A mine-used intrinsically safe handheld terminal with protection

Abstract

The application discloses a mine-used intrinsic safety handheld terminal with protection and belongs to the technical field of mine-used intrinsic safety handheld terminals, which comprises a handheld terminal device main body, a charging port is arranged at one end of the handheld terminal device main body, a protection mechanism is arranged in the charging port, and a rear cover is arranged at the rear end of the handheld terminal device main body. The handheld terminal device main body is placed into a placing groove of a protection shell through the arrangement of a protection assembly, then two sliding rods are pulled to slide in a folding plate through a vertical rod, a spring is compressed, then a cover plate is closed, the cover plate drives a right-angle plate into the folding plate, then the vertical rod is loosened, the spring is stretched to push one end of the sliding rod into a clamping hole of the right-angle plate, the effect of limiting and fixing the right-angle plate and the cover plate is achieved, the protection shell and the cover plate can protect the handheld terminal device main body, the handheld terminal device main body can be protected through the arrangement of the protection assembly, and the anti-falling performance of the handheld terminal device main body is improved.

Description

Technical Field

[0001] This invention belongs to the technical field of intrinsically safe handheld terminals for mining, and specifically relates to a protected intrinsically safe handheld terminal for mining. Background Technology

[0002] The intrinsically safe handheld terminal for mining applications features rapid response and sensitive operation; it supports 4G full network connectivity, WiFi, and Bluetooth, enabling voice communication between terminals and between terminals and servers under the corresponding network coverage. It also boasts high receiving sensitivity, maximizing the functionality of the wireless network. The terminal has low average power consumption and relatively long standby time; as long as there is network coverage, real-time information interconnection can be achieved, allowing employees to conduct voice communication at any time.

[0003] Chinese patent application number 2021227641705 discloses an intrinsically safe 5G handheld terminal for mining with a protective structure. The terminal includes a main body, a mounting body on the lower surface of the main body, and a charging port inside the mounting body. First grooves are formed on both sides of the charging port within the mounting body. A slider is slidably connected inside the first groove. A first spring is fixedly installed at the connection point between the end of the slider and the inside of the first groove using screws. An anti-slip plate is provided inside the charging port. By designing an anti-slip plate inside the charging port, when the charging head is pulled out, the first spring's elastic deformation causes the slider to slide inside the first groove, closing the anti-slip plate inside the charging port. The sliding of the anti-slip plate is stably controlled by a control plate, facilitating the protection of the charging port's interior and preventing dust from entering.

[0004] The aforementioned patent does not have protective functions and cannot protect the main body of the handheld terminal device. The main body of the handheld terminal device has poor drop resistance. In addition, when the original device is disassembled or assembled, four toggle plates need to be moved simultaneously. Moving the four toggle plates requires two hands, which makes it inconvenient to remove and assemble the back cover afterwards. Therefore, the original device has poor convenience in disassembling and assembling the back cover. Summary of the Invention

[0005] To address the problems mentioned in the background art, the present invention provides a protective intrinsically safe handheld terminal for mining, which has the function of protecting the main body of the handheld terminal device and has high drop resistance.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a protective intrinsically safe handheld terminal for mining, comprising a handheld terminal device body, a charging port provided at one end of the handheld terminal device body, a protective mechanism provided in the charging port, a rear cover provided at the rear end of the handheld terminal device body, and a protective component provided on the outer side of the handheld terminal device body.

[0007] The protective components include a protective shell, a cover plate, and a placement slot. The protective shell is provided on the outside of the main body of the handheld terminal device, the cover plate is rotatably connected to the front end of the protective shell, and the placement slot corresponding to the main body of the handheld terminal device is provided in the protective shell.

[0008] Preferably, the protective assembly further includes a folding plate, a right-angle plate, a locking hole, a sliding rod, a vertical rod, a limiting plate, and a spring. A right-angle plate is provided at one end of the cover plate, a folding plate is provided at one end of the protective shell corresponding to the right-angle plate, two sliding rods are provided at one end of the folding plate, a vertical rod is provided between the two sliding rods, a limiting plate is provided on one side of the sliding rod surface, a spring is provided on the surface of the sliding rod between the limiting plate and the folding plate, and a locking hole corresponding to the sliding rod is provided in the right-angle plate.

[0009] Preferably, the protective component further includes a rubber pad and a groove, wherein the inner wall of the groove is glued with a rubber pad, and the front sides of the protective shell are provided with grooves.

[0010] Preferably, after the main body of the handheld terminal device is installed into the placement slot, the front end of the main body of the handheld terminal device is flush with the front end of the protective shell, and the slide bar and the vertical bar are welded as a whole structure.

[0011] Preferably, the vertical rod protrudes from the side of the folded plate at both ends, the folded plate is provided with sliding holes corresponding to the sliding rod, and the end of the sliding rod away from the vertical rod is set with an arc-shaped structure.

[0012] Preferably, the upper end of the rear cover is provided with an upper convex plate, the rear end of the handheld terminal device body is provided with an upper groove corresponding to the upper convex plate, the lower end of the rear cover is provided with a lower convex plate, the rear end of the handheld terminal device body is provided with a lower groove corresponding to the lower convex plate, a sliding groove is provided on the upper side of the upper groove, a sliding seat is provided in the sliding groove, a second spring is provided on the upper end of the sliding seat, a locking rod is provided on the lower end of the sliding seat, a lever is provided on the rear end of the sliding seat, a vertical groove is provided on the handheld terminal device body at the position corresponding to the lever, and a fixing hole corresponding to the locking rod is provided on the upper end of the upper convex plate.

[0013] Preferably, the handheld terminal device has two grooves on both sides of the rear end of the main body, the lower end of the lever is set as an arc-shaped structure, and one end of the lever is set as a conical structure.

[0014] Preferably, after the rear cover is installed, the side of the upper convex plate is in close contact with the inner wall of the upper groove, and the side of the lower convex plate is in close contact with the inner wall of the lower groove, and one end of the lever is flush with the rear end of the handheld terminal device body.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This invention, by setting up a protective component, places the main body of the handheld terminal device into the placement slot of the protective shell. Then, a vertical rod pulls two sliding rods to slide in the folding plate. When the spring is compressed, the cover plate is closed, and the cover plate drives the right-angle plate into the folding plate. Then, the vertical rod is released, and the spring extends to push one end of the sliding rod into the locking hole of the right-angle plate, achieving the effect of limiting and fixing the right-angle plate and the cover plate. The protective shell and the cover plate can protect the main body of the handheld terminal device. By setting up the protective component, the main body of the handheld terminal device can be protected, improving the drop resistance of the main body of the handheld terminal device.

[0017] 2. This invention features a locking lever. When the back cover needs to be installed, the user pushes the lever in the vertical groove with one hand. The lever moves the slide block upward in the groove, compressing the spring. Then, the user holds the back cover with the other hand and places it into the rear end of the handheld terminal device. The lower convex plate and the upper convex plate on the back cover enter the lower groove and the upper groove, respectively. After releasing the lever, the spring extends and pushes the locking lever at the lower end of the slide block into the fixing hole of the upper convex plate, thus achieving the effect of limiting and fixing the back cover. The locking lever facilitates the installation and removal of the back cover, improving the practicality of the device.

[0018] 3. The present invention reduces wear on the sides of the handheld terminal device by setting a rubber pad on the inner wall of the placement groove of the protective shell. At the same time, grooves are set on both sides of the front end of the protective shell to facilitate the removal of the handheld terminal device from the placement groove, and grooves are set on both sides of the rear end of the handheld terminal device to facilitate the removal of the back cover. Attached Figure Description

[0019] Figure 1 This is a perspective view of the present invention;

[0020] Figure 2 This is a perspective view of the main body of the handheld terminal device of the present invention when it is installed;

[0021] Figure 3 This is a perspective view of the folded plate of the present invention;

[0022] Figure 4 This is a perspective view of the back cover of the present invention during installation;

[0023] Figure 5 This is a sectional perspective view of the main body of the handheld terminal device when the back cover of the present invention is installed;

[0024] Figure 6 For the present invention Figure 5 Enlarged view of point A;

[0025] In the diagram: 1. Main body of the handheld terminal device; 2. Protective components; 201. Protective shell; 202. Cover plate; 203. Placement slot; 204. Rubber pad; 205. Groove one; 206. Folding plate; 207. Right angle plate; 208. Locking hole; 209. Sliding rod; 210. Vertical rod; 211. Limiting plate; 212. Spring one; 3. Charging port; 4. Protective mechanism; 5. Back cover; 6. Groove two; 7. Lower convex plate; 8. Lower groove; 9. Upper convex plate; 10. Upper groove; 11. Toggle lever; 12. Vertical groove; 13. Sliding groove; 14. Fixing hole; 15. Locking rod; 16. Sliding base; 17. Spring two. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Example 1

[0028] Please see Figure 1-6 The present invention provides the following technical solution: a protective intrinsically safe handheld terminal for mining, including a handheld terminal device body 1, a charging port 3 at one end of the handheld terminal device body 1, a protective mechanism 4 in the charging port 3, a rear cover 5 at the rear end of the handheld terminal device body 1, and a protective component 2 on the outside of the handheld terminal device body 1.

[0029] The protective component 2 includes a protective shell 201, a cover plate 202, and a placement slot 203. The protective shell 201 is provided on the outside of the main body 1 of the handheld terminal device, the cover plate 202 is rotatably connected to the front end of the protective shell 201, and the placement slot 203 corresponding to the main body 1 of the handheld terminal device is provided in the protective shell 201.

[0030] Specifically, the protective component 2 also includes a folding plate 206, a right-angle plate 207, a locking hole 208, a sliding rod 209, a vertical rod 210, a limiting plate 211, and a spring 212. The cover plate 202 has a right-angle plate 207 at one end, and the protective shell 201 has a folding plate 206 at one end corresponding to the right-angle plate 207. The folding plate 206 has two sliding rods 209 at one end, and a vertical rod 210 is provided between the two sliding rods 209. A limiting plate 211 is provided on one side of the surface of the sliding rod 209, and a spring 212 is provided on the surface of the sliding rod 209 between the limiting plate 211 and the folding plate 206. The right-angle plate 207 has a locking hole 208 corresponding to the sliding rod 209.

[0031] By adopting the above technical solution, the main body 1 of the handheld terminal device is placed in the placement slot 203 of the protective shell 201. Then, the vertical rod 210 pulls the two sliding rods 209 to slide in the folding plate 206, and the spring 212 is compressed. Then, the cover plate 202 is closed, and the cover plate 202 drives the right-angle plate 207 into the folding plate 206. Then, the vertical rod 210 is released, and the spring 212 extends and pushes one end of the sliding rod 209 into the locking hole 208 of the right-angle plate 207, thereby achieving the effect of limiting and fixing the right-angle plate 207 and the cover plate 202. The protective shell 201 and the cover plate 202 can protect the main body 1 of the handheld terminal device. By setting the protective component 2, the main body 1 of the handheld terminal device can be protected, and the drop resistance of the main body 1 of the handheld terminal device can be improved.

[0032] Specifically, the protective component 2 also includes a rubber pad 204 and a groove 205. The rubber pad 204 is glued to the inner wall of the placement groove 203, and the groove 205 is provided on both sides of the front end of the protective shell 201.

[0033] By adopting the above technical solution, by setting a rubber pad 204 on the inner wall of the placement groove 203 of the protective shell 201, the wear of the protective shell 201 on the side of the handheld terminal device body 1 is reduced. At the same time, grooves 205 are set on both sides of the front end of the protective shell 201 to facilitate the removal of the handheld terminal device body 1 from the placement groove 203.

[0034] Specifically, after the main body 1 of the handheld terminal device is installed into the placement slot 203, the front end of the main body 1 of the handheld terminal device is flush with the front end of the protective shell 201, and the slide bar 209 and the vertical bar 210 are welded as one piece.

[0035] By adopting the above technical solution, the front end of the handheld terminal device 1 protrudes from the front end of the protective shell 201 after the handheld terminal device body 1 is installed into the placement slot 203, which affects the closing of the cover plate 202. The slide bar 209 and the vertical bar 210 are welded as a whole structure, which is more robust and durable.

[0036] Specifically, the vertical rod 210 protrudes from the sides of the folded plate 206 at both ends. The folded plate 206 is provided with sliding holes corresponding to the sliding rod 209. The end of the sliding rod 209 away from the vertical rod 210 is set with an arc-shaped structure.

[0037] By adopting the above technical solution, the two ends of the vertical rod 210 protrude from the side of the folding plate 206 to facilitate pulling the vertical rod 210. The folding plate 206 is provided with a sliding hole corresponding to the sliding rod 209 so that the sliding rod 209 can slide in the folding plate 206. The end of the sliding rod 209 away from the vertical rod 210 is set with an arc structure to facilitate the sliding rod 209 entering the locking hole 208 of the right angle plate 207.

[0038] In this embodiment, when using the intrinsically safe handheld terminal for mining with protection, the device is installed in a suitable position, and communication is performed through the main body 1 of the handheld terminal device. The protection mechanism 4 can protect the charging port 3. The rear cover 5 facilitates maintenance of the inside of the main body 1 of the handheld terminal device. By setting the protective component 2, the main body 1 of the handheld terminal device is placed in the placement slot 203 of the protective shell 201. Then, the vertical rod 210 pulls the two sliding rods 209 to slide in the folding plate 206, and the spring 212 is compressed. Then, the cover 202 is closed, and the cover 202 drives the right-angle plate 207 into the folding plate 206. Then, the vertical rod 210 is released, and the spring 212 is compressed. 2. The spring-loaded pusher 209 enters the locking hole 208 of the right-angle plate 207, thereby limiting and fixing the right-angle plate 207 and the cover plate 202. The protective shell 201 and the cover plate 202 can protect the main body 1 of the handheld terminal device. By setting the protective component 2, the main body 1 of the handheld terminal device can be protected, improving the drop resistance of the main body 1 of the handheld terminal device. By setting the rubber pad 204 on the inner wall of the placement groove 203 of the protective shell 201, the wear of the protective shell 201 on the side of the main body 1 of the handheld terminal device is reduced. At the same time, the grooves 205 on both sides of the front end of the protective shell 201 facilitate the removal of the main body 1 of the handheld terminal device from the placement groove 203.

[0039] Example 2

[0040] The difference between this embodiment and embodiment 1 is that: an upper protruding plate 9 is provided at the upper end of the rear cover 5, an upper groove 10 corresponding to the upper protruding plate 9 is provided at the rear end of the handheld terminal device body 1, a lower protruding plate 7 is provided at the lower end of the rear cover 5, a lower groove 8 corresponding to the lower protruding plate 7 is provided at the rear end of the handheld terminal device body 1, a sliding groove 13 is provided on the upper side of the upper groove 10, a sliding seat 16 is provided in the sliding groove 13, a spring 17 is provided at the upper end of the sliding seat 16, a locking rod 15 is provided at the lower end of the sliding seat 16, a lever 11 is provided at the rear end of the sliding seat 16, a vertical groove 12 is provided at the position corresponding to the lever 11 on the handheld terminal device body 1, and a fixing hole 14 corresponding to the locking rod 15 is provided at the upper end of the upper protruding plate 9.

[0041] By adopting the above technical solution, when the back cover 5 needs to be installed, the user pushes the lever 11 with one hand to move it in the vertical groove 12. The lever 11 drives the slide 16 to move upward in the slide groove 13, and the spring 17 is compressed. Then, the user holds the back cover 5 with the other hand and puts the back cover 5 into the rear end of the handheld terminal device body 1. The lower convex plate 7 on the back cover 5 enters the lower groove 8 and the upper groove 10 respectively. Then, the lever 11 is released, and the spring 17 extends to push the locking rod 15 at the lower end of the slide 16 into the fixing hole 14 of the upper convex plate 9, thereby achieving the effect of limiting and fixing the back cover 5. By setting the locking rod 15, it is convenient to disassemble and assemble the back cover 5, thus improving the practicality of the device.

[0042] Specifically, the main body 1 of the handheld terminal device has two grooves 6 on both sides of the rear end, the lower end of the lever 15 is set as an arc structure, and one end of the lever 11 is set as a conical structure.

[0043] By adopting the above technical solution, grooves 6 are provided on both sides of the rear end of the handheld terminal device body 1 to facilitate the removal of the rear cover 5. The lower end of the locking rod 15 is set with an arc-shaped structure to facilitate the locking rod 15 entering the fixing hole 14 of the upper convex plate 9. One end of the lever 11 is set with a tapered structure to facilitate the pushing of the lever 11.

[0044] Specifically, after the back cover 5 is installed, the side of the upper convex plate 9 is tightly attached to the inner wall of the upper groove 10, and the side of the lower convex plate 7 is tightly attached to the inner wall of the lower groove 8. One end of the lever 11 is flush with the rear end of the handheld terminal device body 1.

[0045] By adopting the above technical solution, the upper convex plate 9 and the lower convex plate 7 are more stable in the upper groove 10 and the lower groove 8 after the back cover 5 is installed, and the limiting effect of the back cover 5 is better. One end of the lever 11 is flush with the rear end of the handheld terminal device body 1 to prevent the lever 11 from protruding from the rear end of the handheld terminal device body 1.

[0046] In this embodiment, by setting the locking lever 15, when the back cover 5 needs to be installed, the user pushes the lever 11 with one hand to move it in the vertical groove 12. The lever 11 drives the slide 16 to move upward in the slide groove 13, and the spring 17 is compressed. Then, the user holds the back cover 5 with the other hand and puts the back cover 5 into the rear end of the handheld terminal device body 1. The lower convex plate 7 on the back cover 5 enters the lower groove 8 and the upper groove 10 respectively. Then, the lever 11 is released, and the spring 17 extends to push the locking lever 15 at the lower end of the slide 16 into the fixing hole 14 of the upper convex plate 9, so as to achieve the effect of limiting and fixing the back cover 5. By setting the locking lever 15, it is convenient to disassemble and assemble the back cover 5, improving the practicality of the device. The grooves 6 on both sides of the rear end of the handheld terminal device body 1 facilitate the removal of the back cover 5.

[0047] The structure and working principle of the handheld terminal device body 1, charging port 3, protection mechanism 4 and back cover 5 in this invention have been disclosed in a mining intrinsically safe 5G handheld terminal with a protective structure disclosed in Chinese patent application number 2021227641705. Its working principle is to carry out communication through the handheld terminal device body 1, the protection mechanism 4 can protect the charging port 3, and the back cover 5 facilitates maintenance of the inside of the handheld terminal device body 1.

[0048] The working principle and usage process of this invention: When using the intrinsically safe handheld terminal for mining with protection, the device is installed in a suitable position, and communication is performed through the main body 1 of the handheld terminal device. The protection mechanism 4 can protect the charging port 3. The rear cover 5 facilitates maintenance of the inside of the main body 1 of the handheld terminal device. By setting the protective component 2, the main body 1 of the handheld terminal device is placed in the placement slot 203 of the protective shell 201. Then, the vertical rod 210 pulls the two sliding rods 209 to slide in the folding plate 206, and the spring 212... After being compressed, the cover plate 202 is closed, causing the right-angle plate 207 to enter the folding plate 206. Then, the vertical rod 210 is released, and the spring 212 extends and pushes one end of the slide rod 209 into the locking hole 208 of the right-angle plate 207, achieving the effect of limiting and fixing the right-angle plate 207 and the cover plate 202. The protective shell 201 and the cover plate 202 can protect the main body 1 of the handheld terminal device. By setting the protective component 2, the main body 1 of the handheld terminal device can be protected, improving the drop resistance of the main body 1 of the handheld terminal device. To improve performance, rubber pads 204 are provided on the inner wall of the placement slot 203 of the protective shell 201 to reduce wear on the sides of the handheld terminal device body 1. Additionally, grooves 205 on both sides of the front end of the protective shell 201 facilitate removal of the handheld terminal device body 1 from the placement slot 203. A latch 15 is provided so that when the back cover 5 needs to be installed, the user can push the lever 11 with one hand to move it in the vertical slot 12. The lever 11 causes the slide block 16 to move upwards in the slide groove 13, compressing the spring 17, which then... The user holds the back cover 5 with their other hand and places it into the rear end of the main body 1 of the handheld terminal device. The lower convex plate 7 on the back cover 5 enters the lower groove 8 and the upper groove 10 respectively. Then, the lever 11 is released, and the spring 17 extends to push the locking rod 15 at the lower end of the slide block 16 into the fixing hole 14 of the upper convex plate 9, thereby achieving the effect of limiting and fixing the back cover 5. The locking rod 15 facilitates the disassembly and assembly of the back cover 5 and improves the practicality of the device. The grooves 6 on both sides of the rear end of the main body 1 of the handheld terminal device facilitate the removal of the back cover 5.

[0049] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A protective intrinsically safe handheld terminal for mining, comprising a main body of the handheld terminal device, characterized in that: The handheld terminal device has a charging port at one end, a protective mechanism in the charging port, a back cover at the rear end, and a protective component on the outside of the handheld terminal device. The protective components include a protective shell, a cover plate, and a placement slot. The protective shell is provided on the outside of the main body of the handheld terminal device, the cover plate is rotatably connected to the front end of the protective shell, and the placement slot corresponding to the main body of the handheld terminal device is provided in the protective shell. The protective assembly also includes a folding plate, a right-angle plate, a locking hole, a sliding rod, a vertical rod, a limiting plate, and a spring. The cover plate has a right-angle plate at one end, the protective shell has a folding plate at the position corresponding to the right-angle plate at one end, the folding plate has two sliding rods at one end, a vertical rod is provided between the two sliding rods, a limiting plate is provided on one side of the sliding rod surface, a spring is provided on the surface of the sliding rod between the limiting plate and the folding plate, and the right-angle plate has a locking hole corresponding to the sliding rod.

2. The intrinsically safe handheld terminal for mining with protection according to claim 1, characterized in that: The protective component also includes a rubber pad and a groove, wherein the inner wall of the groove is glued with a rubber pad, and the front sides of the protective shell are provided with grooves.

3. A protected intrinsically safe handheld terminal for mining as described in claim 1, characterized in that: After the main body of the handheld terminal device is installed into the placement slot, the front end of the main body of the handheld terminal device is flush with the front end of the protective shell, and the sliding rod and the vertical rod are welded as one piece.

4. A protected intrinsically safe handheld terminal for mining as described in claim 1, characterized in that: The vertical rod protrudes from both ends of the folded plate. The folded plate has sliding holes corresponding to the sliding rod. The end of the sliding rod away from the vertical rod is set with an arc-shaped structure.

5. A protected intrinsically safe handheld terminal for mining according to claim 1, characterized in that: The upper end of the rear cover is provided with an upper convex plate, the rear end of the handheld terminal device body is provided with an upper groove corresponding to the upper convex plate, the lower end of the rear cover is provided with a lower convex plate, the rear end of the handheld terminal device body is provided with a lower groove corresponding to the lower convex plate, a sliding groove is provided on the upper side of the upper groove, a sliding seat is provided in the sliding groove, a spring is provided on the upper end of the sliding seat, a locking rod is provided on the lower end of the sliding seat, a lever is provided on the rear end of the sliding seat, a vertical groove is provided on the handheld terminal device body at the position corresponding to the lever, and a fixing hole corresponding to the locking rod is provided on the upper end of the upper convex plate.

6. A protected intrinsically safe handheld terminal for mining according to claim 5, characterized in that: The handheld terminal device has two grooves on both sides of the rear end of the main body, the lower end of the lever is set as an arc structure, and one end of the lever is set as a conical structure.

7. A protected intrinsically safe handheld terminal for mining according to claim 5, characterized in that: After the rear cover is installed, the side of the upper convex plate is in close contact with the inner wall of the upper groove, and the side of the lower convex plate is in close contact with the inner wall of the lower groove. One end of the lever is flush with the rear end of the handheld terminal device.

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