Automatic opening and closing structure for lifting floor cover plate of expansion command vehicle

Abstract

The utility model relates to the technical field of expansion command vehicle lifting floors, in particular to an expansion command vehicle lifting floor cover plate automatic opening and closing structure which comprises a vehicle body, a containing cavity is formed in the vehicle body, an expansion cavity is formed in the lower end of the containing cavity, and a fixing opening communicated with the containing cavity is formed in the expansion cavity. A movable flat plate used for placing articles is arranged in the expansion cavity, and an opening cover plate is rotationally arranged at the fixed opening. The movable flat plate drives the driving rack to move upwards together, due to the fact that the driving rack is connected with the driven gear in a meshed mode, the driven gear drives the opening cover plate to rotate anticlockwise through the rotating shaft and the connecting piece, the opening cover plate rotates to be in a vertical state so as to open the expanding cavity, and meanwhile the movable flat plate moves to the position below the fixed opening. And the articles on the movable flat plate are taken out through the fixed opening, so that the opening cover plate and the movable flat plate move synchronously, and the steps of taking out the articles are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevating floors of expansion command vehicles, in particular to an automatic opening and closing structure of a elevating floor cover of an expansion command vehicle. Background Art

[0002] As a special vehicle that can realize the functions of a central office, the large-scale expansion command vehicle is equipped with special instruments with different functions according to the different mission situations. The larger the available space in the vehicle, the more equipment it can carry and the more needs it can meet.

[0003] The existing technology mostly adopts an expanded cabin command vehicle disclosed in announcement number CN220548983U, which includes a vehicle body, the vehicle body includes a cab and a cabin arranged on one side of the cab, and a deflector is provided on the top of the cab. The top surface of the deflector is arranged in an arc shape, and the top surface of the deflector gradually rises from the front end of the vehicle body to the rear end. The top surface of the cabin includes a first horizontal section, an arc-shaped transition section, a second horizontal section and an arc-shaped tail section connected in sequence, wherein the arc-shaped transition section increases in height from the front end to the rear end, so that the top surface of the cabin is arc-shaped and streamlined, thereby reducing the resistance of the truck during driving and improving the driving and transportation efficiency. However, the above technology still has problems during use due to structural limitations:

[0004] The existing expansion command vehicle increases storage space by setting up an expansion space, and sets a lifting floor in the expansion space, and the lifting floor is used to place items. At the same time, a cover is set on the upper end of the expansion space. Therefore, when taking out items on the lifting floor, it is necessary to first rotate the cover to open the expansion space, and then move the lifting floor upward to take out the items from the upper end of the expansion space. This taking out process is relatively cumbersome because the cover and the lifting floor cannot move synchronously. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the cover plate and the lifting floor cannot move synchronously, and to propose an automatic opening and closing structure for the lifting floor cover plate of an expanded command vehicle.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] An automatic opening and closing structure for a lifting floor cover of an expansion command vehicle includes a vehicle body, a placement chamber is provided on the vehicle body, an expansion chamber is provided at the lower end of the placement chamber, a fixed opening connected to the placement chamber is provided in the expansion chamber, a movable flat plate for placing items is provided in the expansion chamber, an opening cover is rotatably provided at the fixed opening, and when the movable flat plate moves upward, the opening cover rotates to a vertical state, and a driving mechanism is provided in the placement chamber and the expansion chamber, and the driving mechanism is used to drive the movable flat plate to move linearly.

[0008] Preferably, a rotating cover door is rotatably installed on the vehicle body, and the rotating cover door is used to open and close the placement chamber, and the movable flat plate and the opening cover plate are both rectangular plate structures.

[0009] Preferably, the driving mechanism includes a vertical slide groove opened in the expansion chamber, a pushing cylinder is fixedly installed in the vertical slide groove, the movable plate is slidably sleeved in the vertical slide groove, and the movable plate is fixedly connected to the output end of the pushing cylinder.

[0010] Preferably, the driving mechanism also includes a driving rack fixedly connected to the upper end of the movable plate, a driving opening connected to the expansion chamber is opened at the bottom end of the placement chamber, a mounting bracket is fixedly connected to the bottom end of the placement chamber, a rotating shaft is rotatably installed on the mounting bracket, a driven gear meshing with the driving rack is keyed on the rotating shaft, and the rotating shaft is fixedly connected to a connecting piece fixedly connected to the opening cover.

[0011] Preferably, two driving motors are fixedly installed on the expansion chamber, a rotating shaft fixedly connected to the output end of the driving motor is rotatably installed in the expansion chamber, a driving gear is keyed to the rotating shaft, a horizontal slide groove is provided at the bottom end of the expansion chamber, a sliding sleeve in the horizontal slide groove is provided with a movable rack meshing with the driving gear, and a movable clamping plate is fixedly connected to both movable racks.

[0012] Preferably, the driving rack is movably sleeved in the driving opening, the connecting piece is an L-shaped rod structure, and the two movable clamping plates move relatively close to each other to clamp the movable flat plate.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] The utility model first starts the pushing cylinder, allowing the movable plate to drive the driving rack to move upward together. Since the driving rack is meshed and connected with the driven gear, the driven gear rotates counterclockwise, and the driven gear drives the opening cover to rotate counterclockwise through the rotating shaft and the connecting piece, so that the opening cover rotates to a vertical state to open the expansion chamber. At the same time, the movable plate moves to the bottom of the fixed opening, and the items on the movable plate are taken out through the fixed opening, so that the opening cover and the movable plate move synchronously, thereby reducing the steps of taking out the items. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of an automatic switch structure for the lifting floor cover of an expanded command vehicle proposed in the utility model;

[0016] Figure 2 This is a front cross-sectional view of an automatic switch structure for the lifting floor cover of an expanded command vehicle proposed in the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified schematic diagram of part A;

[0018] Figure 4 This is a top-sectional schematic diagram of an automatic switch structure for the lifting floor cover of an expanded command vehicle proposed in the utility model;

[0019] Figure 5 For this utility model Figure 4 An enlarged schematic diagram of part B.

[0020] In the figure: 1. Car body; 2. Placement chamber; 3. Expansion chamber; 4. Fixed opening; 5. Moving plate; 6. Opening cover; 7. Rotating cover door; 8. Vertical slide; 9. Push cylinder; 10. Driving rack; 11. Driving opening; 12. Mounting bracket; 13. Rotating shaft; 14. Driven gear; 15. Connector; 16. Driving motor; 17. Rotating shaft; 18. Driving gear; 19. Horizontal slide; 20. Moving rack; 21. Moving clamping plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Reference Figure 1-Figure 5, an automatic opening and closing structure for the lifting floor cover of an expansion command vehicle, including a vehicle body 1, a placement chamber 2 is opened on the vehicle body 1, an expansion chamber 3 is opened at the lower end of the placement chamber 2, and the expansion chamber 3 is provided with a fixed opening 4 connected to the placement chamber 2, and a movable plate 5 for placing articles is provided in the expansion chamber 3, and a mouth-shaped baffle can be provided at the upper end of the movable plate 5 to prevent the articles from moving out of the movable plate 5, and an opening cover 6 is rotatably provided at the fixed opening 4. When the movable plate 5 moves upward, the opening cover 6 rotates to a vertical state and opens the fixed opening 4, and the movable plate 5 is located below the fixed opening 4. At this time, the articles are taken out through the fixed opening 4 to reduce the steps of taking out the articles, and the placement chamber 2 and the expansion chamber 3 are provided with a driving mechanism, and it is used to drive the movable plate 5 to move linearly. Preferably, a rotating cover door 7 is rotatably installed on the vehicle body 1, and the rotating cover door 7 is used to open and close the placement chamber 2. When the rotating cover door 7 is rotated to a vertical state, the placement chamber 2 is closed, and when the rotating cover door 7 is rotated to a horizontal state, the placement chamber 2 is opened. The movable plate 5 and the opening cover plate 6 are both rectangular plate structures.

[0023] Preferably, the driving mechanism includes a vertical slide 8 opened in the expansion chamber 3, a pushing cylinder 9 is fixedly installed in the vertical slide 8, the movable plate 5 is slidably sleeved in the vertical slide 8, and the movable plate 5 is fixedly connected to the output end of the pushing cylinder 9. The vertical linear guide of the vertical slide 8 is utilized to allow the output end of the pushing cylinder 9 to drive the movable plate 5 to move vertically and linearly.

[0024] Preferably, the driving mechanism also includes a driving rack 10 fixedly connected to the upper end of the mobile plate 5, a driving opening 11 connected to the expansion chamber 3 is opened at the bottom end of the placement chamber 2, a mounting bracket 12 is fixedly connected to the bottom end of the placement chamber 2, and the mounting bracket 12 is rotatably mounted with a rotating shaft 13, a driven gear 14 meshing with the driving rack 10 is keyed on the rotating shaft 13, and the rotating shaft 13 is fixedly connected to a connecting piece 15 fixedly connected to the opening cover 6, as shown in the attached Figure 3 As shown, when the driving rack 10 moves upward, the driven gear 14 rotates counterclockwise and the opening cover 6 rotates to a vertical state to open the fixed opening 4. When the driving rack 10 moves downward, the driven gear 14 rotates clockwise and the opening cover 6 rotates to a horizontal state to close the fixed opening 4.

[0025] Preferably, two drive motors 16 are fixedly mounted on the expansion chamber 3, a rotating shaft 17 fixedly connected to the output end of the drive motor 16 is rotatably mounted in the expansion chamber 3, a driving gear 18 is keyed to the rotating shaft 17, a horizontal slot 19 is provided at the bottom end of the expansion chamber 3, a movable rack 20 is slidably sleeved in the horizontal slot 19 and meshed with the driving gear 18, and a movable clamping plate 21 is fixedly connected to each of the two movable racks 20. By starting the two drive motors 16, the meshing transmission of the driving gear 18 and the movable rack 20 causes the two movable clamping plates 21 to move relatively close to each other and clamp the movable plate 5 to improve the stability of the movable plate 5 when placing items. When the two movable clamping plates 21 move away from each other in the opposite direction, the clamping of the movable plate 5 is released, so that the movable plate 5 can move vertically and linearly. The drive rack 10 is movably sleeved in the drive opening 11, and the drive rack 10 moves through the drive opening 11 to the placement chamber 2. The connecting member 15 is an L-shaped rod structure.

[0026] The functional principle of this utility model can be explained through the following operation modes:

[0027] First, rotate the rotary cover door 7 to the horizontal state and open the placement chamber 2. Then start the push cylinder 9, and let the output end of the push cylinder 9 drive the movable plate 5 to move upward. The movable plate 5 drives the driving rack 10 to move upward together. Since the driving rack 10 is engaged with the driven gear 14, as shown in the attached figure, Figure 3 As shown, the driven gear 14 rotates counterclockwise, and the driven gear 14 drives the opening cover 6 to rotate counterclockwise through the rotating shaft 13 and the connecting member 15, so that the opening cover 6 rotates to a vertical state to open the expansion chamber 3. At the same time, the movable plate 5 moves to the bottom of the fixed opening 4, and the items on the movable plate 5 are taken out through the fixed opening 4.

[0028] After the movable plate 5 completes its movement, the two driving motors 16 are started. The output end of the driving motor 16 drives the rotating shaft 17 to rotate, and the rotating shaft 17 drives the driving gear 18 to rotate. Since the driving gear 18 is meshed with the movable rack 20, the movable rack 20 moves linearly in the horizontal slide 19, and the two movable racks 20 drive the two movable clamping plates 21 to move relatively close to each other and clamp the movable plate 5.

[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic opening and closing structure for a lifting floor cover of an expansion command vehicle, comprising a vehicle body (1), characterized in that: The vehicle body (1) is provided with a placement chamber (2), an expansion chamber (3) is provided at the lower end of the placement chamber (2), a fixed opening (4) communicating with the placement chamber (2) is provided in the expansion chamber (3), a movable flat plate (5) for placing articles is provided in the expansion chamber (3), an opening cover (6) is rotatably provided at the fixed opening (4), and when the movable flat plate (5) moves upward, the opening cover (6) rotates to a vertical state, and a driving mechanism is provided in the placement chamber (2) and the expansion chamber (3), and the driving mechanism is used to drive the movable flat plate (5) to move linearly.

2. The automatic opening and closing structure of the lifting floor cover of the expansion command vehicle according to claim 1 is characterized in that: A rotating cover door (7) is rotatably mounted on the vehicle body (1), and the rotating cover door (7) is used to open and close the placement chamber (2). The movable flat plate (5) and the opening cover plate (6) are both rectangular plate structures.

3. The automatic opening and closing structure of the lifting floor cover of the expansion command vehicle according to claim 1 is characterized in that: The driving mechanism comprises a vertical slide groove (8) provided in the expansion chamber (3), a pushing cylinder (9) is fixedly installed in the vertical slide groove (8), the movable plate (5) is slidably sleeved in the vertical slide groove (8), and the movable plate (5) is fixedly connected to the output end of the pushing cylinder (9).

4. The automatic opening and closing structure of the lifting floor cover of the expansion command vehicle according to claim 3 is characterized in that: The driving mechanism further comprises a driving rack (10) fixedly connected to the upper end of the movable plate (5); a driving opening (11) communicating with the expansion chamber (3) is provided at the bottom end of the placement chamber (2); a mounting bracket (12) is fixedly connected to the bottom end of the placement chamber (2); a rotating shaft (13) is rotatably mounted on the mounting bracket (12); a driven gear (14) meshingly connected to the driving rack (10) is keyed on the rotating shaft (13); and a connecting piece (15) fixedly connected to the opening cover (6) is fixedly connected to the rotating shaft (13).

5. The automatic opening and closing structure of the lifting floor cover of the expansion command vehicle according to claim 4 is characterized in that: Two driving motors (16) are fixedly installed on the expansion chamber (3), a rotating shaft (17) fixedly connected to the output end of the driving motor (16) is rotatably installed in the expansion chamber (3), a driving gear (18) is keyed on the rotating shaft (17), a horizontal slide groove (19) is opened at the bottom end of the expansion chamber (3), a sliding sleeve is provided in the horizontal slide groove (19) with a moving rack (20) meshing with the driving gear (18), and a moving clamping plate (21) is fixedly connected to the two moving racks (20).

6. The automatic opening and closing structure of the lifting floor cover of the expansion command vehicle according to claim 5 is characterized in that: The driving rack (10) is movably sleeved in the driving opening (11); the connecting member (15) is an L-shaped rod structure; the two movable clamping plates (21) move relatively close to each other to clamp the movable plate (5).

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