External equipment protection shell adaptive to mining mobile phone

Abstract

The utility model belongs to the technical field of protective shells, and relates to an external equipment protective shell adaptive to a mining mobile phone, which comprises a protective shell main body, a ratchet mechanism and a tray, the top of the protective shell main body is provided with a first clamping part, the top of the protective shell main body is provided with a through hole, and the bottom of the protective shell main body is provided with an opening. The ratchet mechanism comprises a ratchet and a pawl, the pawl is arranged on the protective shell body and used for being meshed with the ratchet, ratchets are arranged on the inner edge of the ratchet, and outer gear teeth are arranged on the outer edge of the ratchet. A second clamping part is arranged on the tray, a rack is fixedly arranged on the tray, and the rack is used for being meshed with the outer gear teeth. In the process that the tray pushes the external equipment into the protective shell body, the rack is in meshing transmission with the outer gear teeth; and after the tray pushes the external equipment into the protective shell main body, the ratchet is clamped by the pawl. The protective shell main body fixes and protects the external equipment, so that the situation that the external equipment is damaged or the signal connection port of the mining mobile phone is damaged due to falling of the equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of protective shell, specifically relates to a kind of external device protective shell of adaptation mining mobile phone use. BACKGROUND

[0002] Mining mobile phone has professional communication function, they can support wireless network, Bluetooth, GPS and multiple communication modes, and can transmit data stably in weak signal environment. Therefore, mining thermal imaging camera, U disk, SD card reader, endoscopic camera or small wireless screen projector and other external devices are generally connected with mining mobile phone for data transmission when in use. The signal connector of external device is connected with the signal connection port of mining mobile phone.

[0003] The existing mining mobile phone shell can wrap the main part of the mobile phone, prevent the mobile phone from being damaged after falling, and provide shock absorption effect to prevent the internal components of the mobile phone from being damaged.

[0004] The mining mobile phone shell only protects the main part of the mining mobile phone, but the mining mobile phone is usually connected with some external devices when in use, including mining thermal imaging camera, U disk, SD card reader, endoscopic camera or small wireless screen projector, and the external device is connected with the mining mobile phone through the signal connection port. When the mining mobile phone and the connected external device fall, the mining mobile phone shell has no protective effect on the external device, and the signal connection port between the external device and the mining mobile phone is easily damaged. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides an external device protective shell adapted for mining mobile phone, which can protect the external device connected with the mining mobile phone and reduce the damage of the external device caused by falling or the damage of the signal connection port of the mining mobile phone.

[0006] The technical scheme of the utility model is:

[0007] An external device protective shell adapted for mining mobile phone, comprising: a protective shell main body having a first clamping part at the top for clamping the mining mobile phone, and the bottom of the protective shell main body is provided as an opening;

[0008] A ratchet mechanism comprising a ratchet wheel and a pawl, the pawl is arranged on the protective shell main body, and the pawl is used for engaging with the ratchet wheel, the inner edge of the ratchet wheel has a ratchet tooth, and the outer edge of the ratchet wheel is provided with an outer gear tooth;

[0009] A tray is arranged at the bottom opening of the protective shell main body, the tray is provided with a second clamping part for fixing the external device, and the tray is fixedly provided with a rack, and the rack is used for engaging with the outer gear tooth;

[0010] The tray pushes the external device into the protective shell body, the rack is in mesh transmission with the external gear; after the tray pushes the external device into the protective shell body, the pawl clamps the ratchet wheel.

[0011] Preferably, the pawl comprises a center wheel, a rotating shaft, a claw and a first elastic member, the center wheel is connected with the protective shell body, a plurality of accommodating grooves are formed in the center wheel, the rotating shaft is fixed in the accommodating groove, the rotating shaft and the center wheel are coaxial with the ratchet wheel, one claw is arranged in each accommodating groove, one end of the claw is rotatably connected with the rotating shaft, the first elastic member is arranged in the accommodating groove and used for pushing the claw out of the accommodating groove.

[0012] Preferably, one side of the center wheel is fixedly connected with an axle, the axle is slidably connected with the protective shell body, one end of the axle is fixedly connected with a button, when the button is pressed, the button drives the center wheel to move along the axial direction through the axle so that the claw is separated from the ratchet wheel, a second elastic member is arranged between the button and the protective shell body, and the second elastic member is used for resetting the button.

[0013] Preferably, one side of the ratchet wheel is provided with a reset guide chamfer.

[0014] Preferably, the back of the protective shell body is provided with an upper cover and an opening and closing cover, the upper cover is detachably connected with the protective shell body, the opening and closing cover is rotatably connected with the protective shell body to realize opening or closing of the opening and closing cover, the lower side of the upper cover and the upper side of the opening and closing cover are both provided with grooves, and the two grooves oppositely form a hole through which a protruding part of the external device passes.

[0015] Preferably, the opening and closing cover is connected with the axle through a guide flat key or a sliding key, when the opening and closing cover rotates towards the opening direction, the claw is clamped with the ratchet wheel.

[0016] Preferably, the tray comprises a side plate and a bottom plate, the bottom plate is fixedly connected with the side plate, the bottom plate is matched with the bottom opening of the protective shell body, a guide structure is arranged between the side plate and the protective shell body, the direction of the guide structure is perpendicular to the bottom plate, and the rack is fixedly arranged on the side plate.

[0017] Preferably, the second clamping part comprises two oppositely arranged clamping jaws, the clamping jaws are fixedly connected with the side plate, and the two clamping jaws are used for clamping the external device.

[0018] Preferably, the guide structure comprises a sliding groove and a sliding block, the sliding groove is formed in the inner side surface of the protective shell body, the direction of the sliding groove is perpendicular to the bottom plate, the sliding block is fixed on the side plate, and the sliding block is slidably arranged in the sliding groove.

[0019] Preferably, the first clamping part comprises an extension plate fixed on the top of the protective shell body, and the extension plate is provided with a clamping groove.

[0020] Compared with the prior art, the external device protective shell for the mining mobile phone has the following beneficial effects:

[0021] The external device protective shell for the mining mobile phone is fixed by the first clamping part, the protective shell body is connected with the mining mobile phone, the external device is fixed on the tray through the second clamping part, the tray is pushed into the protective shell body from the bottom opening of the protective shell body, the signal plug of the external device is connected with the mining mobile phone, the rack on the tray is engaged with the external gear to drive the ratchet wheel to rotate, the ratchet wheel is clamped under the action of the pawl, and thus the external device is fixed in the protective shell body, the external device is fixed and protected, and the damage of the external device or the signal connection port of the mining mobile phone caused by falling of the device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic view of the overall structure of the embodiment 1 of the utility model.

[0023] Figure 2 It is a schematic view of the first clamping part and the through hole of the embodiment 1 of the utility model.

[0024] Figure 3 It is a sectional view of the ratchet wheel mechanism of the embodiment 1 of the utility model.

[0025] Figure 4 It is a sectional view of the ratchet wheel mechanism of the embodiment 1 of the utility model. Figure 3

[0026] Figure 5 It is an overall structure explosion drawing of the embodiment 2 of the utility model.

[0027] Figure 6 It is an explosion drawing of the ratchet wheel and the pawl of the embodiment 2 of the utility model.

[0028] Figure 7 It is a sectional view of the ratchet wheel of the utility model.

[0029] Figure 8 It is a schematic view of the utility model in use.

[0030] BRIEF DESCRIPTION OF DRAWINGS:

[0031] ​1, protective shell main body, 101, first clamping part, 102, through hole, 103, reset guide chamfer, 104, open and close cover, 2, ratchet, 201, ratchet tooth, 202, outer gear tooth, 203, reset guide chamfer, 3, pawl, 301, center wheel, 302, rotating shaft, 303, claw, 304, first elastic piece, 305, containing groove, 306, wheel shaft, 307, button, 308, second elastic piece, 4, tray, 401, second clamping part, 402, side plate, 403, bottom plate, 5, rack, 6, guide structure, 601, sliding groove, 602, sliding block, 7, external device. DETAILED DESCRIPTION

[0032] It should be noted that in the description of the present application, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0033] The terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features; in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0034] In addition, it should be noted that the connection involved in the present application can be realized by using conventional connection methods, and does not involve any innovation.

[0035] The subject of the present application is an external device protective shell adapted for use with a mining mobile phone. The mining mobile phone has professional communication functions, which can support wireless network, Bluetooth, GPS and other communication modes, and can stably transmit data in weak signal environment. Therefore, when using mining thermal imaging cameras, U disks, SD card readers, endoscopic cameras or small wireless projection devices, etc. external devices are generally connected with mining mobile phones for data transmission. The signal plug of the external device is connected with the signal connection port of the mining mobile phone.

[0036] The existing mining mobile phone shell can wrap the main body of the mobile phone, prevent the mobile phone from being damaged after falling, and provide a shock absorption effect to prevent the internal components of the mobile phone from being damaged.

[0037] However, the mining mobile phone shell only protects the main body of the mining mobile phone, and has no protective effect on the external device connected from the signal connection port, and is easy to cause damage to the external device and the signal connection port of the mining mobile phone when falling.

[0038] Based on the above reasons, the utility model provides a kind of external device protective shell adapted to the use of mining mobile phone, to solve the technical problems mentioned above, the structure of the utility model is described in detail as follows. Figures 1 to 7

[0039] Example 1

[0040] The utility model provides a kind of external device protective shell adapted to the use of mining mobile phone, including protective shell main body 1, ratchet mechanism, tray 4, protective shell main body 1 top has the first clamping part 101 for clamping mining mobile phone, the top of protective shell main body 1 is equipped with through-hole 102 for signal plug-in head to pass through, the bottom of protective shell main body 1 is set to opening.Ratchet mechanism includes ratchet wheel 2 and pawl 3, pawl 3 is arranged on protective shell main body 1, pawl 3 is used for and engages with ratchet wheel 2, the inner edge of ratchet wheel 2 has ratchet tooth 201, the outer edge of ratchet wheel 2 is provided with outer gear teeth 202;Tray 4 is arranged at the bottom opening of protective shell main body 1, second clamping part 401 for fixing external device is arranged on tray 4, rack 5 is fixedly arranged on tray 4, and rack 5 is used for and engages with outer gear teeth 202.Rack 5 and outer gear teeth 202 are engaged in transmission in the process that tray 4 pushes external device into protective shell main body 1;After tray 4 pushes external device into protective shell main body 1, pawl 3 clamps ratchet tooth 201.At this time, ratchet wheel is in one-way rotation position to realize locking function, prevent accidental drop of tray 4 and its contents caused by shaking or gravity.

[0041] In the embodiment, pawl 3 includes center wheel 301, shaft 302, claw 303 and first elastic member 304, center wheel 301 is connected with protective shell main body 1, a plurality of containing grooves 305 are formed in center wheel 301, shaft 302 is fixed in containing groove 305, shaft 302 and center wheel 301 are coaxial with ratchet wheel 2, one claw 303 is arranged in each containing groove 305, one end of claw 303 is rotatably connected with shaft 302, first elastic member 304 is arranged in containing groove 305, and the first elastic member 304 is used to push claw 303 out of containing groove 305.First elastic member 304 selects pawl return spring.The one-way rotation function of ratchet mechanism is realized by compression and restoration of pawl return spring.

[0042] ​The core components of the ratchet mechanism are connected by threads. First, six pawl sleeves are sleeved on the six rotating shafts reserved on the center wheel, then the pawl return springs are sleeved on the spring installation positions of the pawls and the accommodating grooves reserved on the center wheel, and then the ratchet baffle is fixed on one end of the center wheel using a cross slot countersunk screw. The core components of the ratchet mechanism are assembled. After the core components of the ratchet mechanism are assembled, they can be moved integrally, which provides a basis for the realization of the free rotation and one-way rotation of the ratchet mechanism.

[0043] In this embodiment, the center wheel 301 is fixedly connected with a wheel shaft 306, the wheel shaft 306 is in sliding connection with the protective shell body 1, one end of the wheel shaft 306 is fixedly connected with a button 307, when the button 307 is pressed, the button 307 drives the center wheel 301 to move axially through the wheel shaft 306 to make the pawl 303 disengage from the ratchet teeth 201, a second elastic member 308 is arranged between the button 307 and the protective shell body 1, and the second elastic member 308 is used to reset the button 307. The compression and restoration of the second elastic member 308 realize the mutual switching of the ratchet mechanism between the free rotation function and the one-way rotation function.

[0044] In this embodiment, the ratchet teeth 201 are provided with a reset guide chamfer 203 on one side. The reset guide chamfer 203 provides a guide function for the pawl 303 when the ratchet mechanism is reset, preventing the pawl 303 from being stuck by the ratchet teeth 201 and hindering the reset of the ratchet mechanism.

[0045] The use method and working principle of this embodiment

[0046] When the button is pressed, the core of the ratchet mechanism slides inward along the hole on the protective shell body, so that the pawl of the ratchet mechanism disengages from the working position of the ratchet and enters the disengaged position, so that the ratchet can rotate freely. When the rack on the right side of the tray is pushed in, it will drive the ratchet to rotate through the outer gear teeth. When the button is released, the pawl will return to the working position under the action of the first elastic member. Because there is a connecting key between the connecting part of the wheel shaft of the center wheel and the opening and closing cover, the two parts can slide relative to each other but cannot rotate relative to each other, and because the ratchet and the center wheel of the ratchet mechanism can only rotate relative to each other in one direction, when the opening and closing cover changes from the open state to the closed state, the center wheel and the ratchet can rotate relative to each other. When the opening and closing cover is lifted, the center wheel will rotate together with the opening and closing cover, and the ratchet will be driven to rotate by the ratchet mechanism. The tray is pushed out by the meshing of the ratchet and the rack on the tray.

[0047] Embodiment 2

[0048] The protective shell for the external device used by the mining mobile phone provided by the embodiment is provided with an upper cover 103 and an opening and closing cover 104 on the back of the protective shell main body 1. The upper cover 103 is detachably connected with the protective shell main body 1, and the opening and closing cover 104 is rotationally connected with the protective shell main body 1 to realize the opening and closing of the opening and closing cover 104. The lower side of the upper cover 103 and the upper side of the opening and closing cover 104 are both provided with a groove, and the two grooves oppositely form a hole through which the protruding part of the external device passes. The opening and closing cover 104 is prevented from blocking the lens of the thermal imaging camera when it is closed.

[0049] In the embodiment, the opening and closing cover 104 is connected with the wheel shaft 306 through a guide flat key or a sliding key. When the opening and closing cover 104 rotates towards the opening direction, the claw 303 and the ratchet 201 are clamped. The ratchet mechanism is driven to rotate synchronously with the opening and closing cover 104.

[0050] In the embodiment, the tray 4 includes a side plate 402 and a bottom plate 403. The bottom plate 403 is fixedly connected with the side plate 402. The bottom plate 403 matches the bottom opening of the protective shell main body 1. The side plate 402 is provided with a guide structure 6 relative to the protective shell main body 1. The direction of the guide structure 6 is perpendicular to the bottom plate 403. The rack 5 is fixedly arranged on the side plate 402. The tray 4 as a whole serves as the mounting position of the external device and can provide impact protection for the external device.

[0051] In the embodiment, the second clamping part 401 includes two oppositely arranged clamping claws. The clamping claws are fixedly connected with the side plate 402. The two clamping claws are used for clamping the external device.

[0052] In the embodiment, the guide structure 6 includes a sliding groove 601 and a sliding block 602. The sliding groove 601 is arranged on the inner side of the protective shell main body 1. The direction of the sliding groove 601 is perpendicular to the bottom plate 403. The sliding block 602 is fixedly arranged on the side plate 402 and slidably arranged in the sliding groove 601. The guide structure 6 can provide a guide function when the tray 4 slides into or out of the protective shell main body 1. The sliding groove 601 and the sliding block 602 are both dovetail-shaped, which can prevent the tray 4 from being separated from the main shell 1 when sliding.

[0053] In the embodiment, the first clamping part 101 includes an extension plate fixedly arranged on the top of the protective shell main body 1. The extension plate is provided with a clamping groove. The extension plate is used for connecting with the back shell of the mobile phone.

[0054] The use method and working principle of the embodiment

[0055] In use, first, the ratchet wheel is placed into the groove in the main body of the protective shell, and then the core of the ratchet mechanism is placed into the groove in the ratchet wheel; the key groove in the right side plate of the cover is aligned with the key on the right side shaft of the center wheel, and then the second elastic member is sleeved on the right side shaft of the center wheel, and then the button is fixed by using the cross slot countersunk screw, and then the left side plate of the cover is fixed to the main body of the protective shell by using the cross slot head screw.

[0056] The external device is installed on the tray, and the left and right clamping jaws are clamped in the recesses on the left and right sides of the camera; first, the cover is lifted, and then the button is pressed, so that the ratchet mechanism is in a disengaged state, and then the slider at the lower part of the assembled tray is aligned with the reserved sliding groove on the main body of the protective shell and is pushed in, so that the bottom of the tray is coincided with the bottom of the main body of the protective shell, and then the button is released, the ratchet mechanism is reset to the working state under the action of the second elastic member, and then the cover is closed, the rack on the side of the tray is engaged with the ratchet wheel of the ratchet mechanism, and due to the limitation that the ratchet mechanism can only rotate in one direction, the tray is prevented from falling off under the action of gravity.

[0057] In Figure 5 , the external device 7 shown in the figure is a mine thermal imaging camera, and other external devices such as a U disk, an SD card reader, an endoscopic camera or a small wireless projector are not shown in the figure, but these external devices connected with the mine mobile phone for use can be protected by the structure of the utility model.

[0058] The above disclosure is only a preferred embodiment of the utility model, but the utility model embodiments are not limited to this, any changes that can be thought of by those skilled in the art should fall within the protection scope of the utility model.

Claims

1. An external device protective case adapted for use with a mining mobile phone, characterized in that: The utility model relates to a protective shell for mining handset, which comprises: a protective shell body (1) having a first clamping part (101) at the top for clamping a mining handset, the bottom of the protective shell body (1) being provided as an opening; a ratchet mechanism comprising a ratchet wheel (2) and a pawl (3), the pawl (3) being arranged on the protective shell body (1) and being used for engaging with the ratchet wheel (2), the inner edge of the ratchet wheel (2) being provided with ratchet teeth (201), and the outer edge of the ratchet wheel (2) being provided with external gear teeth (202); a tray (4) arranged at the bottom opening of the protective shell body (1), the tray (4) being provided with a second clamping part (401) for fixing an external device, and the tray (4) being fixedly provided with a rack (5) used for engaging with the external gear teeth (202); during the process of pushing the external device into the protective shell body (1) by the tray (4), the rack (5) is in engagement with the external gear teeth (202) to drive; after the external device is pushed into the protective shell body (1) by the tray (4), the pawl (3) is clamped on the ratchet teeth (201).

2. The protective case for a mining handset adapted for use with an external device according to claim 1, wherein, The pawl (3) comprises a center wheel (301), a rotating shaft (302), a pawl (303) and a first elastic member (304), the center wheel (301) is connected with the protective shell body (1), a plurality of accommodating grooves (305) are formed in the center wheel (301), the rotating shaft (302) is fixed in the accommodating grooves (305), the center wheel (301) and the rotating shaft (302) are coaxial with the ratchet wheel (2), one pawl (303) is arranged in each accommodating groove (305), one end of the pawl (303) is rotatably connected with the rotating shaft (302), and the first elastic member (304) is arranged in the accommodating groove (305) and used for pushing the pawl (303) out of the accommodating groove (305).

3. The protective case for a mining handset adapted for use with an external device according to claim 2, wherein, One side of the center wheel (301) is fixedly connected with an axle (306), the axle (306) is slidably connected with the protective shell body (1), one end of the axle (306) is fixedly connected with a button (307), when the button (307) is pressed, the button (307) drives the center wheel (301) to move along the axial direction through the axle (306) to make the pawl (303) disengage from the ratchet teeth (201), a second elastic member (308) is arranged between the button (307) and the protective shell body (1), and the second elastic member (308) is used for resetting the button (307).

4. The protective case for a mining handset adapted for use with an external device according to claim 3, wherein, One side of the ratchet teeth (201) is provided with a reset guide chamfer (203).

5. The protective case for a mining handset adapted for use with an external device according to claim 3, wherein, The back of the protective shell body (1) is provided with an upper cover (103) and an opening and closing cover (104), the upper cover (103) is detachably connected with the protective shell body (1), the opening and closing cover (104) is rotatably connected with the protective shell body (1) to realize the opening or closing of the opening and closing cover (104), the lower side of the upper cover (103) and the upper side of the opening and closing cover (104) are both provided with grooves, and the two grooves oppositely form a hole through which a protruding part of an external device passes.

6. The protective case for a mining handset adapted for use with an external device of claim 5, wherein, The opening and closing cover (104) is connected with the wheel shaft (306) through a guide flat key or a sliding key, the claw (303) and the ratchet (201) are clamped when the opening and closing cover (104) rotates towards the opening direction.

7. The protective case for a mining handset adapted for use with an external device of claim 1, wherein, The tray (4) comprises a side plate (402) and a bottom plate (403), the bottom plate (403) and the side plate (402) are fixedly connected, the bottom plate (403) is matched with the bottom opening of the protective shell body (1), a guide structure (6) is arranged between the side plate (402) and the protective shell body (1), the direction of the guide structure (6) is perpendicular to the bottom plate (403), and the rack (5) is fixedly arranged on the side plate (402).

8. The protective case for a mining handset adapted for use with an external device according to claim 7, wherein, The second clamping part (401) comprises two oppositely arranged clamping jaws, the clamping jaws are fixedly connected with the side plate (402), and the two clamping jaws are used for clamping external equipment.

9. The protective case for a mining handset adapted for use with an external device according to claim 7, wherein, The guide structure (6) comprises a sliding groove (601) and a sliding block (602), the sliding groove (601) is arranged on the inner side of the protective shell body (1), the direction of the sliding groove (601) is perpendicular to the bottom plate (403), the sliding block (602) is fixed on the side plate (402), and the sliding block (602) is slidably arranged in the sliding groove (601).

10. The protective case for a mining handset accessory of claim 1, wherein, The first clamping part (101) comprises an extension plate fixed at the top of the protective shell body (1), and the extension plate is provided with a clamping groove.

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