Rotary lifting headrest and seat

Abstract

The utility model relates to a rotary lifting headrest which comprises a connecting support used for being connected with a seat, a rotary connecting assembly, a rotary lifting assembly and a headrest assembly, the rotary connecting assembly is connected with the connecting support, and the rotary lifting assembly is rotationally connected with the rotary connecting assembly and connected with the headrest assembly in a lifting mode. The rotary lifting assembly comprises a rotary seat and a lifting connecting piece, the rotary connecting assembly is arranged at one end of the rotary seat in a penetrating mode and rotationally connected with the rotary seat, and the headrest assembly is connected with the rotary seat in a lifting mode through the lifting connecting piece. The utility model has the beneficial effects that the structure is compact, the comfort of a user can be improved, and the risk of neck injury is reduced.

Description

Technical Field

[0001] This utility model relates to the field of seating technology, specifically to a rotating and lifting headrest and seat. Background Technology

[0002] In modern office environments, the comfort and ergonomic design of chairs are receiving increasing attention. Among them, the headrest, as a key component supporting the neck, directly affects the user's work efficiency and health. Existing chair headrests have simple structures and limited functionality. Conventional fixed or single-adjustable headrests cannot simultaneously meet the personalized needs of users of different body types for height and angle, leading to continuous tension in the neck muscles during long hours of work and increasing the risk of occupational strain injuries. There is a need for a headrest that can adjust the height and angle without increasing the overall size of the headrest. Utility Model Content

[0003] The purpose of this invention is to provide a rotating and lifting headrest and seat that is compact in structure, improves user comfort, and reduces the risk of neck injury.

[0004] A rotating and height-adjustable headrest includes a connecting bracket for connection to a seat, a rotating connecting assembly, a rotating and height-adjustable assembly, and a headrest assembly. The rotating connecting assembly is connected to the connecting bracket, and the rotating and height-adjustable assembly is rotatably connected to the rotating connecting assembly and height-adjustably connected to the headrest assembly. The rotating and height-adjustable assembly includes a rotating seat and a height-adjustable connector. The rotating connecting assembly passes through one end of the rotating seat and is rotatably connected to the rotating seat. The height-adjustable connector allows the headrest assembly to be height-adjustably connected to the rotating seat.

[0005] In the above solution, the headrest angle and height can be adjusted in an integrated manner through the coordinated operation of the rotating seat and the lifting connector. The rotation and lifting functions are independent yet organically combined, which significantly improves the compactness and functionality of the overall structure and ensures that the overall structure is simple and beautiful. This dual adjustment design allows the headrest to accurately adapt to the user's head position, providing a personalized support experience, improving user comfort, and effectively reducing the injury to the human neck.

[0006] Furthermore, the connecting bracket is provided with a connecting shaft at one end connected to the rotating connecting assembly. The rotating connecting assembly includes two connecting pins and two elastic elements. The two connecting pins are threaded to the two ends of the connecting shaft respectively, and the elastic elements are sleeved on the connecting pins.

[0007] In the above design, two connecting pins are threaded to both ends of the connecting shaft, forming a stable rotational support base. The elastic element fitted onto the connecting pins provides the necessary axial preload, ensuring smooth rotation between the rotating seat and the rotating connecting assembly while effectively eliminating assembly gaps between components. This design keeps the entire headrest assembly stable and wobble-free during rotation, while the cushioning effect of the elastic element significantly reduces rotational friction noise and extends service life.

[0008] Furthermore, the rotary lifting assembly also includes a cover, and two rotating sleeves are provided at one end of the rotating seat connected to the connecting shaft. The rotating sleeves are sleeved on the elastic element, and the cover is placed over the end of the rotating sleeves away from the connecting shaft.

[0009] In the above solution, the rotating sleeve is fitted onto the elastic element to achieve the rotating connection between the rotating seat and the rotating connection assembly. The covers installed at both ends of the rotating sleeve provide all-round protection for the rotating lifting assembly, effectively preventing dust and foreign objects from entering and significantly improving the durability of the components.

[0010] Furthermore, the headrest assembly includes a headrest base, and the main body portion of the rotating seat connected to the headrest base is provided with a connecting protrusion. The connecting protrusion passes through the headrest base, and the lifting connector is connected to the rotating seat through the connecting protrusion.

[0011] In the above solution, the connecting protrusion extending from the main body of the rotating seat passes through the headrest base, and the lifting connector is connected to the connecting protrusion. This achieves the lifting connection between the rotating seat and the headrest assembly. The lifting connector is provided with a connecting hole corresponding to the position of the connecting protrusion. The thread passes through the connecting hole and is threadedly connected to the connecting protrusion to achieve the connection between the lifting connector, the headrest base, and the rotating seat.

[0012] Furthermore, the headrest base is provided with a groove, and a sliding slot is opened in the groove. The connecting protrusion passes through the sliding slot and can move along the trajectory of the sliding slot.

[0013] In the above solution, the structure with sliding groove on the headrest base provides a precise guide track for the connecting protrusion, so that the lifting process always moves along the predetermined trajectory, completely avoiding swaying or jamming. The groove allows the lifting connector to be embedded in the groove, so as not to increase the thickness of the headrest assembly.

[0014] Furthermore, the headrest base is provided with several sets of ball grooves evenly arranged in a straight line, and several balls are embedded between the lifting connector and the ball grooves.

[0015] In the above solution, the precise fit between the ball bearings and the ball bearing grooves achieves micron-level motion accuracy, completely eliminating the jamming phenomenon caused by traditional sliding friction. The lifting and lowering of the headrest assembly can be more convenient and smooth. At the same time, the evenly distributed multiple ball bearings effectively share the load pressure, allowing the structure to maintain its initial smoothness after long-term use.

[0016] Furthermore, the headrest assembly also includes a headrest frame and a headrest pad, the headrest frame being connected to the headrest base, and the headrest pad covering the headrest frame.

[0017] In the above solution, the rigid connection between the headrest frame and the headrest base provides a stable support framework, ensuring that the overall structure maintains shape stability during frequent adjustments and use; the headrest cushion's all-around wrapping design of the headrest frame ensures a soft and comfortable tactile experience, better conforms to the curve of the human head, achieves precise pressure distribution, and improves user comfort.

[0018] A seat comprising a rotating and lifting headrest as described in any of the above embodiments.

[0019] This utility model discloses a rotating and lifting headrest and seat, which has a compact structure and can improve user comfort and reduce the risk of neck injury. Through the coordinated operation of the rotating seat and the lifting connector, the headrest angle and height can be adjusted in an integrated manner. The rotation and lifting functions are independent yet organically combined, significantly improving the overall compactness and functionality of the structure. This dual-adjustment design allows the headrest to precisely adapt to the user's head position, providing a personalized support experience, improving user comfort, and effectively reducing neck injury. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the rotating and lifting headrest according to one embodiment.

[0021] Figure 2 An exploded view of a rotating and lifting headrest according to one embodiment.

[0022] Figure 3 This is an exploded view of a rotating connection assembly and a rotating lifting assembly according to one embodiment.

[0023] Figure 4 This is a schematic diagram of the headrest base and lifting connector structure according to one embodiment.

[0024] Reference numerals: 1. Connecting bracket; 2. Rotating connecting assembly; 21. Connecting pin; 22. Elastic element; 3. Rotating lifting assembly; 31. Rotating seat; 311. Rotating sleeve; 312. Main body; 32. Lifting connecting piece; 33. Cover; 4. Headrest assembly; 41. Headrest base; 411. Groove; 412. Sliding slot; 413. Ball groove; 42. Headrest frame; 43. Headrest pad; 5. Connecting shaft; 6. Connecting protrusion. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.

[0026] like Figures 1 to 4 As shown in a preferred embodiment, the present invention provides a rotating and lifting headrest, comprising a connecting bracket 1 for connection with a seat, a rotating connecting component 2, a rotating and lifting component 3, and a headrest assembly 4. The rotating connecting component 2 is connected to the connecting bracket 1, and the rotating and lifting component 3 is rotatably connected to the rotating connecting component 2 and vertically connected to the headrest assembly 4. The rotating and lifting component 3 includes a rotating seat 31 and a lifting connector 32. The rotating connecting component 2 passes through one end of the rotating seat 31 and is rotatably connected to the rotating seat 31. The lifting connector 32 enables the headrest assembly 4 to be vertically connected to the rotating seat 31. Through the coordinated cooperation of the rotating seat 31 and the lifting connector 32, the integrated adjustment of the headrest angle and height is achieved. The rotation and lifting functions are independent yet organically combined, significantly improving the compactness and functionality of the overall structure, ensuring a simple and aesthetically pleasing overall structure. This dual-adjustment design allows the headrest to accurately adapt to the user's head position, providing a personalized support experience, improving user comfort, and effectively reducing neck injury.

[0027] As shown in the figure Figure 1 , Figure 2 and Figure 3 As shown, in some embodiments, the end of the connecting bracket 1 connected to the rotating connecting assembly 2 is provided with a connecting shaft 5. The rotating connecting assembly 2 includes two connecting pins 21 and two elastic elements 22. The two connecting pins 21 are threadedly connected to both ends of the connecting shaft 5, and the elastic elements 22 are sleeved on the connecting pins 21. The two connecting pins 21 are threadedly fastened to both ends of the connecting shaft 5, forming a stable rotating support base. The elastic elements 22 sleeved on the connecting pins 21 provide the necessary axial preload, ensuring smooth rotation between the rotating seat 31 and the rotating connecting assembly 2, and effectively eliminating assembly gaps between components. This design keeps the entire headrest assembly 4 stable and wobble-free during rotation, while the cushioning effect of the elastic elements 22 significantly reduces rotational friction noise and extends service life.

[0028] like Figure 2 and Figure 3As shown, in some embodiments, the rotary lifting assembly 3 further includes a cover 33. Two rotating sleeves 311 are provided at the end of the rotating seat 31 connected to the connecting shaft 5. The rotating sleeves 311 are fitted onto the elastic element 22, and the cover 33 covers the end of the rotating sleeves 311 away from the connecting shaft 5. The rotating sleeves 311 fitted onto the elastic element 22 realize the rotational connection between the rotating seat 31 and the rotary connecting assembly 2. The cover 33 installed at both ends of the rotating sleeves 311 provides all-around protection for the rotary lifting assembly 3, effectively preventing dust and foreign objects from entering and significantly improving the durability of the component.

[0029] like Figure 2 and Figure 3 As shown, in some embodiments, the headrest assembly 4 includes a headrest base. The main body 312 of the rotating seat 31, which is connected to the headrest base, is provided with a connecting protrusion 6. The connecting protrusion 6 passes through the headrest base, and the lifting connector 32 is connected to the rotating seat 31 through the connecting protrusion 6. By passing the connecting protrusion 6 extending from the main body 312 of the rotating seat 31 through the headrest base and connecting the lifting connector 32 to the connecting protrusion 6, the lifting connection between the rotating seat 31 and the headrest assembly 4 is realized. The lifting connector 32 is provided with a connecting hole corresponding to the position of the connecting protrusion 6. By threading the thread through the connecting hole and threading it to the connecting protrusion 6, the lifting connector 32 can be connected to the headrest base and the rotating seat 31.

[0030] like Figure 3 and Figure 4 As shown, in some embodiments, the headrest base is provided with a groove 411, and a sliding slot 412 is opened in the groove 411. The connecting protrusion 6 passes through the sliding slot 412 and can move along the trajectory of the sliding slot 412. The structure with the sliding slot 412 on the headrest base provides a precise guide track for the connecting protrusion 6, so that the lifting process always moves along the predetermined trajectory, completely avoiding swaying or jamming. The groove 411 allows the lifting connector 32 to be embedded in the groove 411, thus not increasing the thickness of the headrest assembly 4.

[0031] like Figure 3 and Figure 4 As shown, in some embodiments, the headrest base is further provided with several sets of ball grooves 413 evenly arranged in a straight line, and several balls are embedded between the lifting connector 32 and the ball grooves 413. The precise cooperation between the balls and the ball grooves 413 achieves micron-level motion accuracy, completely eliminating the jamming phenomenon caused by traditional sliding friction. The lifting of the headrest assembly 4 can be more convenient and smooth, and the evenly distributed multiple balls effectively share the load pressure, so that the structure can still maintain its initial smoothness after long-term use.

[0032] like Figure 2As shown, in some embodiments, the headrest assembly 4 further includes a headrest frame 42 and a headrest pad 43. The headrest frame 42 is connected to the headrest base, and the headrest pad 43 covers the headrest frame 42. The rigid connection between the headrest frame 42 and the headrest base provides a stable support frame, ensuring that the overall structure maintains shape stability during frequent adjustments and use. The all-around coverage design of the headrest pad 43 over the headrest frame 42 ensures a soft and comfortable tactile experience, better conforms to the curve of the human head, achieves precise pressure distribution, and improves user comfort.

[0033] The present invention relates to a rotating and lifting headrest and seat. The working principle and process are as follows: the headrest assembly 4 can move up and down by the cooperation of the rotating seat 31 and the lifting connecting piece 32. The rotating sleeve 311 at one end of the rotating seat 31 is rotatably sleeved on the elastic member 22. The elastic member 22 is sleeved on the connecting pin 21. The connecting pin 21 is threadedly connected to the connecting shaft 5 of the connecting bracket 1, thereby realizing the rotating connection between the rotating seat 31 and the connecting bracket 1.

[0034] In the description of this utility model, it should be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] Although the description of this utility model has been given in conjunction with the specific embodiments described above, it is obvious to those skilled in the art that many substitutions, modifications, and variations can be made based on the above description. Therefore, all such substitutions, modifications, and variations are included within the spirit and scope of the appended claims.

Claims

1. A rotating and lifting headrest, characterized in that, The device includes a connecting bracket for connecting to a seat, a rotating connecting assembly, a rotating lifting assembly, and a headrest assembly. The rotating connecting assembly is connected to the connecting bracket. The rotating lifting assembly is rotatably connected to the rotating connecting assembly and is vertically connected to the headrest assembly. The rotating lifting assembly includes a rotating seat and a lifting connector. The rotating connecting assembly passes through one end of the rotating seat and is rotatably connected to the rotating seat. The lifting connector enables the headrest assembly to be vertically connected to the rotating seat.

2. The rotating and lifting headrest according to claim 1, characterized in that, The connecting bracket is provided with a connecting shaft at one end connected to the rotating connecting assembly. The rotating connecting assembly includes two connecting pins and two elastic elements. The two connecting pins are threaded to the two ends of the connecting shaft respectively, and the elastic elements are sleeved on the connecting pins.

3. The rotating and lifting headrest according to claim 2, characterized in that, The rotary lifting assembly also includes a cover. Two rotating sleeves are provided at one end of the rotating seat that is connected to the connecting shaft. The rotating sleeves are sleeved on the elastic element, and the cover is placed over the end of the rotating sleeves that is away from the connecting shaft.

4. The rotating and lifting headrest according to claim 1, characterized in that, The headrest assembly includes a headrest base, and the main body of the rotating seat connected to the headrest base is provided with a connecting protrusion. The connecting protrusion passes through the headrest base, and the lifting connector is connected to the rotating seat through the connecting protrusion.

5. The rotating and lifting headrest according to claim 4, characterized in that, The headrest base is provided with a groove, and a sliding slot is opened in the groove. The connecting protrusion passes through the sliding slot and can move along the trajectory of the sliding slot.

6. The rotating and lifting headrest according to claim 5, characterized in that, The headrest base is also provided with several sets of ball grooves evenly arranged in a straight line, and several balls are embedded between the lifting connector and the ball grooves.

7. The rotating and lifting headrest according to claim 4, characterized in that, The headrest assembly also includes a headrest frame and a headrest pad, the headrest frame being connected to the headrest base, and the headrest pad covering the headrest frame.

8. A type of seat, characterized in that, Including the rotating lifting headrest as described in any one of claims 1 to 7.

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