Fixed asset input device based on handheld terminal

Abstract

The utility model provides a fixed asset input device based on a hand-held terminal. The fixed asset input device comprises a housing, a recorder, a recorder front end protection unit and a housing top detachable cover body. The recorder is arranged in the shell, a screen is arranged at the top of the front end of the recorder, and keys are arranged at the bottom of the front end of the recorder; the recorder front end protection unit comprises a limiting strip, a shield plate, a sliding plate, a first sliding groove and a magnetic sheet. By arranging the recorder front-end protection unit, the recorder is protected; according to the scanner, the scanner is prevented from being scratched and abraded in daily use, part of impact force can be absorbed when the scanner falls off or is impacted, the risk that the scanner is damaged is reduced, and the service life of the scanner is prolonged. And by arranging the detachable cover body at the top of the shell, the shell cover body can be conveniently disassembled.

Description

Technical Field

[0001] The utility model belongs to the technical field of input equipment, and in particular relates to a fixed asset input device based on a handheld terminal. Background Art

[0002] Fixed assets refer to physical assets that are owned and held for a long time by an enterprise during the production and operation process and are not for sale. Compared with current assets, fixed assets usually have a longer service life. This allows enterprises to use these assets for a longer period of time and gain economic benefits from them without having to frequently replace or update them.

[0003] Common fixed asset entry devices are used directly and put away after use. However, direct use without a casing to protect the device can easily cause the device to be physically damaged by the external environment, such as collisions, falls, etc., which may cause damage or failure of device components. When using a casing to protect the device, a protective cover is generally installed directly. The current protective cover is not convenient to install and disassemble, and it takes a lot of time to install or disassemble the device. In addition, the protective cover can easily squeeze the device and cause damage to the device. Utility Model Content

[0004] In order to make up for the deficiencies in the prior art, the utility model provides a fixed asset entry device based on a handheld terminal, aiming to improve the problem in the prior art that the entry equipment cannot be protected and the existing protection device cannot be conveniently disassembled.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: the utility model provides a fixed asset recording device based on a handheld terminal, comprising a housing (1), a recorder (2), a front protection unit of the recorder and a detachable cover on the top of the housing;

[0006] The recorder (2) is arranged inside the housing (1), a screen (3) is arranged at the top of the front end of the recorder (2), and a button (4) is arranged at the bottom of the front end of the recorder (2); the recorder front end protection unit comprises a limit bar (5), a shield plate (6), a sliding plate (7), a first slide groove (8) and a magnetic sheet (20);

[0007] The limiting strip (5) is fixedly mounted on the front end of the inner wall of the shell (1), and the first sliding groove (8) is provided on the inner wall of the limiting strip (5), and the sliding plate (7) is slidably connected inside the first sliding groove (8), and the magnetic sheet (20) is fixedly mounted on the top of the sliding plate (7); the shield plate (6) is fixedly mounted on the rear side of the top inside the first sliding groove (8), and the shield plate (6) is arranged on the rear side of the sliding plate (7), and the shield plate (6) is arranged in front of the screen (3) of the recorder (2); the sliding plate (7) is arranged in front of the button (4), and the sliding plate (7) slides upward along the first sliding groove (8) to the front of the shield plate (6), and the magnetic sheet (20) is adsorbed on the surface of the shell (1).

[0008] As a further description of the above technical solution:

[0009] The shield plate (6) and the sliding plate (7) are both made of transparent materials.

[0010] As a further description of the above technical solution:

[0011] A camera (26) is provided at the middle upper portion of the rear side of the recorder (2), and a camera assembly is provided at the rear side of the housing (1); the camera assembly comprises a second slide groove (9) and a camera port (10);

[0012] The second slide groove (9) is vertically opened at the top of the rear side of the inner wall of the shell (1), and the camera port (10) is opened at the bottom of the second slide groove (9); the camera (26) is slidably connected inside the second slide groove (9), and when the camera (26) is installed in place, the camera (26) is engaged inside the camera port (10).

[0013] As a further description of the above technical solution:

[0014] The removable cover on the top of the shell comprises a limit plate (11), a third slide groove (12), a left horizontal telescopic unit and a right vertical telescopic unit;

[0015] The top of the shell (1) is provided with the third sliding groove (12) which runs horizontally through; the limiting plate (11) is horizontally slidably connected to the third sliding groove (12); the left side of the third sliding groove (12) is installed with the left horizontal telescopic unit for pushing the limiting plate (11) to slide horizontally; the right side of the third sliding groove (12) is installed below the right side of the third sliding groove (12) for being fixedly connected with the limiting plate (11) when the limiting plate (11) is slidably installed in place.

[0016] As a further description of the above technical solution:

[0017] The right vertical telescopic unit comprises a sliding block (13), a fixing block (14), a sliding rod (15), a groove (16) and a first spring (17);

[0018] The slider (13) can be vertically slidably installed in the middle and upper part of the right side of the shell (1), and the fixed block (14) is fixedly installed on the left side of the slider (13). The fixed block (14) is slidably connected to the upper right side inside the shell (1). The bottom of the fixed block (14) is fixedly connected to the first spring (17) opposite to each other in front and back, and the bottom of the first spring (17) is against the shell wall of the shell (1); the top of the fixed block (14) is fixedly connected to the sliding rod (15) opposite to each other in front and back, and the right side of the bottom of the limiting plate (11) is provided with the groove (16) opposite to each other in front and back, and under the elastic force of the first spring (17), the two sliding rods (15) are engaged in the groove (16).

[0019] As a further description of the above technical solution:

[0020] The right side of the sliding block (13) is fixedly connected with uniformly distributed friction strips (21).

[0021] As a further description of the above technical solution:

[0022] The left horizontal telescopic unit comprises a push plate (18) and a second spring (19);

[0023] The second springs (19) are fixedly installed horizontally on the left side of the inner wall of the third sliding groove (12) and are opposite to each other in front and back. The push plate (18) is fixedly installed on the right side of the two second springs (19). Under the elastic force of the second springs (19), the push plate (18) moves horizontally; the limit plate (11) is against the right side of the push plate (18).

[0024] As a further description of the above technical solution:

[0025] The recorder (2) is a handheld version of a PDA scanning and transmission recorder, and the recorder (2) is wirelessly connected and transmitted with other computer devices.

[0026] As a further description of the above technical solution:

[0027] The right side of the shell (1) is provided with a card insertion port (23), and the bottom of the shell (1) is provided with a charging port (22).

[0028] As a further description of the above technical solution:

[0029] The top of the rear side of the shell (1) is provided with left and right opposite broadcasting ports (24), and the rear side of the shell (1) is fixedly connected with a back clip (25).

[0030] The fixed asset entry device based on a handheld terminal provided by the utility model has the following advantages:

[0031] The utility model provides a fixed asset entry device based on a handheld terminal. By setting a front-end protection unit of the recorder, the recorder is protected to prevent the device from being scratched and worn in daily use. When it falls or is hit, part of the impact force can be absorbed, thereby reducing the risk of damage to the scanner and extending the service life of the device.

[0032] The utility model provides a fixed asset entry device based on a handheld terminal. By providing a detachable cover on the top of the shell, the shell cover can be conveniently disassembled. When the recorder needs to be cleaned or maintained, the recorder can be quickly removed and quickly installed and can be put into use immediately, saving time. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a three-dimensional schematic diagram of a fixed asset entry device based on a handheld terminal proposed by the utility model;

[0034] Figure 2 This is a rear view schematic diagram of a fixed asset entry device based on a handheld terminal proposed by the utility model;

[0035] Figure 3 This is a structural schematic diagram of a recorder of a fixed asset entry device based on a handheld terminal proposed by the utility model;

[0036] Figure 4 This is a structural schematic diagram of a shell of a fixed asset entry device based on a handheld terminal proposed by the utility model;

[0037] Figure 5 This is a structural schematic diagram of a limit plate of a fixed asset input device based on a handheld terminal proposed by the utility model;

[0038] Figure 6 This is a structural schematic diagram of a sliding plate of a fixed asset entry device based on a handheld terminal proposed by the utility model;

[0039] Figure 7 for Figure 6 Enlarged view of point A in the middle.

[0040] Legend:

[0041] 1. Shell; 2. Recorder; 3. Screen; 4. Button; 5. Limit bar; 6. Shield plate; 7. Sliding plate; 8. First slide groove; 9. Second slide groove; 10. Camera port; 11. Limit plate; 12. Third slide groove; 13. Sliding block; 14. Fixed block; 15. Sliding rod; 16. Groove; 17. First spring; 18. Push plate; 19. Second spring; 20. Magnetic sheet; 21. Friction strip; 22. Charging port; 23. Card slot; 24. Broadcast port; 25. Back clip; 26. Camera. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0043] See also Figures 1 to 7 , the utility model provides a fixed asset entry device based on a handheld terminal, comprising a housing 1, a recorder 2, a front-end protection unit of the recorder and a detachable cover on the top of the housing;

[0044] A recorder 2 is arranged inside the housing 1 , a screen 3 is arranged at the top of the front end of the recorder 2 , and a button 4 is arranged at the bottom of the front end of the recorder 2 .

[0045] The recorder front-end protection unit is used to protect the recorder, especially the screen 3, while ensuring the normal use of the button 4, to prevent the device from being scratched and worn in daily use.

[0046] As a specific structure, the recorder front end protection unit includes a limit strip 5, a shield plate 6, a sliding plate 7, a first slide groove 8 and a magnetic sheet 20;

[0047] The front end of the inner wall of the housing 1 is fixedly installed with a limit strip 5, and the inner wall of the limit strip 5 is provided with a first slide groove 8, the first slide groove 8 is slidably connected with a sliding plate 7, and a magnetic sheet 20 is fixedly installed on the top of the sliding plate 7; the top rear side of the first slide groove 8 is fixedly installed with a shield plate 6, which is arranged at the rear side of the sliding plate 7, and the shield plate 6 is arranged in front of the screen 3 of the recorder 2; the sliding plate 7 is arranged in front of the button 4, and the sliding plate 7 slides upward along the first slide groove 8 to the front of the shield plate 6, and the magnetic sheet 20 is adsorbed on the surface of the housing 1. Among them, the shield plate 6 and the sliding plate 7 are both made of transparent materials.

[0048] Therefore, when there is no need to operate the button 4, the shield plate 6 protects the screen 3 and the sliding plate 7 protects the button 4; when the button 4 needs to be operated, the sliding plate 7 is slid upward along the first sliding groove 8 so that the sliding plate 7 is located in front of the screen 3, and is adsorbed on the shell through the magnetic sheet 20 to fix the position of the sliding plate 7. At this time, the button 4 is exposed and can be operated normally.

[0049] The recorder front-end protection unit provided in the present application is used to protect the recorder and prevent the device from being scratched and worn during daily use. When it falls or is hit, the limit strip 5 is made of rubber material and can absorb part of the impact force, reducing the risk of damage to the scanner and extending the service life of the device.

[0050] As a specific structure, the utility model also provides a camera 26 limit fixing unit to ensure the stable fixation of the recorder 2 inside the shell. A camera 26 is arranged at the middle and upper part of the rear side of the recorder 2, and a camera assembly is arranged at the rear side of the shell 1; the camera assembly includes a second slide groove 9 and a camera port 10; the second slide groove 9 is vertically opened at the top of the rear side of the inner wall of the shell 1, and the camera port 10 is opened at the bottom of the second slide groove 9; the camera 26 is slidably connected inside the second slide groove 9, and when the camera 26 is installed in place, the camera 26 is engaged inside the camera port 10.

[0051] The detachable cover on the top of the shell has the advantage of being easily detachable, thereby facilitating the installation and removal of the recorder 2 and making it easier for the operator to use it.

[0052] like Figure 4 and Figure 5 As shown, the removable cover on the top of the housing includes a limit plate 11, a third slide slot 12, a left horizontal telescopic unit and a right vertical telescopic unit;

[0053] A third slide groove 12 is horizontally penetrated at the top of the shell 1; the limit plate 11 is horizontally slidably connected to the third slide groove 12; a left horizontal telescopic unit is installed on the left side of the third slide groove 12 to push the limit plate 11 to slide horizontally; a right vertical telescopic unit is installed at the lower right side of the third slide groove 12 to be fixedly connected with the limit plate 11 when the limit plate 11 is slidably installed in place.

[0054] As a specific structure, the right vertical telescopic unit includes a slider 13, a fixing block 14, a slide bar 15, a groove 16 and a first spring 17;

[0055] A slider 13 can be vertically slidably installed in the middle and upper part of the right side of the housing 1, and a uniformly distributed friction strip 21 is fixedly connected to the right side of the slider 13. A fixed block 14 is fixedly installed on the left side of the slider 13, and the fixed block 14 is slidably connected to the upper right side inside the housing 1. The bottom of the fixed block 14 is fixedly connected to the front and rear opposite first springs 17, and the bottom of the first spring 17 is against the shell wall of the housing 1; the top of the fixed block 14 is fixedly connected to the front and rear opposite sliding rods 15, and the right side of the bottom of the limit plate 11 is provided with front and rear opposite grooves 16, and under the elastic force of the first spring 17, the two sliding rods 15 are engaged in the grooves 16.

[0056] As a specific implementation method, the left horizontal telescopic unit includes a push plate 18 and a second spring 19; the second spring 19 is horizontally fixedly installed on the left side of the inner wall of the third slide groove 12, and the push plate 18 is fixedly installed on the right side of the two second springs 19. Under the elastic force of the second spring 19, the push plate 18 moves horizontally; the limit plate 11 is against the right side of the push plate 18.

[0057] Therefore, when the recorder 2 is installed in place in the housing 1, the second spring 19 is in a compressed state. At this time, under the elastic force of the first spring 17, the two slide bars 15 are engaged in the groove 16 of the limit plate 11 to achieve the installation and fixation of the limit plate 11.

[0058] When the recorder 2 needs to be removed from the housing 1, first slide the slider 13 downward to overcome the elastic force of the first spring 17, compress the first spring 17, and disengage the two slide bars 15 from the groove 16 of the limit plate 11. At this time, under the elastic force of the first spring 17, the limit plate 11 is pushed to the right, so that the recorder 2 can be smoothly removed from the housing 1.

[0059] In the utility model, the recorder 2 is a handheld version of a PDA scanning and transmitting recorder, and the recorder 2 is wirelessly connected and transmitted with other computer devices. A card insertion port 23 is provided on the right side of the housing 1, and a charging port 22 is provided at the bottom of the housing 1. A broadcast port 24 opposite to the left and right is provided at the top of the rear side of the housing 1, and a back clip 25 is fixedly connected to the rear side of the housing 1.

[0060] A specific embodiment is described below: Figure 2 , Figure 6 and Figure 7The utility model provides an embodiment: a fixed asset entry device based on a handheld terminal, comprising a shell 1, a recorder 2 is arranged inside the shell 1, a screen 3 is arranged at the top of the front end of the recorder 2, a button 4 is arranged at the bottom of the front end of the recorder 2, a limit strip 5 is fixedly connected to the front end of the inner wall of the shell 1, a first slide groove 8 is opened on the inner wall of the limit strip 5, a sliding plate 7 is slidably connected inside the first slide groove 8, a magnetic sheet 20 is fixedly connected to the top of the sliding plate 7, a shield plate 6 is fixedly connected to the rear side of the top of the first slide groove 8, the shield plate 6 is arranged at the rear side of the sliding plate 7, the shield plate 6 is arranged at the front end of the recorder 2, the sliding plate 7 is arranged at the front end of the button 4, a camera assembly is arranged at the rear side of the shell 1, the recorder 2 is a handheld version of the PDA scanning transmission recorder, and the recorder 2 can be wirelessly transmitted with other computers and other devices.

[0061] Slide the recorder 2 into the shell 1 from the top of the shell 1. After the recorder 2 enters the shell 1, the limit strip 5 is used to limit the recorder 2 to prevent the recorder 2 from detaching from the front end of the shell 1. The screen 3 is protected by the shield plate 6. At the same time, the shield plate 6 is made of transparent material and does not affect the viewing of the contents of the screen 3. When operation is required, slide the sliding plate 7 upward through the first sliding groove 8. When the sliding plate 7 reaches the top of the front end of the inner wall of the shell 1, it is supported and adsorbed by the magnetic sheet 20 to prevent the sliding plate 7 from sliding down and falling. At this time, the operation button 4 can be pressed. At the same time, the sliding plate 7 is also made of transparent material and overlaps with the shield plate 6 without affecting the viewing of the contents of the screen 3. After the operation is completed, slide the sliding plate 7 downward until it rests on the bottom of the inner wall of the limit strip 5 to protect the button 4.

[0062] Reference Figure 2-Figure 4 The camera assembly includes a second slide groove 9 and a camera port 10. A camera 26 is arranged at the middle and upper part of the rear side of the recorder 2. The second slide groove 9 is opened at the top of the rear side of the inner wall of the shell 1. The camera port 10 is opened at the bottom of the second slide groove 9. The camera port 10 is opened at the middle and upper part of the rear side of the shell 1. The camera 26 is slidably connected inside the second slide groove 9. The camera 26 is engaged inside the camera port 10. A card insertion port 23 is opened on the right side of the shell 1, a charging port 22 is opened at the bottom of the shell 1, and left and right opposite broadcast ports 24 are opened on the top of the rear side of the shell 1. A back clip 25 is fixedly connected to the rear side of the shell 1.

[0063] When the recorder 2 slides into the shell 1, the camera 26 will slide downward into the second slide groove 9 to provide space for the camera 26 to avoid being squeezed and bumped. When the recorder 2 completely slides into the shell 1, the camera 26 will be engaged inside the camera port 10. The camera port 10 is a through hole and does not affect the camera. The charging cable can be inserted through the charging port 22 to charge the recorder 2. The card insertion port 23 is used to facilitate the replacement of the storage card of the recorder 2. The sound broadcast by the recorder 2 can be transmitted through the broadcast port 24. The shell 1 and the recorder 2 can be clamped on the body through the back clip 25.

[0064] Reference Figure 1, Figure 4 and Figure 5 A third slide groove 12 is provided at the top right side of the shell 1, and a limit plate 11 is slidably connected inside the third slide groove 12. A slider 13 is slidably connected to the middle and upper part of the right side of the shell 1, and a fixed block 14 is fixedly connected to the left side of the slider 13. The fixed block 14 is slidably connected to the upper right side inside the shell 1, and a first spring 17 opposite to each other is fixedly connected to the bottom of the fixed block 14. A sliding rod 15 opposite to each other is fixedly connected to the top of the fixed block 14. A groove 16 opposite to each other is provided at the right side of the bottom of the limit plate 11, and two sliding rods 15 are engaged in the two grooves 16. A second spring 19 opposite to each other is fixedly connected to the left side of the inner wall of the third slide groove 12, and a push plate 18 is fixedly connected to the right side of the two second springs 19. The limit plate 11 is against the right side of the push plate 18, and a uniformly distributed friction strip 21 is fixedly connected to the right side of the slider 13.

[0065] After the recorder 2 has completely slid into the housing 1, slide the slider 13 downward to allow the two slide bars 15 to slide downward on the right side inside the housing 1, and then slide the limit plate 11 into the third slide groove 12 until it contacts the push plate 18. After the limit plate 11 contacts the push plate 18, it continues to push to the left and squeezes the two second springs 19. At this time, release the slider 13, and slide the fixed block 14 upward through the rebound of the two first springs 17, and slide the two slide bars 15 into the two grooves 16 and engage them for stabilization, so as to prevent the recorder 2 from detaching from the top of the housing 1 through the limit plate 11. When the recorder 2 needs to be removed, slide the slider 13 downward to make the two slide bars 15 slide down and leave the two engaged grooves 16. At this time, the two second springs 19 will rebound to the push plate 18 and push the limit plate 11 partially to the right. The limit plate 11 extends to the right and exceeds the third slide groove 12. This part of the limit plate 11 can be held and continued to be pulled to the right. At this time, the recorder 2 can be taken out of the housing 1, and the friction strip 21 is used to facilitate the operation of controlling the slider 13 to slide downward.

[0066] Working principle: When the fixed asset entry device based on the handheld terminal is used, the recorder 2 is slid into the interior through the top of the shell 1. When the recorder 2 slides into the shell 1, the camera 26 will also slide into the second slide groove 9. When the recorder 2 completely enters the shell 1, the camera 26 will be engaged in the camera port 10 and take pictures through the camera port 10. The friction strip 21 is slid downward to make the fixed block 14 slide downward on the upper right side of the shell 1. At the same time, the two slide bars 15 will also slide downward, and then the limit plate 11 is slid into the third slide groove 12 until it contacts the push plate 18 and squeezes the two second springs 19. Then the friction strip 21 is released to make the two first springs 17 rebound, and the fixed block 14 is Push upward and slide the two slide bars 15 upward to engage in the two grooves 16 to fix the limit plate 11 and the shell 1 to prevent the recorder 2 from detaching from the top of the shell 1. When the recorder 2 is inside the shell 1, it is limited by the limit bar 5 to prevent the recorder 2 from detaching from the front end of the shell 1. The screen 3 at the front end of the recorder 2 is protected by the shield plate 6, and the buttons 4 at the front end of the recorder 2 are protected by the sliding plate 7. When operation is required, the sliding plate 7 can be slid upward from the first slide groove 8 until the magnetic piece 20 is against the top of the front end of the inner wall of the shell 1 and adsorbed. The shield plate 6 and the sliding plate 7 are both transparent, and when the shield plate 6 overlaps with the sliding plate 7, it does not affect the viewing of the content of the screen 3.

[0067] The utility model has the following beneficial effects:

[0068] 1. In the utility model, the protection of the recorder is achieved through the cooperation of the shell, the limit strip, the shield plate, the sliding plate, the first slide groove and the magnetic sheet, which prevents the device from being scratched and worn in daily use. When it falls or is hit, it can absorb part of the impact force, reduce the risk of damage to the scanner, and extend the service life of the device.

[0069] 2. In the utility model, the shell can be conveniently disassembled through the cooperation of the limit plate, the third slide groove, the slider, the fixed block, the slide rod, the groove and the first spring. When the recorder needs to be cleaned or maintained, the recorder can be quickly removed and installed quickly, and can be put into use immediately, saving time.

[0070] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixed asset entry device based on a handheld terminal, characterized in that: It comprises a housing (1), a recorder (2), a front-end protection unit of the recorder and a detachable cover on the top of the housing; The recorder (2) is arranged inside the housing (1), a screen (3) is arranged at the top of the front end of the recorder (2), and a button (4) is arranged at the bottom of the front end of the recorder (2); the recorder front end protection unit comprises a limit bar (5), a shield plate (6), a sliding plate (7), a first slide groove (8) and a magnetic sheet (20); The limiting strip (5) is fixedly mounted on the front end of the inner wall of the shell (1), and the first sliding groove (8) is provided on the inner wall of the limiting strip (5), and the sliding plate (7) is slidably connected inside the first sliding groove (8), and the magnetic sheet (20) is fixedly mounted on the top of the sliding plate (7); the shield plate (6) is fixedly mounted on the rear side of the top inside the first sliding groove (8), and the shield plate (6) is arranged on the rear side of the sliding plate (7), and the shield plate (6) is arranged in front of the screen (3) of the recorder (2); the sliding plate (7) is arranged in front of the button (4), and the sliding plate (7) slides upward along the first sliding groove (8) to the front of the shield plate (6), and the magnetic sheet (20) is adsorbed on the surface of the shell (1).

2. A fixed asset entry device based on a handheld terminal according to claim 1, characterized in that: The shield plate (6) and the sliding plate (7) are both made of transparent materials.

3. A fixed asset entry device based on a handheld terminal according to claim 1, characterized in that: A camera (26) is provided at the middle upper portion of the rear side of the recorder (2), and a camera assembly is provided at the rear side of the housing (1); the camera assembly comprises a second slide groove (9) and a camera port (10); The second slide groove (9) is vertically opened at the top of the rear side of the inner wall of the shell (1), and the camera port (10) is opened at the bottom of the second slide groove (9); the camera (26) is slidably connected inside the second slide groove (9), and when the camera (26) is installed in place, the camera (26) is engaged inside the camera port (10).

4. A fixed asset entry device based on a handheld terminal according to claim 1, characterized in that: The removable cover on the top of the shell comprises a limit plate (11), a third slide groove (12), a left horizontal telescopic unit and a right vertical telescopic unit; The top of the shell (1) is provided with the third sliding groove (12) which runs horizontally through; the limiting plate (11) is horizontally slidably connected to the third sliding groove (12); the left side of the third sliding groove (12) is installed with the left horizontal telescopic unit for pushing the limiting plate (11) to slide horizontally; the right side of the third sliding groove (12) is installed below the right side of the third sliding groove (12) for being fixedly connected with the limiting plate (11) when the limiting plate (11) is slidably installed in place.

5. A fixed asset entry device based on a handheld terminal according to claim 4, characterized in that: The right vertical telescopic unit comprises a sliding block (13), a fixing block (14), a sliding rod (15), a groove (16) and a first spring (17); The slider (13) can be vertically slidably installed in the middle and upper part of the right side of the shell (1), and the fixed block (14) is fixedly installed on the left side of the slider (13). The fixed block (14) is slidably connected to the upper right side inside the shell (1). The bottom of the fixed block (14) is fixedly connected to the first spring (17) opposite to each other in front and back, and the bottom of the first spring (17) is against the shell wall of the shell (1); the top of the fixed block (14) is fixedly connected to the sliding rod (15) opposite to each other in front and back, and the right side of the bottom of the limiting plate (11) is provided with the groove (16) opposite to each other in front and back, and under the elastic force of the first spring (17), the two sliding rods (15) are engaged in the groove (16).

6. A fixed asset entry device based on a handheld terminal according to claim 5, characterized in that: The right side of the sliding block (13) is fixedly connected with uniformly distributed friction strips (21).

7. A fixed asset entry device based on a handheld terminal according to claim 4, characterized in that: The left horizontal telescopic unit comprises a push plate (18) and a second spring (19); The second springs (19) are fixedly installed horizontally on the left side of the inner wall of the third sliding groove (12) and are opposite to each other in front and back. The push plate (18) is fixedly installed on the right side of the two second springs (19). Under the elastic force of the second springs (19), the push plate (18) moves horizontally; the limit plate (11) is against the right side of the push plate (18).

8. The fixed asset entry device based on a handheld terminal according to claim 1, characterized in that: The recorder (2) is a handheld version of a PDA scanning and transmission recorder, and the recorder (2) is wirelessly connected and transmitted with other computer devices.

9. A fixed asset entry device based on a handheld terminal according to claim 1, characterized in that: The right side of the shell (1) is provided with a card insertion port (23), and the bottom of the shell (1) is provided with a charging port (22).

10. A fixed asset entry device based on a handheld terminal according to claim 1, characterized in that: The top of the rear side of the shell (1) is provided with left and right opposite broadcasting ports (24), and the rear side of the shell (1) is fixedly connected with a back clip (25).

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