Drive and cultivate supervisory equipment convenient to dismouting is fixed
阅读说明：本技术 一种便于拆装固定的驾培监控设备 (Drive and cultivate supervisory equipment convenient to dismouting is fixed ) 是由 杨立针 杨立 杨佳佳 于 2020-07-03 设计创作，主要内容包括：本发明提供了一种便于拆装固定的驾培监控设备,包括监控装置及显示屏,显示屏安装于车内、供学员及教练观看；监控装置包括第一支撑座,第一支撑座通过磁吸固定于车体外侧,第一支撑座上安装有可竖向调节的安装盒；安装盒上活动穿设有第一滑杆及第二滑杆,第一滑杆经第一锁紧旋钮固定,第二滑杆经第二锁紧旋钮固定；第一滑杆上设有第一摄像头,第一摄像头沿第一滑杆滑动、且可经第三锁紧旋钮固定,第二滑杆上设有第二摄像头,第二摄像头沿第二滑杆滑动、且可经第四锁紧旋钮固定；其结构新颖,可在车内对车体两侧的情况进行实时摄像监控,及时反应车体两侧的情况,可协助学员快速了解车辆周围情况,提高学习效率。(The invention provides driving training monitoring equipment convenient to disassemble, assemble and fix, which comprises a monitoring device and a display screen, wherein the display screen is arranged in a vehicle and is used for a student and a coach to watch; the monitoring device comprises a first supporting seat, the first supporting seat is fixed on the outer side of the vehicle body through magnetic attraction, and a vertically adjustable mounting box is mounted on the first supporting seat; a first sliding rod and a second sliding rod are movably arranged on the mounting box in a penetrating mode, the first sliding rod is fixed through a first locking knob, and the second sliding rod is fixed through a second locking knob; a first camera is arranged on the first sliding rod, slides along the first sliding rod and can be fixed through a third locking knob, a second camera is arranged on the second sliding rod, slides along the second sliding rod and can be fixed through a fourth locking knob; its novel structure can carry out the real-time camera monitoring to the condition of automobile body both sides in the car, and the condition of in time reaction automobile body both sides can assist the student to know the condition around the vehicle fast, improves learning efficiency.)
1. The utility model provides a drive and cultivate supervisory equipment convenient to dismouting is fixed, includes monitoring device and display screen (100), its characterized in that:
the display screen (100) is arranged in the vehicle and is used for students and coaches to watch;
the monitoring device comprises a first supporting seat (200), the first supporting seat (200) is fixed on the outer side of the vehicle body through magnetic attraction, and a vertically adjustable mounting box (300) is mounted on the first supporting seat (200); a first sliding rod (310) and a second sliding rod (320) are movably arranged on the mounting box (300) in a penetrating mode, the first sliding rod (310) and the second sliding rod (320) are symmetrically arranged relative to the center line of the mounting box (300), the first sliding rod (310) is fixed through a first locking knob (410), and the second sliding rod (320) is fixed through a second locking knob (420); a first camera (510) is arranged on the first sliding rod (310), the first camera (510) slides along the first sliding rod (310) and can be fixed through a third locking knob (430), a second camera (520) is arranged on the second sliding rod (320), and the second camera (520) slides along the second sliding rod (320) and can be fixed through a fourth locking knob (440); the mounting box (300) internally mounted has control scheme board (600), first camera (510), second camera (520) and display screen (100) all with control scheme board (600) electricity is connected.
2. The driving training monitoring apparatus facilitating detachment and fixation of claim 1, wherein:
the mounting box (300) comprises a box body (330) and a box cover (340) which are fixed through screws, a mounting cavity (350) is arranged in the middle of the box body (330), a first guide hole is formed in the middle of the bottom surface of the mounting cavity (350), and a second guide hole is formed in the box cover (330) corresponding to the first guide hole; the first supporting seat (200) comprises a bottom plate (210), and a first strong magnetic plate (220) is fixedly mounted on the bottom surface of the bottom plate (210); the mounting box is characterized in that a threaded rod (230) is fixedly arranged on the top surface of the bottom plate (210), the threaded rod (230) is matched with the first guide hole and the second guide hole, the threaded rod (230) penetrates through the first guide hole and the second guide hole, a first locking nut (240) and a second locking nut (250) are arranged on the threaded rod (230), the first locking nut (240) is located above the mounting box (300), the second locking nut (250) is located below the mounting box (300), and the mounting box (300) is fixed on the threaded rod (230) through the first locking nut (240) and the second locking nut (250).
3. The driving training monitoring apparatus facilitating detachment and fixation according to claim 2, wherein:
third guide holes are formed in the center positions of two ends of the mounting cavity (350), the third guide holes penetrate through the bottom surface of the box body (330), and fourth guide holes are formed in the box cover (340) corresponding to the third guide holes; two guide rods (260) are fixedly arranged on the top surface of the bottom plate (210), and the guide rods (260) penetrate through the corresponding third guide holes and the fourth guide holes in a sliding mode.
4. The driving training monitoring apparatus facilitating detachment and fixation according to claim 2, wherein:
a first guide groove (360) and a second guide groove (370) are respectively formed in the top surface of the box body (330) and on two sides of the installation cavity (350), the first guide groove (360) corresponds to and is in sliding fit with the first sliding rod (310), and the second guide groove (370) corresponds to and is in sliding fit with the second sliding rod (320); the top surfaces of the first sliding bar (310) and the second sliding bar (320) are flush with the top surface of the box body (330); the first locking knob (410) is arranged on one side of the box body (330) close to the first guide groove (360), and the second locking knob (420) is arranged on one side of the box body (330) close to the second guide groove (370).
5. The driving training monitoring apparatus facilitating mounting and dismounting as set forth in claim 4, wherein:
the first sliding rod (310) and the second sliding rod (320) are both in a long-strip square tube structure and have the same structure; the first guide groove (360) is matched with the first sliding rod (310) in shape, the second guide groove (370) is matched with the second sliding rod (320) in shape, and the first guide groove (360) and the second guide groove (370) are identical in structure.
6. The driving training monitoring apparatus facilitating mounting and dismounting as set forth in claim 4, wherein:
the number of the first locking knobs (410) is 2, and the first locking knobs are respectively arranged at two ends of the box body (330), and the number of the second locking knobs (420) is 2, and the second locking knobs are respectively arranged at two ends of the box body (330).
7. The driving training monitoring apparatus facilitating detachment and fixation according to claim 2, wherein:
a first sleeve (380) is slidably arranged on the first sliding rod (310), the first camera (510) is mounted on the first sleeve (380), and the third locking knob (430) is arranged on the first sleeve (380); a second sleeve (390) is slidably arranged on the second sliding rod (320), the second camera (520) is mounted on the second sleeve (390), and the fourth locking knob (440) is arranged on the second sleeve (390); the first sleeve (380) and the second sleeve (390) have the same structure, and the first camera (510) and the second camera (520) have the same structure.
8. The driver training monitoring device facilitating detachment and fixation of claim 7, wherein:
a first auxiliary supporting frame (700) is installed on the first sliding bar (310), the first auxiliary supporting frame (700) comprises a supporting plate (710), a second strong magnetic plate (720) is fixedly arranged at the bottom of the supporting plate (710), a pipe body (730) is fixedly arranged on the top surface of the supporting plate (710), the inner wall of the tube body (730) is provided with threads, the tube body (730) is provided with a support rod (740) in threaded connection, the top of the supporting rod (740) is pivoted with a third sleeve (750), and a fifth locking knob (450) is arranged at the pivoting position, the fifth locking knob (450) is used for locking the pivoting position of the third sleeve (750) and the supporting rod (740), the third sleeve (750) is sleeved on the first sliding rod (310), a sixth locking knob (460) is arranged on the third sleeve (750), the sixth locking knob (460) is used for the third sleeve (750) and the first slide bar (310); a second auxiliary supporting frame (800) is arranged on the second sliding rod (320), and the second auxiliary supporting frame (800) has the same structure as the first auxiliary supporting frame (700).
9. The driver training monitoring device facilitating detachment and fixation of the driver training apparatus according to claim 8, wherein:
the bottom of the first strong magnetic plate (220) and the bottom of the second strong magnetic plate (720) are pasted with anti-skid rubber pads, and the thickness of the anti-skid rubber pads is 1-2 mm.
10. The driving training monitoring apparatus facilitating detachment and fixation of claim 1, wherein:
be equipped with ARM treater (610), orientation module (620), reserve storage battery (630), bluetooth module (640) on control scheme board (600), bluetooth module (640) reserve storage battery (630) orientation module (620) first camera (510) second camera (520) reach display screen (100) all with ARM treater (610) electricity is connected.
Technical Field
The invention relates to the technical field of monitoring equipment, in particular to vehicle-mounted driving training monitoring equipment convenient to disassemble, assemble and fix.
Background
Due to the frequent occurrence of traffic accidents, the training of the vehicle management mechanism on the vehicle is more and more emphasized, the examination rules of driving schools are more and more strict, and the learning pressure of students is very large. For the trainees who do not touch the vehicle, the beginners are unfamiliar with the vehicle, whether the vehicle is out of bounds or collides with surrounding obstacles is unknown, particularly for the examination of subject two, the required investigation items are more, the requirements for the two sides of the vehicle body are higher, in the learning process, in each parking process, whether the parking is in place or not needs to be checked from the rearview mirror, but the checking of the rearview mirror can only be seen in a smaller range, and the trainees need to get off to check the vehicle integrally when necessary, so that the learning efficiency is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides vehicle-mounted driving training monitoring equipment convenient to disassemble, assemble and fix, which is novel in structure, can be used for carrying out real-time camera monitoring on the conditions on the two sides of a vehicle body in the vehicle, reflecting the conditions on the two sides of the vehicle body in time, assisting a student to quickly know the conditions around the vehicle and improving the learning efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a driving training monitoring device convenient to disassemble, assemble and fix comprises a monitoring device and a display screen, wherein the display screen is arranged in a vehicle and is used for a student and a coach to watch; the monitoring device comprises a first supporting seat, the first supporting seat is fixed on the outer side of the vehicle body through magnetic attraction, and a vertically adjustable mounting box is mounted on the first supporting seat; a first sliding rod and a second sliding rod are movably arranged on the mounting box in a penetrating mode, the first sliding rod and the second sliding rod are symmetrically arranged relative to the center line of the mounting box, the first sliding rod is fixed through a first locking knob, and the second sliding rod is fixed through a second locking knob; a first camera is arranged on the first sliding rod, the first camera slides along the first sliding rod and can be fixed through a third locking knob, a second camera is arranged on the second sliding rod, and the second camera slides along the second sliding rod and can be fixed through a fourth locking knob; the mounting box internally mounted has the control scheme board, first camera the second camera reaches the display screen all with the control scheme board electricity is connected.
In a preferred technical scheme of the invention, the mounting box comprises a box body and a box cover which are fixed through screws, wherein a mounting cavity is arranged in the middle of the box body, a first guide hole is formed in the middle of the bottom surface of the mounting cavity, and a second guide hole is formed in the box cover corresponding to the first guide hole; the first support seat comprises a bottom plate, and a first strong magnetic plate is fixedly arranged on the bottom surface of the bottom plate; the bottom plate top surface is fixed and is equipped with the threaded rod, the threaded rod with first guiding hole reaches second guiding hole adaptation, just the threaded rod runs through first guiding hole and second guiding hole, be equipped with first lock nut and second lock nut on the threaded rod, first lock nut is located the top of mounting box, second lock nut is located the below of mounting box, the mounting box passes through first lock nut reaches second lock nut is fixed in on the threaded rod.
In a preferred technical scheme of the invention, the center positions of two ends of the mounting cavity are both provided with third guide holes, the third guide holes penetrate through the bottom surface of the box body, and the box cover is provided with fourth guide holes corresponding to the third guide holes; and two guide rods are fixedly arranged on the top surface of the bottom plate, and the guide rods penetrate through the corresponding third guide holes and the fourth guide holes in a sliding manner.
In a preferred technical scheme of the invention, a first guide groove and a second guide groove are respectively arranged on the top surface of the box body on two sides of the installation cavity, the first guide groove corresponds to and is in sliding fit with the first slide bar, and the second guide groove corresponds to and is in sliding fit with the second slide bar; the top surfaces of the first sliding rod and the second sliding rod are flush with the top surface of the box body; the first locking knob is arranged on one side, close to the first guide groove, of the box body, and the second locking knob is arranged on one side, close to the second guide groove, of the box body.
In a preferred technical scheme of the invention, the first slide bar and the second slide bar are both in a long-strip square tube structure and have the same structure; the first guide groove is matched with the first slide bar in shape, the second guide groove is matched with the second slide bar in shape, and the first guide groove and the second guide groove are identical in structure.
In a preferred technical scheme of the invention, the number of the first locking knobs is 2 and the first locking knobs are respectively arranged at two ends of the box body, and the number of the second locking knobs is 2 and the second locking knobs are respectively arranged at two ends of the box body.
In a preferred technical scheme of the present invention, a first sleeve is slidably disposed on the first slide bar, the first camera is mounted on the first sleeve, and the third locking knob is disposed on the first sleeve; a second sleeve is arranged on the second sliding rod in a sliding mode, the second camera is mounted on the second sleeve, and the fourth locking knob is arranged on the second sleeve; the first sleeve and the second sleeve are identical in structure, and the first camera and the second camera are identical in structure.
In a preferred technical scheme of the invention, a first auxiliary support frame is mounted on the first slide bar, the first auxiliary support frame comprises a support plate, a second strong magnetic plate is fixedly mounted at the bottom of the support plate, a tube body is fixedly arranged on the top surface of the support plate, threads are arranged on the inner wall of the tube body, a support rod is arranged on the tube body in a threaded connection manner, a third sleeve is pivoted at the top of the support rod, a fifth locking knob is arranged at a pivoting position of the support rod, the fifth locking knob is used for locking the pivoting position of the third sleeve and the support rod, the third sleeve is sleeved on the first slide bar, a sixth locking knob is arranged on the third sleeve, and the sixth locking knob is used for connecting the third sleeve and the first slide bar; and a second auxiliary support frame is arranged on the second sliding rod, and the second auxiliary support frame has the same structure as the first auxiliary support frame.
In a preferred technical scheme of the invention, anti-skid rubber pads are adhered to the bottoms of the first strong magnetic plate and the second strong magnetic plate, and the thickness of each anti-skid rubber pad is 1-2 mm.
In a preferred technical scheme of the present invention, an ARM processor, a positioning module, a backup battery, and a bluetooth module are disposed on the control circuit board, and the bluetooth module, the backup battery, the positioning module, the first camera, the second camera, and the display screen are all electrically connected to the ARM processor.
The invention has the beneficial effects that:
the driving training monitoring equipment convenient to disassemble, assemble and fix is novel in structure, and a first strong magnetic plate is arranged at the bottom of a first supporting seat and can be fixed on a vehicle body in a magnetic adsorption mode; the mounting box vertically moves under the matching of the first locking nut, the second locking nut and the threaded rod, so that the height of the mounting box is adjusted; the mounting box is provided with a first sliding rod and a second sliding rod, and the first sliding rod and the second sliding rod can move along the mounting box and are locked by a first locking knob and a second locking knob respectively, so that the extension length of the first sliding rod and the extension length of the second sliding rod can be adjusted respectively, and a first camera and a second camera can be adjusted; the first camera is arranged on the first slide bar in a sliding manner and is fixed through the third locking knob, the second camera is arranged on the second slide bar in a sliding manner and is fixed through the fourth locking knob, and the positions of the first camera and the second camera can be further adjusted to be adapted to different vehicle type installation conditions; overall structure's installation adjustment cooperation, convenient operation can carry out the control of making a video recording in real time to the condition of automobile body both sides in the car, and the condition of in time reaction automobile body both sides can assist the student to know the condition around the vehicle fast, improves learning efficiency.
Drawings
FIG. 1 is a schematic diagram of a driving training monitoring device that facilitates easy assembly and disassembly of the device in accordance with an embodiment of the present invention;
FIG. 2 is a top view of a monitoring device in an embodiment of the present invention;
FIG. 3 is a top view of a cassette in an embodiment of the invention;
FIG. 4 is a schematic structural view of a first support base according to an embodiment of the present invention;
FIG. 5 is a schematic view of a first auxiliary supporting frame according to an embodiment of the present invention;
fig. 6 is a block diagram of a circuit according to an embodiment of the invention.
In the figure:
100. a display screen; 200. a first support base; 210. a base plate; 220. a first ferromagnetic plate; 230. a threaded rod; 240. a first lock nut; 250. a second lock nut; 260. a guide bar; 300. mounting a box; 310. a first slide bar; 320. a second slide bar; 330. a box body; 340. a box cover; 350. a mounting cavity; 360. a first guide groove; 370. a second guide groove; 380. a first sleeve; 390. a second sleeve; 410. a first locking knob; 420. a second locking knob; 430. a third locking knob; 440. a fourth locking knob; 450. a fifth locking knob; 460. a sixth locking knob; 510. a first camera; 520. a second camera; 600. a control circuit board; 610. an ARM processor; 620. a positioning module; 630. a backup battery; 640. a Bluetooth module; 700. a first auxiliary support frame; 710. a support plate; 720. a second ferromagnetic plate; 730. a pipe body; 740. a support bar; 750. a third sleeve; 800. the second auxiliary supporting frame.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 6, the driving training monitoring apparatus convenient to mount, dismount and fix provided in the embodiment of the present invention includes a monitoring device and a display screen 100, wherein the display screen 100 is mounted in a vehicle for a trainee and a coach to watch; the monitoring device comprises a first supporting seat 200, the first supporting seat 200 is fixed on the outer side of the vehicle body through magnetic attraction, and a vertically adjustable mounting box 300 is mounted on the first supporting seat 200; a first sliding bar 310 and a second sliding bar 320 are movably arranged on the mounting box 300 in a penetrating manner, the first sliding bar 310 and the second sliding bar 320 are symmetrically arranged about the center line of the mounting box 300, the first sliding bar 310 is fixed through a first locking knob 410, and the second sliding bar 320 is fixed through a second locking knob 420; a first camera 510 is arranged on the first sliding bar 310, the first camera 510 slides along the first sliding bar 310 and can be fixed by a third locking knob 430, a second camera 520 is arranged on the second sliding bar 320, and the second camera 520 slides along the second sliding bar 320 and can be fixed by a fourth locking knob 440; the mounting box 300 is internally provided with a control circuit board 600, and the first camera 510, the second camera 520 and the display screen 100 are electrically connected with the control circuit board 600.
Further, the mounting box 300 includes a box body 330 and a box cover 340 fixed by screws, a mounting cavity 350 is provided in the middle of the box body 330, a first guide hole is provided in the middle of the bottom surface of the mounting cavity 350, and a second guide hole is provided in the box cover 330 corresponding to the first guide hole; the first supporting seat 200 comprises a bottom plate 210, and a first ferromagnetic plate 220 is fixedly mounted on the bottom surface of the bottom plate 210; a threaded rod 230 is fixedly arranged on the top surface of the bottom plate 210, the threaded rod 230 is matched with the first guide hole and the second guide hole, the threaded rod 230 penetrates through the first guide hole and the second guide hole, a first locking nut 240 and a second locking nut 250 are arranged on the threaded rod 230, the first locking nut 240 is positioned above the mounting box 300, the second locking nut 250 is positioned below the mounting box 300, and the mounting box 300 is fixed on the threaded rod 230 through the first locking nut 240 and the second locking nut 250; due to the structural design of the box body 330 and the box cover 340, the control circuit board 600 in the box body 330 can be conveniently overhauled, and the operation is convenient.
Furthermore, the center positions of both ends of the mounting cavity 350 are both provided with third guide holes, the third guide holes penetrate through the bottom surface of the box body 330, and the box cover 340 is provided with fourth guide holes corresponding to the third guide holes; two
Further, a first guide groove 360 and a second guide groove 370 are respectively formed in the top surface of the box body 330 on two sides of the mounting cavity 350, the first guide groove 360 corresponds to and is in sliding fit with the first sliding rod 310, and the second guide groove 370 corresponds to and is in sliding fit with the second sliding rod 320; the top surfaces of the first slide bar 310 and the second slide bar 320 are flush with the top surface of the box body 330; the first locking knob 410 is disposed on a side of the case 330 adjacent to the first guide groove 360, and the second locking knob 420 is disposed on a side of the case 330 adjacent to the second guide groove 370.
Further, the first slide bar 310 and the second slide bar 320 are both in a long-strip square tube structure and have the same structure; the first guide groove 360 is matched with the first sliding rod 310 in shape, the second guide groove 370 is matched with the second sliding rod 320 in shape, and the first guide groove 360 and the second guide groove 370 are identical in structure; the structural design can ensure that the first sliding rod 310 and the second sliding rod 320 can be adjusted normally, and the extension length can be adjusted conveniently; the free ends of the first sliding bar 310 and the second sliding bar 320 are both fixedly provided with a limiting block, so as to prevent the first sliding bar 310 and the second sliding bar 320 from separating from the mounting box 300.
Further, the number of the first locking knobs 410 is 2 and are respectively disposed at two ends of the box body 330, and the number of the second locking knobs 420 is 2 and are respectively disposed at two ends of the box body 330; the structural design can provide a certain supporting strength to the first slide bar 310 and the second slide bar 320.
Further, a first sleeve 380 is slidably disposed on the first sliding bar 310, the first camera 510 is mounted on the first sleeve 380, and the third locking knob 430 is disposed on the first sleeve 380; the second sliding bar 320 is slidably provided with a second sleeve 390, the second camera 520 is mounted on the second sleeve 390, and the fourth locking knob 440 is arranged on the second sleeve 390; the first sleeve 380 and the second sleeve 390 have the same structure, and the first camera 510 and the second camera 520 have the same structure; this structural design can make things convenient for the position adjustment and the fixed of first camera 510 and second camera 520, the operation of being convenient for.
Further, a first auxiliary support frame 700 is mounted on the first slide bar 310, the first auxiliary support frame 700 includes a support plate 710, a second ferromagnetic plate 720 is fixedly mounted at the bottom of the support plate 710, a pipe body 730 is fixedly arranged on the top surface of the support plate 710, threads are arranged on the inner wall of the pipe body 730, a support rod 740 is connected to the pipe body 730 through the threads, a third sleeve 750 is pivotally connected to the top of the support rod 740, a fifth locking knob 450 is arranged at a pivotal position of the support rod 730, the fifth locking knob 450 is used for locking the pivotal position of the third sleeve 750 and the support rod 740, the third sleeve 750 is sleeved on the first slide bar 310, a sixth locking knob 460 is arranged on the third sleeve 750, and the sixth locking knob 460 is used for connecting the third sleeve 750 and the first slide bar 310; a second auxiliary supporting frame 800 is mounted on the second sliding bar 320, and the second auxiliary supporting frame 800 has the same structure as the first auxiliary supporting frame 700; the first auxiliary supporting frame 700 is arranged to support the first sliding rod 310 for the second time, the second auxiliary supporting frame 800 is arranged to support the second sliding rod 320 for the second time, and the first auxiliary supporting frame 700 and the second auxiliary supporting frame 800 are fixed on the vehicle body through magnetic adsorption, so that the operation is convenient; and the first auxiliary supporting frame 700 and the second auxiliary supporting frame 800 can be adjusted in lifting and position, so that the mounting requirements of different vehicle types can be better adapted.
Furthermore, anti-skid rubber pads are adhered to the bottoms of the first strong
Furthermore, an ARM processor 610, a positioning module 620, a backup battery 630 and a bluetooth module 640 are arranged on the control circuit board 600, and the bluetooth module 640, the backup battery 630, the positioning module 620, the first camera 510, the second camera 520 and the display screen 100 are all electrically connected to the ARM processor 610; the ARM processor 610, the positioning module 620, and the bluetooth module 640 are all common electronic modules in the market, and can be purchased and used directly in the market.
The driving training monitoring equipment convenient to disassemble, assemble and fix is novel in structure, and the first strong magnetic plate 220 is arranged at the bottom of the first supporting seat 200 and can be fixed on a vehicle body in a magnetic adsorption mode; the mounting box 300 is vertically moved under the cooperation of the first lock nut 240, the second lock nut 250 and the threaded rod 230, so that the height of the mounting box 300 is adjusted; the mounting box 300 is provided with a first sliding bar 310 and a second sliding bar 320, and the first sliding bar 310 and the second sliding bar 320 can move along the mounting box 300 and are locked by a first locking knob 410 and a second locking knob 420 respectively, so that the extension length adjustment of the first sliding bar 310 and the second sliding bar 320 is realized respectively, and the first camera 510 and the second camera 520 are further adjusted; the first camera 510 is slidably arranged on the first sliding rod 310 and is fixed through a third locking knob 430, the second camera 520 is slidably arranged on the second sliding rod 320 and is fixed through a fourth locking knob 440, and the positions of the first camera 510 and the second camera 520 can be further adjusted to adapt to different vehicle type installation conditions; overall structure's installation adjustment cooperation, convenient operation can carry out the control of making a video recording in real time to the condition of automobile body both sides in the car, and the condition of in time reaction automobile body both sides can assist the student to know the condition around the vehicle fast, improves learning efficiency.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
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