Detachable mobile phone shell with dustproof structure

Abstract

The utility model discloses a detachable mobile phone shell with a dustproof structure, which relates to the technical field of mobile phone accessories and comprises an upper shell and a lower shell which are butted with each other. The adjusting assembly is arranged between the upper shell and the lower shell; the adjusting assembly comprises a sliding pin which is installed in the upper shell in a sliding mode, and the sliding pin corresponds to a butt joint hook outside the lower shell. According to the detachable mobile phone shell with the dustproof structure, the sliding pin capable of sliding in the upper shell corresponds to the butt-joint hook on the lower shell, the upper shell and the lower shell are connected together in a mode that the sliding pin limits the movement of the butt-joint hook, and the connecting pin on the lower shell cannot move out of the upper shell; therefore, mutual separation of the upper shell and the lower shell is limited, the technical problem that when an existing detachable mobile phone shell is used, parts are prone to being lost is effectively solved, the purpose that the upper shell and the lower shell cannot be completely separated while the detachable mobile phone shell is detachable is achieved, and the use stability of the shell is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone accessories, in particular to a detachable mobile phone case with a dustproof structure. Background Art

[0002] Bookshelves, also known as bookcases, are used and are commonly found in libraries, bookstores, supermarkets and other places. Bookshelves come in a variety of styles and are generally divided into wooden bookshelves and iron bookshelves according to the materials. Wooden bookshelves can hold a large number of books, while iron bookshelves combine placement and display, so they are commonly found in bookstores and supermarkets.

[0003] At present, a Chinese patent with the existing patent application number: 202322197486.X discloses a mobile phone case, comprising: a shell and a U-shaped movable locking part, the shell comprising a back plate and a circumferential fixed frame, the back plate and the circumferential fixed frame being connected to form an installation space for accommodating a mobile phone, a notch being formed on one side of the circumferential fixed frame, the movable locking part being installed at the notch and complementary in shape to the notch, the circumferential fixed frame being connected to the movable locking part in a slidable and position-lockable manner. By using a metal material to make an outer frame, a retractable movable locking part is provided thereon, and the movable locking part is provided with a mechanical fixing structure and a magnetic fixing structure, and can be taken off when pulled outwards. Although this facilitates the assembly and disassembly of the mobile phone to a certain extent, since the shell and the movable locking part are connected in a split manner, that is, the two can be completely independent, there is a risk of loss.

[0004] However, during the implementation of the above technical solution, at least the following technical problems were found:

[0005] Parts are easy to lose, and it is impossible to prevent dust or debris from clogging the charging port: Most existing detachable mobile phone cases adopt a split structure, that is, the mobile phone case is divided into two interconnected parts, so that after the mobile phone is placed, the connection between the two parts can be adjusted to form a complete mobile phone case. For example, the patent disclosed in the above-mentioned patent application number 202322197486.X, since the movable lock can be detached from the mobile phone case to form two completely independent individuals, if any one of them is lost when the mobile phone case is separated, the mobile phone case will not be able to be used normally, which seriously affects In addition, in order to facilitate the insertion of the charging connector into the charging port of the mobile phone, a reserved hole needs to be opened on the mobile phone case. At this time, the charging port of the mobile phone is exposed, which leads to the risk of dust or debris in the air entering the charging port, resulting in the charging port being occupied and the charging connector cannot be inserted into the charging port, seriously affecting the safety of the mobile phone. Secondly, since the charging port is relatively small and the light is insufficient, it is difficult to clean the debris blocked inside it, further affecting the normal charging of the mobile phone. For this reason, we propose a detachable mobile phone case with a dust-proof structure. Utility Model Content

[0006] (1) Technical problems solved

[0007] In view of the shortcomings of the existing technology, the utility model provides a detachable mobile phone case with a dust-proof structure, which solves the technical problems of the existing detachable mobile phone case that parts are easily lost during use and cannot prevent dust or debris from clogging the charging port.

[0008] (2) Technical solution

[0009] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0010] A detachable mobile phone case with a dustproof structure, the mobile phone case comprising:

[0011] An upper shell and a lower shell that are butted against each other;

[0012] an adjusting assembly, disposed between the upper shell and the lower shell, for connecting the upper shell with the lower shell;

[0013] In which, the adjustment component includes a sliding pin slidably installed inside the upper shell and corresponding to the docking hook outside the lower shell. When the upper shell and the lower shell are docked, the sliding pin is pushed toward the direction of the docking hook under the action of the spring sheet between it and the upper shell and inserted into the opening of the docking hook.

[0014] Preferably, a sliding groove is provided on the back of the upper shell, and a toggle post on the outside of the sliding pin extends through the sliding groove to the outside of the lower shell, and the sliding pin can be driven to move by the toggle post;

[0015] When the toggle post moves to a side of the slide groove away from the docking hook, the sliding pin moves out of the opening of the docking hook.

[0016] Preferably, two connecting pins are provided on the side of the lower shell facing the upper shell, and the two connecting pins are respectively located on both sides of the docking hook, and the heads of the connecting pins are inserted into the slots inside the upper shell and can slide in the slots.

[0017] Preferably, a bottom bracket is provided on a side of the lower shell away from the upper shell, and when the mobile phone is placed in the mobile phone case, the connector dustproof component on the inner side of the bottom bracket corresponds to the charging port of the mobile phone;

[0018] The connector dustproof assembly includes two flip-up baffles that cover the reserved hole on the base surface. When the charging connector is inserted into the reserved hole, the two baffles are squeezed away from the charging connector.

[0019] Preferably, two corresponding limiting plates are provided on the inner side of the base, and the two limiting plates are respectively located on both sides of the reserved hole, and the positioning plate hinged to the blocking plate can be inserted into the gap reserved between the limiting plate and the base.

[0020] Preferably, a rollable rotating rod is provided on one side opposite to the two blocking pieces, and when the charging connector is inserted into the reserved hole, the blocking piece is fitted with the outer wall of the charging connector through the rotating rod.

[0021] Preferably, the surface of the limiting piece is connected to an arc-shaped spring piece, and one end of the arc-shaped spring piece is connected to the limiting piece, and the other end extends to the position of the reserved hole;

[0022] When the blocking piece turns over to the position where the limiting piece is located, the outer wall of the blocking piece fits with the arc-shaped spring piece and squeezes the arc-shaped spring piece.

[0023] Preferably, magnetic strips are embedded in the edges of the baffle and the edges of the reserved hole, and the baffle is fitted with the base through the magnetic strips to cover the outside of the reserved hole.

[0024] Preferably, heat dissipation bladders are bonded to the inner sides of the upper shell and the lower shell, and the heat dissipation bladders include a storage bag and a heat-conducting medium filled in the storage bag;

[0025] When the mobile phone is placed on the mobile phone case, the mobile phone case fits with the back of the mobile phone through the heat dissipation bag inside the mobile phone case.

[0026] (3) Beneficial effects

[0027] 1. Since a sliding pin that can slide inside the upper shell corresponds to the docking hook on the lower shell, when the upper and lower shells are plugged in, the movement of the docking hook can be restricted by sliding the sliding pin, thereby connecting the upper and lower shells together. When unlocking, since the connecting pins on both sides of the lower shell are inserted into the upper shell and the heads of the connecting pins cannot be moved out of the upper shell, the upper and lower shells can be restricted from separating from each other. Therefore, the technical problem of easy loss of parts of the existing detachable mobile phone case during use is effectively solved, and the locking and separation between the upper and lower shells are realized, and at the same time, the upper and lower shells will not form completely independent individuals, thereby ensuring the stability of the shell during use.

[0028] 2. Since the charging port is blocked by a reversible shield, when the charging connector is plugged in, the shield can be squeezed by the charging connector to expose the charging port of the mobile phone; on the contrary, after charging is completed, the charging connector is removed, and the shield is blocked with the reserved hole on the mobile phone case under the action of the arc-shaped spring piece and the magnetic strip. Therefore, the technical problem that the existing detachable mobile phone case cannot prevent dust or debris from clogging the charging port when in use is effectively solved, thereby realizing the protection of the charging port, thereby ensuring the cleanliness of the charging port and improving the safety of charging.

[0029] 3. By installing a heat dissipation bag with the same structure as the "air bag" on the inside of the mobile phone case, which consists of a completely enclosed storage bag and a heat-conducting medium filled in the storage bag, the fluidity of the heat-conducting medium inside it is utilized to fit mobile phones of different shapes, so that the back of the mobile phone is completely covered, so dust cannot enter the gap between the mobile phone case and the back of the mobile phone, thereby avoiding dust accumulation. In addition, since the heat dissipation bag is filled with a heat-conducting medium that can conduct heat, it can absorb the heat emitted by the mobile phone and evenly conduct it to the mobile phone case, and then the metal mobile phone case will conduct the heat away, thereby assisting the mobile phone in dissipating heat and improving the heat dissipation effect of the mobile phone. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0031] Figure 1 This is a front structural diagram of the mobile phone case in this utility model;

[0032] Figure 2 This is a structural diagram of the back of the mobile phone case in the present utility model;

[0033] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0034] Figure 4 This is a schematic diagram of the structure of the utility model when the upper and lower shells are closed;

[0035] Figure 5 This is a schematic diagram of the structure of the utility model when the upper and lower shells are separated;

[0036] Figure 6 This is one of the schematic diagrams of the connection between the lower housing and the charging connector in the present invention;

[0037] Figure 7 This is the second schematic diagram of the connection between the lower housing and the charging connector in the present invention;

[0038] Figure 8 This is a structural diagram of the connection between the lower housing and the charging connector in the present invention;

[0039] Figure 9 This is an enlarged view of the structure of the location of the joint dustproof component in the lower shell of the utility model;

[0040] Figure 10 This is a schematic diagram of the opening and closing of the dustproof component of the joint in the utility model;

[0041] Figure 11 This is an exploded view of the heat dissipation bag in the present utility model;

[0042] Figure 12 This is a schematic diagram of the installation of a mobile phone in the present utility model.

[0043] Legend:

[0044] 11. Upper shell; 12. Lower shell; 13. Corner protector; 14. Bottom bracket; 15. Heat dissipation bag; 151. Storage bag; 152. Thermal medium;

[0045] 21. Sliding pin; 22. Spring leaf; 23. Docking hook; 24. Toggle post; 25. Connecting pin;

[0046] 3. Connector dustproof assembly; 31. Blocking piece; 32. Positioning piece; 33. Rotating rod; 34. Limiting piece; 35. Arc spring piece; 36. Magnetic strip;

[0047] 4. Support ring. DETAILED DESCRIPTION

[0048] The present invention provides a detachable mobile phone case with a dustproof structure, which effectively solves the technical problems of existing detachable mobile phone cases in which parts are easily lost during use and the charging port cannot be blocked by dust or debris. When the existing detachable mobile phone case is in use, a sliding pin that can slide inside the upper shell corresponds to a docking hook on the lower shell. When the upper and lower shells are plugged together, the sliding pin can restrict the movement of the docking hook, thereby connecting the upper and lower shells together. When unlocking, the connecting pins on both sides of the lower shell are inserted into the upper shell, and the heads of the connecting pins cannot be removed from the upper shell. Therefore, the upper and lower shells can be restricted from separating from each other, thereby achieving locking and separation between the upper and lower shells without forming completely independent entities, thereby ensuring the stability of the case in use. Because a reversible shield is used to block the charging port, when the charging connector is plugged in, the shield can be squeezed by the charging connector to expose the charging port of the mobile phone. Conversely, after charging is completed, the charging connector is removed, and the shield, under the action of the curved spring and the magnetic strip, blocks the reserved hole in the mobile phone case, thereby protecting the charging port, ensuring the cleanliness of the charging port, and improving charging safety.

[0049] Embodiment: The technical solution in the embodiment of the present application is to effectively solve the technical problems of existing detachable mobile phone cases in which parts are easily lost during use and the charging port cannot be prevented from being blocked by dust or debris. The overall idea is as follows:

[0050] Reference Figure 1 - Figure 12 In order to solve the problems existing in the prior art, the present invention provides a detachable mobile phone case with a dustproof structure. The mobile phone case mainly consists of an upper shell 11 (with corner protectors 13) and a lower shell 12 that are connected to each other. In order to ensure that the upper and lower shells can be separated and installed, an adjustment component is provided between the upper shell 11 and the lower shell 12. The adjustment component is used to achieve the separation and closing of the upper shell 11 and the lower shell 12. The specific structure of the adjustment component is as follows:

[0051] In order to ensure the stability of the sliding path of the sliding pin 21, a rectangular groove suitable for sliding the sliding pin 21 is opened inside the upper housing 11, such as Figure 3 As shown in the enlarged view in FIG, the sliding pin 21 can slide left and right along the rectangular groove, and the sliding pin 21 is connected to the lower shell 12 by a spring piece 22, and the spring piece 22 pushes the sliding pin 21 away from its direction.

[0052] The docking hook 23 is placed on the lower shell 12 and can be inserted into the upper shell 11 and corresponds to the sliding pin 21 inside the upper shell 11. Figure 4 and Figure 5As shown, the docking hook 23 can be locked and unlocked by sliding the sliding pin 21. The details are as follows:

[0053] Locking: When the upper shell 11 and the lower shell 12 need to be docked, the docking hook 23 on the lower shell 12 is inserted into the upper shell 11 and is located on the side of the sliding pin 21 away from the spring piece 22, as shown in FIG. Figure 4 As shown, at this time, the sliding pin 21 can be pushed toward the direction of the docking hook 23 under the action of the spring sheet 22 and inserted into the opening of the docking hook 23. At this time, the docking hook 23 and the lower shell 12 connected to the docking hook 23 cannot be separated from the upper shell 11, thereby completing the locking of the upper and lower shells.

[0054] Unlocking, since unlocking requires sliding the sliding pin 21, and the sliding pin 21 is located inside the upper shell 11, in order to be able to drive the sliding pin 21 from the outside of the upper shell 11, a sliding groove is opened on the back of the upper shell 11, such as Figure 1 、 Figure 2 and Figure 4 As shown, the slide groove is located below the support ring 4. By passing the toggle column 24 outside the sliding pin 21 through the slide groove and extending it to the outside of the lower shell 12, the sliding pin 21 can be moved on the outside of the mobile phone shell. Therefore, when the toggle column 24 moves to the side of the slide groove away from the docking hook 23, the sliding pin 21 will move out of the opening of the docking hook 23, thereby releasing the restriction of the docking hook 23, and the upper and lower shells can be separated from each other.

[0055] However, in this way, a relatively independent structure will be formed between the upper and lower shells, and the desired effect will not be achieved. Therefore, in order to avoid this situation, we install two connecting pins 25 on the side of the lower shell 12 facing the upper shell 11, and the two connecting pins 25 are respectively located on both sides of the docking hook 23, so that the connecting pin 25 can move into the upper shell 11 together with the docking hook 23. In this way, we can insert the head of the connecting pin 25 into the slot inside the upper shell 11 and make it slide only in the slot. In this way, although the upper and lower shells can be separated from each other, they cannot be completely separated, thereby ensuring the stability of the mobile phone case.

[0056] In this way, the upper and lower shells can be connected, locked, unlocked, and the telescopic distance can be limited.

[0057] Another important improvement of the present application is to install a structure (connector dustproof component 3) on the lower housing 12 to protect the mobile phone charging interface, so as to prevent dust or other debris from entering the interior. The specific structure is as follows:

[0058] Two flip-over baffles 31 are provided, and the baffles 31 cover the reserved hole on the surface of the bottom bracket 14. The reserved hole is a through hole for convenient insertion of the charging plug. Figure 9 As shown, when the phone is placed in the phone case, the reserved hole on the inner side of the base 14 corresponds to the phone's charging port. Therefore, when the charging connector is inserted into the reserved hole, the two blocking pieces 31 are squeezed away from the charging connector, thereby exposing the phone's charging port. This satisfies the need for the charging connector to be plugged into the phone's charging port.

[0059] The charging connector needs to be plugged in and out many times, so it is necessary to ensure that the position of the baffle 31 is constant. To this end, two corresponding limiting pieces 34 are provided on the inner side of the base 14, and the two limiting pieces 34 are respectively located on both sides of the reserved hole. In order to be able to clamp the positioning piece 32 connected to the baffle 31, the positioning piece 32 is inserted into the gap reserved between the limiting piece 34 and the base 14, as shown in FIG. Figure 8 and Figure 9 As shown, this ensures that the blocking piece 31 can still maintain a stable position when the charging connector is plugged in or out.

[0060] However, during use, it was found that friction easily occurred between the baffle 31 and the charging connector, causing wear of the charging connector and increasing the difficulty of moving the charging connector. For this reason, a rollable rotating rod 33 was installed on the opposite side of the two baffles 31. In this way, when the charging connector is inserted into the reserved hole, the baffle 31 can fit with the outer wall of the charging connector through the rotating rod 33, thereby converting the original sliding friction into rolling friction, reducing the difficulty of taking and placing the charging connector.

[0061] After the baffle 31 is opened, the next step is to fix the baffle 31 to the reserved hole. To ensure normal closure, a curved spring piece 35 is connected to the surface of the limiting piece 34. One end of the curved spring piece 35 is connected to the limiting piece 34, and the other end extends toward the location of the reserved hole. This allows the outer wall of the baffle 31 to fit with the curved spring piece 35 when the baffle 31 is flipped toward the limiting piece 34. As the charging connector is inserted, the baffle 31 needs to be continuously flipped outward, squeezing the curved spring piece 35, causing it to deform, thereby accumulating force and clamping the inserted charging connector. Conversely, when the charging connector is removed, the baffle 31 is pushed toward the location of the reserved hole under the action of the curved spring piece 35. The edge of both the baffle 31 and the edge of the reserved hole are embedded with a magnetic strip 36, so when the baffle 31 moves toward the location of the reserved hole, the baffle 31 is attached to the base 14 by the magnetic force of the magnetic strip 36, thereby covering the outside of the reserved hole and blocking the reserved hole. Figure 7As shown, this can close the charging port of the mobile phone to prevent debris or dust from entering the charging port of the mobile phone, thereby ensuring the safety of the charging port.

[0062] During the research and development process, we found that since the mobile phone case is made of hard material, it cannot adapt to the shape of the back of the mobile phone. In addition, there will be a certain gap between the mobile phone case and the mobile phone during use. This will cause dust to enter between the mobile phone case and the mobile phone along these gaps. Therefore, in order to solve this problem, we used flexible materials. However, the elasticity of flexible materials themselves is limited. When the mobile phone is used or shaken, there will still be a certain gap. For this reason, we found a "elastic material" that can change its shape, which is the airbag. Using its ability to freely adjust its shape according to pressure, we added a flexible material between the upper shell 11 and the lower shell 12. The inner side of the storage bag 15 is bonded with a heat dissipation bag 15, and the air filled in the air bag is replaced by a heat-conducting medium 152, thereby forming a storage bag 151 and the heat-conducting medium 152 filled inside the storage bag 151. Like a "water ball", it also has deformation characteristics. Therefore, when the mobile phone is placed on the mobile phone case, the mobile phone case fits with the back of the mobile phone through the heat dissipation bag 15 inside it. Even when the mobile phone is shaken, the storage bag 151 can fit to the back of the mobile phone under the action of the heat-conducting medium 152 filled inside it, thereby preventing dust from entering between the mobile phone case and the mobile phone. The heat-conducting medium 152 inside it can conduct heat, so it can also enhance the heat conduction effect.

[0063] In the specific implementation process, Figure 12 As shown, place the mobile phone inside the upper and lower shells, as shown in Figure 12 As shown in part (a), the lower housing 12 is then pushed to move toward the bottom of the phone, and the docking hook 23 and connecting pin 25 on the lower housing 12 move together with it toward the upper housing 11 until the upper and lower housings are completely fitted together. At this time, the docking hook 23 is located on the side of the sliding pin 21 away from the spring piece 22, as shown in FIG. Figure 4 As shown, the sliding pin 21 is pushed toward the direction of the docking hook 23 by the spring sheet 22 and inserted into the opening of the docking hook 23. At this time, the docking hook 23 and the lower shell 12 connected to the docking hook 23 cannot be separated from the upper shell 11, thereby completing the locking of the upper and lower shells.

[0064] On the contrary, when unlocking, the toggle column 24 is slid to the side of the slide groove away from the docking hook 23, so that the sliding pin 21 connected to the toggle column 24 is moved out of the opening of the docking hook 23, thereby releasing the restriction of the docking hook 23. At this time, the upper and lower shells can be separated from each other, and the unlocking is completed.

[0065] The head of the connecting pin 25 is inserted into the slot inside the upper shell 11, and it can only slide in the slot. In this way, although the upper and lower shells can be separated from each other, they cannot be completely separated, thereby ensuring the stability of the mobile phone case and avoiding the loss of parts.

[0066] When the charging connector is inserted into the reserved hole, the two baffles 31 are squeezed in the direction away from the charging connector, thereby exposing the charging interface of the mobile phone. This satisfies the need for the charging connector to be plugged into the charging interface of the mobile phone. As the charging connector is inserted, the baffle 31 needs to be continuously flipped outward, squeezing the arc-shaped spring piece 35, causing the arc-shaped spring piece 35 to deform, thereby starting to accumulate force and clamping the charging connector inserted therein. Conversely, when the charging connector is taken out, the baffle 31 is pushed toward the location of the reserved hole under the action of the arc-shaped spring piece 35. Both the edge of the baffle 31 and the edge of the reserved hole are embedded with a magnetic strip 36, so when the baffle 31 moves toward the location of the reserved hole, the baffle 31 is fitted with the base 14 through the magnetic force of the magnetic strip 36, thereby covering the outside of the reserved hole and blocking the reserved hole. Figure 7 As shown, this can close the charging port of the mobile phone to prevent debris or dust from entering the charging port of the mobile phone, thereby ensuring the safety of the charging port.

[0067] Finally, it should be noted that the above embodiments are merely examples for the purpose of illustrating the present invention and are not intended to limit the embodiments. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to provide an exhaustive list of all possible embodiments. However, any obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A detachable mobile phone case with a dustproof structure, characterized in that: This phone case includes: An upper shell (11) and a lower shell (12) that are butted against each other; An adjustment assembly is disposed between the upper housing (11) and the lower housing (12) and is used to connect the upper housing (11) with the lower housing (12); The adjustment assembly includes a sliding pin (21) slidably mounted inside the upper shell (11), the sliding pin (21) corresponds to the docking hook (23) outside the lower shell (12), and when the upper shell (11) and the lower shell (12) are docked, the sliding pin (21) is pushed in the direction of the docking hook (23) under the action of a spring sheet (22) between the sliding pin and the upper shell (11), and is inserted into the opening of the docking hook (23) to limit the movement of the docking hook (23).

2. The detachable mobile phone case with a dustproof structure according to claim 1, characterized in that: A sliding groove is provided on the back of the upper shell (11), and a toggle post (24) on the outside of the sliding pin (21) passes through the sliding groove and extends to the outside of the lower shell (12), and the sliding pin (21) can be driven to move by the toggle post (24); When the toggle post (24) moves to a side of the slide groove away from the docking hook (23), the sliding pin (21) moves out of the opening of the docking hook (23).

3. The detachable mobile phone case with a dustproof structure according to claim 1, characterized in that: Two connecting pins (25) are provided on one side of the lower shell (12) facing the upper shell (11), and are respectively located on both sides of the docking hook (23). The heads of the connecting pins (25) are restricted from moving in slots inside the upper shell (11).

4. The detachable mobile phone case with a dustproof structure according to claim 1, characterized in that: A bottom bracket (14) is provided on a side of the lower housing (12) away from the upper housing (11), and when the mobile phone is placed in the mobile phone case, the connector dustproof component (3) on the inner side of the bottom bracket (14) corresponds to the charging interface of the mobile phone; The connector dustproof assembly (3) includes two flippable baffles (31) that cover the reserved hole on the surface of the base (14). When the charging connector is inserted into the reserved hole, the two baffles (31) can be squeezed in a direction away from the charging connector.

5. The detachable mobile phone case with a dustproof structure according to claim 4, characterized in that: Two mutually corresponding limiting pieces (34) are provided on the inner side of the base (14), and the two limiting pieces (34) are respectively located on both sides of the reserved hole, wherein the positioning piece (32) hinged to the blocking piece (31) can be inserted into the gap reserved between the limiting piece (34) and the base (14).

6. The detachable mobile phone case with a dustproof structure according to claim 5, characterized in that: A rollable rotating rod (33) is provided on one side opposite to the two blocking pieces (31), and when the charging connector is inserted into the reserved hole, the blocking piece (31) is fitted with the outer wall of the charging connector via the rotating rod (33).

7. The detachable mobile phone case with a dustproof structure according to claim 5, characterized in that: The surface of the limiting piece (34) is connected to an arc-shaped spring piece (35), and one end of the arc-shaped spring piece (35) is connected to the limiting piece (34), and the other end extends to the position of the reserved hole; When the blocking piece (31) is turned over to the position where the limiting piece (34) is located, the outer wall of the blocking piece (31) fits against the arc-shaped spring piece (35) and squeezes the arc-shaped spring piece (35).

8. The detachable mobile phone case with a dustproof structure according to claim 4, characterized in that: The edges of the blocking piece (31) and the edges of the reserved hole are both embedded with magnetic strips (36), and the blocking piece (31) is fitted with the bottom bracket (14) through the magnetic strips (36) to cover the outside of the reserved hole.

9. The detachable mobile phone case with a dustproof structure according to claim 1, characterized in that: The inner sides of the upper shell (11) and the lower shell (12) are both bonded with heat dissipation bags (15), and the heat dissipation bags (15) include a storage bag (151) and a heat-conducting medium (152) filled in the storage bag (151); When the mobile phone is placed on the mobile phone case, the mobile phone case is fitted to the back of the mobile phone through the heat dissipation bag (15) inside the mobile phone case.

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