A vehicle-mounted computer support convenient to mount and dismount

Abstract

The application discloses a vehicle-mounted computer support convenient to mount and dismount, relates to the field of vehicle-mounted supports, and comprises an assembling component and a clamping component, the assembling component is installed at the back of a backrest of a car seat, the clamping component is movably connected with the assembling component, the assembling component comprises a lower back plate, an upper back plate and a fixing mechanism, the lower back plate and the upper back plate are rotatably connected, the fixing mechanism is movably connected between the lower back plate and the upper back plate, and the side surfaces of the lower back plate and the upper back plate are provided with tightening mechanisms. The application mainly utilizes a connecting rod below a headrest of a front seat backrest to support and hang, after supporting and hanging, the lower back plate and the upper back plate can be respectively attached to the back of the headrest and the back of the backrest, and cooperate with the tightening mechanisms to form a double-triangle structure, so that the overall stability of the support after installation is higher, and the overall mounting and dismounting only need to be achieved by mounting or dismounting the fixing mechanism on the connecting rod below the headrest of the front seat backrest, so that the operation is convenient and fast.

Description

Technical Field

[0001] This invention relates to the field of vehicle mounts, and more particularly to a vehicle computer mount that is easy to install and remove. Background Technology

[0002] As an important auxiliary tool for fixing electronic devices in modern vehicles, the ease of installation, structural stability and flexibility of use of car computer brackets have always been the focus of users. At present, most car brackets on the market adopt suction cup, clamp or plug-in fixing methods, such as adhering to the windshield or dashboard surface, or clamping to the air conditioning vent grille.

[0003] However, in practice, this type of fixing method is generally only applicable to front-seat passengers, while rear-seat passengers lack the necessary fixing and cannot use it. Therefore, rear-seat passengers can generally only use the tablet by hand. In addition, for the brackets used by rear-seat passengers, since most of the interior trim is soft, there is a lack of support points. Although the door is a rigid fixing structure, the angle of use is limited by the passenger's sitting posture. Furthermore, if it is directly clamped to the front seat, it will easily affect the front-seat passengers' comfort. On the other hand, because the seat is soft, the fixing stability is poor. Especially during vehicle movement, frequent vibrations can easily cause the clamping structure to loosen, leading to the device shaking or even falling. Summary of the Invention

[0004] (a) Purpose of the invention

[0005] In view of this, the purpose of this invention is to provide a vehicle computer bracket that is easy to install and remove. The bracket has high overall stability after installation, and the installation and removal of the whole can be done simply by installing the fixing mechanism onto the connecting rod under the headrest of the front seat back of the car or removing it. The operation is convenient and quick. Furthermore, through the ingenious design of the structure of the entire device, the device is stable during use, easy to disassemble, and simple to adjust.

[0006] (II) Technical Solution

[0007] To achieve the above technical objectives, the present invention provides a vehicle computer bracket that is easy to install and disassemble, comprising an assembly assembly and a mounting assembly. The assembly assembly is installed on the back of a car seat, and the mounting assembly is used to support and fix a tablet computer. The mounting assembly is movably connected to the assembly assembly. The assembly assembly includes a lower back plate, an upper back plate, and a fixing mechanism. The lower back plate and the upper back plate are rotatably connected, and the fixing mechanism is movably connected between the lower back plate and the upper back plate, for connecting the lower back plate and the upper back plate to the headrest linkage position on the back of the car seat. The sides of the lower back plate and the upper back plate are provided with a tightening mechanism, which causes the lower back plate and the upper back plate to have a tendency to rotate in the direction of decreasing included angle, so that the lower back plate, the upper back plate, and the seat back form a triangular structure.

[0008] As a further description of the above technical solution: the lower back plate includes a main board and a bushing welded above the main board. The bushing is welded and fixed along the length of the main board. Side shaft grooves are provided at the upper positions of both ends of the bushing. Side shafts are provided at the lower positions of both ends of the upper back plate. The two side shafts are respectively rotatably installed in the side shaft grooves provided at the upper positions of both ends of the bushing. It should also be noted that: in order to enable the lower back plate and the upper back plate to actively conform to the rear surface of the front seat of the car after installation, the main board adopts a torque shaft.

[0009] As a further description of the above technical solution: the middle section of the bushing is also provided with a central shaft groove, and the fixing mechanism includes a central shaft and a fixing part. The central shaft is rotatably installed in the central shaft groove. There are two fixing parts, which correspond to the two connecting rods below the headrest of the front seat backrest of the car, respectively. The fixing parts are vertically installed on the central shaft and can slide along the length direction of the central shaft. Based on this, the position of the fixing part can be adjusted according to the actual distance between the two connecting rods below the headrest of the front seat backrest of the car.

[0010] As a further description of the above technical solution: two sliding grooves are formed on the surface of the central shaft along the length direction, and a slider is provided at one end of the fixing part, the slider being slidably engaged in the sliding groove.

[0011] As a further description of the above technical solution: the fixing part includes a rod part and a locking part, wherein the rod part includes a first rod section, a second rod section, and a threaded sleeve. The threaded sleeve is rotatably installed at one end of the first rod section, and the other end of the threaded sleeve is rotatably sleeved on the second rod section through a threaded structure. The slider is disposed at one end of the second rod section. Therefore, when the threaded sleeve rotates, the overall effective length of the first rod section, the second rod section, and the threaded sleeve can be changed under the action of the threaded structure, so that the lower back plate and the upper back plate can better fit with the car seat back and headrest after installation, increasing the stability of the device after installation. The locking part is installed at the front end of the first rod section and is used to connect with the connecting rod below the headrest of the front seat back of the car.

[0012] As a further description of the above technical solution: the locking part includes:

[0013] A fixing ring with an opening at the front end and a circular structure, the two ends of the fixing ring are hollowed out, and an arc-shaped groove is formed on the surface of the fixing ring along the circumference.

[0014] A movable ring, one end of which is movably inserted into the fixed ring;

[0015] The movable ring is connected to a lever at one end inside the fixed ring, and the lever is slidably engaged in the arc-shaped groove.

[0016] As a further description of the above technical solution: the tightening mechanism is provided in two sets, respectively located on both sides of the assembly component. The tightening mechanism includes an elastic pull rope and fixing screws installed at both ends of the elastic pull rope. The main board and the upper backrest are provided with screw holes on their sides. The fixing screws at both ends of the elastic pull rope are respectively inserted into the screw holes on the sides of the main board and the upper backrest. The elastic force of the elastic pull rope can make the lower backrest and the upper backrest have a tendency to rotate in the direction of decreasing included angle, so that the lower backrest and the upper backrest can be tightly pressed against the seat back and headrest, respectively.

[0017] As a further description of the above technical solution: the front surface of the mounting assembly is provided with a flat card slot, the inner wall of the flat card slot is embedded with a protective pad, and a pressure plate is movably installed inside the flat card slot. The pressure plate can move along a plane perpendicular to the mounting assembly. The back of the pressure plate is connected to a movable piece through a movable rod. A first spring is installed on the movable piece. A card sleeve is installed on the back of the mounting assembly corresponding to the position of the movable rod. The movable piece is slidably inserted into the card sleeve.

[0018] As a further description of the above technical solution: the bushing is provided with end shaft grooves at both ends, and two end shafts are installed on the upper back of the mounting assembly. The two end shafts are rotatably installed in the end shaft grooves at both ends of the bushing, and a locking mechanism for locking the end shaft is provided at one end of the bushing.

[0019] As a further description of the above technical solution: the locking mechanism includes an end cap and a pull rod, wherein the end cap is disposed at one end of the bushing, and a second toothed portion is provided on the side of the end cap near the bushing. A first toothed portion capable of engaging with the second toothed portion is provided at the end of the bushing that contacts the end cap. The pull rod is fixed at the center position of the end cap near the bushing. A rectangular cavity with a rectangular cross-section is opened inside the end shaft. A rectangular plate with a rectangular structure is slidably installed in the cavity. One end of the pull rod is inserted into the cavity and connected to the rectangular plate. A second spring is provided between the inner wall of the cavity and the rectangular plate. The second spring can provide an inward pulling force to the end cap through the rectangular plate and the pull rod, so that the second toothed portion on the end cap can maintain engagement with the first toothed portion at the end of the bushing.

[0020] In the above technical solution, the present invention provides a car computer bracket that is easy to install and disassemble. This device mainly uses the connecting rod under the headrest of the front seat backrest of the car for support and suspension. After the support and suspension are completed, the lower backrest and the upper backrest can respectively fit against the back of the headrest and the back of the backrest, forming a double triangle structure with the tightening mechanism. That is, a triangle structure is formed between the lower backrest, the fixing mechanism, and the tightening mechanism, and between the upper backrest, the fixing mechanism, and the tightening mechanism. Therefore, the overall stability of the bracket after installation is high, and the overall installation and disassembly only require installing the fixing mechanism onto the connecting rod under the headrest of the front seat backrest of the car or removing it. The operation is convenient and quick. Furthermore, through the ingenious design of the structure of the entire device, the device is stable during use, easy to disassemble, and simple to adjust. In summary, this device makes full use of the vehicle structure and realizes the support of the tablet computer in the rear passenger seat without affecting the riding of the front passenger. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1 A schematic diagram of the overall structure of a vehicle-mounted computer bracket that is easy to install and disassemble, provided by the present invention;

[0023] Figure 2 A schematic diagram of the structure of a vehicle-mounted computer bracket for easy installation and disassembly provided by the present invention when mounting a tablet computer;

[0024] Figure 3A partial structural disassembly diagram of a vehicle-mounted computer bracket that is easy to install and disassemble, provided by the present invention;

[0025] Figure 4 A schematic diagram of the connection structure of the mounting component in a vehicle-mounted computer bracket that is easy to install and disassemble, provided by the present invention;

[0026] Figure 5 A schematic diagram of the mounting component structure in a vehicle-mounted computer bracket that is easy to install and disassemble, provided by the present invention;

[0027] Figure 6 A schematic diagram of the assembly component structure in a vehicle-mounted computer bracket that is easy to install and disassemble, provided by the present invention;

[0028] Figure 7 Another perspective structural diagram of the assembly components in a vehicle-mounted computer bracket that is easy to install and disassemble, provided by the present invention;

[0029] Figure 8 A schematic diagram of the fixing mechanism in a vehicle-mounted computer bracket that is easy to install and disassemble, provided by the present invention;

[0030] Figure 9 This invention provides a schematic diagram of the fixing part structure of a vehicle-mounted computer bracket that is easy to install and disassemble.

[0031] Figure Descriptions: 1. Assembly Component; 10. Lower Support Plate; 100. Main Board; 1000. Screw Hole; 101. Bushing; 1010. Central Shaft Groove; 1011. Side Shaft Groove; 1012. End Shaft Groove; 1013. First Toothed Part; 11. Upper Support Plate; 110. Side Shaft; 12. Fixing Mechanism; 120. Fixing Part; 1200. Fixing Ring; 1201. Movable Ring; 1202. Lever; 1203. Arc Groove; 1204. First Section Rod; 1205. Threaded Sleeve; 1206. Second Section Rod; 1207. Slider; 121. Central Shaft; 1210. Slide Groove; 1211. Third Spring; 13. Tightening Mechanism; 130. With Elastic Pull Rope; 131. Fixing Screw;

[0032] 2. Mounting assembly; 20. Sleeve; 21. End shaft; 22. Flat plate slot; 220. Protective pad;

[0033] 3. Pressure plate; 30. Movable rod; 31. Movable plate; 32. First spring;

[0034] 4. Tablet PC;

[0035] 5. Locking mechanism; 50. End cap; 500. Second toothed part; 51. Pull rod; 52. Rectangular plate; 53. Second spring. Detailed Implementation

[0036] The following description is exemplary in nature and is not intended to limit the scope, application, or use of this disclosure. It should be understood that in all these figures, the same or similar reference numerals indicate the same or similar parts and features. The figures are merely schematic representations of the concept and principles of embodiments of this disclosure and do not necessarily show the specific dimensions and scale of the various embodiments of this disclosure. Certain details or structures of embodiments of this disclosure may be exaggerated in particular portions of certain figures.

[0037] like Figures 1-9 As shown: This embodiment provides a technical solution: a vehicle computer bracket that is easy to install and disassemble, including an assembly component 1 and a mounting component 2. The assembly component 1 is installed on the back of a car seat, and the mounting component 2 is used to support and fix a tablet computer 4. The mounting component 2 is movably connected to the assembly component 1. The assembly component 1 includes a lower back plate 10, an upper back plate 11 and a fixing mechanism 12. The lower back plate 10 and the upper back plate 11 are rotatably connected. The fixing mechanism 12 is movably connected between the lower back plate 10 and the upper back plate 11 and is used to connect the lower back plate 10 and the upper back plate 11 to the headrest link position on the back of the car seat. The sides of the lower back plate 10 and the upper back plate 11 are provided with a tightening mechanism 13. The tightening mechanism 13 causes the lower back plate 10 and the upper back plate 11 to have a tendency to rotate in the direction of decreasing included angle, so that the lower back plate 10, the upper back plate 11 and the seat back form a triangular structure.

[0038] Working principle: This device serves as a bracket for rear-seat passengers to view a tablet computer 4. It is fixed to the back of the front seat backrest and suspended by a connecting rod under the headrest. In use, first rotate the lower backrest 10 and upper backrest 11 outwards as much as possible to maximize the angle between them, facilitating the connection of the fixing mechanism 12 to the connecting rod under the headrest. After connection, rotate the lower backrest 10 and upper backrest 11. Under the action of the tightening mechanism 13, the lower backrest 10 and upper backrest 11 will fit against the back of the headrest and the back of the seat back respectively, forming a triangular structure through the tension of the tightening mechanism 13, thus improving the stability of the entire fixing structure. After completion, the mounting component 2 is suspended behind the seat back. The tablet computer 4 can then be mounted inside the mounting component 2, making operation convenient and quick.

[0039] In summary, when in use, this device mainly relies on the connecting rod below the headrest of the front seat backrest of the car for suspension support. After suspension support, the lower backrest plate 10 and the upper backrest plate 11 can respectively fit against the back of the headrest and the back of the backrest, forming a double triangular structure with the tightening mechanism 13. That is, triangular structures are formed between the lower backrest plate 10, the fixing mechanism 12, and the tightening mechanism 13, and between the upper backrest plate 11, the fixing mechanism 12, and the tightening mechanism 13. Therefore, the overall stability of the bracket after installation is high, and the overall installation and disassembly only require installing the fixing mechanism 12 onto the connecting rod below the headrest of the front seat backrest of the car or removing it, making the operation convenient and quick.

[0040] Specifically, such as Figure 6 As shown, in order to fix the assembly component 1 and ensure its stability when installed on the back of the front seat of a car, in this embodiment, the lower backrest plate 10 includes a main plate 100 and a bushing 101 welded to the top of the main plate 100. The bushing 101 is welded and fixed along the length of the main plate 100. Side shaft grooves 1011 are provided at the upper positions of both ends of the bushing 101. Side shafts 110 are provided at the lower positions of both ends of the upper backrest plate 11. The two side shafts 110 are rotatably mounted on both ends of the bushing 101. Regarding the side shaft groove 1011 opened at the top, it should also be noted that: in order for the lower back plate 10 and the upper back plate 11 to actively conform to the rear surface of the front seat after installation, the main board 100 adopts a torsion shaft. Specifically, a torsion spring is sleeved on the main board 100. Through the elastic force of the torsion spring, the lower back plate 10 and the upper back plate 11 have a tendency to rotate in the direction of decreasing included angle. Therefore, the lower back plate 10 and the upper back plate 11 can respectively conform to the back of the front seat and the back of the headrest.

[0041] Specifically, such as Figures 6-9 As shown, in order to install the assembly component 1 onto the back of the car seat, in this embodiment, the middle section of the bushing 101 is also provided with a central shaft groove 1010. The fixing mechanism 12 includes a central shaft 121 and a fixing part 120. The central shaft 121 is rotatably installed in the central shaft groove 1010. There are two fixing parts 120, which correspond to the two connecting rods below the headrest of the front seat back of the car. The fixing part 120 is vertically installed on the central shaft 121 and can slide along the length direction of the central shaft 121. Based on this, the position of the fixing part 120 can be adjusted according to the actual distance between the two connecting rods below the headrest of the front seat back of the car.

[0042] Specifically, such as Figures 6-9As shown, in order to achieve lateral position adjustment of the two fixed parts 120, in this embodiment, two sliding grooves 1210 are formed on the surface of the central shaft 121 along the length direction. A slider 1207 is provided at one end of the fixed part 120. The slider 1207 is slidably engaged in the sliding groove 1210. Based on this, when the slider 1207 slides in the sliding groove 1210, the lateral position of the two fixed parts 120 changes, that is, the distance between the two fixed parts 120 changes, making it more applicable. A third spring 1211 is provided inside the sliding groove 1210. The third spring 1211 can provide a pushing force to the slider 1207 to move towards the center, thus making the stability of the device higher after installation.

[0043] Specifically, such as Figures 6-9 As shown, to facilitate the installation of the fixing part 120, in this embodiment, the fixing part 120 includes a rod part and a locking part. The rod part includes a first rod 1204, a second rod 1206, and a threaded sleeve 1205. The threaded sleeve 1205 is rotatably installed at one end of the first rod 1204, and the other end of the threaded sleeve 1205 is rotatably sleeved on the second rod 1206 through a threaded structure. The slider 1207 is disposed at one end of the second rod 1206. Therefore, when the threaded sleeve 1205 rotates, under the action of the threaded structure, the overall effective length of the first rod 1204, the second rod 1206, and the threaded sleeve 1205 can be changed, so that the lower back plate 10 and the upper back plate 11 can better fit with the car seat back and headrest after installation, increasing the stability of the device after installation. The locking part is installed at the front end of the first rod 1204 and is used to connect with the connecting rod under the headrest of the front seat back of the car.

[0044] Specifically, such as Figure 9 As shown, in order to connect with the linkage below the headrest of the front seat back of the car, in this embodiment, the locking part includes:

[0045] A fixing ring 1200 with an opening at the front end and a circular structure, with hollowed-out ends at both ends of the fixing ring 1200 and an arc-shaped groove 1203 formed on the surface of the fixing ring 1200 along the circumferential direction;

[0046] A movable ring 1201 is movably inserted into a fixed ring 1200 at one end;

[0047] The movable ring 1201 is inserted into the fixed ring 1200, and one end of the movable ring 1201 is connected to a lever 1202. The lever 1202 is slidably engaged in the arc-shaped groove 1203. Therefore, the movable ring 1201 can be moved by sliding the lever 1202. The movable ring 1201 controls the opening and closing of the front opening of the fixed ring 1200. When one end of the movable ring 1201 is inserted into the other end of the fixed ring 1200, the front opening of the fixed ring 1200 is closed. When one end of the movable ring 1201 is removed from the other end of the fixed ring 1200, the front opening of the fixed ring 1200 is opened. In use, the fixed ring 1200 is opened first. The front opening allows the retaining ring 1200 to be fitted onto the connecting rod below the headrest of the front seat backrest of the car. Then, the front opening of the retaining ring 1200 can be closed. The operation is convenient and quick. It should also be noted that the front end of the movable ring 1201 is embedded with a magnet, giving it magnetic properties. One end of the retaining ring 1200 contains a magnetic metal that can attract the magnet. Therefore, when one end of the movable ring 1201 is inserted into one end of the retaining ring 1200, closing the retaining ring 1200, the magnet's magnetic properties can attract and lock the movable ring 1201, preventing abnormal movement of the movable ring 1201 and causing the retaining ring 1200 to fall off.

[0048] Specifically, such as Figures 2-3 As shown, in order to make the assembly assembly 1 more stable when installed on the front seat back of the car, in this embodiment, two sets of tightening mechanisms 13 are provided, which are respectively provided on both sides of the assembly assembly 1. The tightening mechanism 13 includes an elastic pull rope 130 and fixing screws 131 installed at both ends of the elastic pull rope 130. The main board 100 and the upper backrest 11 are provided with screw holes 1000 on their sides. The fixing screws 131 at both ends of the elastic pull rope 130 are respectively inserted into the screw holes 1000 on the sides of the main board 100 and the upper backrest 11. The elastic force of the elastic pull rope 130 can make the lower backrest 10 and the upper backrest 11 have a tendency to rotate in the direction of decreasing included angle, so that the lower backrest 10 and the upper backrest 11 can be tightly pressed against the seat back and the headrest, respectively.

[0049] Specifically, such as Figures 1-5As shown, in order to fix the tablet computer 4, in this embodiment, the front surface of the mounting assembly 2 is provided with a tablet slot 22, and a protective pad 220 is embedded in the inner wall of the tablet slot 22. A pressure plate 3 is also movably installed inside the tablet slot 22. The pressure plate 3 can move along a plane perpendicular to the mounting assembly 2. The back of the pressure plate 3 is connected to a movable piece 31 through a movable rod 30. A first spring 32 is installed on the movable piece 31. A sleeve 20 is installed on the back of the mounting assembly 2 corresponding to the position of the movable rod 30. The movable piece 31 is slidably inserted into the sleeve 20. Based on this, the pressure plate 3 can be pushed outward by the elastic force of the first spring 32. Therefore, when the tablet computer 4 is stuck in the tablet slot 22, the pressure plate 3 can provide pressure to the tablet computer 4 to fix its included angle, which can improve the stability of the tablet computer 4.

[0050] Specifically, such as Figures 1-5 As shown, in order to enable the mounting assembly 2 to adjust its angle and maintain its stability after the assembly assembly 1 is fixed on the back of the car seat, in this embodiment, the bushing 101 is provided with end shaft grooves 1012 at both ends. Two end shafts 21 are installed on the upper back of the mounting assembly 2. The two end shafts 21 are rotatably installed in the end shaft grooves 1012 at both ends of the bushing 101. One end of the bushing 101 is provided with a locking mechanism 5 for locking the end shafts 21.

[0051] Specifically, such as Figures 1-5 As shown, in order to enable the mounting assembly 2 to hover at a set angle as needed, in this embodiment, the locking mechanism 5 includes an end cap 50 and a pull rod 51. The end cap 50 is disposed at one end of the bushing 101. A second toothed portion 500 is provided on the side of the end cap 50 near the bushing 101. A first toothed portion 1013 that can mesh with the second toothed portion 500 is provided on the end of the bushing 101 that contacts the end cap 50. The pull rod 51 is fixed at the center position of the end cap 50 near the bushing 101. A rectangular cavity with a rectangular cross-section is opened inside the end shaft 21. A rectangular plate 52 with a rectangular structure is slidably installed in the cavity. One end of the pull rod 51 is inserted into the cavity and connected to the rectangular plate 52. The inner wall of the cavity is close to the rectangular plate 52. A second spring 53 is provided, which can provide inward pulling force to the end cap 50 through the rectangular plate 52 and the pull rod 51, so that the second toothed part 500 on the end cap 50 can be engaged with the first toothed part 1013 at the end of the bushing 101. Based on this, when it is necessary to adjust the angle of the tablet computer 4, that is, to adjust the angle of the locking assembly 2, it is only necessary to pull the end cap 50 outward to separate the second toothed part 500 from the first toothed part 1013, and then rotate the locking assembly 2. When it is rotated to the position, the end cap 50 is released, and the end cap 50 moves inward under the pulling force of the second spring 53 until the second toothed part 500 engages with the first toothed part 1013, thus locking the locking assembly 2. The operation is convenient and quick.

[0052] The exemplary implementation of the solution proposed in this disclosure has been described in detail above with reference to preferred embodiments. However, those skilled in the art will understand that various modifications and alterations can be made to the above specific embodiments without departing from the spirit of this disclosure, and various combinations can be made to the various technical features and structures proposed in this disclosure without exceeding the protection scope of this disclosure, which is determined by the appended claims.

Claims

1. A vehicle-mounted computer bracket that is easy to install and remove, characterized in that, It includes: Assembly component (1), which is installed on the back of the car seat; A mounting component (2) is used to support and fix a tablet computer (4), and the mounting component (2) is movably connected to the assembly component (1); The assembly component (1) includes a lower backrest (10), an upper backrest (11), and a fixing mechanism (12). The lower backrest (10) and the upper backrest (11) are rotatably connected. The fixing mechanism (12) is movably connected between the lower backrest (10) and the upper backrest (11) and is used to connect the lower backrest (10) and the upper backrest (11) to the headrest link at the back of the car seat. The sides of the lower backrest (10) and the upper backrest (11) are provided with a tightening mechanism (13). The tightening mechanism (13) causes the lower backrest (10) and the upper backrest (11) to have a tendency to rotate in the direction of decreasing included angle, so that a triangular structure is formed between the lower backrest (10), the upper backrest (11), and the seat back. The lower support plate (10) includes a main plate (100) and a bushing (101) welded above the main plate (100). The bushing (101) is welded and fixed along the length of the main plate (100). A central shaft groove (1010) is provided in the middle section of the bushing (101). The fixing mechanism (12) includes: A central shaft (121) is rotatably mounted in the central shaft groove (1010); There are two fixing parts (120), which correspond to the two connecting rods below the headrest of the front seat back of the car. The fixing parts (120) are vertically installed on the central shaft (121) and can slide along the length direction of the central shaft (121).

2. The vehicle-mounted computer bracket for easy installation and disassembly according to claim 1, characterized in that, The bushing (101) has side shaft grooves (1011) at the upper positions of both ends, and the upper plate (11) has side shafts (110) at the lower positions of both ends. The two side shafts (110) are respectively rotatably installed in the side shaft grooves (1011) at the upper positions of both ends of the bushing (101).

3. The vehicle-mounted computer bracket for easy installation and disassembly according to claim 2, characterized in that, The surface of the central shaft (121) has two grooves (1210) along the length direction. One end of the fixing part (120) is provided with a slider (1207), which slides and engages in the groove (1210).

4. The vehicle-mounted computer bracket for easy installation and disassembly according to claim 3, characterized in that, The fixing part (120) includes: The rod section includes a first rod (1204), a second rod (1206), and a threaded sleeve (1205). The threaded sleeve (1205) is rotatably mounted on one end of the first rod (1204), and the other end of the threaded sleeve (1205) is rotatably sleeved on the second rod (1206) through a threaded structure. The slider (1207) is disposed at one end of the second rod (1206). A locking part, which is installed at the front end of the first section of the rod (1204), is used to connect with a link under the headrest of the front seat back of the car.

5. A vehicle-mounted computer bracket for easy installation and disassembly according to claim 4, characterized in that, The locking part includes: A fixing ring (1200) with an opening at the front end and a circular structure, the two ends of the fixing ring (1200) are hollowed out, and an arc groove (1203) is opened on the surface of the fixing ring (1200) along the circumferential direction. A movable ring (1201) is movably inserted into the fixed ring (1200) at one end; The movable ring (1201) is inserted into the fixed ring (1200) at one end and connected to a lever (1202). The lever (1202) is slidably engaged in the arc-shaped groove (1203).

6. A vehicle-mounted computer bracket for easy installation and disassembly according to claim 2, characterized in that, The tightening mechanism (13) is provided in two sets, which are respectively located on both sides of the assembly component (1). The tightening mechanism (13) includes an elastic pull rope (130) and fixing screws (131) installed at both ends of the elastic pull rope (130). The main board (100) and the upper back plate (11) are provided with screw holes (1000) on their sides. The fixing screws (131) at both ends of the elastic pull rope (130) are respectively inserted into the screw holes (1000) on the sides of the main board (100) and the upper back plate (11).

7. A vehicle-mounted computer bracket for easy installation and disassembly according to claim 2, characterized in that, The front surface of the mounting assembly (2) is provided with a flat card slot (22). A protective pad (220) is embedded in the inner wall of the flat card slot (22). A pressure plate (3) is also movably installed inside the flat card slot (22). The pressure plate (3) can move along a plane perpendicular to the mounting assembly (2). A movable piece (31) is connected to the back of the pressure plate (3) through a movable rod (30). A first spring (32) is installed on the movable piece (31). A card sleeve (20) is installed on the back of the mounting assembly (2) corresponding to the position of the movable rod (30). The movable piece (31) is slidably inserted into the card sleeve (20).

8. A vehicle-mounted computer bracket for easy installation and disassembly according to claim 7, characterized in that, The bushing (101) is provided with end shaft grooves (1012) at both ends. Two end shafts (21) are installed on the back of the clamping assembly (2). The two end shafts (21) are rotatably installed in the end shaft grooves (1012) at both ends of the bushing (101). One end of the bushing (101) is provided with a locking mechanism (5) for locking the end shaft (21).

9. A vehicle-mounted computer bracket for easy installation and disassembly according to claim 8, characterized in that, The locking mechanism (5) includes: An end cap (50) is provided at one end of the bushing (101). The end cap (50) has a second toothed portion (500) on the side near the bushing (101). The end of the bushing (101) that contacts the end cap (50) has a first toothed portion (1013) that can mesh with the second toothed portion (500). A pull rod (51) is fixed to the center of one end of the end cap (50) near the bushing (101); The end shaft (21) has a rectangular cavity inside, and a rectangular plate (52) with a rectangular structure is slidably installed inside the cavity. One end of the pull rod (51) is inserted into the cavity and connected to the rectangular plate (52). A second spring (53) is provided between the inner wall of the cavity and the rectangular plate (52). The second spring (53) can provide an inward pulling force to the end cap (50) through the rectangular plate (52) and the pull rod (51), so that the second toothed part (500) on the end cap (50) can maintain engagement with the first toothed part (1013) at the end of the bushing (101).

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