A chest backpack with a hands-free mobile phone holder and a stable structure

Abstract

The present invention discloses a chest backpack with a stable structure for a mobile phone holder that liberates hands, mainly including a main bag body, a secondary bag body, shoulder straps, adjustment straps, and a stable structure for the holder. When in use, press the second button, and the top of the flip cover is lifted by the lever. Then, open the flip cover by hand, place the mobile phone in the depression of the loading plate, and operate the baffle to push the mobile phone downward into the limit module, so as to relatively fix the position of the mobile phone in the depression and prevent the mobile phone from moving around when walking. Then, close the flip cover and lock it. Finally, turn the support body upward to reach a suitable position to fix the position of the mobile phone, facilitating the user to watch the mobile phone content at any time without having to hold the mobile phone by hand. When retraction is required, just press the first button to push the rotating shaft to rotate. The first spring twists with the rotating shaft, and the clamping block retracts inward to release the restriction on the rotating tube and the first protrusion. The support body and the mobile phone automatically turn downward under the action of gravity to achieve storage.

Description

Technical Field

[0001] The present invention relates to the technical field of backpack design, and particularly to a front chest backpack with a stable structure for a mobile phone holder that liberates both hands. Background Art

[0002] In some special scenarios (such as outdoor navigation on rainy days, bus or subway navigation, shopping in a mall), it is often seen that people hold a mobile phone in one hand, and the other hand has to carry things with difficulty or do other important things. When encountering a place with water, the mobile phone is more likely to break if it falls. Therefore, combining the mobile phone with the backpack for travel can not only carry personal items but also view mobile phone navigation or answer calls, etc., liberating both hands and avoiding the danger caused by looking down at the mobile phone and operating it with one hand during travel.

[0003] Therefore, the existing technology needs to be further improved and perfected. Summary of the Invention

[0004] The purpose of the present invention is to overcome the deficiencies of the existing technology and provide a front chest backpack with a stable structure for a mobile phone holder that liberates both hands.

[0005] The purpose of the present invention is achieved by the following technical solutions:

[0006] A front chest backpack with a stable structure for a mobile phone holder that liberates both hands mainly includes a main bag body, a secondary bag body, shoulder straps, adjustment straps, and a stable structure for the holder that loads a mobile phone and adjusts the flipping angle of the mobile phone. The secondary bag body is arranged on the main bag body and fixedly connected to the main bag body. The shoulder straps are arranged on the main bag body, and one end of each shoulder strap is snap-connected to one end of the adjustment strap. The other end of the adjustment strap is fixedly connected to the bottom of the main bag body. The stable structure for the holder is installed on the main bag body and fixedly connected to the main bag body.

[0007] Specifically, the main structure of the stable structure for the holder includes a support body, a loading device for loading and fixing the position of the mobile phone, and a flipping device for adjusting and positioning the flipping angle of the mobile phone. The loading device is arranged on the support body, and the mobile phone is placed in the loading device for fixation. One end of the support body is installed on the main bag body through the flipping device, so that the other end of the support body can be flipped up and down around the rotation fulcrum.

[0008] Furthermore, the flipping device mainly includes a first button, a rotating tube, a first protrusion, a positioning tube, a fixing tube, a rotating shaft, a first spring, a clamping block, and a supporting block. Both ends of the rotating tube are rotatably connected to the main bag body or the shoulder strap. One end of the supporting body is fixedly connected to the rotating tube, and the other end flips around the rotation center of the rotating tube. A plurality of the first protrusions are evenly distributed on the inner wall of the rotating tube in a circumferential manner, and a clamping groove for defining the flipping position of the supporting body is formed between the first protrusions. The positioning tube is sleeved inside the rotating tube, and its two ends are fixedly connected to the main bag body or the shoulder strap. The fixing tube is sleeved inside the positioning tube and is fixedly connected to the positioning tube. The rotating shaft is sleeved inside the fixing tube, one end of which is connected to the supporting block through the first spring, and the other end extends to the first button and is in transmission connection with the first button. The supporting block is located between the positioning tube and the fixing tube. The clamping block is arranged on the supporting block and is fixedly connected to the supporting block. A positioning slot is provided on the positioning tube. After the clamping block passes through the positioning slot under the thrust of the first spring, it is stuck in the clamping groove to realize the positioning of the supporting body.

[0009] As a preferred solution of the present invention, the outer wall of the first button is provided with a first transmission tooth, and the outer wall of the other end of the rotating shaft is provided with a second transmission tooth. The first button and the rotating shaft are perpendicular to each other. The first button and the rotating shaft are pushed to rotate through the engagement between the first transmission tooth and the second transmission tooth (similar to a rack and pinion mechanism).

[0010] As a preferred solution of the present invention, the supporting block is designed with an arc-shaped structure, and one side of the head of the clamping block adopts an arc structure. Such a design enables the supporting body to only flip upward but not downward without pressing the first button. If it is necessary to flip downward, the first button needs to be pressed to unlock.

[0011] Furthermore, the loading device mainly includes a second button, a second spring, a lever, a flipping cover, a fixing frame, and a loading plate. The loading plate is arranged on the supporting body and is fixedly connected to the supporting body, and a depression for loading a mobile phone is provided inside it. The fixing frame is arranged on the outer edge of the loading plate and is fixedly connected to the loading plate and the supporting body. The bottom of the flipping cover is rotatably connected to the fixing frame through a connecting shaft, and both sides of it are snap-connected to the fixing frame. The second button is arranged on the supporting body, and the bottom of it is fixedly connected to one end of the lever. The other end of the lever extends below the top of the flipping cover, and the button uses the lever effect of the lever to pry the flipping cover to realize the unlocking of the snap connection with the fixing frame. The second spring is arranged at the bottom of the second button to provide power for the reset of the second button.

[0012] As a preferred solution of the present invention, a limiting module for defining the top position of the mobile phone is further provided in the depression. The limiting modules are respectively arranged on both sides of the bottom of the depression and are fixedly connected to the loading plate. The side of the limiting module in contact with the mobile phone adopts a stepped structure design.

[0013] As a preferred embodiment of the present invention, the loading device further includes a guiding module for defining the position of the bottom of the mobile phone. The guiding module includes a third spring and a baffle. Guide grooves are also provided on both sides of the recess. The third spring is arranged in the groove, one end of which is fixed and the other end is connected to the baffle. The baffle is horizontally arranged in the recess, and both ends thereof are respectively connected to the third springs on both sides.

[0014] Preferably, the cross-section of the baffle adopts a right-angle structure so that it can be clamped on the bottom and the front of the mobile phone.

[0015] Furthermore, the chest backpack further includes fixing straps. The fixing straps are respectively arranged on both sides of the main bag body, one end of which is fixedly connected to the main bag body and the other end is connected by a buckle. The fixing straps can be tightened backward to protect the stable structure of the support, or can be tightened forward at the abdominal position of the user to further fix the backpack.

[0016] As a preferred embodiment of the present invention, in order to enable the user to operate the mobile phone screen through the flip cover, the position where the middle part of the flip cover of the present invention contacts the mobile phone screen is provided with a soft film.

[0017] The working process and principle of the present invention are as follows: During use, press the second button, and the top of the flip cover is lifted by the lever. Then, open the flip cover by hand, place the mobile phone in the recess of the loading plate, and operate the baffle to push the mobile phone downward into the limiting module, so as to relatively fix the position of the mobile phone in the recess and prevent the mobile phone from moving randomly when walking. Then, close the flip cover and lock it. Finally, turn up the support body upward to reach a suitable position to fix the position of the mobile phone, facilitating the user to watch the mobile phone content at any time without holding the mobile phone by hand. When it is necessary to retract, just press the first button to push the rotating shaft to rotate. The first spring twists along with the rotating shaft, and the clamping block retracts inward to release the restriction on the rotating tube and the first protrusion. The support body and the mobile phone automatically turn downward under the action of gravity to achieve storage. The present invention also has the advantages of simple structure, convenient operation and easy implementation.

[0018] Compared with the prior art, the present invention also has the following advantages:

[0019] (1) The mobile phone support shell of the chest backpack with a stable structure for the mobile phone bracket provided by the present invention, which liberates the hands, will be freely adjusted according to the size of the mobile phone under the action of the third spring. The shell can be opened with one key, and the mobile phone can be taken out and placed easily. Flip the mobile phone protection support shell to adjust the appropriate rotation angle, and when not in use, it can be retracted with one key.

[0020] (2) The leather material on the backpack cover of the chest backpack with a stable structure for the mobile phone bracket provided by the present invention is combined with metal and plastic to achieve the effect of firmly supporting the mobile phone. The spring in the mobile phone support shell on the backpack will adjust the size of the card slot according to the size of the mobile phone, and the mobile phone is fixed in the support shell.

[0021] (3) The protective support shell of the chest backpack with a mobile phone holder stable structure that liberates hands provided by the present invention protects the placed mobile phone, preventing water, dust, theft, and dropping.

[0022] (4) The flipping angle of the mobile phone support shell of the chest backpack with a mobile phone holder stable structure that liberates hands provided by the present invention is adjustable, and the mobile phone fixing groove is adjustable, with simple, convenient, and fast operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the chest backpack with a mobile phone holder stable structure that liberates hands provided by the present invention.

[0024] Figure 2 is a partial exploded view of the loading device provided by the present invention.

[0025] Figure 3 is a partial exploded view of the flipping device provided by the present invention.

[0026] Figure 4 is a side view of the chest backpack with a mobile phone holder stable structure that liberates hands provided by the present invention.

[0027] Figure 5 is a schematic diagram of the process of loading a mobile phone into the chest backpack with a mobile phone holder stable structure that liberates hands provided by the present invention.

[0028] Figure 6 is a schematic diagram of the flipping process of the chest backpack with a mobile phone holder stable structure that liberates hands provided by the present invention.

[0029] Figure 7 is a schematic diagram of the state where the chest backpack with a mobile phone holder stable structure that liberates hands is locked after being flipped to a suitable position Figure 1 .

[0030] Figure 8 is a schematic diagram of the state where the chest backpack with a mobile phone holder stable structure that liberates hands is locked after being flipped to a suitable position Figure 2 .

[0031] The reference numerals in the above drawings are explained as follows:

[0032] 1 - Main body, 2 - Sub - body, 3 - Shoulder strap, 4 - Adjusting strap, 5 - Bracket stabilizing structure, 6 - Support body, 7 - First button, 8 - Rotating tube, 9 - First protrusion, 10 - Positioning tube, 11 - Fixed tube, 12 - Rotating shaft, 13 - First spring, 14 - Clamping block, 15 - Supporting block, 16 - Card slot, 17 - Second button, 18 - Second spring, 19 - Lever, 20 - Flipping cover, 21 - Fixed frame, 22 - Loading plate, 23 - Depression, 24 - Limiting module, 25 - Third spring, 26 - Baffle, 27 - Fixed strap. Detailed implementation mode

[0033] To make the purpose, technical solution and advantages of the present invention clearer and more definite, the following further illustrates the present invention with reference to the accompanying drawings and by way of examples.

[0034] Example 1:

[0035] As Figures 1 to 8 shown, this example discloses a chest backpack with a mobile phone bracket stabilizing structure 5 that frees hands, mainly including a main body 1, a sub - body 2, a shoulder strap 3, an adjusting strap 4, and a bracket stabilizing structure 5 for loading a mobile phone and adjusting the flipping angle of the mobile phone. The sub - body 2 is arranged on the main body 1 and fixedly connected to the main body 1. The shoulder strap 3 is arranged on the main body 1, and one end of it is snap - connected to one end of the adjusting strap 4. The other end of the adjusting strap 4 is fixedly connected to the bottom of the main body 1. The bracket stabilizing structure 5 is installed on the main body 1 and fixedly connected to the main body 1.

[0036] Specifically, the main structure of the bracket stabilization mainly includes a support body 6, a loading device for loading and fixing the position of the mobile phone, and a flipping device for adjusting and positioning the flipping angle of the mobile phone. The loading device is arranged on the support body 6, and the mobile phone is placed in the loading device for fixation. One end of the support body 6 is installed on the main body 1 through the flipping device, so that the other end of the support body 6 can flip up and down around the rotation fulcrum.

[0037] Furthermore, the flipping device mainly includes a first button 7, a rotating tube 8, a first protrusion 9, a positioning tube 10, a fixed tube 11, a rotating shaft 12, a first spring 13, a clamping block 14, and a supporting block 15. Both ends of the rotating tube 8 are rotatably connected to the main bag body 1 or the shoulder strap 3 respectively. One end of the support body 6 is fixedly connected to the rotating tube 8, and the other end flips around the rotation center of the rotating tube 8. A plurality of the first protrusions 9 are evenly distributed along the circumference on the inner wall of the rotating tube 8, and a clamping groove 16 for defining the flipping position of the support body 6 is formed between the first protrusions 9. The positioning tube 10 is sleeved inside the rotating tube 8, and its two ends are fixedly connected to the main bag body 1 or the shoulder strap 3. The fixed tube 11 is sleeved inside the positioning tube 10 and is fixedly connected to the positioning tube 10. The rotating shaft 12 is sleeved inside the fixed tube 11, one end of which is connected to the supporting block 15 through the first spring 13, and the other end extends to the first button 7 and is in transmission connection with the first button 7. The supporting block 15 is located between the positioning tube 10 and the fixed tube 11. The clamping block 14 is arranged on the supporting block 15 and is fixedly connected to the supporting block 15. A positioning slot is provided on the positioning tube 10. After the clamping block 14 passes through the positioning slot under the thrust of the first spring 13, it is stuck in the clamping groove 16 to realize the positioning of the support body 6.

[0038] As a preferred solution of the present invention, the outer wall of the first button 7 is provided with a first transmission tooth, and the outer wall of the other end of the rotating shaft 12 is provided with a second transmission tooth. The first button 7 and the rotating shaft 12 are perpendicular to each other. The first button 7 and the rotating shaft 12 are pushed to rotate through the meshing between the first transmission tooth and the second transmission tooth (similar to a rack and pinion mechanism).

[0039] As a preferred solution of the present invention, the supporting block 15 is designed with an arc-shaped structure, and one side of the head of the clamping block 14 is designed with an arc structure. Such a design enables the support body 6 to only flip upward but not downward without pressing the first button 7. If it is necessary to flip downward, the first button 7 needs to be pressed to release the lock.

[0040] Further, the loading device mainly includes a second button 17, a second spring 18, a lever 19, a flip cover 20, a fixing frame 21, and a loading plate 22. The loading plate 22 is arranged on the support body 6 and fixedly connected to the support body 6, and is provided with a recess 23 for loading the mobile phone therein. The fixing frame 21 is arranged on the outer edge of the loading plate 22 and fixedly connected to the loading plate 22 and the support body 6. The bottom of the flip cover 20 is pivotally connected to the fixing frame 21 through a connecting shaft, and its two sides are snap-connected to the fixing frame 21. The second button 17 is arranged on the support body 6, and the bottom of the second button 17 is fixedly connected to one end of the lever 19. The other end of the lever 19 extends below the top of the flip cover 20, and the flip cover 20 is pried by using the lever effect of the lever 19 through the button to realize the unlocking of the snap connection with the fixing frame 21. The second spring 18 is arranged at the bottom of the second button 17 to provide power for the reset of the second button 17.

[0041] As a preferred solution of the present invention, a limiting module 24 for defining the top position of the mobile phone is further arranged in the recess 23. The limiting modules 24 are respectively arranged at both sides of the bottom of the recess 23 and fixedly connected to the loading plate 22. The side of the limiting module 24 in contact with the mobile phone adopts a stepped structure design.

[0042] As a preferred solution of the present invention, the loading device further includes a guiding module for defining the bottom position of the mobile phone. The guiding module includes a third spring 25 and a baffle 26. Guiding grooves are further arranged on both sides of the recess 23. The third spring 25 is arranged in the groove, one end of which is fixed and the other end is connected to the baffle 26. The baffle 26 is horizontally arranged in the recess 23, and both ends of the baffle 26 are respectively connected to the third springs 25 on both sides.

[0043] Preferably, the cross section of the baffle 26 adopts a right-angle structure so that it is clamped on the bottom and the front of the mobile phone.

[0044] Further, the chest backpack further includes a fixing strap 27. The fixing straps 27 are respectively arranged on both sides of the main bag body 1, one end of which is fixedly connected to the main bag body 1 and the other end is snap-connected. The fixing strap 27 can be tightened backward to protect the stable structure 5 of the bracket, or can be tightened forward at the abdominal position of the user to realize further fixation of the backpack.

[0045] As a preferred solution of the present invention, in order to enable the user to operate the mobile phone screen through the flip cover 20, the position of the middle part of the flip cover 20 in contact with the mobile phone screen is set as a soft film.

[0046] The working process and principle of the present invention are as follows: When in use, press the second button 17, and the top of the flip cover 20 is lifted by the lever 19. Then, open the flip cover 20 by hand, place the mobile phone into the recess 23 of the loading plate 22, and operate the baffle 26 to push the mobile phone downward into the limit module 24, so as to relatively fix the position of the mobile phone in the recess 23 and prevent the mobile phone from moving randomly when walking. Then, close the flip cover 20 and lock it. Finally, turn up the support body 6 to a suitable position to fix the position of the mobile phone, facilitating the user to watch the content of the mobile phone at any time without holding the mobile phone by hand. When it needs to be retracted, just press the first button 7 to push the rotating shaft 12 to rotate. The first spring 13 twists along with the rotating shaft 12, and the clamping block 14 retracts inward to release the restriction on the rotating tube 8 and the first protrusion 9. The support body 6 and the mobile phone automatically turn downward under the action of gravity to achieve storage. The present invention also has the advantages of simple structure, convenient operation, and easy implementation.

[0047] The above embodiments are the preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention shall be equivalent replacement methods and are all included in the protection scope of the present invention.

Claims

1. A chest backpack with a hands-free mobile phone holder stable structure, Characterized in that, it includes a main bag body, a secondary bag body, shoulder straps, adjustment straps, and a holder stable structure for loading a mobile phone and adjusting the flipping angle of the mobile phone; the secondary bag body is arranged on the main bag body and fixedly connected to the main bag body; the shoulder straps are arranged on the main bag body, and one end of the shoulder straps is snap-connected to one end of the adjustment strap; the other end of the adjustment strap is fixedly connected to the bottom of the main bag body; the holder stable structure is installed on the main bag body and fixedly connected to the main bag body; the holder stable structure includes a support body, a loading device for loading and fixing the position of the mobile phone, and a flipping device for adjusting and positioning the flipping angle of the mobile phone; the loading device is arranged on the support body, and the mobile phone is placed in the loading device for fixation; one end of the support body is installed on the main bag body through the flipping device, so that the other end of the support body can be flipped up and down around the rotation fulcrum; the flipping device includes a first button, a rotating tube, a first protrusion, a positioning tube, a fixing tube, a rotating shaft, a first spring, a clamping block, and a supporting block; both ends of the rotating tube are rotatably connected to the main bag body or the shoulder straps respectively; one end of the support body is fixedly connected to the rotating tube, and the other end flips around the rotation center of the rotating tube; several first protrusions are evenly distributed around the circumference on the inner wall of the rotating tube, and a clamping groove for defining the flipping position of the support body is formed between the first protrusions; the positioning tube is sleeved inside the rotating tube, and both ends of the positioning tube are fixedly connected to the main bag body or the shoulder straps; the fixing tube is sleeved inside the positioning tube and fixedly connected to the positioning tube; the rotating shaft is sleeved inside the fixing tube, one end of the rotating shaft is connected to the supporting block through the first spring, and the other end extends to the first button and is in transmission connection with the first button; the supporting block is located between the positioning tube and the fixing tube; the clamping block is arranged on the supporting block and fixedly connected to the supporting block; a positioning slot is arranged on the positioning tube, and after the clamping block passes through the positioning slot under the thrust of the first spring, it is stuck in the clamping groove to realize the positioning of the support body; It further includes fixing straps; the fixing straps are respectively arranged on both sides of the main bag body, one end of the fixing straps is fixedly connected to the main bag body, and the other end is snap-connected.

2. The chest backpack with a hands-free mobile phone holder stable structure according to claim 1, Characterized in that, the outer wall of the first button is provided with a first transmission tooth, and the outer wall of the other end of the rotating shaft is provided with a second transmission tooth; the first button and the rotating shaft are pushed to rotate through the engagement between the first transmission tooth and the second transmission tooth.

3. The chest backpack with a hands-free mobile phone holder stable structure according to claim 1, Characterized in that, the supporting block is designed with an arc structure, and one side of the head of the clamping block is in an arc structure.

4. The chest backpack with a hands-free mobile phone holder stable structure according to claim 1, Characterized in that, The loading device includes a second button, a second spring, a lever, a flip cover, a fixed frame, and a loading plate; the loading plate is arranged on the support body and fixedly connected to the support body, and is provided with a recess for loading a mobile phone therein; the fixed frame is arranged on the outer edge of the loading plate and fixedly connected to the loading plate and the support body; the bottom of the flip cover is rotatably connected to the fixed frame through a connecting shaft, and both sides thereof are snap-connected to the fixed frame; the second button is arranged on the support body, and the bottom thereof is fixedly connected to one end of the lever; the other end of the lever extends below the top of the flip cover, and the flip cover is pried by using the lever effect of the button through the lever to realize the unlocking of the snap connection with the fixed frame; the second spring is arranged at the bottom of the second button to provide power for the reset of the second button.

5. The chest backpack with a stable structure of a mobile phone holder for freeing hands according to claim 4, wherein, a limiting module for limiting the top position of the mobile phone is further arranged in the recess; the limiting modules are respectively arranged at both sides of the bottom of the recess and fixedly connected to the loading plate; one side of the limiting module in contact with the mobile phone is designed with a stepped structure.

6. The chest backpack with a stable structure of a mobile phone holder for freeing hands according to claim 4, wherein, the loading device further includes a guiding module for limiting the bottom position of the mobile phone; the guiding module includes a third spring and a baffle; guiding grooves are further arranged on both sides of the recess; the third spring is arranged in the guiding groove, one end of which is fixed and the other end is connected to the baffle; the baffle is horizontally arranged in the recess, and both ends thereof are respectively connected to the third springs on both sides.

7. The chest backpack with a stable structure of a mobile phone holder for freeing hands according to claim 6, wherein, the cross section of the baffle is in a right angle structure so as to be clamped on the bottom and the front of the mobile phone.

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