A quick-release floor locking device and inspection cover for a passenger bus

Abstract

The present invention provides a quick-release floor locking device for a passenger bus, which includes a long strip lock and a channel-shaped bracket. The long strip lock is arranged on the channel-shaped bracket. The long strip lock includes a long strip lock cover and a lock body. The long strip lock cover is hinged to the lock body. A lock block is arranged on the long strip lock cover, and the lock block is connected to a lock rod. The end of the lock rod is clamped in the lock body. A spring is arranged between the lock block and the lock body. Under the action of the spring force of the spring, the lock rod abuts against a protrusion on the lock body. One side of the lock cover is connected to a lock tongue, and a bolt through hole is arranged at the other end of the lock tongue. A bolt and a bolt spacer are arranged in the bolt through hole. The floor inspection cover of the present invention adopts a locking device, and there is no need for a special tool to open the inspection cover. Just press the lock block to open the inspection cover, and the disassembly is convenient.

Description

Technical Field

[0001] The invention belongs to the field of bus maintenance covers, and particularly relates to a quick-release floor locking device and a maintenance cover for a bus. Background Art

[0002] The statements in this part merely provide background technical information related to the present invention and do not necessarily constitute prior art.

[0003] Currently, maintenance openings are provided on the vehicle floor of buses to facilitate the maintenance of components such as engines and suspensions. To improve the maintenance efficiency, a quick-release floor maintenance cover structure is adopted. The existing quick-release floor maintenance cover structure of buses generally uses a spring quick-release lock. During installation, a special tool is used to compress the spring lock, and then it is rotated 90 degrees. The lock tongue and the bottom frame of the maintenance opening are pressed tightly by the spring force for connection. The existing quick-release maintenance cover of buses is only pressed and sealed by the spring force, and the sealing effect is not good. When the existing quick-release maintenance cover of buses is opened, a special tool is required, resulting in a long time for disassembling the maintenance cover. That is, the existing quick-release floor maintenance cover structure of buses has problems such as poor sealing effect and long disassembly time. Summary of the Invention

[0004] To overcome the deficiencies of the above-mentioned prior art, the present invention provides a quick-release floor locking device and a maintenance cover for a bus.

[0005] To achieve the above object, one or more embodiments of the present invention provide the following technical solutions:

[0006] The first aspect of the present invention provides a quick-release floor locking device for a bus, including: a long strip lock and a channel-shaped bracket, and the long strip lock is arranged on the channel-shaped bracket;

[0007] The long strip lock includes a long strip lock cover and a lock body, and the long strip lock cover is hinged to the lock body; a lock block is arranged on the long strip lock cover, and the lock block is connected to a lock rod; the end of the lock rod is clamped in the lock body; the lock block and the lock rod are connected to the lock cover through a lock block pin shaft, and the lock cover and the lock tongue are connected to the lock body through a lock tongue pin shaft;

[0008] A spring is arranged between the lock block and the lock body, and under the spring force of the spring, the lock rod abuts against a protrusion on the lock body;

[0009] A bolt through hole is arranged at the other end of the lock tongue, and a bolt and a bolt spacer are arranged in the bolt through hole.

[0010] The second aspect of the present invention provides a quick-release floor maintenance cover for a bus, including: a maintenance cover plate, a maintenance opening skeleton, a maintenance opening bottom frame, and a quick-release floor maintenance cover locking device for a bus;

[0011] The maintenance opening skeleton and the maintenance opening bottom frame are arranged on the lower surface of the maintenance cover plate, and the periphery of the maintenance opening bottom frame is welded to the maintenance opening skeleton;

[0012] The long lock of the locking device presses on the upper side of the inspection cover, and the channel-shaped bracket is arranged on the lower side of the inspection cover. The long lock and the channel-shaped bracket are fixed to the inspection cover through connecting bolts. At the same time, the lock tongue and the bolt cushion block press tightly on the bottom frame of the inspection opening; the inspection cover is sealed by the locking force between the quick-release lock and the bottom frame of the inspection opening.

[0013] The above one or more technical solutions have the following beneficial effects:

[0014] 1. The floor inspection cover of the present invention adopts a quick-release lock, and there is no need for special tools to open the inspection cover. Just press the lock block to open the inspection cover, which is convenient for disassembly.

[0015] 2. The floor inspection cover of the present invention is sealed by the locking between the quick-release lock and the bottom frame of the inspection opening, without the need for on-site drilling and installation, reducing the on-site construction time and avoiding scratching the floor covering during construction.

[0016] 3. After the floor inspection cover of the present invention is closed, the pressing degree of the floor inspection cover can be adjusted by adjusting the height of the bolt cushion block, improving the sealing effect of the inspection cover.

[0017] The advantages of the additional aspects of the present invention will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The specification drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0019] Figure 1 It is a structural diagram of the open state of a quick-release floor locking device for a bus in Embodiment 1.

[0020] Figure 2 It is a cross-sectional view of a lock rod and a lock block in Embodiment 1.

[0021] Figure 3 It is an installation schematic diagram of the lock rod and the lock block in Embodiment 1.

[0022] Figure 4 It is a cross-sectional view of a lock rod and a lock tongue in Embodiment 1.

[0023] Figure 5 It is an installation schematic diagram of the lock rod and the lock tongue in Embodiment 1.

[0024] Figure 6 It is a cross-sectional view of the closed state of a quick-release floor locking device for a bus in Embodiment 1.

[0025] Figure 7Installation schematic diagram of a locking device for Embodiment 1.

[0026] Figure 8 Structural schematic diagram of a quick-release floor inspection cover for a passenger car in Embodiment 2.

[0027] Figure 9 Top view of a quick-release floor inspection cover for a passenger car in Embodiment 2.

[0028] In the figure: 1. Inspection port skeleton, 2. Aluminum profile of the inspection cover, 3. Floor leather, 4. Bamboo woven floor, 5. Sound insulation material, 6. Inspection cover, 7. Quick-release lock, 8. Bottom frame of the inspection port, 9. Sealing strip, 10. Lock block cover, 11. Lock rod, 12. Lock cover, 13. Lock block, 14. Long strip lock, 15. Groove-shaped bracket, 16. Connecting bolt, 17. Return spring, 18. Lock body, 1801 Protrusion, 1802 First stepped plate, 1803 Second stepped plate, 1804 Connecting vertical plate, 19. Lock tongue, 20. Bolt cushion block, 21. Lock block pin shaft, 22. Lock tongue pin shaft. Detailed implementation manners

[0029] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0030] Embodiment 1

[0031] As Figures 1 to 3 shown, the present invention provides a quick-release floor locking device for a passenger car, including: a long strip lock 14 and a groove-shaped bracket 15. The long strip lock 14 is arranged on the groove-shaped bracket 15 and is connected to the groove-shaped bracket 15 through a connecting bolt 16. A through hole is opened on the groove-shaped bracket 15, and the connecting bolt 16 passes through the through hole opened on the groove-shaped bracket 15 and is connected to the bottom of the lock body 18.

[0032] The long strip lock 14 includes a lock rod 11, a lock cover 12, a spring 17 and a lock body 18. One end of the lock cover 12 is hinged to the lock body 18. The lock rod 11 is rotatably connected to the long strip lock cover 12 through a lock block 13. The lock block 13 is rotatably arranged on the lock cover 12 through a lock block pin shaft 21. A spring 17 is arranged between the lock block 13 and the lock body 18, and the other end of the spring 17 is fixed on the lock body 18.

[0033] When the lock cover 12 is closed, the end of the lock rod 11 abuts against the protrusion 1801 on the lock body 18 to prevent the lock cover 12 from loosening under the spring force of the spring 17. Press the lock block 13 on the long strip lock cover 12, the lock block 13 rotates to drive the lock rod 11 connected to the lock block 13 to rotate, so that the lock rod 11 moves away from the protrusion 1801 on the lock body 18, and the clamping connection between the lock rod 11 and the lock body 18 is released. At this time, the lock cover 12 pops open under the elastic force of the spring 17, realizing the release of the lock cover 12. Press the lock cover 12 and rotate the lock block 13 so that the end of the lock rod 11 abuts against the protrusion on the lock body 18 to realize the locking of the lock cover 12.

[0034] As Figure 4 、 Figure 5 One end of the lock cover 12 hinged to the lock body 18 is also connected to the lock tongue 19. When the lock cover 12 is opened or closed, the lock tongue 19 moves synchronously; the lock cover 12 and the lock tongue 19 are an integral body and are rigidly connected; a bolt through hole is provided at the other end of the lock tongue 19, and a bolt 20 and a bolt spacer are provided in the bolt through hole; the functions of the lock tongue 19 and the bolt spacer are to lock the inspection cover in the quick-release floor of the passenger car.

[0035] In this embodiment, the lock block 13 and the lock rod 11 are integral, and the lock cover 12 and the lock tongue 19 are integral; the lock block 13 and the lock rod 11 are connected to the lock cover 14 through a lock block pin shaft 21, and the lock cover 12 and the lock tongue 19 are connected to the lock body 18 through a lock tongue pin shaft 22;

[0036] Further, as Figure 6 shown, the lock body 18 is a stepped structure, including a first stepped plate 1802 and a second stepped plate 1803. A bolt hole is provided at the connecting vertical plate 1804 of the first stepped plate 1802 and the second stepped plate 1803; a protrusion 1801 is provided at the upper end of the connecting vertical plate 1804 and is coplanar with the first stepped plate 1802;

[0037] Further, the lock rod 11 includes a first bent rod 1101, a second bent rod 1102, a first abutting rod 1103 and a second abutting rod 1104;

[0038] The upper end of the first bent rod 1101 is connected to the lock block 13, the lower end is connected to the upper end of the second bent rod 1102, the lower end of the second bent rod 1102 is connected to the rod body of the first abutting rod 1103, and one end of the first abutting rod 1103 away from the protrusion 1801 is connected to the second abutting rod 1104; when the long strip lock cover 12 is closed, one end of the first abutting rod 1103 abuts against the protrusion 1801 on the lock body 18.

[0039] Embodiment Two

[0040] As Figures 7 to 9 shown, the present invention provides a quick-release floor inspection cover for a passenger car, including: an inspection cover plate 6, an inspection opening skeleton 1, an inspection opening bottom frame 8, an inspection cover aluminum profile 2, a floor leather 3, a bamboo woven floor 4, a sound insulation material 5, a sealing strip 9 and the quick-release floor inspection cover locking device in Embodiment One;

[0041] The inspection opening bottom frame 8 is welded to the inspection opening skeleton 1 around the circumference. The inspection opening skeleton 1 is arranged at the inspection opening, the inspection cover 6 is arranged on the inspection opening bottom frame 8, and a sound insulation material 5 is arranged between the bottom of the inspection cover 6 and the inner wall of the inspection opening bottom frame 8.

[0042] The long lock 14 in the locking device is pressed on the upper side of the inspection cover 6, and the groove bracket 15 is pressed on the lower side of the bamboo floor 4. The long lock 14 and the groove bracket 15 are fixed to the inspection cover 6 by connecting bolts 16; there is a locking block cover 10 on the inspection cover 6 to prevent accumulation of debris and affect the appearance and application.

[0043] The inspection cover 6 is sealed by the locking force between the quick-release lock 7 and the inspection port bottom frame 8; there is a spring between the lock block 13 and the lock body 18, and under the action of the spring force, the lock rod 11 supports the protrusion on the lock body 18 to prevent loosening.

[0044] The inspection cover 6 includes a floor covering 3 and a bamboo floor 4 laid in sequence; a circle of aluminum profiles 2 is arranged around the inspection cover 6; a sealing strip 9 is arranged around the inspection opening bottom frame 8, and the inspection cover 6 and the sealing strip 9 are pressed tightly by a quick release lock 7 to improve the sealing performance.

[0045] When the inspection cover 6 needs to be opened, the lock block 13 on the lock cover 12 is pressed, the lock rod 11 is away from the protrusion on the lock body 18, the lock cover 12 is released, and the lock tongue 19 and the bolt spacer 20 are away from the inspection port bottom frame 8, completing the quick disassembly of the inspection cover 6. When the inspection cover 6 is opened, the lock block 13 is pressed, and the lock cover 12 pops up and opens. Because the lock cover 12 and the lock tongue 19 are rigidly connected, the lock tongue and the bolt spacer 20 move together with the lock cover, and the movement trajectory is away from the inspection port bottom frame 8.

[0046] When the inspection cover 6 needs to be closed, the lock cover 12 is pressed down, and the lock rod 11 presses against the protrusion on the lock body 18 to lock the lock cover 12. At the same time, the lock tongue 19 and the bolt gasket 20 press the inspection port bottom frame 8 to lock the inspection cover 6; when the inspection cover 6 is not sealed tightly, the height of the bolt gasket 20 is adjusted to press the inspection port bottom frame 8 to improve the sealing of the inspection cover 6.

[0047] Although the above describes the specific implementation mode of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without creative work are still within the scope of protection of the present invention.

Claims

1. A quick-release floor inspection cover for a passenger bus, characterized in that, it includes: an inspection cover plate (6), an inspection opening skeleton (1), an inspection opening bottom frame (8), and a quick-release floor locking device for a passenger bus; The inspection opening skeleton (1) and the inspection opening bottom frame (8) are arranged on the lower surface of the inspection cover plate (6), and the inspection opening bottom frame (8) is welded to the inspection opening skeleton (1) around its circumference; The quick-release floor locking device for a passenger bus includes: a long strip lock (14) and a channel-shaped bracket (15), and the long strip lock (14) is arranged on the channel-shaped bracket (15); The long strip lock (14) includes a long strip lock cover (12) and a lock body (18), and the long strip lock cover (12) is hinged to the lock body (18); a lock block (13) is arranged on the long strip lock cover (12), and the lock block (13) is connected to a lock rod (11); the end of the lock rod (11) is clamped inside the lock body (18); the lock block (13) and the lock rod (11) are connected to the lock cover (12) through a lock block pin shaft (21), and the lock cover (12) and a lock tongue (19) are connected to the lock body (18) through a lock tongue pin shaft (22); A spring (17) is arranged between the lock block (13) and the lock body (18), and under the spring force of the spring (17), the lock rod (11) abuts against a protrusion (1801) on the lock body (18); The other end of the lock tongue (19) is provided with a bolt through hole, and a bolt and a bolt cushion block (20) are arranged in the bolt through hole. The functions of the lock tongue 19 and the bolt cushion block are to lock the inspection cover in the quick-release floor of the passenger bus; The lock tongue (19) is rigidly connected to the lock cover (12); The long strip lock (14) of the locking device presses on the upper side of the inspection cover plate (6), the channel-shaped bracket (15) is arranged on the lower side of the inspection cover plate (6), and the long strip lock (14) and the channel-shaped bracket (15) are fixed on the inspection cover plate (6) through a connecting bolt (16). At the same time, the lock tongue (19) and the bolt cushion block (10) press tightly on the inspection opening bottom frame (8); the inspection cover plate (6) is sealed through the locking force between the long strip lock (14) and the inspection opening bottom frame (8).

2. A quick-release floor inspection cover for a passenger bus according to claim 1, characterized in that, A through hole is opened at the bottom of the channel-shaped bracket (15), and the connecting bolt (16) passes through the through hole opened at the bottom of the channel-shaped bracket (15) and is connected to the bolt hole at the bottom of the lock body (18).

3. A quick-release floor inspection cover for a passenger bus according to claim 2, characterized in that, The lock body (18) is of a stepped structure, including a first stepped plate (1802) and a second stepped plate (1803). Bolt holes are arranged at the connecting vertical plate (1084) of the first stepped plate (1802) and the second stepped plate (1803); the protrusion (1801) is arranged at the upper end of the connecting vertical plate (1084) and is coplanar with the first stepped plate (1802).

4. A quick-release floor inspection cover for a passenger bus according to claim 3, characterized in that, The lock rod (11) includes a first bent rod (1101), a second bent rod (1102), a first abutting rod (1103), and a second abutting rod (1104); The upper end of the first bent rod (1101) is connected to the lock block (13), the lower end is connected to the upper end of the second bent rod (1102), the lower end of the second bent rod (1102) is connected to the rod body of the first abutting rod (1103), and one end of the first abutting rod (1103) away from the protrusion (1801) is connected to the second abutting rod (1104). When the long strip lock cover (12) is closed, one end of the first abutting rod (1103) abuts against the protrusion (1801) on the lock body (18).

5. The quick-release floor inspection cover for a passenger car according to claim 3, characterized in that the lock tongue (19) is arranged at the bottom of the first stepped plate (1802).

6. The quick-release floor inspection cover for a passenger car according to claim 1, characterized in that a circle of aluminum profiles (2) is arranged around the inspection cover plate (6), and the inspection cover plate (6) includes a floor leather (3) and a bamboo-woven floor (4) laid in sequence.

7. The quick-release floor inspection cover for a passenger car according to claim 1, characterized in that when the inspection cover plate (6) is not tightly sealed, the height of the bolt cushion block (20) is adjusted to press the inspection port bottom frame (8).

8. The quick-release floor inspection cover for a passenger car according to claim 1, characterized in that when the inspection cover plate (6) needs to be opened, the lock block (13) on the long strip lock cover (12) is pressed, the lock rod (11) is away from the protrusion (1801) on the lock body (18), the long strip lock cover (12) is released, and at the same time the lock tongue (19) and the bolt cushion block (20) are away from the inspection port bottom frame (8), and the quick disassembly of the inspection cover plate (6) is completed.

9. The quick-release floor inspection cover for a passenger car according to claim 1, characterized in that when the inspection cover plate (6) needs to be closed, the long strip lock cover (12) is pressed, the lock rod (11) abuts against the protrusion (1801) on the lock body (18), the long strip lock cover (12) is closed, and at the same time the lock tongue (19) and the bolt cushion block (20) press the inspection port bottom frame (8) to lock the inspection cover plate (6).

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