached Figure Description

[0017] Figure 1This is a three-dimensional schematic diagram of a mobile phone protective case with thermal printing according to an embodiment of the present invention.

[0018] Figure 2 This is a perspective view of another direction of a mobile phone protective case with thermal printing according to an embodiment of this utility model. Figure 3 This is an exploded view of a mobile phone protective case with thermal printing according to an embodiment of the present invention.

[0019] 1. Phone case; 2. First handle; 3. Second handle; 4. Battery; 5. Retractable lens; 6. Phone; 7. USB port; 8. Printing paper; 9. Charging contacts; 10. Handle contacts; 11. Printing paper outlet; 12. Velcro; 13. Camera through-hole; 14. Zoom ring; 15. Curved outer edge. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1 to 3 This illustration shows a mobile phone protective case with thermal printing according to an embodiment of the present invention. It includes a mobile phone case 1, a first handle 2, a second handle 3, a battery 4, and a retractable lens 5. The mobile phone case 1 is fitted onto a mobile phone 6. The retractable lens 5 is provided on the mobile phone case 1 to adjust the focal length. The first handle 2, the second handle 3, and the battery 4 are installed on the back of the mobile phone case 1. The first handle 2 and the second handle 3 are distributed on both sides of the battery 4. Each of the first handle 2 and the second handle 3 has a built-in miniature thermal printer and printing paper 8. The battery 4 has charging contacts 9 on both sides. Handle contacts 10 are provided on the sides of the first handle 2 and the second handle 3 corresponding to the positions of the charging contacts 9. The handle contacts 10 are connected to the miniature thermal printer. The battery 4 charges the miniature thermal printer through contact between the charging contacts 9 and the handle contacts 10.

[0022] Specifically, the battery 4 is located at the center of the back of the mobile phone case 1, the first handle 2 and the second handle 3 are symmetrically distributed along the center line of the battery 4, and the first handle 2 and the second handle 3 are respectively provided with a paper printing outlet 11 on the side away from the battery 4. More specifically, the paper 8 is thermal paper.

[0023] In some specific embodiments, the mobile phone case with thermal printing can be used by children to take pictures of their homework or make a notebook of wrong answers. Copying questions is not only not helpful in improving academic performance, but also a waste of study time. By combining a miniature thermal printer with the mobile phone case 1, the questions can be photographed on the spot by the mobile phone 6 and then printed out, saving time and improving learning efficiency. Users can also use this mobile phone case with thermal printing as a high-definition camera. By setting a retractable lens 5 on the mobile phone case 1 and a zoom ring 14 on the retractable lens 5, the focal length can be dynamically adjusted by rotating the zoom ring 14 during shooting, making both macro and long-distance shooting clearer.

[0024] Specifically, the first handle 2, the second handle 3, and the battery 4 are detachably attached to the back of the phone case 1 via Velcro 12.

[0025] Specifically, the miniature thermal printer has a built-in wireless network card, which can connect to the mobile phone 6 via WIFI. The miniature thermal printer also has a built-in Bluetooth module, which can support Bluetooth connection with the mobile phone 6.

[0026] In some specific embodiments, the two miniature thermal printers installed in the first handle 2 and the second handle 3 can communicate with each other in addition to connecting to the mobile phone 6 via WIFI or Bluetooth. When one of the printers is out of paper 8, it can automatically print on the other printer that has paper. The miniature thermal printer has a built-in printer battery. When printing is needed, the first handle 2 or the second handle 3 can be detached and placed on the table for printing.

[0027] Specifically, the mobile phone protective case 1 is provided with a camera through hole 13 corresponding to the position of the camera of the mobile phone 6. The camera through hole 13 is used to avoid the camera of the mobile phone 6. The retractable lens 5 is aligned and fixed with the camera through hole 13.

[0028] Specifically, the first handle 2 is provided with a lens through hole for the retractable lens 5 to pass through.

[0029] Specifically, a zoom ring 14 is provided on the outside of the retractable lens 5. The zoom ring 14 is manually rotated to make the retractable lens 5 extend or retract, thereby changing the focal length.

[0030] Specifically, the first handle 2, the second handle 3, and the phone case 1 all have an arc-shaped outer edge 15 that is concave towards the center of the phone. The first handle 2 protrudes from the side of the phone case 1 that is close to the camera of the phone 6, and the second handle 3 protrudes from the side of the phone case 1 that is away from the camera of the phone 6. The corners of the arc-shaped outer edge 15 are protruding, which is beneficial for the user to grip.

[0031] More specifically, the arc-shaped outer edges 15 of the first handle 2 and the second handle 3 protrude at least two finger joints beyond the width of the phone case 1.

[0032] Specifically, the battery 4 has a USB interface 7, which can be used to supply power to the battery 4 via a wire.

[0033] In some specific embodiments, the mobile phone case 1 also has a built-in battery and wireless charging module, and an external charging interface. The mobile phone case 1 can wirelessly power the mobile phone 6 and the battery 4. The charging interface is connected to the USB interface 7 via a charging cable, and can also provide wired power to the battery 4. The battery 4 has a built-in wireless charging module and also has a wireless charging function, which can wirelessly charge or discharge external electronic devices.

[0034] In summary, this type of phone case with thermal printing features a first handle 2 and a second handle 3 on the phone case 1. Each handle 2 and 3 houses a miniature thermal printer and printing paper 8, allowing photos taken with the phone to be printed from the paper outlet 11 on the side of the handle. Compared to traditional phone cases, this phone case adds printing functionality using a miniature thermal printer, expanding its applicability and making it more versatile. The miniature thermal printer is small and integrated into the handle, which is then attached to the phone case 1 via Velcro 12, making it easy to carry and use. The phone case also features charging contacts 9 and handle contacts 10, with the handle contacts 10 connecting to the miniature thermal printer. The battery 4 charges the printer through these contacts, eliminating the need for tangled and unmanageable power cords like with traditional printers. Furthermore, the phone case 1 features a retractable lens 5, whose focal length can be adjusted by manually rotating the zoom ring 14, resulting in clearer images for macro and long-distance photography.

[0035] It should be noted that this utility model is not limited to the above-described embodiments. Based on the inventive spirit of this utility model, those skilled in the art can make other changes, and these changes made based on the inventive spirit of this utility model should be included within the scope of protection claimed by this utility model.

Claims

1. A mobile phone protective case with thermal printing, characterized in that, The device includes a phone case, a first handle, a second handle, a battery, and a retractable lens. The phone case fits over the phone and has a retractable lens for adjusting focus. The first handle, second handle, and battery are mounted on the back of the phone case, with the first and second handles positioned on either side of the battery. Each of the first and second handles contains a built-in miniature thermal printer and printing paper. The battery has charging contacts on both sides, and handle contacts on the sides of the first and second handles corresponding to these charging contacts. These handle contacts connect to the miniature thermal printer, and the battery charges the miniature thermal printer through contact between the charging contacts and the handle contacts.

2. A mobile phone cover with thermal printing as claimed in claim 1, wherein, The battery is located at the center of the back of the phone case. The first handle and the second handle are symmetrically distributed along the center line of the battery. The first handle and the second handle are respectively provided with a paper printing outlet on the side away from the battery.

3. A mobile phone cover with thermal printing as claimed in claim 1, wherein, The first handle, the second handle, and the battery are detachably attached to the back of the phone case using Velcro.

4. A mobile phone cover with thermal printing as claimed in claim 1, wherein, The miniature thermal printer has a built-in wireless network card, which can connect to a mobile phone via WIFI. The miniature thermal printer also has a built-in Bluetooth module, which can support Bluetooth connection with mobile phones.

5. A mobile phone cover with thermal printing as claimed in claim 1, wherein, The phone case has a camera through-hole corresponding to the position of the phone's camera. The camera through-hole is used to avoid obstructing the phone's camera. The retractable lens is aligned with and fixed to the camera through-hole.

6. A mobile phone protective case with thermal printing as claimed in claim 1, wherein, The first handle is provided with a lens through hole for a retractable lens to pass through.

7. A mobile phone protective case with thermal printing as claimed in claim 1, wherein, The retractable lens has a zoom ring on its outside. Manually rotating the zoom ring causes the retractable lens to extend or retract, thereby changing the focal length.

8. A mobile phone protective case with thermal printing as claimed in claim 1, wherein, The first handle, the second handle, and the phone case all have an arc-shaped outer edge that is concave towards the center of the phone. The first handle protrudes from the side of the phone case closest to the phone's camera, and the second handle protrudes from the side of the phone case furthest from the phone's camera. The corners of the arc-shaped outer edge are protruding, which is beneficial for the user to grip.

9. A mobile phone cover with thermal printing as claimed in claim 8, wherein, The arc-shaped outer edges of the first and second handles protrude at least two finger joints beyond the width of the phone case.

10. A mobile phone protective case with thermal printing as claimed in claim 1, wherein, The battery has a USB interface, which can be used to power the battery via a wire.

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