Environment detection unmanned aerial vehicle with protection device

By designing protective devices and automatic cleaning systems on environmental detection drones, the problem of unmanned aerial vehicles being unable to protect imaging equipment and difficult to clean when not in use is solved, and effective protection and efficient cleaning of the equipment are achieved.

CN119975877AInactive Publication Date: 2025-05-13WUHAN UNIV OF TECH
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Patent Information

Application Number
CN202510314461.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2025-05-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing environmental detection drones cannot effectively protect imaging equipment when not in use, and are difficult to be cleaned easily.

Method used

An environmental detection drone with protective devices is designed, using an external protective case and an internal protective case to protect the imaging equipment, and the external protective case is driven to move through gears and rack systems to achieve protection and cleaning of the equipment.

Benefits of technology

Effectively prevent the imaging equipment from being damaged by collision when not in use, and reduce the impact of dust through automatic cleaning function, improve the imaging effect and reduce the amount of manual labor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an environment detection unmanned aerial vehicle with a protection device, and belongs to the technical field of unmanned aerial vehicles, and the environment detection unmanned aerial vehicle comprises an unmanned aerial vehicle body used for driving imaging equipment to move for environment detection; the landing gear is used for carrying out landing protection on the unmanned aerial vehicle; the protection assembly is used for protecting the imaging equipment; the rotating assembly is used for driving the transmission assembly to operate so as to drive the protection assembly and the cleaning assembly to move; the transmission assembly is used for driving the protection assembly to move; the dismounting assembly is used for dismounting the cleaning assembly; the imaging equipment assembly is used for environment detection; the guide assembly is used for guiding and limiting the protection assembly; and the cleaning assembly is used for cleaning the imaging equipment. By arranging the outer protective shell and the inner protective shell, the motor is started to drive the gear to rotate, the rack can be driven to move, then the outer protective shell can be driven to move, the imaging equipment can be protected when the imaging equipment is not used, and the imaging equipment can be prevented from being collided and damaged easily.
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Description

Technical Field

[0001] The invention relates to an unmanned aerial vehicle, in particular to an environment detection unmanned aerial vehicle with a protective device, and belongs to the technical field of unmanned aerial vehicles. Background Art

[0002] Environmental detection drones are used to take photos and images of the environment. Generally, imaging equipment needs to be installed on the drone body for detection and imaging.

[0003] However, in actual use, existing environmental detection drones cannot easily protect the imaging equipment when the drone is not in use, causing the imaging equipment to be easily damaged by collisions. In addition, in actual use, the imaging equipment cannot be easily cleaned. Summary of the invention

[0004] The main purpose of the present invention is to solve the problem that it is not convenient to protect the imaging device and to clean the imaging device when the drone is not in use, and to provide an environmental detection drone with a protective device.

[0005] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0006] An environmental detection drone with a protective device, comprising:

[0007] The drone body is used to drive the imaging equipment to move and detect the environment;

[0008] Landing gear, used to protect the drone during takeoff and landing;

[0009] A protective component, used for protecting the imaging device;

[0010] The rotating assembly is used to drive the transmission assembly to operate, thereby driving the protection assembly and the cleaning assembly to move;

[0011] A transmission component, used for driving the protection component to move;

[0012] A disassembly component, used for disassembling the cleaning component;

[0013] Imaging equipment components for environmental detection;

[0014] A guide component, used for guiding and limiting the protective component;

[0015] The cleaning component is used to clean the imaging device.

[0016] Preferably, the drone body comprises a drone body, a drone rack and a spiral rod, a plurality of drone racks are mounted on the drone body, and a spiral rod is mounted on the drone rack.

[0017] Preferably, the landing gear comprises a landing rod and a landing plate, the landing rod is installed on the UAV body, and the landing plate is installed at one end of the landing rod.

[0018] Preferably, the protective assembly comprises an outer protective shell and an inner protective shell, the inner protective shell is installed at the bottom of the drone body, and the outer protective shell is slidably installed on the inner protective shell.

[0019] Preferably, the rotating assembly includes a motor, a motor frame, a first support rod and a rotating rod, the first support rod is installed on the landing plate, the motor frame is installed at one end of the first support rod, the motor is installed on the motor frame, and the rotating rod is installed at the output end of the motor.

[0020] Preferably, the transmission assembly comprises a gear, a rack and a connecting rod, the connecting rod is mounted on the outer protective shell, a rack is mounted on one end of the connecting rod, and a gear meshing with the rack is mounted on the rotating rod.

[0021] Preferably, the disassembly assembly includes a moving rod, a moving ring, a bottom block, a bottom rod, a spring, a disassembly rod, a supporting plate, a push rod, a connecting column and a moving block. The moving rod is installed on the outer protective shell, the moving ring is slidably installed on the moving rod, the bottom block is installed on the moving ring, the bottom of the bottom block is installed with the bottom rod, the moving ring is connected to the moving rod through a spring, the disassembly rod is installed on the drone body, a supporting plate is installed at one end of the disassembly rod, a push rod is installed on the supporting plate, one end of the bottom rod is connected to the cleaning assembly, the cleaning assembly is installed with a connecting column, and a moving block is installed at one end of the connecting column.

[0022] Preferably, the imaging device assembly includes an imaging device, a connecting frame, a first side block and a second support rod, the second support rod is installed at the bottom of the drone body, the first side block is installed at one end of the second support rod, the connecting frame is installed on the first side block, and the imaging device is installed on the connecting frame.

[0023] Preferably, the guide assembly includes a guide rod, a guide ring, a second side block and a side column. The guide rod is installed on the UAV body, the side column is installed on the outer protective shell, the second side block is installed at one end of the side column, and the second side block is installed on the guide ring which is slidably connected to the guide rod.

[0024] Preferably, the cleaning assembly includes a cleaning brush, a mounting plate and a mounting block, a mounting plate is installed at one end of the connecting column, a cleaning brush is slidably installed on the mounting plate, a mounting block is installed on the cleaning brush, a sliding groove that cooperates with the mounting block is opened on the mounting plate, the mounting block is a T-shaped slider, and the sliding groove is a T-shaped sliding groove.

[0025] Beneficial technical effects of the present invention:

[0026] 1. According to the environmental detection drone with a protective device of the present invention, by setting an outer protective shell and an inner protective shell, the motor is started to drive the gear to rotate, which can drive the rack to move, and then drive the outer protective shell to move, so that the imaging device can be protected when the imaging device is not in use, and the imaging device can be less susceptible to collision damage.

[0027] 2. By setting a cleaning brush, the gear drives the rack to move when it starts, and the rack moves when it moves, which drives the outer protective shell to move, thereby driving the cleaning brush to move to clean the imaging device, so that dust is not easy to affect the imaging effect of the imaging device, and by setting a moving block and a push rod to cooperate with each other, the outer protective shell starts to drive the cleaning brush to descend, and then drives the moving block to descend, and the moving block contacts with the push rod when it descends, and the outer protective shell continues to descend, and the push rod can squeeze the moving block, thereby driving the cleaning brush to move, and remove the cleaning brush from the outer protective shell, and when the cleaning brush slides out of the drone body, the cleaning brush is subjected to downward gravity, and the mounting block will slide in the slide groove, and the cleaning brush can be automatically disassembled, which is convenient for the staff to clean the cleaning brush, and there is no need to manually clean the imaging device, thereby reducing the labor of the staff, and there is no need to manually disassemble the cleaning brush, which can also reduce the labor of the staff, and the cleaning brush can be disassembled after cleaning the imaging device. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 It is a schematic diagram of the rack structure of the present invention;

[0030] Figure 3 It is a schematic structural diagram of the imaging device of the present invention;

[0031] Figure 4 It is a schematic diagram of the outer protective shell structure of the present invention;

[0032] Figure 5 It is a schematic diagram of the structure of the inner protective shell of the present invention;

[0033] Figure 6 It is a schematic diagram of the structure of the mobile rod of the present invention;

[0034] Figure 7 It is a schematic diagram of the structure of the cleaning brush of the present invention;

[0035] Figure 8 It is a schematic diagram of the structure of the moving block of the present invention;

[0036] Fig. 9 It is a schematic diagram of the mounting block structure of the present invention;

[0037] Fig.10It is a schematic diagram of the structure of the mounting plate of the present invention;

[0038] Fig.11 It is a schematic diagram of the push rod structure of the present invention.

[0039] In the figure: 1. UAV body; 11. UAV frame; 12. Screw rod; 2. Landing rod; 21. Landing plate; 3. Outer protective shell; 31. Inner protective shell; 4. Motor; 41. Motor frame; 42. First support rod; 43. Rotating rod; 5. Gear; 51. Rack; 52. Connecting rod; 6. Moving rod; 61. Moving ring; 62. Bottom block; 63. Bottom rod; 64. Spring; 65. Disassembly rod; 66. Support plate; 67. Push rod; 68. Connecting column; 69. Moving block; 7. Imaging device; 71. Connecting frame; 72. First side block; 73. Second support rod; 8. Guide rod; 81. Guide ring; 82. Second side block; 83. Side column; 9. Cleaning brush; 91. Mounting plate; 92. Mounting block. DETAILED DESCRIPTION

[0040] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0041] like Figure 1-Figure 11As shown, the environmental detection drone with a protective device provided in this embodiment includes a drone body, which is used to drive the imaging device to move for environmental detection; a landing gear, which is used to protect the drone from taking off and landing; a protective component, which is used to protect the imaging device; a rotating component, which is used to drive the transmission component to operate, and then drive the protection component and the cleaning component to move; a transmission component, which is used to drive the protection component to move; a disassembly component, which is used to disassemble the cleaning component; an imaging device component, which is used for environmental detection; a guide component, which is used to guide and limit the protection component; and a cleaning component, which is used to clean the imaging device. The drone body includes a drone body 1, a drone A machine frame 11 and a spiral rod 12, a plurality of drone frames 11 are installed on the drone body 1, a spiral rod 12 is installed on the drone frame 11, a landing gear includes a landing rod 2 and a landing plate 21, a landing rod 2 is installed on the drone body 1, and a landing plate 21 is installed at one end of the landing rod 2, a protective component includes an outer protective shell 3 and an inner protective shell 31, an inner protective shell 31 is installed at the bottom of the drone body 1, and an outer protective shell 3 is slidably installed on the inner protective shell 31, a rotating component includes a motor 4, a motor frame 41, a first support rod 42 and a rotating rod 43, a first support rod 42 is installed on the landing plate 21, and a motor frame 4 is installed at one end of the first support rod 42 1, a motor 4 is mounted on the motor frame 41, a rotating rod 43 is mounted on the output end of the motor 4, a transmission assembly includes a gear 5, a rack 51 and a connecting rod 52, a connecting rod 52 is mounted on the outer protective shell 3, a rack 51 is mounted on one end of the connecting rod 52, a gear 5 meshing with the rack 51 is mounted on the rotating rod 43, a guide assembly includes a guide rod 8, a guide ring 81, a second side block 82 and a side column 83, a guide rod 8 is mounted on the UAV body 1, a side column 83 is mounted on the outer protective shell 3, a second side block 82 is mounted on one end of the side column 83, a guide ring 81 slidably connected to the guide rod 8 is mounted on the second side block 82, and the outer protective shell 3 and the connecting rod 52 are provided. The inner protective shell 31, the motor 4 is started to drive the gear 5 to rotate, which can drive the rack 51 to move, and then drive the outer protective shell 3 to move, so as to protect the imaging device 7 when the imaging device 7 is not in use, and make the imaging device 7 less susceptible to collision damage. By setting the first support rod 42 to cooperate with the motor frame 41, it is convenient to support the motor 4, and by setting the landing rod 2 to cooperate with the landing plate 21, the UAV body 1 can be protected from landing. By setting the guide rod 8 and the guide ring 81 to be slidably connected, it is convenient to guide and limit the outer protective shell 3, and by setting the connecting rod 52, it is convenient to support the rack 51.

[0042] In this embodiment, if Figure 2 and Figure 3As shown, the disassembly assembly includes a moving rod 6, a moving ring 61, a bottom block 62, a bottom rod 63, a spring 64, a disassembly rod 65, a supporting plate 66, a push rod 67, a connecting column 68 and a moving block 69. The moving rod 6 is installed on the outer protective shell 3, and the moving ring 61 is slidably installed on the moving rod 6. The bottom block 62 is installed on the moving ring 61, and the bottom of the bottom block 62 is installed with the bottom rod 63. The moving ring 61 is connected to the moving rod 6 through the spring 64. The disassembly rod 65 is installed on the drone body 1, and a supporting plate 66 is installed at one end of the disassembly rod 65. The push rod 67 is installed on the supporting plate 66. One end of the bottom rod 63 is connected to the cleaning assembly, and a connecting column 68 is installed on the cleaning assembly. The moving block 69 is installed at one end of the connecting column 68. The imaging device assembly includes an imaging device 7, a connecting frame 71, a first side block 72 and a second support rod 73. The second support rod 73 is installed at the bottom of the drone body 1, and the first side block 72 is installed at one end of the second support rod 73. The connecting frame 71 is installed on the first side block 72, and the imaging device 7 is installed on the connecting frame 71. The cleaning assembly includes a cleaning brush 9, a mounting plate 91 and a mounting block 92. A mounting plate 91 is installed at one end of the connecting column 68, and a cleaning brush 9 is slidably installed on the mounting plate 91. The mounting block 92 is installed on the cleaning brush 9. A slide groove that cooperates with the mounting block 92 is opened on the mounting plate 91. The mounting block 92 is a T-shaped slider, and the slide groove is a T-shaped slide groove. By setting the cleaning brush 9, the gear 5 is driven when it is started. The rack 51 moves, and when the rack 51 moves, it drives the outer protective shell 3 to move, and then drives the cleaning brush 9 to move to clean the imaging device 7, so that dust is not easy to affect the imaging effect of the imaging device 7, and by setting the moving block 69 and the push rod 67 to cooperate with each other, the outer protective shell 3 starts to drive the cleaning brush 9 to descend, and then drives the moving block 69 to descend. When the moving block 69 descends, it contacts the push rod 67, and the outer protective shell 3 continues to descend. The push rod 67 can squeeze the moving block 69, and then drive the cleaning brush 9 to move, and remove the cleaning brush 9 from the outer protective shell 3. When the cleaning brush 9 slides out of the drone body 1, the cleaning brush 9 is subjected to the downward gravity, and the mounting block 92 will slide in the slide groove, which can be moved in The cleaning brush 9 can be automatically disassembled to facilitate the staff to clean the cleaning brush 9. There is no need to manually clean the imaging device 7, which reduces the labor of manual work. There is no need to manually disassemble the cleaning brush 9, which can also reduce the labor of the staff, and the cleaning brush 9 can be disassembled after cleaning the imaging device 7. By setting the mounting block 92 as a T-shaped slider and cooperating with the T-shaped slide groove, it is convenient to guide and limit the cleaning brush 9. By setting the connecting frame 71 and the second support rod 73 to cooperate with each other, it is convenient to support the imaging device 7. By setting the moving ring 61 to be slidably connected with the moving rod 6, it is convenient to guide and limit the cleaning brush 9. By setting the connecting column 68, it is convenient to support the moving block 69.

[0043] In this embodiment, if Figure 1-Figure 11As shown, the working process of an environment detection drone with a protective device provided in this embodiment is as follows:

[0044] Step 1: The motor 4 is started to drive the gear 5 to rotate, thereby driving the rack 51 to move, thereby driving the outer protective shell 3 to move, and the imaging device 7 is covered inside the outer protective shell 3 to protect the imaging device 7 when not in use;

[0045] Step 2: When the outer protective shell 3 descends, it drives the cleaning brush 9 to descend, and when the cleaning brush 9 descends, it drives the cleaning brush 9 to move to clean the imaging device 7;

[0046] Step 3: When the cleaning brush 9 descends, it drives the moving block 69 to descend. When the moving block 69 descends, it contacts the push rod 67. The outer protective shell 3 continues to descend. The push rod 67 squeezes the moving block 69, and the spring 64 shortens, thereby driving the moving ring 61 to slide on the moving rod 6. When the moving ring 61 slides, it drives the cleaning brush 9 to move and remove the cleaning brush 9 from the outer protective shell 3. When the cleaning brush 9 slides out of the drone body 1, the cleaning brush 9 is subjected to the downward gravity, and the mounting block 92 slides in the slide groove to automatically disassemble the cleaning brush 9, and the staff cleans the cleaning brush 9.

[0047] In summary, in this embodiment, according to the environmental detection drone with a protective device of this embodiment, by setting the outer protective shell 3 and the inner protective shell 31, the motor 4 is started to drive the gear 5 to rotate, which can drive the rack 51 to move, and then drive the outer protective shell 3 to move, so that the imaging device 7 can be protected when the imaging device 7 is not in use, and the imaging device 7 can be prevented from being damaged by collision. By setting the first support rod 42 to cooperate with the motor frame 41, it is convenient to support the motor 4, and by setting the landing rod 2 to cooperate with the landing plate 21, the drone can be The human-machine body 1 is provided with a take-off and landing protection. By setting a guide rod 8 and a guide ring 81 in sliding connection, it is convenient to guide and limit the outer protective shell 3. By setting a connecting rod 52, it is convenient to support the rack 51. By setting a cleaning brush 9, the gear 5 drives the rack 51 to move when it is started, and the rack 51 drives the outer protective shell 3 to move when it moves, and then the cleaning brush 9 can be driven to move to clean the imaging device 7, so that dust is not easy to affect the imaging effect of the imaging device 7. By setting a moving block 69 and a push rod 67 to cooperate with each other, the outer protective shell 3 starts to drive The cleaning brush 9 descends, thereby driving the moving block 69 to descend. When the moving block 69 descends, it contacts the push rod 67, and the outer protective shell 3 continues to descend. The push rod 67 can squeeze the moving block 69, thereby driving the cleaning brush 9 to move, and the cleaning brush 9 is removed from the outer protective shell 3. When the cleaning brush 9 slides out of the drone body 1, the cleaning brush 9 is subjected to downward gravity, and the mounting block 92 slides in the slide groove, and the cleaning brush 9 can be automatically disassembled, which is convenient for the staff to clean the cleaning brush 9. There is no need to manually clean the imaging device 7, thereby reducing the amount of manual labor. There is no need to manually disassemble the cleaning brush 9, and the workload of the staff can be reduced. The cleaning brush 9 can be disassembled after cleaning the imaging device 7. By setting the mounting block 92 as a T-shaped slider that cooperates with the T-shaped slide groove, it is convenient to guide and limit the cleaning brush 9. By setting the connecting frame 71 and the second support rod 73 to cooperate with each other, it is convenient to support the imaging device 7. By setting the moving ring 61 to be slidably connected with the moving rod 6, it is convenient to guide and limit the cleaning brush 9. By setting the connecting column 68, it is convenient to support the moving block 69.

[0048] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0049] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0050] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. An environmental detection drone with a protective device, characterized in that: include The drone body is used to drive the imaging equipment to move and detect the environment; Landing gear, used to protect the drone during takeoff and landing; A protective component, used for protecting the imaging device; The rotating assembly is used to drive the transmission assembly to operate, thereby driving the protection assembly and the cleaning assembly to move; A transmission component, used for driving the protection component to move; A disassembly component, used for disassembling the cleaning component; Imaging equipment components for environmental detection; A guide component, used for guiding and limiting the protective component; The cleaning component is used to clean the imaging device.

2. The environmental detection drone with a protective device according to claim 1, characterized in that: The drone body comprises a drone body (1), a drone frame (11) and a screw rod (12); a plurality of drone frames (11) are mounted on the drone body (1), and a screw rod (12) is mounted on the drone frame (11).

3. The environmental detection drone with a protective device according to claim 2, characterized in that: The landing gear comprises a landing rod (2) and a landing plate (21); the landing rod (2) is installed on the drone body (1); and the landing plate (21) is installed at one end of the landing rod (2).

4. The environmental detection drone with a protective device according to claim 3, characterized in that: The protective assembly comprises an outer protective shell (3) and an inner protective shell (31); the inner protective shell (31) is installed at the bottom of the drone body (1), and the outer protective shell (3) is slidably installed on the inner protective shell (31).

5. The environmental detection drone with a protective device according to claim 4, characterized in that: The rotating assembly comprises a motor (4), a motor frame (41), a first support rod (42) and a rotating rod (43); the first support rod (42) is mounted on the lifting plate (21); one end of the first support rod (42) is mounted on the motor frame (41); the motor (4) is mounted on the motor frame (41); and the rotating rod (43) is mounted on the output end of the motor (4).

6. The environmental detection drone with a protective device according to claim 5, characterized in that: The transmission assembly comprises a gear (5), a rack (51) and a connecting rod (52); the connecting rod (52) is mounted on the outer protective shell (3); one end of the connecting rod (52) is mounted with a rack (51); and the rotating rod (43) is mounted with a gear (5) meshing with the rack (51).

7. The environment detection drone with a protective device according to claim 6, characterized in that: The disassembly assembly comprises a moving rod (6), a moving ring (61), a bottom block (62), a bottom rod (63), a spring (64), a disassembly rod (65), a supporting plate (66), a push rod (67), a connecting column (68) and a moving block (69); the moving rod (6) is mounted on the outer protective shell (3); the moving ring (61) is slidably mounted on the moving rod (6); the bottom block (62) is mounted on the moving ring (61); the bottom of the bottom block (62) is mounted A bottom rod (63), the movable ring (61) is connected to the movable rod (6) via a spring (64), a disassembly rod (65) is installed on the drone body (1), one end of the disassembly rod (65) is installed with a support plate (66), a push rod (67) is installed on the support plate (66), one end of the bottom rod (63) is connected to a cleaning component, a connecting column (68) is installed on the cleaning component, and a moving block (69) is installed on one end of the connecting column (68).

8. The environment detection drone with a protective device according to claim 7, characterized in that: The imaging device assembly comprises an imaging device (7), a connecting frame (71), a first side block (72) and a second support rod (73); the second support rod (73) is installed at the bottom of the drone body (1); the first side block (72) is installed at one end of the second support rod (73); the connecting frame (71) is installed on the first side block (72); and the imaging device (7) is installed on the connecting frame (71).

9. The environment detection drone with a protective device according to claim 8, characterized in that: The guide assembly comprises a guide rod (8), a guide ring (81), a second side block (82) and a side column (83); the guide rod (8) is mounted on the UAV body (1); the side column (83) is mounted on the outer protective shell (3); the second side block (82) is mounted on one end of the side column (83); and the guide ring (81) slidably connected to the guide rod (8) is mounted on the second side block (82).

10. The environment detection drone with a protective device according to claim 9, characterized in that: The cleaning assembly comprises a cleaning brush (9), a mounting plate (91) and a mounting block (92); one end of the connecting column (68) is mounted with the mounting plate (91); the cleaning brush (9) is slidably mounted on the mounting plate (91); the cleaning brush (9) is mounted with the mounting block (92); the mounting plate (91) is provided with a slide groove that cooperates with the mounting block (92); the mounting block (92) is a T-shaped sliding block; and the slide groove is a T-shaped slide groove.