Seat frame adjustable headrest frame

Abstract

The utility model discloses a seat framework adjustable headrest frame relates to seat framework technical field, the utility model discloses a backrest is provided with the supporting and helping mechanism and adjusting mechanism in the utility model discloses, the supporting and helping mechanism includes the headrest pedestal of setting in the backrest top, two rotating blocks are connected with in the inner wall of headrest pedestal, the front side of headrest pedestal is provided with the head, the adjusting mechanism includes the sliding block no.

Description

Technical Field

[0001] This utility model belongs to the field of seat frame technology, and in particular relates to an adjustable headrest frame for a seat frame. Background Technology

[0002] With the development of industries such as automobiles and aviation, people's requirements for seat comfort are increasing. Traditional seat headrests have fixed positions, making it difficult to meet the diverse needs of different users. During long journeys or in special sitting postures, they cannot provide optimal head support, easily leading to neck fatigue and soreness. To solve these problems, adjustable headrest frames have emerged. Through a unique design, they allow users to flexibly adjust the headrest position according to their height and sitting posture, providing a more fitting and comfortable head support, effectively relieving neck pressure. Compared with traditional headrests, this adjustable headrest frame has significant advantages in improving riding comfort and has broad application prospects.

[0003] However, existing adjustable headrest frames do not provide adequate support and cushioning for the user's head when it rests against the headrest. Over time, this can put significant pressure on the user's neck, easily causing soreness. Utility Model Content

[0004] The purpose of this utility model is to provide an adjustable headrest frame for a seat frame. By setting up a support mechanism, it solves the problem that existing adjustable headrest frames for seat frames do not provide support and cushioning for the user's head when the user's head is resting on the headrest. This can cause the user's neck to bear great pressure and easily cause soreness after prolonged use.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model is an adjustable headrest frame for a seat frame, including a backrest, on which a support mechanism and an adjustment mechanism are provided; The support mechanism includes a headrest base located above the backrest. Two rotating blocks are rotatably connected to the inner wall of the headrest base. A support head is provided on the front side of the headrest base. The adjustment mechanism includes a slider two slidably connected to the inner wall of the backrest. A bracket two is fixedly connected to the bottom inner wall of the backrest. A threaded rod is rotatably connected to the inner wall of the bracket two. The threaded rod passes through the slider two, and the outer wall of the threaded rod is threadedly connected to the slider two.

[0006] Furthermore, a bracket is fixedly connected between the two rotating blocks. A limiting shaft is fixedly connected to the inner wall of the bracket. Two sliders are slidably connected to the outer wall of the limiting shaft. Two springs are sleeved on the outer wall of the limiting shaft. The sides of the two springs that are close to each other are fixedly connected to the two sliders, and the sides of the two springs that are far apart from each other are fixedly connected to the bracket.

[0007] Furthermore, each of the two sliders is hinged to a hinge block on its front side, and the front side of each hinge block is hinged to the headrest. The bottom of the headrest base is fixedly connected to two limiting rods, the outer walls of each limiting rod are slidably connected to the backrest, and the bottom of each limiting rod is fixedly connected to the slider.

[0008] Furthermore, a bracket three is fixedly connected to the bottom inner wall of the backrest, and a rotating shaft is rotatably connected to the inner wall of the bracket three. The right side of the rotating shaft extends to the outside of the backrest. Bevel gears are fixedly connected to the outer walls of both the rotating shaft and the threaded rod. The two bevel gears are hinged together. A sliding groove is provided on the right side of the backrest. A spring two is fixedly connected to the inner wall of the left side of the sliding groove. A slider three is slidably connected to the inner wall of the sliding groove. The left side of the slider three is fixedly connected to the spring two. A handle is fixedly connected to the outer wall of the rotating shaft. Several grooves are provided on the left side of the handle. The slider three is adapted to several grooves. The two bevel gears can convert the force of lateral rotation into the force of vertical rotation.

[0009] This utility model has the following beneficial effects: 1. By setting up a support mechanism, pressure is applied to the headrest when the user's head rests against it. Under the action of the hinge block, the slider and spring are pressured to generate elastic force, thereby supporting the user's head. Under the action of the two rotating blocks, the bracket rotates when the user's head rests against the headrest to adapt to the user's head and ensure comfort. This allows the headrest to support and cushion the user's head when it is resting against it, avoiding pressure on the neck during prolonged use, thus ensuring the user's experience. 2. By setting up an adjustment mechanism, when the height of the support mechanism needs to be adjusted, the handle can be turned to drive the rotating shaft to rotate. When the handle is turned, pressure is applied to the slider three, causing it to slide into the groove and causing the spring two to generate elastic force. When the rotating shaft rotates, the threaded rod will rotate under the action of the bevel gear, causing the slider two to rise or fall, thereby driving the support mechanism to move up and down, thus achieving adjustment. This allows for better adjustment of the headrest height, enabling users to adjust the headrest while sitting in the seat without getting up, ensuring that the adjusted height perfectly matches the user's specific situation and further improving the user experience.

[0010] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a partial cross-sectional view of the support mechanism of this utility model; Figure 3 This is a schematic diagram of the overall structure of the bracket of this utility model; Figure 4 This is a partial cross-sectional view of the adjustment mechanism of this utility model; Figure 5 This utility model Figure 4 A magnified structural diagram of A in the middle; Figure 6 This is a schematic diagram of the overall structure of the bevel gear of this utility model.

[0013] The attached diagram lists the components represented by each number as follows: 1. Backrest; 2. Support mechanism; 201. Headrest base; 202. Rotating block; 203. Support head; 204. Bracket 1; 205. Limiting shaft; 206. Slider 1; 207. Spring 1; 208. Hinge block; 209. Limiting rod; 3. Adjustment mechanism; 301. Slider 2; 302. Bracket 2; 303. Threaded rod; 304. Bracket 3; 305. Rotating shaft; 306. Bevel gear; 307. Slide groove; 308. Spring 2; 309. Slider 3; 310. Handle; 311. Groove. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-6As shown, this utility model is an adjustable headrest frame for a seat, including a backrest 1, a support mechanism 2 and an adjustment mechanism 3. The support mechanism 2 includes a headrest base 201 disposed above the backrest 1. Two rotating blocks 202 are rotatably connected to the inner wall of the headrest base 201. A support head 203 is disposed on the front side of the headrest base 201. A bracket 204 is fixedly connected between the two rotating blocks 202. A limiting shaft 205 is fixedly connected to the inner wall of the bracket 204. Two sliders 206 are slidably connected to the outer wall of the limiting shaft 205. Two springs 207 are sleeved on the outer wall of the limiting shaft 205. The sides of the two springs 207 that are close to each other are respectively connected to the two sliders 206. 06 Fixed connection: The two springs 207 are fixedly connected to the bracket 204 on opposite sides. The front sides of the two sliders 206 are hinged with hinge blocks 208. The front sides of the two hinge blocks 208 are hinged to the headrest 203. The bottom of the headrest base 201 is fixedly connected with two limiting rods 209. The outer walls of the two limiting rods 209 are slidably connected to the backrest 1. The bottom of the two limiting rods 209 is fixedly connected to the slider 301. By setting the support mechanism 2, the headrest can support and cushion the user's head when the user leans against it, avoiding pressure on the neck during long-term use, thus ensuring the user's experience.

[0016] The adjustment mechanism 3 includes a slider 301 slidably connected to the inner wall of the backrest 1. A bracket 302 is fixedly connected to the bottom inner wall of the backrest 1. A threaded rod 303 is rotatably connected to the inner wall of the bracket 302, passing through the slider 301. The outer wall of the threaded rod 303 is threadedly connected to the slider 301. A bracket 304 is fixedly connected to the bottom inner wall of the backrest 1. A rotating shaft 305 is rotatably connected to the inner wall of the bracket 304. The right side of the rotating shaft 305 extends to the outside of the backrest 1. Bevel gears 306 are fixedly connected to the outer walls of both the rotating shaft 305 and the threaded rod 303. The two bevel gears 306 are hinged together. A groove 307 is provided on the right side of the backrest 1. A spring 30 is fixedly connected to the left inner wall of the groove 307. 8. A slider 309 is slidably connected to the inner wall of the slide groove 307. The left side of the slider 309 is fixedly connected to the spring 2 308. A handle 310 is fixedly connected to the outer wall of the rotating shaft 305. Several grooves 311 are provided on the left side of the handle 310. The slider 309 is adapted to the grooves 311. The slider 309 and the grooves 311 prevent the headrest from moving on its own after adjustment, ensuring the stability of the adjustment. By setting the adjustment mechanism 3, the height of the headrest can be better adjusted, allowing the user to adjust the headrest while sitting in the seat without getting up, thus ensuring that the adjusted height perfectly matches the user's specific situation and further improving the user experience.

[0017] A specific application of this embodiment is as follows: In use, the device can be installed in the corresponding position. When the user's head rests against the support head 203, pressure is applied to it. Under the action of the hinge block 208, the slider 206 applies pressure to the spring 207, causing it to generate elastic force, thereby supporting the user's head. Under the action of the two rotating blocks 202, when the user's head rests against the support head 203, the bracket 204 rotates to adapt to the user's head and ensure comfort. When it is necessary to adjust the height of the support mechanism 2, the handle 310 can be rotated to drive the rotating shaft 305 to rotate. When the handle 310 rotates, pressure is applied to the slider 309, causing it to slide into the groove 307 and causing the spring 308 to generate elastic force. When the rotating shaft 305 rotates, the bevel gear 306 drives the threaded rod 303 to rotate, causing the slider 301 to rise or fall, thereby driving the support mechanism 2 to move up and down, thereby achieving adjustment.

[0018] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0019] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable headrest frame for a seat, characterized in that: Includes a backrest (1), on which a support mechanism (2) and an adjustment mechanism (3) are provided; The support mechanism (2) includes a headrest base (201) disposed above the backrest (1). Two rotating blocks (202) are rotatably connected to the inner wall of the headrest base (201). A support head (203) is provided on the front side of the headrest base (201). The adjustment mechanism (3) includes a slider two (301) slidably connected to the inner wall of the backrest (1). A bracket two (302) is fixedly connected to the bottom inner wall of the backrest (1). A threaded rod (303) is rotatably connected to the inner wall of the bracket two (302). The threaded rod (303) passes through the slider two (301). The outer wall of the threaded rod (303) is threadedly connected to the slider two (301).

2. The adjustable headrest frame for a seat frame according to claim 1, characterized in that, A bracket (204) is fixedly connected between the two rotating blocks (202). A limiting shaft (205) is fixedly connected to the inner wall of the bracket (204), and two sliders (206) are slidably connected to the outer wall of the limiting shaft (205).

3. The adjustable headrest frame for a seat frame according to claim 2, characterized in that, The outer wall of the limiting shaft (205) is fitted with two springs (207). The sides of the two springs (207) that are close to each other are fixedly connected to two sliders (206), and the sides of the two springs (207) that are far apart from each other are fixedly connected to the bracket (204).

4. The adjustable headrest frame for a seat frame according to claim 3, characterized in that, The front sides of the two sliders (206) are hinged with hinge blocks (208), and the front sides of the two hinge blocks (208) are hinged to the headrest (203). The bottom of the headrest base (201) is fixedly connected with two limiting rods (209). The outer walls of the two limiting rods (209) are slidably connected to the backrest (1), and the bottoms of the two limiting rods (209) are fixedly connected to the slider (301).

5. An adjustable headrest frame for a seat frame according to claim 4, characterized in that, The bottom inner wall of the backrest (1) is fixedly connected to a bracket three (304), and the inner wall of the bracket three (304) is rotatably connected to a rotating shaft (305). The right side of the rotating shaft (305) extends to the outside of the backrest (1). The outer walls of the rotating shaft (305) and the threaded rod (303) are both fixedly connected to bevel gears (306), and the two bevel gears (306) are hinged together.

6. An adjustable headrest frame for a seat frame according to claim 5, characterized in that, The backrest (1) has a sliding groove (307) on the right side. A spring (308) is fixedly connected to the inner wall of the left side of the sliding groove (307). A slider (309) is slidably connected to the inner wall of the sliding groove (307). The left side of the slider (309) is fixedly connected to the spring (308).

7. An adjustable headrest frame for a seat frame according to claim 6, characterized in that, A handle (310) is fixedly connected to the outer wall of the rotating shaft (305). Several grooves (311) are provided on the left side of the handle (310), and the slider (309) is adapted to the several grooves (311).

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