Quick release vehicle safety tensioner

Abstract

A quick-release type automobile safety tensioning device includes a main machine and a binding belt, the main machine includes a seat body assembly, a handle assembly and a belt winding assembly, the handle assembly and the belt winding assembly are arranged on the base of the seat body assembly, the binding belt is installed on the belt winding assembly, a connecting assembly is installed at the bottom of the base, the connecting assembly is movably connected with the base, and the base can make horizontal rotary motion relative to the connecting assembly. The base of the quick-release type automobile safety tensioning device makes horizontal rotary motion relative to the connecting assembly, can realize 360-degree rotation, forms quick plug-in and plug-out cooperation with the connecting track fixed to a pickup truck and other vehicles, and realizes quick connection and disassembly of the device. In normal use, the device can be fixed to the vehicle for a long time, and frequent disassembly is not needed; in special scenes such as bad weather, the device can be quickly disassembled and stored in a water-avoiding place without tools, corrosion and strength reduction problems caused by long-term contact with water vapor are avoided, operation convenience and use safety are significantly improved, and the adaptability is wider.

Description

Technical Field

[0001] This utility model relates to a vehicle safety tensioning device for securing and tightening cargo on vehicles such as automobiles, trailers, airplanes, and ships. More specifically, it relates to a device that can be quickly connected to corresponding positions on various types of vehicles such as automobiles, pickup trucks, and trailers. Background Technology

[0002] Automotive safety tensioning devices typically consist of a main tensioning unit and components such as straps. The straps are usually made of flat webbing connected to metal hooks. The main unit employs an anti-reverse ratchet mechanism, which works as follows: a handle drives a pawl, which engages with a ratchet tooth to rotate the main shaft synchronously, causing the straps to wrap around the shaft and tighten. Simultaneously, a stop plate cooperates with the ratchet to form an anti-reverse constraint, preventing the ratchet from reversing and ensuring that tension is maintained on the straps, thus securing the goods.

[0003] Conventional automotive safety tensioning devices typically have hooks at both ends for connecting to the vehicle's anchor points. Because the device cannot be permanently fixed to the anchor points, after use, the hooks must be detached from the anchor points, and the entire device must be stored away for future use. This design is cumbersome, requiring the device to be removed from its storage location and reconnected each time it is used.

[0004] To address the aforementioned operational inconvenience, existing technologies have developed products that do not require disassembly, particularly automotive safety tensioning devices with automatic retraction functions. The main unit of such products is fixedly connected to a pre-installed position on a vehicle (such as a pickup truck cargo bed) via screws and nuts. Its straps are equipped with hooks and integrate an automatic retraction mechanism. In use, the straps can be directly pulled out, and the hooks connected to the corresponding anchor points on the cargo bed or goods to perform the tensioning operation. After use, simply detach the hooks from the anchor points, and the straps automatically retract using the energy stored in the spiral springs. The entire tensioning device remains in its installed position for future use.

[0005] However, the aforementioned improved structure still has limitations: in severe weather conditions such as rain and snow, the main body of the device fixed outside the vehicle is prone to corrosion and rust due to contact with moisture; at the same time, the flat webbing of the straps will experience a decrease in mechanical properties due to water immersion, posing a safety hazard. In such scenarios, the entire device needs to be removed from its installation location and stored in a water-free place. However, since the main unit uses a rigid connection of screws and nuts, the disassembly process requires the use of special tools such as wrenches, making the operation inconvenient and impossible to complete without the necessary tools.

[0006] In conclusion, existing automotive safety tensioning devices still need further optimization in terms of convenience and environmental adaptability. Utility Model Content

[0007] The technical problem to be solved by this utility model is to provide a quick-release car safety tensioning device that combines quick connection and quick disassembly functions, in light of the above-mentioned existing technology.

[0008] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a quick-release car safety tensioning device, including a main unit and a strap, wherein the main unit includes a base assembly, a handle assembly and a strap assembly, the base assembly includes a base, the handle assembly and the strap assembly are disposed on the base, and the strap is installed on the strap assembly, characterized in that: a connecting assembly is installed at the bottom of the base, the connecting assembly is movably connected to the base, and the base can rotate horizontally relative to the connecting assembly.

[0009] There can be various rotating connection structures between the base and the connecting component. Preferably, the connecting component includes a connecting bracket, on which a first connecting member is fixed, and a second connecting member is provided at the bottom of the base. The first connecting member and the second connecting member are fixedly connected, and the base can rotate horizontally relative to the second connecting member.

[0010] To prevent wear on the surface of the main unit during rotation and to provide stable damping force for damping adjustment, a damping washer is installed between the first connector and the bottom of the base.

[0011] As a preferred embodiment, the base has a through hole at its bottom. The first connecting member is a connecting nut, which is located directly below the through hole. The damping washer is installed between the connecting nut and the bottom of the base. The second connecting member is a connecting screw, which passes through the through hole from top to bottom and is threaded onto the connecting nut.

[0012] As another preferred embodiment, the first connector is a stud or screw, the second connector is a nut, the nut is located directly above the through hole, the stud or screw passes through the through hole from bottom to top and is threaded onto the nut, and the damping washer is installed between the stud or screw and the bottom of the base.

[0013] As another preferred embodiment, the connecting assembly includes a connecting bracket, the bottom of the base has a through hole, a rivet is fixed on the connecting bracket, the rivet passes through the through hole from bottom to top and is riveted to the base, and a damping washer is installed between the rivet and the bottom of the base.

[0014] To enable a multi-directional rotational structure between the main unit and the connecting assembly, preferably, a connecting column is installed on the connecting assembly. The upper part of the connecting column forms a horizontal rotational connection with the base, and the lower part of the connecting column forms a longitudinal rotational connection with the connecting assembly. With this configuration, the main unit can rotate horizontally and longitudinally relative to the connecting assembly, creating a universal joint-like effect and increasing the usable angle.

[0015] Further preferably, the lower part of the connecting column has a U-shaped opening, the connecting assembly includes a connecting bracket, the connecting bracket includes a first mounting wall and a second mounting wall that extend vertically upward and are parallel to each other, a first through hole is opened at the corresponding position of the first mounting wall and the second mounting wall, and a second through hole is opened on the two corresponding walls of the U-shaped opening, and the connecting shaft passes through the first through hole and the second through hole to make the connecting column and the connecting bracket form a longitudinal rotational connection.

[0016] As another preferred embodiment, the base is connected to the connecting assembly via a universal joint. The base and the universal joint can rotate longitudinally relative to each other, while the universal joint can rotate horizontally relative to the connecting assembly. Thus, after the main unit and the connecting assembly are connected via the universal joint, the angle at which the tensioning device is used can be increased.

[0017] Universal joints can have various installation structures. Preferably, one end of the universal joint is rotatably connected to the base via a horizontally arranged connecting rod, and the bottom of the universal joint is rotatably connected to the connecting assembly via a vertically arranged connector. This configuration allows the main unit to achieve both longitudinal rotation relative to the universal joint and horizontal rotation relative to the connecting assembly, thereby increasing the operating angle of the tensioning device.

[0018] As a preferred embodiment of any of the above solutions, the connecting assembly includes a connecting bracket, a buckle, a torsion spring, and a pivot. The base is movably connected to the connecting bracket, which is a U-shaped bracket. The buckle is located inside the U-shaped bracket, and a through hole is formed on both the U-shaped bracket and the buckle. The pivot passes through the through hole, and the torsion spring is located on the pivot. One end of the torsion spring is located on the buckle, and the other end is located on the U-shaped bracket. The front and rear ends of the U-shaped bracket are respectively provided with a first slot and a second slot. The tail of the buckle has an operating part, and the lower end of the operating part forms a backing part. The backing part is located on the same side as the first slot and is exposed inside the first slot. With this configuration, under the force of the torsion spring, the backing part of the buckle is pressed downwards against the bottom of the connecting bracket, blocking part of the space in the first slot, thus preventing the connecting bracket from detaching from the connecting track.

[0019] Compared with existing technologies, the advantages of this invention are as follows: The quick-release car safety tensioning device has a connecting component installed at the bottom of the main unit. This connecting component is movably connected to the base, and the base can rotate horizontally relative to the connecting component, achieving 360-degree rotation. This allows for quick plug-and-play engagement with the connecting rail fixed to vehicles such as pickup trucks, enabling rapid connection and disassembly of the device. Under normal use, the device can be permanently fixed to the vehicle without frequent disassembly or assembly. In special scenarios such as inclement weather, it can be quickly disassembled without tools and stored in a water-free location, effectively preventing corrosion and strength reduction caused by prolonged contact with moisture. This significantly improves operational convenience and safety, and broadens its applicability. Attached Figure Description

[0020] Figure 1 This is an exploded perspective view of an embodiment of the present utility model;

[0021] Figure 2 This is a perspective view of an embodiment of the present utility model;

[0022] Figure 3 This is a front view of an embodiment of the present utility model;

[0023] Figure 4a This is a bottom view of an embodiment of the present utility model;

[0024] Figure 4b This is a bottom view illustrating the rotation of an embodiment of the present utility model;

[0025] Figure 5 This is a perspective view of the installation and connection method between the host and the E-type connector in an embodiment of this utility model;

[0026] Figure 6 This is an exploded perspective view of the E-type connector according to an embodiment of the present utility model;

[0027] Figure 7 This is a cross-sectional view of an embodiment of the present utility model;

[0028] Figure 7a This is a cross-sectional view of the nut connection method according to an embodiment of this utility model;

[0029] Figure 7b This is a cross-sectional view of the rivet connection method according to an embodiment of the present utility model;

[0030] Figure 8 This is a three-dimensional schematic diagram of the connection between the present invention and the E-type track;

[0031] Figure 9 This is a schematic diagram of the first step of installing the E-shaped track in an embodiment of this utility model;

[0032] Figure 10This is a schematic diagram of the second step of installing the E-shaped track in an embodiment of this utility model;

[0033] Figure 11 This is a schematic diagram of the third step of installing the E-shaped track in an embodiment of this utility model;

[0034] Figure 12a This is a front view of a standard transverse E-type track;

[0035] Figure 12b This is a front view of a standard vertical E-type track;

[0036] Figure 13 This is a schematic diagram illustrating the actual application of this utility model embodiment;

[0037] Figure 14a A perspective view of another type of connector;

[0038] Figure 14b This is a front view of the snap-fit ​​external connector;

[0039] Figure 15 This is an exploded perspective view of Example 2;

[0040] Figure 16 This is a perspective view of Example 2;

[0041] Figure 17 This is a cross-sectional view of Example 2;

[0042] Figure 18a This is a front view of Embodiment 2;

[0043] Figure 18b This is a schematic diagram of the longitudinal rotation in Example 2;

[0044] Figure 19 This is a perspective view of Example 3;

[0045] Figure 20 This is an exploded view of Example 3;

[0046] Figure 21 This is a cross-sectional view of Example 3;

[0047] Figure 22a This is a front view of Example 3;

[0048] Figure 22b This is a schematic diagram of longitudinal rotation in Example 3. Detailed Implementation

[0049] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0050] Example 1:

[0051] like Figures 1 to 3As shown, the quick-release car safety tensioning device of this embodiment includes a main unit 1, a strap 2 with a hook 22, and a connecting assembly 3, wherein:

[0052] The main unit 1 mainly includes a base assembly 11, a handle assembly 12, and a tape reel assembly 13. The base assembly 11 includes a base 111, and the front end of the base 111 is provided with a protective cover 115, a support plate 114, a stop plate 112, and a stop plate spring 113. The protective cover 115 is fixed to the base 111 with rivets 116.

[0053] The handle assembly 12 is mounted on the base 111 and includes a handle 121, on which an active pawl 122 and a pawl spring 123 are mounted. The handle 121 is pivotally connected to the base 111 and can rotate about the main shaft 131. The active pawl 122 is rotatably connected to the handle 121.

[0054] The tape winding assembly 13 is mounted on the base 111 and includes a tape winding reel 133, a main shaft 131, a bushing 132, a coil spring 134, and a coil spring box 135. The tape winding reel 133 is a disc-shaped assembly consisting of two ratchet wheels 136 and a drum 137, used to wind the webbing 21 of the binding tape 2. The ratchet wheels 136 are prevented from reversing by the aforementioned stop plate 112.

[0055] The handle 121 is located inside the base 111, while the reel 133 is located inside the handle 121 and centered thereon. The spindle 131 passes through the bushing 132 and the reel 133, and is limited by the retaining spring 138. The spindle 131 has an irregular cross-section, which mates with the irregular hole on the ratchet 136, allowing the reel 133 to drive the spindle 131 to rotate together, or in other words, the spindle 131 can drive the reel 133 to rotate together. One end of the spindle 131 is connected to the inner hook of the coil spring 134, and the outer hook of the coil spring 134 is connected to the coil spring box 135. The coil spring box 135 is fixed to the outer side of the base 111. The coil spring 134 and the coil spring box 135 enable this tensioning device to have an automatic rewind function. After use, the strap 2 can be automatically rewound back into the main unit 1 without manual operation, making it very convenient to use.

[0056] The strap 2 is mounted on the tape reel assembly 13, specifically on the spindle 131, and can be wound onto the tape reel 133.

[0057] The above structure is an existing structure, which can be referenced from existing automotive safety tensioning devices, and will not be described in detail here. Of course, the structure of the main unit is not limited to this; other similar conventional structures or modified structures can also be adopted.

[0058] A through hole 1111 is provided at the bottom of the base 111 for connecting to the connecting component 3. The connecting component 3 is movably connected to the base, and the base can rotate horizontally relative to the connecting component 3.

[0059] like Figure 4a , Figure 4b , Figures 5 to 7 As shown, in this embodiment, the connecting component 3 adopts an E-type connector, including a connecting bracket 31, a first connector 32 fixed on the connecting bracket 31, a damping washer 5 installed between the first connector 32 and the bottom of the base 111, a second connector 4 provided at the bottom of the base 111, the first connector 32 and the second connector 4 fixedly connected, and the base 111 can rotate horizontally relative to the second connector 4.

[0060] The connecting component 3 in this embodiment includes a connecting bracket 31, a first connecting member 32, a buckle 33, a torsion spring 34, and a pivot 35. The connecting bracket 31 is movably connected to the base 111. The connecting bracket 31 is a U-shaped bracket. The buckle 33 is located inside the U-shaped bracket. The U-shaped bracket and the buckle 33 have through holes 36 that pass through each other. The pivot 35 passes through the through holes 36. In this embodiment, the pivot 35 is a rivet. The buckle 33 is pivotally connected to the connecting bracket 31 by the rivet.

[0061] A torsion spring 34 is mounted on a pivot 35. One end of the torsion spring 34 is attached to a buckle 33, and the other end is attached to a U-shaped bracket. The U-shaped bracket has a first slot 311 and a second slot 312 at its front and rear ends, respectively. The first slot 311 is a long slot, and the second slot 312 is a short slot. The tail of the buckle 33 has a protruding operating part 331. The lower end of the operating part 331 forms an abutment part 332, which is located on the same side as the first slot 311 and protrudes inside the first slot 311. Under the force of the torsion spring 34, the abutment part 332 of the buckle 33 presses downwards against the bottom of the connecting bracket 31, blocking part of the space in the first slot 311.

[0062] In this embodiment, the first connecting member 32 is a connecting nut, which is located directly below the through hole 1111. An elastic damping washer 5 is installed between the connecting nut and the bottom of the base 111. The top of the connecting nut has a damping washer positioning groove 321. The second connecting member 4 is a connecting screw, which passes through the through hole 1111 from top to bottom and is threaded onto the connecting nut. A washer 10 can be provided between the connecting screw and the base 111. For better damping adjustment, the washer 10 can also be an elastic damping washer, that is, a damping washer is provided on at least one side of the bottom of the base 111.

[0063] The damping washer 5 can be a conventional metal elastic washer such as a spring washer, wave washer, or disc washer, or a standard non-metallic elastic washer such as an O-ring. This utility model preferably uses a damping washer 5 made of non-metallic material (such as rubber or soft plastic). Compared with conventional metal elastic washers, it can avoid wear on the surface of the host machine during rotation and can provide stable damping force.

[0064] like Figure 4a , Figure 4b and Figure 13 As shown, the above structure enables a non-rigid fixed connection between the host 1 and the connecting component 3, allowing for 360-degree damped relative rotation to accommodate binding requirements at different angles. Furthermore, the host 1 and the connecting component 3 remain relatively stationary at any rotation angle, facilitating subsequent operations.

[0065] It should be noted that this non-rigid fixed connection between the host 1 and the connecting component 3 is not limited to the method described above. Other similar connections should also be considered within the scope of this utility model. For example, the connecting nut can be set on the base 111, and the connecting component 3 can be fixed to the bottom of the base 111 by the screw 4. Or, for example... Figure 7a As shown, the first connecting part 32 is a stud or screw, and the second connecting part 4 is a nut. The nut is located directly above the through hole 1111. The stud or screw passes through the through hole 1111 from bottom to top and is threaded onto the nut. A damping washer 5 is installed between the stud or screw and the bottom of the base 111. For example, as... Figure 7b As shown, a rivet 37 is fixed on the connecting bracket 31. The rivet 37 passes through the through hole 1111 from bottom to top and is riveted and fixed on the base 111. A damping washer 5 is installed between the rivet 37 and the bottom of the base. The main unit 1 and the connecting assembly 3 are connected by riveting.

[0066] like Figures 8 to 11 As shown, the anchoring point uses an E-type rail with connecting holes fixed at the corresponding position in the cargo box. In this embodiment, the vehicle safety tensioning device is quickly connected and disconnected from the E-type rail 100. The E-type rail 100 is typically a long, narrow rail, such as... Figure 12a and Figure 12b As shown, one or more rectangular connecting holes 101 are evenly distributed on the E-type track 100, and the short sides 102 at both ends are the load-bearing positions during operation. Figure 13 As shown, the E-type rail 100 is fixedly connected to the cargo box of a pickup truck or other vehicle using various methods such as threaded connection or riveting. The E-type rail 100 is prior art and is not within the scope of this patent. This example only uses a single-hole E-type rail.

[0067] like Figure 9-11 As shown, with Figure 10Arrow A indicates the rightward direction. During installation, first lift the operating part 331 to expose the first slot 311, and then diagonally snap it into one side of the short side 102. Pull the entire connecting component 3 to the right until it is fully extended. The other end with the second slot 312 can then enter the other side of the short side 102 and move to the left. At this time, the buckle 33 can spring back under the force of the torsion spring 34, and the abutment part 332 blocks the short side 102 on the same side. In this way, the connecting component 3 is fixed on the E-shaped track 100, making installation very convenient.

[0068] To remove it, the operation is reversed: lift the operating part 331, and the connecting component 3 moves to the right as a whole. The side where the second slot 312 is located comes out first, and the side where the first slot 311 is located comes out last. In this way, the car safety tensioning device can be removed from the E-type rail 100, which is very convenient.

[0069] like Figure 14a and Figure 14b As shown, the connector bracket 31 is composed of multiple thin plates spliced ​​together, and the structure of the buckle 33 is also different. For example... Figure 14a As shown, the latch 33 has left and right wing-shaped operating parts 331, such as Figure 14b The buckle is an external structure. All connectors in this embodiment that are used for the E-type track 100 should be protected within the scope of this utility model.

[0070] Example 2:

[0071] like Figures 15 to 17 As shown, in this embodiment, a connecting post 38 is installed on the connecting assembly 3. The upper part of the connecting post 38 forms a horizontal rotatable connection with the base 111, and the lower part of the connecting post 38 forms a longitudinal rotatable connection with the connecting assembly 3. Specifically, the lower part of the connecting post 38 has a U-shaped opening 381. The connecting assembly 3 includes a connecting bracket 31, which includes a first mounting wall 313 and a second mounting wall 314 that extend vertically upwards and are parallel to each other. A first through hole 315 is opened at the corresponding position of the first mounting wall 313 and the second mounting wall 314. A second through hole 382 is opened on the two corresponding walls of the U-shaped opening 381. The connecting shaft 6 passes through the first through hole 315 and the second through hole 382, ​​so that the connecting post 38 and the connecting bracket 31 form a longitudinal rotatable connection. This configuration, as shown... Figure 18a and Figure 18b As shown, in addition to the main unit 1 and the connecting column 38 being able to rotate 360 ​​degrees relative to each other, the main unit 1 and the connecting column 38 together with the connecting bracket 31 can swing left and right, forming a universal joint-like effect, increasing the angle during use. The connecting shaft 6 can take various forms, such as using a pin, screw, nut, or rivet to hinge with the connecting bracket 31.

[0072] Example 3:

[0073] like Figures 19 to 21 As shown, in this embodiment, the base 111 is connected to the connecting assembly 3 via a universal joint 7. The base 111 and the universal joint 7 can rotate longitudinally relative to each other, and the universal joint 7 can rotate horizontally relative to the connecting assembly 3. Specifically, one end of the universal joint 7 is rotatably connected to the base 111 via a horizontally arranged connecting rod 8, and the bottom of the universal joint 7 is rotatably connected to the connecting assembly 3 via a vertically arranged connecting head 9. This configuration, as shown... Figure 22a and Figure 22b As shown, the main unit 1 can achieve both longitudinal and horizontal rotation, making it more flexible and convenient to use. Similarly, the connecting rod 8 can take many forms, and can be replaced by rivets, pins, screws, nuts, or other structures. Furthermore, multiple universal joints 7 can be used to obtain more operating angles, and the structure of the universal joint 7 is not limited to the structure in this embodiment.

[0074] In the specification and claims of this utility model, terms indicating direction, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," and "bottom," are used to describe various exemplary structural parts and elements of this utility model. However, the use of these terms is merely for the purpose of explanation and is based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in this utility model can be arranged in different orientations, these terms indicating direction are for illustrative purposes only and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0075] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, various modifications or improvements can be made to the present utility model without departing from the principle of the present utility model, and these are all considered to be within the protection scope of the present utility model.

Claims

1. A quick-release automotive safety tensioning device, comprising a main unit (1) and a strap (2), wherein the main unit (1) includes a base assembly (11), a handle assembly (12), and a strap assembly (13), the base assembly (11) includes a base (111), the handle assembly (12) and the strap assembly (13) are disposed on the base (111), and the strap (2) is mounted on the strap assembly (13), characterized in that: A connecting component (3) is installed at the bottom of the base (111). The connecting component (3) is movably connected to the base (111), and the base (111) can rotate horizontally relative to the connecting component (3).

2. The quick-release automotive safety tensioning device according to claim 1, characterized in that: The connecting component (3) includes a connecting bracket (31), on which a first connecting member (32) is fixed. The bottom of the base (111) is provided with a second connecting member (4). The first connecting member (32) and the second connecting member (4) are fixedly connected. The base (111) can rotate horizontally relative to the second connecting member (4).

3. The quick release automotive safety tensioning device of claim 2, wherein: A damping washer (5) is installed between the first connector (32) and the bottom of the base (111).

4. The quick release automotive safety tensioning device of claim 3, wherein: The base (111) has a through hole (1111) at its bottom. The first connector (32) is a connecting nut, which is located directly below the through hole (1111). The damping washer (5) is installed between the connecting nut and the bottom of the base (111). The second connector (4) is a connecting screw, which passes through the through hole (1111) from top to bottom and is threaded onto the connecting nut. Alternatively, the first connector (32) is a stud or screw, and the second connector (4) is a nut, which is located directly above the through hole (1111). The stud or screw passes through the through hole (1111) from bottom to top and is threaded onto the nut. The damping washer (5) is installed between the stud or screw and the bottom of the base (111).

5. The quick release automotive safety tensioning device of claim 1, wherein: The connecting component (3) includes a connecting bracket (31), and the bottom of the base (111) has a through hole (1111). A rivet (37) is fixed on the connecting bracket (31). The rivet (37) passes through the through hole (1111) from bottom to top and is riveted to the base (111). A damping washer (5) is installed between the rivet (37) and the bottom of the base (111).

6. The quick release automotive safety tensioning device of claim 1, wherein: A connecting column (38) is installed on the connecting assembly (3). The upper part of the connecting column (38) is horizontally rotatably connected to the base (111), and the lower part of the connecting column (38) is longitudinally rotatably connected to the connecting assembly (3).

7. The quick-release automotive safety tensioning device according to claim 6, characterized in that: The lower part of the connecting column (38) has a U-shaped opening (381). The connecting assembly (3) includes a connecting bracket (31). The connecting bracket (31) includes a first mounting wall (313) and a second mounting wall (314) that extend vertically upward and are parallel to each other. The first mounting wall (313) and the second mounting wall (314) have corresponding positions with a first through hole (315). The two corresponding walls of the U-shaped opening (381) have a second through hole (382). The connecting shaft (6) passes through the first through hole (315) and the second through hole (382) to make the connecting column (38) and the connecting bracket (31) form a longitudinal rotational connection.

8. The quick release automotive safety tensioning device of claim 1, wherein: The base (111) is connected to the connecting assembly (3) via a universal joint (7). The base (111) and the universal joint (7) can rotate longitudinally relative to each other, and the universal joint (7) can rotate horizontally relative to the connecting assembly (3).

9. The quick release automotive safety tensioning device of claim 8, wherein: One end of the universal joint (7) is rotatably connected to the base (111) via a horizontally arranged connecting rod (8), and the bottom of the universal joint (7) is rotatably connected to the connecting assembly (3) via a vertically arranged connector (9).

10. The quick release automotive safety tensioning device of any one of claims 1 to 9, wherein: The connecting assembly (3) includes a connecting bracket (31), a buckle (33), a torsion spring (34), and a pivot (35). The base (111) is movably connected to the connecting bracket (31). The connecting bracket (31) is a U-shaped bracket. The buckle (33) is located inside the U-shaped bracket. The U-shaped bracket and the buckle (33) have a through hole (36) that passes through each other. The pivot (35) passes through the through hole (36). The torsion spring (34) is located on the pivot (35). One end of the torsion spring (34) is located on the buckle (33), and the other end of the torsion spring (34) is located on the U-shaped bracket. The front and rear ends of the U-shaped bracket are respectively provided with a first slot (311) and a second slot (312). The tail of the buckle (33) has an operating part (331). The lower end of the operating part (331) forms an abutment part (332). The abutment part (332) is located on the same side as the first slot (311) and is exposed inside the first slot (311).

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