Headrest structure of automobile seat
By introducing limiting components and damping components into the headrests of the car seat, the problem of functional parts damage caused by excessive unlocking force during the folding process is solved, and the headrests are safe, stable and efficient folding adjustment is achieved.
Patent Information
- Application Number
- CN202420795123.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-16
AI Technical Summary
After the headrest of the existing car seat is folded on the backrest, there may be interference problems between the music headrest and the front seat, and the unlocking force of the headrest during the folding process is too large, which can easily cause damage to the internal functional parts.
A car seat headrest structure is designed. By setting a limiting component and a damping component in the headrest installation mechanism, the limiting adjustment and protective rotation adjustment of the headrest are achieved to avoid damage to the functional parts caused by excessive unlocking force.
It effectively avoids functional parts damage caused by excessive unlocking force during the folding process of the headrest, ensuring the normal use and space utilization of the music headrest and front seats.
Smart Images
Figure CN222591318U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts, in particular to a headrest structure of an automobile seat. Background Art
[0002] With the rapid development of the automotive industry, consumers have higher and higher requirements for cars, and the use space and seat comfort of cars have received special attention and evaluation from consumers. Among them, the folding structure of the headrest of the rear car seat has attracted the attention of many seat manufacturers.
[0003] In order to improve the space utilization rate of the car, the backrests of the rear seats of the car are generally foldable. After the backrests of the existing rear seats are folded, there will be interference between the music headrests and the front seats because the music headrests cannot be adjusted. Or because the adjustment is too forceful, the headrests will cause damage to the functional parts inside the music headrests during the folding process due to excessive unlocking force, such as the internal Bluetooth speakers, related unlocking mechanisms, etc.
[0004] Therefore, it is necessary to improve the existing automobile seat headrest so that it can effectively solve the problems existing in the prior art. Utility Model Content
[0005] In order to solve the above problems, the seat headrest structure of the utility model is characterized in that the headrest mounting mechanism can be rotatably adjusted and installed on the headrest bracket, and the limit adjustment of the headrest is performed through a limit assembly, and a damping assembly used in conjunction with the rotation adjustment is provided on the adjustment shaft to provide a protective damping force during the rotation adjustment, slow down the adjustment speed of the headrest, and avoid damage to the internal functional parts of the headrest due to excessive unlocking force during the folding process of the headrest.
[0006] The utility model provides a car seat headrest structure, comprising a headrest bracket, a headrest mounting mechanism rotatably mounted on the headrest bracket, and a limit assembly mounted on the headrest bracket; the headrest mounting mechanism comprises a headrest body, a headrest fixing frame, an adjustment shaft rotatably mounted in cooperation with the headrest bracket, and a damping assembly used in cooperation with the headrest fixing frame; the rotation of the adjustment shaft drives the headrest fixing frame and the headrest to rotate synchronously, and the limit assembly is used to perform limit adjustment on the adjustment shaft.
[0007] Furthermore, the damping assembly includes a damping wing plate fixedly mounted on the headrest fixing frame and a damper installed between the damping wing plate and the adjustment shaft, the upper end of the damper is hingedly mounted on the damping wing plate, and the lower end of the damper is sleeved on the adjustment shaft.
[0008] Furthermore, the limit assembly includes a first tooth plate installed on the headrest bracket, a second tooth plate installed on the adjusting shaft, a first torsion spring used in conjunction with the first tooth plate, a second torsion spring used in conjunction with the second tooth plate, and an adjusting cable installed on the headrest bracket, wherein the adjusting cable pulls the first tooth plate to rotate to unlock the second tooth plate.
[0009] Furthermore, the upper end of the first tooth plate protrudes to form a first convex tooth portion, and the lower end of the second tooth plate protrudes to form a second convex tooth portion, and the first convex tooth portion is pressed on the second convex tooth portion to form a locking state.
[0010] Furthermore, the upper end of the second tooth plate is raised to form a convex part on the tooth plate, and the headrest bracket is overall in a "U"-shaped structure. The side surface of the headrest bracket extends upward and bends inward to form a bracket limiting arm for limiting the rotation of the convex part on the tooth plate.
[0011] Furthermore, one end of the first torsion spring is installed on the headrest bracket, and the other end of the first torsion spring is connected and installed with the first tooth plate. The second torsion spring is sleeved on the adjustment shaft, one end of the second torsion spring is connected and installed with the second tooth plate, and the other end of the second torsion spring is connected and installed with the headrest bracket.
[0012] Furthermore, the lower end of the headrest bracket extends downward and bends inward to form a cable mounting lug for mounting an adjusting cable, and the first tooth plate is provided with a cable mounting hole for mounting the adjusting cable.
[0013] Furthermore, the headrest fixing frame includes a left fixing frame and a right fixing frame with the same structure. The left fixing frame and the right fixing frame are respectively arranged on both sides of the headrest bracket and are connected and installed with the adjustment shaft.
[0014] Furthermore, two ends of the damping wing plate are fixedly mounted to a left fixing frame and a right fixing frame respectively.
[0015] The beneficial effects of the utility model are as follows: the seat headrest structure of the technical solution, the headrest mounting mechanism can be rotatably adjusted and installed on the headrest bracket, and the limit adjustment of the headrest is performed through the limit assembly, and a damping assembly used in conjunction with the rotation adjustment is arranged on the adjustment shaft to provide a protective damping force during the rotation adjustment, slow down the adjustment speed of the headrest, and avoid damage to the internal functional parts of the headrest caused by excessive unlocking force during the folding process of the headrest. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the installation of the limit assembly in the utility model;
[0019] Figure 3 It is a front schematic diagram of the utility model;
[0020] Figure 4 It is a side schematic diagram of the utility model. DETAILED DESCRIPTION
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model; Figure 2 This is a schematic diagram of the installation of the limit assembly in the utility model; Figure 3 It is a front schematic diagram of the utility model; Figure 4 This is a side schematic diagram of the utility model. As shown in the figure, the utility model provides a car seat headrest structure, including a headrest bracket 4, a headrest mounting mechanism rotatably mounted on the headrest bracket 4, and a limit assembly mounted on the headrest bracket; the headrest mounting mechanism includes a headrest body 1, a headrest fixing frame 2, an adjustment shaft 3 rotatably mounted in cooperation with the headrest bracket, and a damping assembly used in cooperation with the headrest fixing frame; the adjustment shaft 3 rotates to drive the headrest fixing frame 2 and the headrest 1 to rotate synchronously, and the limit assembly is used to limit the adjustment shaft; the seat headrest structure of the present technical solution, the headrest mounting mechanism is rotatably mounted on the headrest bracket, and the limit adjustment of the headrest is performed by the limit assembly, and a damping assembly used in cooperation with the rotation adjustment is arranged on the adjustment shaft to provide a protective damping force for its rotation adjustment, slow down the adjustment speed of the headrest, and avoid excessive unlocking force during the folding process of the headrest causing damage to the internal functional parts of the headrest.
[0022] In this embodiment, the damping assembly includes a damping wing plate 10 fixedly mounted on the headrest fixing frame 2 and a damper 11 installed between the damping wing plate 10 and the adjustment shaft 3. The upper end of the damper 3 is hingedly mounted on the damping wing plate, and the lower end of the damper 3 is sleeved on the adjustment shaft 3. The two ends of the damping wing plate 10 are connected and installed with the two headrest fixing frames respectively, and the damper is installed between the damping wing plate 10 and the adjustment shaft 3. When the limit assembly is unlocked, due to the provision of the damper 11 (the damper of the prior art can be used, which will not be repeated here), the adjustment shaft will not rotate too fast due to excessive unlocking force, thereby impacting the internal mechanism, thereby playing a protective role.
[0023] In this embodiment, the limit assembly includes a first tooth plate 5 installed on the headrest bracket 4, a second tooth plate 7 installed on the adjustment shaft, a first torsion spring 8 used in conjunction with the first tooth plate 5, a second torsion spring 6 used in conjunction with the second tooth plate 7, and an adjustment cable 9 installed on the headrest bracket, wherein the adjustment cable 9 pulls the first tooth plate to rotate to unlock the second tooth plate. The first tooth plate is rotatably installed on the headrest bracket 4, and the second tooth plate is installed on the adjustment shaft. Both tooth plates are equipped with corresponding torsion springs, and the adjustment cable 9 is connected to the first tooth plate. When the first tooth plate is pulled, the first tooth plate rotates to release the limiting effect on the second tooth plate.
[0024] In this embodiment, the upper end of the first tooth plate 5 is raised to form a first convex tooth portion 51, and the lower end of the second tooth plate 7 is raised to form a second convex tooth portion. The first convex tooth portion 51 is pressed on the second convex tooth portion to form a locking state. Figure 2 (locked at this time), the upper end of the first tooth plate 5 (i.e. Figure 2 The first protruding tooth portion 51 is formed after the first protruding tooth portion 51 is raised, and the corresponding second tooth plate also forms a protruding tooth structure at its lower end. The two are used together. When the adjustment cable 9 is pulled downward, the first protruding tooth portion 51 rotates to release the second tooth plate 7.
[0025] In this embodiment, the upper end of the second tooth plate 7 is raised to form a tooth plate convex part, and the headrest bracket 4 is a "U"-shaped structure as a whole. The side of the headrest bracket 4 extends upward and bends inward to form a bracket limiting arm 41 for limiting the rotation of the tooth plate convex part. Figure 2 As shown in the figure, the upper end of the second tooth plate 7 is also raised to form a tooth plate upper convex structure, and the headrest bracket 4 is processed to form a bracket limiting arm 41 for rotationally limiting the second tooth plate.
[0026] In this embodiment, one end of the first torsion spring 8 is installed on the headrest bracket, and the other end of the first torsion spring 8 is connected and installed with the first tooth plate 5. The second torsion spring 6 is sleeved on the adjustment shaft, and one end of the second torsion spring 8 is connected and installed with the second tooth plate, and the other end of the second torsion spring is connected and installed with the headrest bracket 4. The two torsion springs are installed in correspondence with the two tooth plates so that they can meet the performance requirements.
[0027] In this embodiment, the lower end of the headrest bracket 4 extends downward and bends inward to form a cable mounting lug for mounting the adjustment cable, and the first tooth plate 5 is provided with a cable mounting hole for mounting the adjustment cable 9. The headrest bracket 4 extends downward and is bent to form a lug structure, which is connected and mounted in conjunction with the adjustment cable 9.
[0028] In this embodiment, the headrest fixing frame 2 includes a left fixing frame and a right fixing frame of the same structure, and the left fixing frame and the right fixing frame are respectively arranged on both sides of the headrest bracket 4 and connected and installed with the adjustment shaft 3. The two ends of the adjustment shaft 3 are respectively connected and installed with two fixing frames of the same structure, and when the adjustment shaft 3 rotates, the left fixing frame and the right fixing frame are driven to rotate simultaneously.
[0029] In this embodiment, the two ends of the damping wing plate 10 are respectively fixedly mounted on the left fixing frame and the right fixing frame. The two ends of the damping wing plate 10 are respectively connected and mounted on the two fixing frames to ensure the stability of the damper installation.
[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A car seat headrest structure, characterized in that: It includes a headrest bracket, a headrest mounting mechanism rotatably mounted on the headrest bracket, and a limit assembly mounted on the headrest bracket; the headrest mounting mechanism includes a headrest body, a headrest fixing frame, an adjustment shaft rotatably mounted in cooperation with the headrest bracket, and a damping assembly used in cooperation with the headrest fixing frame; the rotation of the adjustment shaft drives the headrest fixing frame and the headrest to rotate synchronously, and the limit assembly is used to limit the adjustment shaft.
2. The automobile seat headrest structure according to claim 1, characterized in that: The damping assembly comprises a damping wing plate fixedly mounted on the headrest fixing frame and a damper mounted between the damping wing plate and the adjusting shaft. The upper end of the damper is hingedly mounted on the damping wing plate, and the lower end of the damper is sleeved on the adjusting shaft.
3. The automobile seat headrest structure according to claim 1, characterized in that: The limiting assembly includes a first tooth plate installed on the headrest bracket, a second tooth plate installed on the adjusting shaft, a first torsion spring used in conjunction with the first tooth plate, a second torsion spring used in conjunction with the second tooth plate, and an adjusting cable installed on the headrest bracket, wherein the adjusting cable pulls the first tooth plate to rotate to unlock and limit the second tooth plate.
4. The automobile seat headrest structure according to claim 3, characterized in that: The upper end of the first tooth plate protrudes to form a first convex tooth portion, the lower end of the second tooth plate protrudes to form a second convex tooth portion, and the first convex tooth portion is pressed on the second convex tooth portion to form a locking state.
5. The automobile seat headrest structure according to claim 4, characterized in that: The upper end of the second tooth plate is raised to form a convex part of the tooth plate, and the headrest bracket is in a "U"-shaped structure as a whole. The side surface of the headrest bracket extends upward and bends inward to form a bracket limiting arm for limiting the rotation of the convex part of the tooth plate.
6. The automobile seat headrest structure according to claim 3, characterized in that: One end of the first torsion spring is installed on the headrest bracket, and the other end of the first torsion spring is connected and installed with the first tooth plate. The second torsion spring is sleeved on the adjustment shaft, one end of the second torsion spring is connected and installed with the second tooth plate, and the other end of the second torsion spring is connected and installed with the headrest bracket.
7. The automobile seat headrest structure according to claim 3, characterized in that: The lower end of the headrest bracket extends downward and bends inward to form a cable mounting lug for mounting an adjusting cable, and the first tooth plate is provided with a cable mounting hole for mounting the adjusting cable.
8. The automobile seat headrest structure according to claim 2, characterized in that: The headrest fixing frame comprises a left fixing frame and a right fixing frame with the same structure. The left fixing frame and the right fixing frame are respectively arranged on both sides of the headrest bracket and are connected and installed with the adjustment shaft.
9. The automobile seat headrest structure according to claim 8, characterized in that: The two ends of the damping wing plate are fixedly mounted on the left fixing frame and the right fixing frame respectively.