Driver seat

Abstract

The utility model discloses a driver seat which comprises a seat body and a backrest, the backrest is rotatably connected with the seat body, the driver seat further comprises a back frame, a height adjuster and a connecting piece, the back frame is fixed on the backrest, the height adjuster is fixedly installed on the back frame, and the connecting piece is fixedly installed at the adjusting end of the height adjuster. A roller is rotationally mounted on the connecting piece; and a safety belt is wound on the roller during use. According to the safety belt, the idler wheel capable of rotating is arranged on the connecting piece, when the safety belt needs to be adjusted up and down or is worn and pulled, the idler wheel can be driven to rotate, and therefore friction force between the safety belt and the idler wheel is reduced. The safety belt can drive the rolling wheels to rotate, friction force can be greatly reduced, the breakage phenomenon caused by surface abrasion of the safety belt is reduced, and the service life of the safety belt is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle seats, in particular to a driver seat. Background Art

[0002] In modern vehicle safety systems, the height adjustment function of seat belts has become a standard configuration, aiming to provide a personalized wearing experience and enhance the protection effect in emergency situations. This function is achieved through a height adjuster, which allows passengers to adjust the position of the seat belt according to their own height and sitting posture, ensuring that it can more effectively restrict the forward movement of passengers during a collision. However, while realizing this convenient function, there is also an urgent problem to be solved: when the seat belt is adjusted in height or pulled, it will frequently pass through the hanging groove and make direct contact with the edges or corners of the hanging groove, resulting in significant friction.

[0003] Although many seat belt systems on the current market have adopted hanging grooves with an arc-shaped design in order to reduce the friction with the seat belt, this design still fails to completely eliminate the problem in actual applications. Due to the physical properties of the seat belt material and the complexity of the use environment, even on the smooth surface of the hanging groove (sliding friction), long-term friction will still cause the gradual wear of the surface material of the seat belt. This wear not only affects the appearance of the seat belt, but more importantly, it may weaken the structural strength of the seat belt, increasing the risk of the seat belt breaking and failing at a critical moment, thus endangering the safety of passengers.

[0004] Therefore, we provide a driver seat to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a driver seat.

[0006] The purpose of the utility model is achieved by the following technical solutions:

[0007] A driver seat includes a seat and a backrest, the backrest is rotatably connected to the seat, and further includes:

[0008] A backrest frame, the backrest frame is fixed on the backrest;

[0009] A height adjuster, the height adjuster is fixedly installed on the backrest frame;

[0010] A connecting member, the connecting member is fixedly installed on the adjusting end of the height adjuster;

[0011] Wherein, a roller is rotatably installed on the connecting member, and the seat belt is wound around the roller during use.

[0012] Preferably, the backrest frame includes a skeleton fixedly installed on the backrest, an installation plate fixedly installed on the skeleton, and the height adjuster is fixedly installed on the installation plate.

[0013] Preferably, the installation plate includes a plate body fixedly installed on the skeleton, and a first threading avoidance groove for the seat belt to pass through is formed on the plate body.

[0014] Preferably, the backrest frame further includes a guiding member arranged on the skeleton, the guiding member includes a bottom plate, and side plates are arranged on both sides of the bottom plate.

[0015] Preferably, a limiting plate is arranged between the inner sides of the two side plates close to each other, and the bottom plate, the side plates and the limiting plate define a guiding groove for guiding the seat belt.

[0016] Preferably, the connecting member includes an installation ring fixedly installed and connected to the adjusting end of the height adjuster. An installation groove is formed in the installation ring. Both ends of the roller are rotatably installed on the side walls of the installation groove. A limiting block is further installed inside the installation groove. A threading gap for the seat belt to pass through is defined between the limiting block and the roller.

[0017] Preferably, a cover for covering the height adjuster is further fixedly installed on the backrest frame. The cover includes a cover plate fixedly installed on the backrest frame. An adjusting avoidance groove for the adjusting end of the height adjuster to move through is respectively formed through the cover plate, and a second threading avoidance groove for the seat belt to pass through is further formed on the cover plate.

[0018] The utility model has the following advantages:

[0019] 1. By arranging a rotatable roller on the connecting member, when the seat belt needs to be adjusted up and down or pulled during wearing, the roller can be driven to rotate, thereby reducing the friction between the seat belt and the roller. Compared with the existing sliding friction method, the seat belt of the present application can drive the roller to rotate, which can greatly reduce the friction, thereby reducing the occurrence of breakage due to surface wear of the seat belt and improving the service life of the seat belt.

[0020] 2. The guiding groove formed by the bottom plate, the side plates and the limiting plate can guide the seat belt, so that the seat belt is limited in the guiding groove and connected to the retractor, preventing the seat belt from contacting other components and causing damage to it.

[0021] 3. The height adjuster is covered by the cover installed on the backrest frame, thereby preventing external dust or particles from entering the height adjuster, and further improving the service life of the height adjuster. Description of the Drawings

[0022] Figure 1 This is a front view three-dimensional structure schematic diagram of the driver's seat of the present utility model.

[0023] Figure 2 This is a rear view three-dimensional structure schematic diagram of the driver's seat of the present utility model.

[0024] Figure 3 This is a schematic diagram of the positional relationship structure among the backrest, height adjuster, connecting piece, and roller of the present utility model.

[0025] Figure 4 This is a schematic diagram of the positional relationship in the exploded state among the backrest, height adjuster, connecting piece, and roller of the present utility model.

[0026] Figure 5 This is a schematic diagram of the connecting piece structure of the present utility model.

[0027] Figure 6 This is a schematic diagram of the mounting plate structure of the present utility model.

[0028] Figure 7 This is a schematic diagram of the covering structure of the present utility model.

[0029] Figure 8 This is a three-dimensional structure schematic diagram of the guide member of the present utility model.

[0030] Figure 9 This is a side view schematic diagram of the guide member of the present utility model.

[0031] In the figure, 100, seat; 200, backrest; 300, backrest frame; 310, skeleton; 320, mounting plate; 321, plate body; 322, first through-hole avoidance groove; 330, guide member; 331, bottom plate; 332, side plate; 333, limiting plate; 334, guide groove; 400, height adjuster; 500, connecting piece; 510, mounting ring; 520, mounting groove; 530, limiting block; 540, through-gap; 600, roller; 700, covering; 710, cover plate; 720, adjustment avoidance groove; 730, second through-hole avoidance groove; 800, retractor. Detailed implementation manners

[0032] To make the purpose, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated herein can be arranged and designed in various different configurations.

[0033] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] Embodiment:

[0035] To meet the needs of different people for the height of the seat belt, people adjust the height of the seat belt through the height adjuster 400, so that the height of the seat belt meets the needs of different people. To achieve the adjustment of the seat belt, a hanging groove is usually provided on the height adjustment button of the height adjuster 400. Specifically, the seat belt passes through the hanging groove, and then the height adjustment button of the height adjuster 400 moves in height to achieve the height adjustment of the seat belt passing through the hanging groove. However, the surface of the existing hanging groove is set as an edge or an arc surface. Because when adjusting the height or when the seat belt is retracted and stretched, the seat belt will directly contact with the edge or the arc surface for sliding friction. However, with long-term use, it will cause certain damage to the surface of the seat belt, affecting the strength of the seat belt, and in severe cases, it may cause a fracture phenomenon.

[0036] This application mainly replaces the edge or the arc surface at the position of the hanging groove with a roller 600, converting the sliding friction into rolling friction, thereby reducing the friction force on the surface of the seat belt, further reducing the damage to its surface, and improving the service life of the seat belt.

[0037] This application provides a driver's seat, including a seat 100 and a backrest 200. The backrest 200 is rotatably connected to the seat 100. It also includes a back frame 300, a height adjuster 400, a connecting member 500, and a retractor 800. The back frame 300 is fixed on the backrest 200; the height adjuster 400 is fixedly installed on the back frame 300; the connecting member 500 is fixedly installed on the adjustment end of the height adjuster 400; wherein, a roller 600 is rotatably installed on the connecting member 500. When in use, the seat belt is wound around the roller 600.

[0038] Refer to Figures 1 to 4As shown in the figure, specifically, the retractor 800 is arranged on the back of the seat 100, the height adjuster 400 is arranged in the upper right of the backrest 200, and the buckle (not marked in the figure) for fixedly connecting the seat belt is arranged on the left side of the seat 100. In the initial state, the seat belt connected to the retractor 800 bypasses the roller 600 and is locked on the buckle, completing the use of the seat belt.

[0039] Specifically, when adjustment is required, first, the button of the height adjuster 400 drives the connecting member 500 to rise or fall. Since the roller 600 is installed on the connecting member 500, when the connecting member 500 rises and falls, it will also drive the seat belt on the roller 600 to rise and fall, thereby realizing the lifting adjustment of the seat belt.

[0040] It should be noted here that the height adjuster 400 is a prior art, and the specific structure of the height adjuster 400 will not be elaborated in detail here. The technical content disclosed in existing patent documents can be referred to, for example, the structure for realizing the height adjustment of the seat belt in "A Seat Belt Height Adjustment Device" disclosed in the publication number "CN215590684U", "A Height Adjuster" disclosed in the publication number "CN207029112U", etc. Of course, other existing technical documents can also be referred to as long as they can realize the structure of seat belt adjustment. The specific structure will not be limited too much here. The main function of the retractor 800 is to provide tension to the seat belt and retract the seat belt when not in use. The retractor 800 is a prior art, and its specific structure will not be elaborated in detail here.

[0041] The backrest frame 300 includes a frame 310 fixedly installed on the backrest 200, and an installation plate 320 is fixedly installed on the frame 310. The height adjuster 400 is fixedly installed on the installation plate 320.

[0042] The installation plate 320 includes a plate body 321, the plate body 321 is fixedly installed on the frame 310, and a first threading avoidance groove 322 for the seat belt to pass through is formed on the plate body 321.

[0043] Refer to Figure 3 、 Figure 4 and Figure 6 As shown in the figure, in order to improve the strength of the backrest 200, a frame 310 is arranged inside the backrest 200, and the shape of the frame 310 is adapted to the shape of the backrest 200, so as to improve the backward abutting force that the backrest 200 can withstand and meet the actual needs of users.

[0044] In order to enable the seat belt to be smoothly connected to the retractor 800, a first threading avoidance groove 322 is formed on the plate body 321 for the seat belt to pass through smoothly. Further, the opening size and shape of the first threading avoidance groove 322 are not limited here and can be adaptively adjusted according to actual needs. In this embodiment, the shape of the first threading avoidance groove 322 is rectangular, and the edges of the first threading avoidance groove 322 are all designed with arc transitions to prevent the edges of the first threading avoidance groove 322 from damaging the seat belt.

[0045] In this embodiment, there are various ways to fixedly install the mounting plate 320 and the skeleton 310. For example, the mounting plate 320 and the skeleton 310 can be connected by welding. Of course, other ways to fixedly connect the two can also be used, and the specific connection method is not limited here.

[0046] The backrest 300 further includes a guiding member 330 provided on the skeleton 310. The guiding member 330 includes a bottom plate 331, and side plates 332 are provided on both sides of the bottom plate 331.

[0047] A limiting plate 333 is provided between the inner sides of the two side plates 332 close to each other. The bottom plate 331, the side plates 332, and the limiting plate 333 define a guiding groove 334 for guiding the seat belt.

[0048] Refer to Figure 2 、 Figure 3 、 Figure 4 、 Figure 8 and Figure 9 As shown in

[0049] Continue to refer to Figure 8 and Figure 9 As shown, the limiting plate 333 is located on the two side plates 332. In this embodiment, the limiting plate 333 is not continuous, but has a plurality of them evenly spaced on the two side plates 332. The distance between two adjacent limiting plates 333 on the same side can be designed adaptively according to needs and is not limited here; the bottom plate 331, the side plates 332, and the limiting plate 333 can be manufactured by bending process. Of course, other processes such as welding can also be used as long as the guiding groove 334 can be defined.

[0050] The connecting member 500 includes a mounting ring 510 fixedly installed and connected to the adjusting end of the height adjuster 400. An installation groove 520 is formed in the mounting ring 510. Both ends of the roller 600 are rotatably installed on the side wall of the installation groove 520. A limiting block 530 is further installed inside the installation groove 520. A threading gap 540 for the seat belt to pass through is defined between the limiting block 530 and the roller 600.

[0051] Refer to Figure 5 As shown, the threading gap 540 formed between the limiting block 530 and the roller 600 allows the seat belt to pass through smoothly and keeps the seat belt close to the surface of the roller 600.

[0052] A cover 700 for shielding the height adjuster 400 is also fixedly installed on the backrest frame 300. The cover 700 includes a cover plate 710 fixedly installed on the backrest frame 300. An adjustment avoidance groove 720 for the movement of the adjusting end of the height adjuster 400 is respectively formed through the cover plate 710, and a second threading avoidance groove 730 for the seat belt to pass through is also formed in the cover plate 710.

[0053] Refer to Figure 3 、 Figure 4 and Figure 7 As shown, in order to prevent external dust or particulate debris from entering the height adjuster 400 and causing it to malfunction, a cover 700 is provided on the surface of the height adjuster 400 to shield it and prevent dust from entering the interior of the height adjuster 400. Specifically, in order to enable the unlocking button or the lifting and unlocking end of the height adjuster 400 to move up and down smoothly, an adjustment avoidance groove 720 is formed in the cover plate 710 for avoidance. Further, in order to enable the seat belt to pass through smoothly, a second threading avoidance groove 730 is formed in the cover plate 710 for avoidance, facilitating the seat belt to pass through the second threading avoidance groove 730.

[0054] This application also provides a vehicle, which includes the driver's seat described in any one of the above.

[0055] It should be noted here that the vehicle mentioned here can be an ordinary car, truck, bus, etc., or other types of vehicles, and specific details are not limited here.

[0056] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A driver's seat, comprising a seat (100) and a backrest (200), wherein the backrest (200) is rotatably connected to the seat (100), characterized in that: Also includes: A back frame (300), wherein the back frame (300) is fixed on the backrest (200); A height adjuster (400), the height adjuster (400) being fixedly mounted on the back frame (300); A connecting member (500), wherein the connecting member (500) is fixedly mounted on an adjusting end of the height adjuster (400); A roller (600) is rotatably mounted on the connecting member (500), and the safety belt is wound around the roller (600) when in use.

2. A driver's seat according to claim 1, characterized in that: The back frame (300) comprises a frame (310) fixedly mounted on the backrest (200), a mounting plate (320) fixedly mounted on the frame (310), and the height adjuster (400) fixedly mounted on the mounting plate (320).

3. A driver's seat according to claim 2, characterized in that: The mounting plate (320) comprises a plate body (321), wherein the plate body (321) is fixedly mounted on the frame (310), and a first threading avoidance groove (322) for threading a safety belt is provided on the plate body (321).

4. A driver's seat according to claim 2, characterized in that: The back frame (300) further comprises a guide member (330) arranged on the frame (310), wherein the guide member (330) comprises a bottom plate (331), and side plates (332) are arranged on both sides of the bottom plate (331).

5. A driver's seat according to claim 4, characterized in that: A limiting plate (333) is arranged between the inner sides of the side plates (332) on both sides that are close to each other, and the bottom plate (331), the side plates (332) and the limiting plate (333) define a guide groove (334) for guiding the safety belt.

6. A driver's seat according to claim 1, characterized in that: The connecting member (500) comprises a mounting ring (510) fixedly mounted and connected to the adjusting end of the height adjuster (400); a mounting groove (520) is provided in the mounting ring (510); both ends of the roller (600) are rotatably mounted on the side walls of the mounting groove (520); a limit block (530) is also arranged inside the mounting groove (520); a through gap (540) is defined between the limit block (530) and the roller (600) for the safety belt to pass through.

7. A driver's seat according to claim 1, characterized in that: The back frame (300) is also fixedly mounted with a cover (700) for shielding the height adjuster (400), the cover (700) comprising a cover plate (710) fixedly mounted on the back frame (300), the cover plate (710) being respectively provided with adjustment avoidance grooves (720) for movement of the adjustment end of the height adjuster (400), and the cover plate (710) being further provided with a second passing avoidance groove (730) for passing a safety belt.

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