A pet vehicle restraint system

Abstract

This utility model relates to a pet vehicle restraint system, comprising a restraint body, which is a shell structure with multiple openings communicating with an inner cavity; a body tensioning module for connecting the restraint body to the vehicle; and a harness tensioning module for connecting to a pet harness to restrain a pet wearing a harness to the car seat. The body tensioning module has a length adjustment structure to adjust the length of the harness so that the back of the restraint body is flush against the car seat back. The harness tensioning module also has a height adjustment structure. The advantages of this utility model are: the restraint body is connected to the vehicle via the body tensioning module, and its back can be flush against the car seat back, forming an integrated structure with the vehicle backrest; simultaneously, in conjunction with the harness tensioning module and the pet harness connection, it prevents the pet from moving or colliding excessively due to inertia inside the vehicle, thereby reducing potential injury to the pet in the event of an accident.

Description

Technical Field

[0001] This utility model relates to the technical field of vehicle-mounted pet safety equipment, and in particular to a vehicle-mounted pet restraint system. Background Technology

[0002] Cars and pets, such as dogs or cats, are two seemingly unrelated needs, but over time they have become quite intertwined and often coexist. In other words, in daily life, pet owners not only take their pets for walks and strolls, but also occasionally drive their pets along for outings or errands.

[0003] Of course, just like people wear seat belts when riding in a car, pets should also be properly leashed in the vehicle to prevent them from moving around and distracting the driver, and to reduce potential injuries in the event of an accident. The devices used to leash pets typically involve a harness, which, in conjunction with the vehicle's seat belt, secures the pet to the car seat.

[0004] Chinese utility model patent CN205890821U discloses a pet car safety harness, comprising a harness body and a strap. The harness body can be worn on a pet and used in conjunction with the car seatbelt to secure the pet to the car seat. The strap passes laterally through the chest pad of the harness body and its spring hooks at both ends connect to two ISOFIX or LATCH rigid fixing interfaces located on the car seat. This provides two additional points of connection to the vehicle body, in addition to the traditional seatbelt, through the strap connecting the harness body to the two ISOFIX or LATCH interfaces, thus firmly securing the pet to the car seat and ensuring sufficient protection in the event of an accident, preventing or mitigating accidental injury.

[0005] However, this seat belt can only be connected laterally through the vehicle's seat belt. This means that in the event of an impact, the pet needs to be restrained by the pull of a safety harness. However, this harness is not fixed to the vehicle's seat belt and still has a large degree of freedom when in use, posing a safety hazard. Utility Model Content

[0006] In order to solve the above-mentioned problems in the prior art, this utility model provides a pet vehicle restraint system.

[0007] The above-mentioned problems of this utility model are solved by the following technical solution:

[0008] A pet vehicle restraint system includes,

[0009] The constraint body is configured as a shell structure and has multiple openings communicating with the inner cavity;

[0010] The main tensioning module is used to connect the restraint body and the vehicle;

[0011] The harness tensioning module is used to connect with a pet harness to restrain a harnessed pet in a car seat.

[0012] The main tensioning module is equipped with a length adjustment structure to adjust the length of the tensioning strap so that the back of the restraining body is close to the back of the car seat.

[0013] The harness tensioning module is equipped with a height adjustment structure to adjust the height of the harness and adapt to the harness position of pets of different sizes.

[0014] By adopting the above technical solution, the restraint body and the vehicle backrest form an integrated structure, while the harness and the restraint body form a three-point connection, ensuring the safety protection of the pet.

[0015] A further configuration of the above technical solution is as follows: the main tensioning module includes an upper tensioning strap unit connected to the vehicle latch interface and two side tensioning strap units arranged on both sides below the upper tensioning strap;

[0016] An adjustment buckle is provided on the upper pull strap unit near the pull hook.

[0017] By adopting the above technical solution and adjusting the length of the straps, the restraint body can be adapted to different vehicle models and seat sizes, ensuring that the back of the restraint body fits snugly against the car seat back. Since different cars have different seat designs and sizes, this adjustability makes the restraint system more widely applicable and can meet the usage needs of various vehicles.

[0018] A further provision of the above technical solution is that the side tension strap unit includes a side tension strap that runs through the constraint body and hooks located at the two ends of the tension strap;

[0019] The lower end of the upper pull strap is connected to the middle of the side pull strap.

[0020] A further provision of the above technical solution is as follows: the adjusting buckle includes a fixed sleeve with a hollow adjusting cavity and extending to an open end, and an adjustable movable sleeve disposed inside the outer shell, wherein a first elastic element is provided in the adjusting cavity to push the other end of the movable sleeve out to the outside of the opening of the outer shell;

[0021] The movable sleeve can move relative to the fixed sleeve along the upward pull direction under the action of external force, and has a locked position and an unlocked position relative to the fixed sleeve;

[0022] The pull strap is locked in the locked position and its length cannot be adjusted; its length can be adjusted in the unlocked position.

[0023] A further provision of the above technical solution is that the movable sleeve is provided with a winding rib that allows the pull strap to pass around, and the fixed sleeve is provided with a limiting rib that can at least partially fit against the winding rib.

[0024] By adopting the above technical solution, the movable sleeve of the adjusting buckle can move relative to the fixed sleeve under the action of external force, and has a locked position and a released position. In the released position, the length of the pull strap can be adjusted, and after adjustment, releasing the movable sleeve will automatically lock the pull strap. This design is simple to operate, and users can easily adjust the length of the pull strap without complicated tools and steps, improving the convenience of installation and use.

[0025] A further provision of the above technical solution is that the harness tensioning module includes an upper seat belt unit, which is height-adjustable with the restraint body via a height adjustment component.

[0026] By adopting the above technical solution, the harness tensioning module is equipped with a height adjustment structure, which can adapt to the harness position of pets of different sizes. Different breeds and ages of pets have significant differences in size, and the harness positions also vary. The height adjustment structure allows the upper and side harness units to better fit with the pet harness, ensuring restraint effectiveness and improving the system's adaptability to different pets.

[0027] A further setting of the above technical solution is: the height adjustment component is a gear adjustment structure, including a movable sleeve with a gear lever, the upper safety belt of the upper safety belt unit is connected to the movable sleeve, and moves vertically with the movable sleeve;

[0028] The constraint body is provided with a sliding groove, and the inner cavity is provided with a stop groove that connects with the sliding groove.

[0029] By adopting the above technical solution, the height adjustment of the upper seat belt unit uses a gear adjustment structure. External force pushes the moving sleeve, causing the gear lever to disengage from the gear slot and then move along the slide groove to the desired height. After the pushing force is removed, the gear lever automatically engages with the gear slot at that height. This adjustment method is intuitive and convenient, allowing users to quickly and accurately adjust the height of the upper seat belt.

[0030] A further provision of the above technical solution is that the harness tensioning module also includes two side safety belt units connected to the harness, wherein the side safety belts of the side safety belt units extend into the restraint body and are stopped by a stop assembly to adjust the extension length of the side safety belts.

[0031] A further provision of the above technical solution is that the stop assembly includes an anti-slip buckle hinged inside the constraint body, the anti-slip buckle is provided with a driving tongue that can drive it to rotate, and the constraint body has an avoidance groove that can accommodate the extension of the driving tongue.

[0032] The outer periphery of the anti-slip buckle is provided with a stop portion that stops the movement of the side seat belt.

[0033] A further provision of the above technical solution is that the stop portion is a toothed portion provided on the outer periphery of the anti-slip buckle.

[0034] By adopting the above technical solution, the side seat belt unit adjusts its extension length through the stop assembly. Users only need to drive the drive tongue on the anti-slip buckle to unlock or lock the side seat belt. The operation is simple and easy to understand, allowing users to flexibly adjust it according to the pet's actual situation.

[0035] Compared with the prior art, the beneficial effects of this utility model are as follows: the restraint body is connected to the vehicle through the main body tensioning module, and its back can be close to the back of the car seat, so that the restraint body and the vehicle backrest form an integrated structure; during vehicle operation, especially in the event of sudden braking or collision, it can effectively reduce the swaying and displacement of the restraint body, providing stable support and protection for the pet and reducing the risk of injury to the pet due to vehicle swaying; at the same time, it is connected to the pet harness tensioning module and the pet harness to achieve a three-point connection between the harness and the restraint body. This connection method is similar to the seat belt used by humans, which can evenly distribute the impact force on the pet and prevent the pet from moving or colliding significantly due to inertia in the car, thereby reducing the possible injury to the pet in the event of an accident. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0037] Figure 2 A schematic diagram of the main tensioning module.

[0038] Figure 3 This is an exploded view of the adjusting buckle.

[0039] Figure 4 This is a cross-sectional structural diagram of the adjusting buckle.

[0040] Figure 5 A cross-sectional structural diagram showing the adjustment buckle with the upper pull strap in a locked state.

[0041] Figure 6 A cross-sectional structural diagram showing the adjustment buckle with the pull strap in the unlocked state.

[0042] Figure 7 This is a schematic diagram of the structure where the seatbelt separates from the restraint body.

[0043] Figure 8 This is an exploded view of the gear adjustment mechanism.

[0044] Figure 9This is a schematic diagram of the exploded structure of the stop component and the constraint body.

[0045] Figure 10 A cross-sectional view of the connection structure between the stop assembly and the side seat belt.

[0046] The attached diagram shows the following columns: 100, constraint body; 101, slide groove; 102, gear slot; 103, clearance slot; 104, adjustment slot.

[0047] 200. Upper pull belt unit; 210. Pull belt; 211. Pull ring; 220. Short belt;

[0048] 300, Side tension strap unit; 310, Side tension strap;

[0049] 400. Adjusting buckle; 410. Fixing sleeve; 420. Movable sleeve; 430. First elastic element; 421.1. Winding rib; 411.1. Limiting rib; 411.2. Release hole;

[0050] 500. Install seatbelt unit; 510. Install seatbelt;

[0051] 600. Side seatbelt unit; 610. Side seatbelt;

[0052] 700. Gear adjustment structure; 710. Moving sleeve; 720. Second elastic element; 730. Baffle; 711. Limiting post; 712. Gear lever;

[0053] 800, Stop assembly; 810, Anti-slip buckle; 811, Drive tongue; 812, Stop part; 820, Rotating shaft; 830, Torsion spring; 840, Stop bracket;

[0054] 1. Hook; 2. Buckle. Detailed Implementation

[0055] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0056] like Figure 1-10 As shown, this embodiment provides a pet vehicle restraint system.

[0057] A pet vehicle restraint system includes,

[0058] The constraint body 100 is configured as a shell structure and has multiple openings communicating with the inner cavity;

[0059] The main tensioning module is used to connect the restraint body 100 and the vehicle;

[0060] The harness tensioning module is used to connect with a pet harness to restrain a harnessed pet in a car seat.

[0061] The main tensioning module is provided with a length adjustment structure to adjust the length of the tensioning strap so that the back of the restraining main body 100 is close to the back of the car seat.

[0062] The harness tensioning module is equipped with a height adjustment structure to adjust the height of the harness and adapt to the harness position of pets of different sizes.

[0063] Specific reference Figure 1 As shown, the restraint body 100 is set as a rigid structure. In order to ensure the safety of the pet, this embodiment adopts a three-point connection. Therefore, the restraint body 100 is preferably set as an inverted T-shaped structure to match the three-point position. The body tensioning module and the harness tensioning module are respectively set on the front and rear end faces of the restraint body 100.

[0064] The interior of the constraint body 100 is set as a cavity, and the end is provided with an opening that can accommodate the belt extending out.

[0065] In use, the restraint body 100 is connected to the vehicle, and the back of the restraint body 100 is pressed tightly against the back of the vehicle to fix the restraint body 100 and the vehicle; then the pet wearing a harness is placed on the vehicle seat, and the harness tensioning module is connected to the connecting end of the harness to securely restrain the pet to the restraint body 100.

[0066] Based on the above configuration, the restraint body 100 and the vehicle backrest form an integrated structure, while the harness and the restraint body 100 form a three-point connection to ensure the safety and protection of the pet.

[0067] Specifically, the main tensioning module includes an upper tensioning strap unit 200 connected to the vehicle latch interface and two side tensioning strap units 300 arranged on both sides below the upper tensioning strap 210.

[0068] An adjustment buckle 400 is provided on the upper pull strap unit 200 near the pull hook 1.

[0069] When installing the restraint body 100 onto the car seat, the upper end of the restraint body 100 needs to be connected to the car. A latch interface is provided at the back of the car seat. The pull strap unit 200 is connected to the latch interface, and the length of the pull strap is adjusted by adjusting the buckle 400 so that the restraint body 100 fits tightly against the back of the car seat.

[0070] In this embodiment, the side pull strap unit 300 includes a side pull strap 310 that passes through the restraint body 100, and pull hooks 1 provided at the two ends of the pull strap;

[0071] The lower end of the upper pull strap 210 is connected to the middle of the side pull strap 310.

[0072] Specific reference Figure 2 As shown, the upper pull strap unit 200 is tightened under the action of the adjusting buckle 400, so that the upper part of the restraint body 100 is in close contact with the car seat; and, at the lower end of the upper pull strap 210, a pull ring 211 is provided, and the side pull strap 310 is provided through the pull ring 211. When the upper pull strap 210 is adjusted in length, the side pull strap 310 is adjusted at the same time to change the position of the two pull hooks 1 on the side pull strap 310.

[0073] In this embodiment, the pull ring 211 is formed by winding the lower end of the upper pull strip 210.

[0074] For example, to ensure that the restraint body 100 can fit snugly against the seat back, the length of the upper pull strap 210 needs to be shortened. During the adjustment process, the lower end of the upper pull strap 210 moves upward, causing the middle part of the side pull strap 310 to move upward, making the side pull strap 310 tilted. The distance between the two end hooks 1 is shortened. Thus, after the hooks 1 at both ends are connected to the anchor points on the car seat, the side pull strap 310 is also tightened, thereby ensuring that the entire back of the restraint body 100 can fit snugly against the car back.

[0075] Specifically, the adjusting buckle 400 includes a fixed sleeve 410 with a hollow adjusting cavity and extending to an open end, and a movable sleeve 420 adjustable inside the outer shell. The adjusting cavity is provided with a first elastic element 430 to push the other end of the movable sleeve 420 out to the outside of the opening of the outer shell.

[0076] The movable sleeve 420 can move relative to the fixed sleeve 410 along the direction of the upward pull strap 210 under the action of external force, and has a locked position and an unlocked position relative to the fixed sleeve 410;

[0077] The pull strap 210 is locked in the locked position and its length cannot be adjusted; its length can be adjusted in the unlocked position.

[0078] Specific reference Figure 3 As shown, the movable sleeve 420 is inserted into the fixed sleeve 410, and the inner end is pushed out by the first elastic member 430, so that the outer end of the movable sleeve 420 extends out of the movable sleeve 420; when pressure is applied to the outer end of the movable sleeve 420, the movable sleeve 420 can retract toward the adjustment cavity of the fixed sleeve 410.

[0079] Specifically, the movable sleeve 420 is provided with a winding rib 421.1 that allows the pull strap 210 to pass around, and the fixed sleeve 410 is provided with a limiting rib 411.1 that can at least partially fit against the winding rib 421.1.

[0080] Reference Figures 4-6As shown, the end of the pull strap 210 is wound around the winding rib 421.1, and the movable sleeve 420 is inserted into the fixed sleeve 410. When the limiting rib 411.1 and the winding rib 421.1 partially overlap, the pull strap 210 on the winding rib 421.1 is clamped, thereby preventing the end of the pull strap 210 from being adjusted. See the specific instructions. Figure 5 As shown;

[0081] An external force drives the movable sleeve 420, causing the winding rib 421.1 and the limiting rib 411.1 to misalign. At this time, the upper pull belt 210 is in the unlocked state, and the user can adjust the length of the upper pull belt 210. (See details...) Figure 6 As shown; after adjustment, loosen the movable sleeve 420, and the pull strap 210 will automatically lock within the set range.

[0082] In this embodiment, the movable sleeve 420 is a plastic shell, and a movable steel plate that moves synchronously with the plastic shell is embedded in the movable sleeve 420. The winding rib 421.1 is provided on the movable steel plate, and through holes are provided on both sides of the winding rib 421.1 along the direction of the upper pull strap 210.

[0083] The fixing sleeve 410 is also a plastic shell. A fixing steel plate is embedded in the fixing sleeve 410. The fixing steel plate has a release hole 411.2. The limiting rib 411.1 is the steel plate part on one side of the release hole 411.2. The limiting rib 411.1 has a release hole 411.2 on at least its inner side. The width of the release hole 411.2 in the direction of movement is greater than the width of the winding rib 421.1. In the unlocked state, the winding rib 421.1 is located above the release hole 411.2.

[0084] In addition, in this embodiment, the adjusting buckle 400 is provided with a mounting ring on the side opposite to the opening, and the hook 1 is connected to the mounting ring by a short strap 220.

[0085] Preferably, in this embodiment, the first elastic element 430 is a spring.

[0086] In this embodiment, the specific implementation of the shoulder strap tensioning module is as follows:

[0087] The harness tensioning module includes an upper seat belt unit 500, which is height-adjustable between itself and the restraint body 100 via a height adjustment component.

[0088] Since different pets have different sizes, different harnesses are needed. The three connection points on the harness are usually the back and two near the legs. Different sized harnesses have different back heights. Therefore, in this embodiment, the upper harness unit 500 is set as a height-adjustable structure to adapt to the back height of different harnesses.

[0089] Specifically, the height adjustment component is a gear adjustment structure 700, including a movable sleeve 710 with a gear lever 712. The upper seat belt 510 of the upper seat belt unit 500 is connected to the movable sleeve 710 and moves vertically with the movable sleeve 710.

[0090] The constraint body 100 is provided with a sliding groove 101, and the inner cavity is provided with a stop groove 102 that connects with the sliding groove 101.

[0091] Specific reference Figure 7 and Figure 8 As shown, the inner side of the movable sleeve 710 extends into the interior of the constraint body 100 through the slide groove 101, and the gear lever 712 on the movable sleeve 710 can be locked into the gear groove 102.

[0092] Preferably, to facilitate the assembly of the gear lever 712, the gear lever 712 in this embodiment is an independent cylinder, and the movable sleeve 710 is provided with a mounting hole that can accommodate the gear lever 712 to pass through, and the gear lever 712 is installed by passing through the mounting hole laterally.

[0093] In this embodiment, the gear slot 102 is formed on the inner wall of the front shell of the constraint body 100, and consists of multiple arc-shaped slots arranged vertically.

[0094] Meanwhile, in order to ensure the connection between the gear lever 712 and the gear slot 102, in this embodiment, a baffle 730 is provided inside the constraint body 100. The movable sleeve 710 and the baffle 730 are connected by a second elastic member 720 so that the movable sleeve 710 has an outward tendency, thereby enabling the gear lever 712 to be embedded in the gear slot 102.

[0095] Preferably, in this embodiment, the second elastic element 720 is also a spring, and a limiting post 711 and a limiting groove are provided between the baffle 730 and the movable sleeve 710 to limit the second elastic element 720.

[0096] When adjusting the height of the upper seat belt 510, the movable sleeve 710 is pushed towards the inside of the restraint body 100 by external force, so that the movable sleeve 710 overcomes the elastic force of the second elastic element 720 and moves towards the inside of the restraint body 100, and the gear lever 712 disengages from the gear slot 102; while maintaining the pushing state, the movable sleeve 710 is moved up and down along the slide groove 101 to adjust the height of the movable sleeve 710. After adjusting to the required height, the pushing force on the movable sleeve 710 is removed, and the movable sleeve 710 is reset under the action of the second elastic element 720. The gear lever 712 is inserted into the gear slot 102 at that height, and the height adjustment is completed.

[0097] In this embodiment, the harness tensioning module further includes two side seat belt units 600 connected to the harness. The side seat belts 610 of the side seat belt units 600 extend into the restraint body 100 and are stopped by a stop assembly 800 to adjust the extension length of the side seat belts 610.

[0098] Specific reference Figure 9 As shown, the outer end of the side seat belt 610 is connected to the buckle 2, and the inner end extends into the restraint body 100 through the opening on the side of the restraint body 100. After passing through the stop assembly inside the restraint body 100, it extends out of the adjustment groove 104 of the restraint body 100.

[0099] When adjusting the opposite side seat belt unit 600, release the stop assembly 800, pull the buckle 2 or the other end on the side seat belt 610, adjust the length of the buckle 2 side to a suitable position, and then release the stop assembly 800. The stop assembly 800 will stop the part of the opposite side seat belt 610 located inside the restraint body 100, thus completing the locking of the opposite side seat belt 610.

[0100] Specifically, the stop assembly 800 includes an anti-slip buckle 810 hinged inside the constraint body 100, the anti-slip buckle 810 is provided with a drive tongue 811 that can drive it to rotate, and the constraint body 100 has a relief groove 103 that can accommodate the extension of the drive tongue 811.

[0101] The anti-slip buckle 810 has a stop portion 812 on its outer periphery that stops the movement of the side seat belt 610.

[0102] Specific reference Figure 9 As shown, in this embodiment, the anti-slip buckle 810 is hinged to the restraint body 100 near the side seat belt 610, and the direction of the rotating shaft 820 is perpendicular to the moving direction of the side seat belt 610. A torsion spring 830 is sleeved on the rotating shaft 820; the driving tongue 811 extends into the relief groove 103 and can rotate within a small range in the relief groove 103.

[0103] The user drives the drive tongue 811, and the anti-slip buckle 810 rotates around the rotating shaft 820, causing the stop part 812 to rotate and disengage from the side seat belt 610. The side seat belt 610 is then released, and the user can pull and adjust the side seat belt 610.

[0104] After adjustment, release the drive tongue 811. The anti-slip buckle 810 rotates and resets under the action of the torsion spring 830, causing the stop part 812 to rotate back to the part that contacts the side seat belt 610, thereby stopping the side seat belt 610.

[0105] Preferably, in this embodiment, a stop frame 840 is provided inside the restraint body 100 to install the anti-slip buckle 810 and the rotating shaft 820, and the side safety belt 610 extends into the space between the bottom of the stop frame 840 and the stop portion 812.

[0106] Preferably, in this embodiment, the stop portion 812 is a toothed portion provided on the outer periphery of the anti-slip buckle 810.

[0107] In this embodiment, the stop portion 812 contacts the upper or lower surface of the side seat belt 610 to increase the contact area of ​​the teeth with the side seat belt 610 and ensure the stopping effect.

[0108] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A pet vehicle restraint system, characterized in that: include, The constraint body (100) is configured as a shell structure and has multiple openings communicating with the inner cavity; The main tensioning module is used to connect the restraint body (100) and the vehicle; The harness tensioning module is used to connect with a pet harness to restrain a harnessed pet in a car seat. The main tensioning module is provided with a length adjustment structure to adjust the length of the tensioning strap so that the back of the restraining main body (100) is close to the back of the car seat. The harness tensioning module is equipped with a height adjustment structure to adjust the height of the harness and adapt to the harness position of pets of different sizes.

2. The pet vehicle restraint system according to claim 1, characterized in that: The main tensioning module includes an upper tensioning unit (200) connected to the vehicle latch interface and two side tensioning units (300) arranged on both sides below the upper tensioning unit (210); An adjustment buckle (400) is provided on the upper pull strap unit (200) near the pull hook (1).

3. The pet vehicle restraint system according to claim 2, characterized in that: The side pull strap unit (300) includes a side pull strap (310) that passes through the restraint body (100) and pull hooks (1) provided at the two ends of the pull strap; The lower end of the upper pull strap (210) is connected to the middle of the side pull strap (310).

4. The pet vehicle restraint system according to claim 2, characterized in that: The adjusting buckle (400) includes a fixed sleeve (410) with a hollow adjusting cavity and extending to an open end, and a movable sleeve (420) adjustable inside the outer shell. The adjusting cavity is provided with a first elastic element (430) to push the other end of the movable sleeve (420) out to the outside of the opening of the outer shell. The movable sleeve (420) can move relative to the fixed sleeve (410) along the direction of the upper pull belt (210) under the action of external force, and has a locked position and an unlocked position relative to the fixed sleeve (410); The pull strap (210) is locked in the locked position and its length cannot be adjusted; in the unlocked position, its length can be adjusted.

5. The pet vehicle restraint system according to claim 4, characterized in that: The movable sleeve (420) is provided with a winding rib (421.1) that allows the upper pull strap (210) to pass around, and the fixed sleeve (410) is provided with a limiting rib (411.1) that can at least partially fit against the winding rib (421.1).

6. The pet vehicle restraint system according to claim 1, characterized in that: The harness tensioning module includes an upper seatbelt unit (500), which is height-adjustable between a height adjustment component and a restraint body (100).

7. The pet vehicle restraint system according to claim 6, characterized in that: The height adjustment component is a gear adjustment structure (700), including a movable sleeve with a gear lever. The upper seat belt (510) of the upper seat belt unit (500) is connected to the movable sleeve and moves vertically with the movable sleeve. The constraint body (100) is provided with a sliding groove (101), and the inner cavity is provided with a stop groove (102) that connects with the sliding groove (101).

8. The pet vehicle restraint system according to claim 6, characterized in that: The harness tensioning module also includes two side harness units (600) connected to the harness. The side harness (610) of the side harness unit (600) extends into the restraint body (100) and is stopped by a stop assembly to adjust the extension length of the side harness (610).

9. The pet vehicle restraint system according to claim 8, characterized in that: The stop assembly (800) includes an anti-slip buckle hinged inside the restraint body (100), the anti-slip buckle (810) is provided with a drive tongue (811) that can drive it to rotate, and the restraint body (100) has a relief groove (103) that can accommodate the extension of the drive tongue (811). The outer periphery of the anti-slip buckle (810) is provided with a stop portion (812) that stops the side seat belt (610).

10. The pet vehicle restraint system according to claim 9, characterized in that: The stop portion (812) is a toothed portion provided on the outer periphery of the anti-slip buckle (810).

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