Protective portable communication equipment

Abstract

The invention belongs to the technical field of communication equipment, and discloses protective portable communication equipment which comprises a protective shell, supporting legs are symmetrically mounted at the lower end of the protective shell, a handle is rotatably connected to the upper end of the protective shell, the protective shell is provided with a side cover plate, and a communication module is mounted at the left side end of the side cover plate. The side cover plate is clamped with the protective shell, the communication module is embedded into the protective shell, a first supporting frame is arranged at the upper end of the side cover plate, a second supporting frame is connected to the lower end of the side cover plate, and sliding guide pipes are connected to the left sides of the first supporting frame and the second supporting frame. According to the protection type portable communication equipment, through the arrangement of the protection shell, the communication module can be stored and protected when the equipment is carried, the conditions of collision and the like when the equipment is carried are avoided, the stored communication module also has a relatively good protection effect in severe weather, the communication module can be directly taken out from the interior of the protection shell when the equipment is used, and the operation is simple and convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of communication equipment, in particular to a protective portable communication equipment. Background Art

[0002] Communication equipment includes wired communication equipment and wireless communication equipment used in industrial control environments. Wired communication equipment mainly introduces solutions to serial communication, professional bus communication, industrial Ethernet communication and conversion equipment between various communication protocols in industrial sites. Wireless communication equipment mainly includes wireless AP, wireless bridge, wireless network card, wireless lightning arrester, antenna and other equipment. Wireless communication refers to communication that does not require physical connection lines, that is, a communication method that uses the characteristics of electromagnetic wave signals that can propagate in free space to exchange information.

[0003] However, there are still some problems when using existing protective portable communication devices: There is a single-soldier backpack communication station with Chinese patent application number CN202321238658.7, which includes a bracket, a communication station body and a fixed seat. A fixing frame is provided on one side of the bracket, and a fixing structure is fixed at both ends of one side of the fixing frame. The fixing structure includes a mounting seat, a threaded column and a handle. The mounting seat is provided at both ends of one side of the fixing frame, and the communication station body is fixed on one side of the fixing structure. Although the existing communication equipment also adopts a backpack method to improve the convenience of carrying, the communication module is exposed to the outside when the equipment is carried, and it is easy to be damaged due to bumps and the like when it is carried, and it is also easy to be damaged if encountering bad weather, and the protection effect of the communication module is poor.

[0004] In view of the above problems, an innovative design is carried out on the basis of the original protective portable communication equipment. Summary of the invention

[0005] The purpose of the present invention is to provide a protective portable communication device to solve the problem that the communication module of the existing communication device is exposed to the outside when carried, which is easily damaged in bad weather, and it is easy to be damaged due to unavoidable bumps when carried.

[0006] To achieve the above object, the present invention provides the following technical solution: a protective portable communication device, comprising a protective housing: The lower end of the protective shell is symmetrically equipped with supporting feet, and the upper end of the protective shell is rotatably connected with a handle, the protective shell is provided with a side cover plate, and a communication module is installed on the left end of the side cover plate, the side cover plate is engaged with the protective shell, and the communication module is embedded in the protective shell; The upper end of the side cover plate is provided with a first support frame, and the lower end of the side cover plate is connected to a second support frame, the left sides of the first support frame and the second support frame are both connected to a sliding guide tube, a sliding guide rod is embedded in the sliding guide tube, and the left side of the sliding guide rod is connected to the inner wall of the protective shell; The side cover plate is provided with a mounting groove on the right side, and a side handle is rotatably connected inside the mounting groove, a limit rod is slidably connected inside the protective shell, and a return spring is sleeved outside the limit rod, a limit block is arranged inside the protective shell, and a positioning hole is provided on the inner side end of the limit block, and the positioning hole and the limit rod form a snap-fit ​​structure; A shoulder strap is provided on the left side of the protective shell, a guide groove is provided on the upper end of the protective shell, and the upper end of the shoulder strap extends into the guide groove, a positioning plate is fixed to the upper end of the protective shell, and a fixing frame is fixed to the right side of the positioning plate, a winding roller is connected to the right end of the fixing frame, and the upper end of the shoulder strap is connected to the winding roller; A generator motor is connected to the middle of the right side of the positioning plate, and a driven gear is connected to the left shaft end of the generator motor. A transmission flywheel is arranged at the lower end of the positioning plate, and a driving gear is connected to the left end of the transmission flywheel.

[0007] Preferably, two groups of the sliding guide tubes and the sliding guide rods are provided, and the sliding guide tubes and the sliding guide rods are symmetrically distributed on the front and rear sides of the left and right central axes of the side cover plates, and the sliding guide tubes and the sliding guide rods are slidably connected.

[0008] By adopting the above technical solution, through the cooperation of multiple sets of sliding guide rod tubes and sliding guide rods, the horizontal movement of the first and second support frames can be supported, so as to maintain the stability of the side cover plate and the communication module during movement.

[0009] Preferably, the communication module is bolted to the side cover plate, a damping shaft is connected between the upper end of the side cover plate and the first support frame, and a damping shaft is connected between the lower end of the side cover plate and the second support frame, and an auxiliary support plate is connected to the lower end of the second support frame.

[0010] By adopting the above technical solution and designing the damping shaft, it is easy to position the opposite cover plate and the communication module after they are rotated without applying a rotational force, thereby preventing the rotation of the operating part from affecting normal use.

[0011] Preferably, two groups of limit blocks are provided, and the limit blocks are symmetrically distributed before and after the left and right central axes of the protective shell, and the limit blocks are fixedly connected to the inner wall of the protective shell, the limit rod is slidably connected to the side cover plate, and the inner and outer sides of the return spring are respectively connected to the limit rod and the inner wall of the side cover plate, and the limit rod extends to the outside of the side cover plate and is snap-fitted with a positioning hole.

[0012] By adopting the above technical solution, the limit rod can be pushed to move toward the inside of the side cover by the reset spring. When the side cover is engaged with the protective shell, a thrust can be applied to make the limit rod cooperate with the positioning hole, so as to position the movement of the side cover and the communication module and ensure the stability of the portability. When the movement inside the limit rod is not restricted, the reset spring can push the limit rod to reset and release the cooperation between the positioning hole and the limit rod.

[0013] Preferably, the limit rod is symmetrically distributed on both sides of the front and rear of the left and right central axis of the side cover plate, the upper and lower ends of the side handle extend into the inside of the side cover plate, and the upper and lower ends of the side handle are connected with cams, and the outer wall of the cam is in contact with the limit rod, and the upper and lower sides of the side handle are provided with first torsion springs, and the two sides of the first torsion spring are respectively connected to the side handle and the inner wall of the side cover plate.

[0014] By adopting the above technical solution, the side handle can be kept stored in the installation groove by the first torsion spring, and when the side handle is stored in the installation groove, the cams connected at both ends can push the limit rod to move outside the side cover plate. When the side handle is rotated to unfold, the cam rotates to release the thrust applied to the limit rod, so that the limit rod is reset and the engagement with the positioning hole is released.

[0015] Preferably, a connecting plate is fixed to the lower end of the protective shell, and the lower end of the shoulder strap is fixed to the connecting plate, the winding roller is rotatably connected to the fixed frame, and a transmission gear is connected to the side of the winding roller, a transmission rack is connected to the side of the sliding guide tube, and the transmission rack is meshingly connected to the transmission gear, a supporting roller is connected to the upper right end of the fixed frame, and the supporting roller is in contact with the lower end surface of the shoulder strap.

[0016] By adopting the above technical solution, the winding roller and the support roller can be installed through the connecting plate and the fixing frame. When the sliding guide tube moves toward the outside of the protective shell, the transmission rack is used to drive the transmission gear and the winding roller to rotate. The winding roller rotates to reel in the shoulder strap, so as to prevent the shoulder strap from falling on the ground and causing dirt during operation, and from tripping when people walk. When the communication module is stored in the protective shell and carried, the shoulder strap is automatically unfolded for use.

[0017] Preferably, a guide roller is provided at the lower end of the guide groove, and the guide roller is rotatably connected to the inner wall of the guide groove, a reset roller is rotatably connected to the inner wall of the upper end of the guide groove, and a second torsion spring is sleeved on both ends of the reset roller, and the two ends of the second torsion spring are respectively connected to the reset roller and the inner wall of the guide groove, the guide rollers are provided in two groups, and the guide rollers are symmetrically distributed on the left and right sides of the reset roller, and the upper and lower sides of the shoulder strap are respectively in contact with the reset roller and the guide roller.

[0018] By adopting the above technical solution, the cooperation of the guide roller and the reset roller can avoid the wear caused by the friction between the strap and the protective shell when the strap is wound up, and the reset roller can be driven to rotate when the strap is wound up. By utilizing the design of the second torsion spring, when the strap is unwound, the second torsion spring drives the reset roller to rotate in the opposite direction, thereby improving the smoothness of the unwinding of the strap.

[0019] Preferably, the left inner wall of the protective shell is rotatably connected to a transmission shaft, and the transmission shaft is connected to a transmission flywheel, the driving gear is connected to the left side of the transmission shaft, and the upper end of the driving gear is meshedly connected to the driven gear.

[0020] Preferably, the driving gear has a larger diameter than the driven gear, and the interior of the driving gear is hollowed out, and the transmission flywheel is fan-shaped.

[0021] By adopting the above technical solution, through the cooperation of the driving gear and the driven gear, when the communication device is carried on the back, the bumps generated during the person's movement can drive the transmission flywheel to rotate, and the transmission of the driving gear and the driven gear can drive the generator motor to rotate to generate electricity.

[0022] Compared with the prior art, the beneficial effects of the present invention are: the protective portable communication device.

[0023] 1. By setting up a protective shell, the communication module can be stored and protected when carrying to avoid bumps and other situations when carrying. In addition, if there is bad weather, the stored communication module also has a good protection effect. When using, the communication module can be directly taken out from the protective shell, which is simple and convenient to operate; 2. By setting up a linkage structure, the shoulder strap can be stored before use. When the communication module is pulled out from the protective shell, the shoulder strap can be rolled up using the winding structure to prevent the shoulder strap from falling on the ground and causing dirt. At the same time, it can also prevent the operator from touching the shoulder strap when walking nearby, causing stumbling and injury, and causing damage to the communication equipment during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the protective housing and handle structure of the present invention; Figure 3 This is a schematic diagram of the structure in which the communication module of the present invention moves to the outside of the protective housing; Figure 4 It is a schematic diagram of the protective shell and shoulder strap structure of the present invention; Figure 5 It is a schematic diagram of the structure of the sliding guide tube and the sliding guide rod of the present invention; Figure 6 It is a schematic diagram of the structure of the second support frame and the auxiliary support plate of the present invention; Figure 7 It is a schematic diagram of the side handle and cam structure of the present invention; Figure 8 It is a schematic diagram of the structure of the driving gear and the driven gear of the present invention; Fig. 9 It is a schematic diagram of the structure of the driving gear and the transmission flywheel of the present invention; Fig.10 For the present invention Figure 5 Enlarged structural diagram at A in the middle.

[0025] In the figure: 1. protective shell; 2. supporting feet; 3. handle; 4. side cover; 5. communication module; 6. first supporting frame; 7. second supporting frame; 8. sliding guide tube; 9. sliding guide rod; 10. auxiliary supporting plate; 11. damping shaft; 12. mounting slot; 13. side handle; 14. limit rod; 15. reset spring; 16. limit block; 17. positioning hole; 18. cam; 19. first torsion spring; 20. shoulder strap; 21. connecting plate; 22. positioning plate; 23. fixing frame; 24. winding roller; 25. supporting roller; 26. guide roller; 27. reset roller; 28. second torsion spring; 29. ​​transmission gear; 30. transmission rack; 31. transmission shaft; 32. transmission flywheel; 33. driving gear; 34. generator motor; 35. driven gear; 36. guide slot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 9The present invention provides a technical solution: a protective portable communication device, comprising a protective shell 1, a supporting foot 2 is symmetrically installed at the lower end of the protective shell 1, and a handle 3 is rotatably connected to the upper end of the protective shell 1, the protective shell 1 is provided with a side cover plate 4, and a communication module 5 is installed at the left end of the side cover plate 4, the side cover plate 4 is engaged with the protective shell 1, and the communication module 5 is embedded in the protective shell 1; a first support frame 6 is provided at the upper end of the side cover plate 4, and a second support frame 7 is connected to the lower end of the side cover plate 4, and a sliding guide tube 8 is connected to the left side of the first support frame 6 and the second support frame 7, and a sliding guide tube 8 is embedded in the sliding guide tube 8. A sliding guide rod 9 is connected to the inner wall of the protective shell 1 on the left side; two groups of sliding guide tubes 8 and sliding guide rods 9 are provided, and the sliding guide tubes 8 and sliding guide rods 9 are symmetrically distributed on the front and rear sides of the left and right central axis of the side cover plate 4, and the sliding guide tubes 8 are slidably connected to the sliding guide rods 9; the communication module 5 is bolted to the side cover plate 4, and a A damping shaft 11 is provided, and a damping shaft 11 is connected between the lower end of the side cover plate 4 and the second support frame 7, and an auxiliary support plate 10 is connected to the lower end of the second support frame 7; the communication module 5 utilizes the setting of the protective shell 1, the side cover plate 4 and other structures to wrap and protect the whole when carrying, thereby improving safety; multiple sets of sliding guide rods 9 and sliding guide tubes 8 are used to respectively connect the first support frame 6 and the second support frame 7, and provide support for the side cover plate 4 and the communication module 5 as a slide rail structure; when the communication device needs to be used, the sliding guide tube 8 and the sliding guide rod 9 are displaced to move the side cover plate 4 to the right and drive the communication module 5 to move to the outside of the protective shell 1; in order to facilitate the operation of the communication module 5, two sets of damping shafts 11 are used to connect the side cover plate 4, the first support frame 6 and the second support frame 7; the side cover plate 4 and the communication module 5 can be rotated to a suitable angle during operation, and the damping shaft 11 can provide rotational damping to maintain stability when operating the communication module 5, and avoid rotation affecting the operation during pressing.

[0028] A mounting groove 12 is provided on the right side of the side cover plate 4, and a side handle 13 is rotatably connected inside the mounting groove 12, a limiting rod 14 is slidably connected inside the protective shell 1, and a return spring 15 is sleeved on the outside of the limiting rod 14, a limiting block 16 is provided inside the protective shell 1, and a positioning hole 17 is provided on the inner side end of the limiting block 16, and the positioning hole 17 and the limiting rod 14 form a snap-fit ​​structure; two groups of limiting blocks 16 are provided, and the limiting blocks 16 are symmetrically distributed before and after the left and right central axis of the protective shell 1, and the limiting blocks 16 are fixedly connected to the inner wall of the protective shell 1, and the limiting blocks 16 are fixedly connected to the inner wall of the protective shell 1. The positioning rod 14 is slidably connected to the side cover plate 4, and the inner and outer sides of the return spring 15 are respectively connected to the limiting rod 14 and the inner wall of the side cover plate 4, and the limiting rod 14 extends to the outside of the side cover plate 4 and has a positioning hole 17 for clamping connection; the limiting rod 14 is symmetrically distributed on the front and rear sides of the left and right central axis of the side cover plate 4, and the upper and lower ends of the side handle 13 extend to the inside of the side cover plate 4, and the upper and lower ends of the side handle 13 are connected to cams 18, and the outer wall of the cam 18 contacts the limiting rod 14, and the upper and lower sides of the side handle 13 are provided with first torsion springs 19, and the two sides of the first torsion spring 19 are respectively connected to The side handle 13 is connected to the inner wall of the side cover 4; through the cooperation of the protective shell 1 and the side cover 4, the communication module 5 is protected when being carried. In order to improve the stability of the protective structure, a limiting structure is set to limit the movement of the side cover 4. The first torsion spring 19 is used to drive the side handle 13 to rotate and be stored in the installation groove 12. When the side handle 13 is stored in the installation groove 12, the cams 18 at the upper and lower ends thereof push the two groups of limiting rods 14 to move to the outside of the side cover 4. When the side cover 4 is engaged with the protective shell 1, the limiting rods 14 can extend outwards and can be engaged with the protective shell 1. The positioning hole 17 is engaged, thereby limiting the movement of the side cover 4. When the communication module 5 needs to be taken out for use, the side handle 13 can be flipped to allow the cam 18 to rotate synchronously, and the cam 18 releases the outward squeezing of the limit rod 14, so that the return spring 15 is used to push the limit rod 14 to retract and reset inside the side cover 4. The side handle 13 can be directly pulled to take out the communication module 5. The operation is simple and convenient. Because the elastic force of the first torsion spring 19 is greater than the return spring 15, when no rotational force is applied to the side handle 13, the limit rod 14 can be reliably positioned.

[0029] A shoulder strap 20 is arranged on the left side of the protective shell 1, a guide groove 36 is opened at the upper end of the protective shell 1, and the upper end of the shoulder strap 20 extends into the guide groove 36, a positioning plate 22 is fixed to the upper end of the inner part of the protective shell 1, and a fixing frame 23 is fixed to the right side of the positioning plate 22, a winding roller 24 is connected to the right end of the fixing frame 23, and the upper end of the shoulder strap 20 is connected to the winding roller 24; a connecting plate 21 is fixed to the lower end of the protective shell 1, and the lower end of the shoulder strap 20 is fixed to the connecting plate 21, the winding roller 24 is rotatably connected to the fixing frame 23, and a transmission gear 29 is connected to the side of the winding roller 24, A transmission rack 30 is connected to the side of the sliding guide tube 8, and the transmission rack 30 is meshed with the transmission gear 29. A support roller 25 is connected to the upper end of the right side of the fixed frame 23, and the support roller 25 is in contact with the lower end surface of the shoulder strap 20; a guide roller 26 is provided at the lower end of the guide groove 36, and the guide roller 26 is rotatably connected to the inner wall of the guide groove 36, and a reset roller 27 is rotatably connected to the inner wall of the upper end of the guide groove 36, and a second torsion spring 28 is sleeved at both ends of the reset roller 27, and the two ends of the second torsion spring 28 are respectively connected to the reset roller 27 and the inner wall of the guide groove 36, and the guide roller 26 is provided There are two groups of guide rollers 26 symmetrically distributed on the left and right sides of the reset roller 27, and the upper and lower sides of the shoulder strap 20 are in contact with the reset roller 27 and the guide roller 26 respectively; when carrying the communication device, the shoulder strap 20 can be carried by the two groups of shoulder straps 20. In order to avoid the shoulder strap 20 from falling on the ground and causing dirt when operating and using the communication device, and to prevent people from tripping and getting injured when walking, or causing damage to the device, the shoulder strap 20 can be stored when operating the communication module 5. When the side cover 4 moves to the right, the sliding guide tube 8 is used to drive the transmission rack 30 to move synchronously, and the transmission rack 30 moves When the communication module 5 is stored, the transmission rack 30 drives the transmission gear 29 and the winding roller 24 to rotate synchronously, thereby completing the storage of the strap 20. Because the guide roller 26 and the reset roller 27 are in contact with the strap 20, the reset roller 27 can be driven to rotate during the winding and unwinding process of the strap 20. When the communication module 5 is stored, the transmission rack 30 drives the transmission gear 29 and the winding roller 24 to rotate in the opposite direction to unwind, thereby avoiding the unwinding jam of the strap 20. The cooperation of the second torsion spring 28 and the reset roller 27 is utilized to accumulate rotational potential energy during winding, and the direction rotation during unwinding improves the unwinding smoothness of the strap 20. A generator motor 34 is connected to the middle part of the right side of the positioning plate 22, and a driven gear 35 is connected to the left shaft end of the generator motor 34, a transmission flywheel 32 is arranged at the lower end of the positioning plate 22, and a driving gear 33 is connected to the left end of the transmission flywheel 32; a transmission shaft 31 is rotatably connected to the inner wall of the left side of the protective shell 1, and the transmission shaft 31 is connected to the transmission flywheel 32, the driving gear 33 is connected to the left side of the transmission shaft 31, and the upper end of the driving gear 33 is meshed and connected with the driven gear 35; the driving gear 33 has a larger diameter than the driven gear 35, and the interior of the driving gear 33 is hollowed out, and the transmission flywheel 32 is a fan-shaped structure design; through the design of the transmission flywheel 32, power can be generated during the process of carrying the device, the device can be supplemented with electric energy, and it can adapt to the use of outdoor environments, and the bumps generated during the carrying and traveling can be reasonably used to drive the flywheel to rotate, and the acceleration structure composed of the driving gear 33 and the driven gear 35 can be used to drive the generator motor 34 to rotate and generate electricity.

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the present invention have been shown and described, it is understood by ordinary technicians in the field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A protective portable communication device, comprising a protective housing (1), characterized in that: The lower end of the protective shell (1) is symmetrically provided with supporting feet (2), and the upper end of the protective shell (1) is rotatably connected with a handle (3), the protective shell (1) is provided with a side cover plate (4), and a communication module (5) is installed on the left end of the side cover plate (4), the side cover plate (4) is engaged with the protective shell (1), and the communication module (5) is embedded in the protective shell (1); The upper end of the side cover plate (4) is provided with a first support frame (6), and the lower end of the side cover plate (4) is connected to a second support frame (7), the left sides of the first support frame (6) and the second support frame (7) are both connected to a sliding guide tube (8), a sliding guide rod (9) is embedded in the sliding guide tube (8), and the left side of the sliding guide rod (9) is connected to the inner wall of the protective shell (1); The side cover plate (4) is provided with a mounting groove (12) on the right side, and a side handle (13) is rotatably connected inside the mounting groove (12), a limit rod (14) is slidably connected inside the protective housing (1), and a return spring (15) is sleeved outside the limit rod (14), a limit block (16) is provided inside the protective housing (1), and a positioning hole (17) is provided at the inner side end of the limit block (16), and the positioning hole (17) and the limit rod (14) form a snap-fit ​​structure; A shoulder strap (20) is arranged on the left side of the protective shell (1), a guide groove (36) is opened at the upper end of the protective shell (1), and the upper end of the shoulder strap (20) extends into the guide groove (36), a positioning plate (22) is fixed to the upper end of the protective shell (1), and a fixing frame (23) is fixed to the right side of the positioning plate (22), a winding roller (24) is connected to the right end of the fixing frame (23), and the upper end of the shoulder strap (20) is connected to the winding roller (24); A generator motor (34) is connected to the middle of the right side of the positioning plate (22), and a driven gear (35) is connected to the left shaft end of the generator motor (34). A transmission flywheel (32) is provided at the lower end of the positioning plate (22), and a driving gear (33) is connected to the left end of the transmission flywheel (32).

2. A protective portable communication device according to claim 1, characterized in that: The sliding guide tubes (8) and the sliding guide rods (9) are each provided in two groups, and the sliding guide tubes (8) and the sliding guide rods (9) are symmetrically distributed on the front and rear sides of the left and right central axis of the side cover plate (4), and the sliding guide tubes (8) and the sliding guide rods (9) are slidably connected.

3. A protective portable communication device according to claim 2, characterized in that: The communication module (5) is bolted to the side cover plate (4); a damping shaft (11) is connected between the upper end of the side cover plate (4) and the first support frame (6); a damping shaft (11) is connected between the lower end of the side cover plate (4) and the second support frame (7); and an auxiliary support plate (10) is connected to the lower end of the second support frame (7).

4. A protective portable communication device according to claim 1, characterized in that: The limit blocks (16) are provided in two groups, and the limit blocks (16) are symmetrically distributed in front of and behind the left and right central axis of the protective shell (1), and the limit blocks (16) are fixedly connected to the inner wall of the protective shell (1), the limit rod (14) is slidably connected to the side cover plate (4), and the inner and outer sides of the return spring (15) are respectively connected to the limit rod (14) and the inner wall of the side cover plate (4), and the limit rod (14) extends to the outside of the side cover plate (4) and is snap-connected with a positioning hole (17).

5. A protective portable communication device according to claim 4, characterized in that: The limiting rod (14) is symmetrically distributed on both sides of the left and right central axis of the side cover plate (4), the upper and lower ends of the side handle (13) extend into the inside of the side cover plate (4), and the upper and lower ends of the side handle (13) are connected to cams (18), and the outer wall of the cam (18) contacts the limiting rod (14), and the upper and lower sides of the side handle (13) are provided with first torsion springs (19), and the two sides of the first torsion spring (19) are respectively connected to the side handle (13) and the inner wall of the side cover plate (4).

6. A protective portable communication device according to claim 1, characterized in that: A connecting plate (21) is fixed to the lower end of the protective shell (1), and the lower end of the shoulder strap (20) is fixed to the connecting plate (21); the winding roller (24) is rotatably connected to the fixed frame (23), and a transmission gear (29) is connected to the side of the winding roller (24); a transmission rack (30) is connected to the side of the sliding guide tube (8), and the transmission rack (30) is meshingly connected to the transmission gear (29); a support roller (25) is connected to the upper right end of the fixed frame (23), and the support roller (25) is in contact with the lower end surface of the shoulder strap (20).

7. A protective portable communication device according to claim 6, characterized in that: A guide roller (26) is provided at the lower end of the guide groove (36), and the guide roller (26) is rotatably connected to the inner wall of the guide groove (36). A reset roller (27) is rotatably connected to the inner wall of the upper end of the guide groove (36), and second torsion springs (28) are sleeved at both ends of the reset roller (27), and both ends of the second torsion spring (28) are respectively connected to the reset roller (27) and the inner wall of the guide groove (36). Two groups of guide rollers (26) are provided, and the guide rollers (26) are symmetrically distributed on the left and right sides of the reset roller (27), and the upper and lower sides of the shoulder strap (20) are respectively in contact with the reset roller (27) and the guide roller (26).

8. A protective portable communication device according to claim 1, characterized in that: A transmission shaft (31) is rotatably connected to the inner wall of the left side of the protective housing (1), and the transmission shaft (31) is connected to a transmission flywheel (32). The driving gear (33) is connected to the left side of the transmission shaft (31), and the upper end of the driving gear (33) is meshingly connected to a driven gear (35).

9. A protective portable communication device according to claim 8, characterized in that: The driving gear (33) has a larger diameter than the driven gear (35), and the interior of the driving gear (33) is hollowed out, while the transmission flywheel (32) is fan-shaped.

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