An adjustable vibrating seat recliner
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU ZHENERJIAN TECHNOLOGY DEVELOPMENT CO LTD
- Filing Date
- 2025-09-04
- Publication Date
- 2026-08-07
AI Technical Summary
[0002]座卧躺椅作为家庭、养老机构及休闲场所中广泛应用的装置,能够为用户提供放松的舒适载体,尤其对于注重身体舒缓需求的中老年人而言,是日常缓解疲劳、放松身心的重要设备,然而,随着人们生活水平的提高,现有座卧躺椅在功能设计与实际使用体验上难以满足用户多样化、精细化的使用需求
[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: Through the synergistic action of the support component and the power component, the eccentric wheel is driven by the motor, so that the upper iron frame can swing controllably through the swing pin, providing multiple levels of fine vibration massage function to meet the soothing needs of different users. The angle adjustment component realizes convenient adjustment and reliable locking of the backrest angle through the engagement and disengagement of the locking block and the gear. When adjusting the backrest angle, the transmission group adjusts the front and rear positions of the bearing plate and the vibration system in conjunction. The headrest component and the locking component work together to quickly adjust the height of the headrest. After being released, the locking spring automatically resets and locks, which significantly improves the comfort, adaptability and ease of operation of the product.
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Figure CN224597814U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of leisure and health care equipment technology, specifically relating to an adjustable vibrating reclining chair. Background Technology
[0002] Reclining chairs are widely used in homes, elderly care facilities, and leisure venues, providing users with a comfortable space to relax. They are especially important for middle-aged and elderly people who value physical relaxation, serving as a daily tool to relieve fatigue and unwind. However, with the improvement of people's living standards, existing reclining chairs are struggling to meet the diverse and sophisticated needs of users in terms of functional design and actual user experience.
[0003] Some existing recliners only have basic sitting and reclining functions and lack a vibration module. A few products that integrate vibration functions only have 3-5 fixed vibration frequencies with rough adjustment precision. Furthermore, the backrest angle adjustment of some devices is cumbersome and cannot be adjusted in conjunction with the seat. During the backrest angle adjustment process, the support plate and vibration system (if configured) of existing products cannot adjust their positions in sync, causing the user's sitting posture to shift after the angle is adjusted. This reduces the fit between the back and waist and the recliner, thus reducing the comfort of use. In addition, many recliner headrests use a fixed height design or are adjusted by bolts, which is time-consuming to operate. Utility Model Content
[0004] The purpose of this invention is to provide an adjustable vibrating reclining chair, which aims to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An adjustable vibrating recliner, comprising,
[0007] The main structure includes a seat frame, a seat backrest disposed on the top of the seat frame, movable rails symmetrically disposed on both sides of the top of the seat frame, a support plate disposed on the inner side of the top of the seat frame, and a footrest disposed on one side of the seat frame;
[0008] The auxiliary mechanism includes a support assembly disposed on the top of the support plate, a power assembly disposed on the support assembly, an angle adjustment assembly disposed on the top of the moving track, a transmission assembly symmetrically disposed inside the angle adjustment assembly, a headrest assembly disposed on the top of the seat back, and a locking assembly disposed on one side of the headrest assembly.
[0009] As a preferred embodiment of the present invention, the support assembly includes a mounting shell disposed on the top of the bearing plate, a lower iron frame disposed on the inner wall of the bottom of the mounting shell, swing pins symmetrically disposed on both sides of the top of the lower iron frame, an upper iron frame disposed on the top of the lower iron frame, and a fixing plate disposed on the inner side of the upper iron frame.
[0010] The lower iron frame and the upper iron frame are rotatably connected by the swing pin.
[0011] As a preferred embodiment of this utility model, the power assembly includes a motor installed on the top of the lower iron frame, a transmission component whose one end is fixedly connected to the output end of the motor, and an eccentric wheel disposed at the other end of the transmission component;
[0012] The top of the eccentric wheel is mounted on the inner side of the fixed plate.
[0013] As a preferred embodiment of this utility model, the angle adjustment assembly includes two angle adjuster housings disposed at the top of the moving track, an adjustment shaft penetrating the surface of the angle adjuster housing, a torsion spring disposed on the inner wall of the adjustment shaft on one side, a gear fixedly sleeved on the surface of the adjustment shaft, an adjustment handle fixedly sleeved on the surface of the adjustment shaft, an adjustment groove formed on the surface of the adjustment handle, and a locking block rotatably disposed on the inner wall of the angle adjuster housing.
[0014] In a preferred embodiment of this utility model, the adjusting shaft is rotatably connected to the angle adjuster housing, the two ends of the torsion spring are fixedly connected to the angle adjuster housing and the adjusting shaft respectively, the locking block engages with the gear and slides with the inner surface of the adjusting groove.
[0015] As a preferred embodiment of this utility model, the transmission assembly includes a backrest plate fixedly sleeved on the surfaces of the two adjusting shafts, a transmission rod fixedly installed at one end of the adjusting shaft, and a transmission sleeve that slides with one end of the transmission rod.
[0016] The two transmission sleeves are respectively fixedly connected to the bearing plate.
[0017] As a preferred embodiment of this utility model, the headrest assembly includes two locking rods symmetrically arranged on the top of the seat back, a locking grooves linearly arrayed on the surface of the locking rods, a pillow disposed on the top of the two locking rods, and a mounting box disposed on the back of the pillow.
[0018] As a preferred embodiment of this utility model, the locking assembly includes a guide groove disposed at the bottom of the inner wall of the mounting box, two sliders symmetrically disposed at the top of the guide groove, a locking pin disposed on the outside of the slider, two limiting rods disposed between the two sliders, a locking spring sleeved on the surface of the limiting rod, an active rod rotatably connected to the slider at one end, and a pull ring rotatably connected to the other end of the two active rods.
[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: Through the synergistic action of the support component and the power component, the eccentric wheel is driven by the motor, so that the upper iron frame can swing controllably through the swing pin, providing multiple levels of fine vibration massage function to meet the soothing needs of different users. The angle adjustment component realizes convenient adjustment and reliable locking of the backrest angle through the engagement and disengagement of the locking block and the gear. When adjusting the backrest angle, the transmission group adjusts the front and rear positions of the bearing plate and the vibration system in conjunction. The headrest component and the locking component work together to quickly adjust the height of the headrest. After being released, the locking spring automatically resets and locks, which significantly improves the comfort, adaptability and ease of operation of the product. Attached Figure Description
[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the 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. Among them:
[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This is a partial structural diagram of the main body of this utility model;
[0023] Figure 3 This is an exploded view of the support component of this utility model;
[0024] Figure 4 This is an exploded schematic diagram of the power component of this utility model.
[0025] Figure 5 This is a cross-sectional view of the angle adjustment component and the transmission component of this utility model.
[0026] Figure 6 This is a schematic diagram of the headrest assembly structure of this utility model.
[0027] Figure 7 This is a schematic diagram of the locking component structure of this utility model.
[0028] In the diagram: 100, Main structure; 101, Seat frame; 102, Seat backrest; 103, Moving track; 104, Support plate; 105, Footrest; 200, Auxiliary mechanism; 201, Support assembly; 201a, Mounting housing; 201b, Lower frame; 201c, Swing pin; 201d, Upper frame; 201e, Fixing plate; 202, Power assembly; 202a, Motor; 202b, Transmission component; 202c, Eccentric wheel; 203, Angle adjustment assembly; 203a, Angle adjuster housing; 203b, Adjustment shaft; 203c... Torsion spring; 203d, gear; 203e, adjusting handle; 203f, adjusting groove; 203g, locking block; 204, transmission assembly; 204a, backrest panel; 204b, transmission rod; 204c, transmission sleeve; 205, headrest assembly; 205a, locking rod; 205b, locking groove; 205c, backrest; 205d, mounting box; 206, locking assembly; 206a, guide groove; 206b, slider; 206c, locking pin; 206d, limit rod; 206e, locking spring; 206f, driving rod; 206g, pull ring. Detailed Implementation
[0029] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0030] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0031] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.
[0032] Example 1
[0033] Reference Figure 1-7 This is the first embodiment of the present invention, which provides an adjustable vibrating reclining chair, comprising:
[0034] The main structure 100 includes a seat frame 101, a seat back 102 disposed on the top of the seat frame 101, moving rails 103 symmetrically disposed on both sides of the top of the seat frame 101, a support plate 104 disposed on the inner side of the top of the seat frame 101, and a footstool 105 disposed on one side of the seat frame 101.
[0035] The auxiliary mechanism 200 includes a support assembly 201 disposed on the top of the support plate 104, a power assembly 202 disposed on the support assembly 201, an angle adjustment assembly 203 disposed on the top of the moving track 103, a transmission assembly 204 symmetrically disposed inside the angle adjustment assembly 203, a headrest assembly 205 disposed on the top of the seat back 102, and a locking assembly 206 disposed on one side of the headrest assembly 205.
[0036] It should be noted that the seat back 102 is used to support the user's back. The moving rails 103 are symmetrically arranged on both sides of the top of the seat frame 101 to adjust the relative position of the seat back 102 and the support plate 104. The support plate 104 is used to install the support component 201. The footrest 105 is arranged on one side of the seat frame 101 and works with other components to improve the comfort of the user's leg placement. The support component 201 can swing at a certain angle and is used to install the power component 202. The power component 202 provides the swing power for the support component 201. The angle adjustment component 203 is used to lock the seat back 102 and the seat frame 101 after adjusting their relative angle. The transmission component 204 is used to adjust the front and rear position of the support component 201 in conjunction with the adjustment of the seat back 102. The headrest component 205 is used to support the user's head. The locking component 206 is used to lock and unlock the headrest component 205 after adjusting its height.
[0037] Specifically, the support assembly 201 includes a mounting housing 201a disposed on the top of the bearing plate 104, a lower iron frame 201b disposed on the bottom inner wall of the mounting housing 201a, swing pins 201c symmetrically disposed on both sides of the top of the lower iron frame 201b, an upper iron frame 201d disposed on the top of the lower iron frame 201b, and a fixing plate 201e disposed on the inner side of the upper iron frame 201d;
[0038] The lower iron frame 201b and the upper iron frame 201d are rotatably connected by a swing pin 201c.
[0039] It should be noted that the surface shape of the mounting shell 201a is designed according to the curve of the human body to provide protection for its internal components. Its length is designed based on the typical back length of 78cm and width of 48cm. When a person lies on it, it vibrates back and forth. Two swing pins 201c are symmetrically arranged on both sides of the top of the lower iron frame 201b. The upper iron frame 201d is rotatably connected to the lower iron frame 201b via the swing pins 201c, allowing for relative swinging at a certain angle between the upper and lower iron frames 201d. The fixing plate 201e is located inside the upper iron frame 201d and is used to transmit the power of the power assembly 202 to the upper iron frame 201d.
[0040] Furthermore, the power assembly 202 includes a motor 202a mounted on the top of the lower iron frame 201b, a transmission component 202b with one end fixedly connected to the output end of the motor 202a, and an eccentric wheel 202c disposed at the other end of the transmission component 202b.
[0041] The top of the eccentric wheel 202c is mounted on the inside of the fixed plate 201e.
[0042] It should be noted that the transmission component 202b includes two transmission wheels respectively located at the output end of the motor 202a and the input end of the eccentric wheel 202c, and transmission belts respectively fitted on the surfaces of the two transmission wheels. The motor 202a is installed on the top of the lower iron frame 201b to provide power for the vibration of the device. When the motor 202a is working, it drives the eccentric wheel 202c to rotate through the transmission component 202b. The centrifugal force of the eccentric wheel causes the upper iron frame 201d to swing relative to the lower iron frame 201b through the swing pin 201c, thereby realizing the vibration function of the recliner. The vibration levels range from level 1 to level 120. The first level has a frequency of 120 jumps, and each level has a frequency of 4 jumps, for a total of 120 levels, which can be selected according to the different ages of middle-aged and elderly people.
[0043] Furthermore, the angle adjustment assembly 203 includes two angle adjuster housings 203a disposed on the top of the moving track 103, an adjustment shaft 203b penetrating the surface of the angle adjuster housing 203a, a torsion spring 203c disposed on the inner wall of one side of the adjustment shaft 203b, a gear 203d fixedly sleeved on the surface of the adjustment shaft 203b, an adjustment handle 203e fixedly sleeved on the surface of the adjustment shaft 203b, an adjustment groove 203f opened on the surface of the adjustment handle 203e, and a locking block 203g rotatably disposed on the inner wall of the angle adjuster housing 203a.
[0044] Preferably, the adjusting shaft 203b is rotatably connected to the angle adjuster housing 203a, the two ends of the torsion spring 203c are fixedly connected to the angle adjuster housing 203a and the adjusting shaft 203b respectively, and the locking block 203g is engaged with the gear 203d and slides with the inner surface of the adjusting groove 203f.
[0045] It should be noted that there are two angle adjuster housings 203a, symmetrically arranged on the top of the moving track 103. One angle adjuster housing 203a has a slot for the movement of the adjusting handle 203e. The adjusting shaft 203b passes through the surface of the angle adjuster housing 203a and is rotatably connected to the angle adjuster housing 203a. The two ends of the torsion spring 203c are fixedly connected to the angle adjuster housing 203a and the adjusting shaft 203b respectively, providing a reset elastic force. The locking block 203g is rotatably arranged on the inner wall of the angle adjuster housing 203a. A locking protrusion is provided on one side of the locking block. The locking protrusion engages with the gear 203d and slides with the inner surface of the adjusting groove 203f. When the adjusting handle 203e is rotated, the adjusting groove 203f drives the locking block 203g to move, thereby causing the locking block 203g to rotate around its connection with the inner wall of the angle adjuster housing 203a, so that the locking protrusion engages with or disengages from the gear 203d, thereby achieving locking and unlocking.
[0046] The transmission assembly 204 includes a backrest plate 204a fixedly sleeved on the surface of the two adjusting shafts 203b, a transmission rod 204b fixedly installed on one end of the adjusting shafts 203b, and a transmission sleeve 204c that slides with one end of the transmission rod 204b.
[0047] The two transmission sleeves 204c are fixedly connected to the bearing plate 104 respectively.
[0048] It should be noted that when adjusting the angle of the seat back 102, the gear 203d is unlocked by adjusting the handle 203e, and then the seat back 102 is rotated. When the seat back 102 is rotated, the backrest plate 204a drives the transmission rod 204b to move synchronously. Through the cooperation of the transmission rod 204b and the transmission sleeve 204c, the relative movement of the support plate 104 and the support assembly 201 is driven, so as to realize the synchronous adjustment of the angle of the seat back 102 and the horizontal position of the support plate 104.
[0049] Specifically, the headrest assembly 205 includes two locking rods 205a symmetrically arranged on the top of the seat back 102, locking grooves 205b linearly arranged on the surface of the locking rods 205a, a cushion 205c arranged on the top of the two locking rods 205a, and a mounting box 205d arranged on the back of the cushion 205c.
[0050] It should be noted that the headrest 205c is located on top of the two locking rods 205a to support the user's head, and the mounting box 205d is located on the back of the headrest 205c to install the locking component 206.
[0051] Preferably, the locking assembly 206 includes a guide groove 206a disposed at the bottom of the inner wall of the mounting box 205d, two sliders 206b symmetrically disposed at the top of the guide groove 206a, a locking pin 206c disposed on the outside of the sliders 206b, two limiting rods 206d disposed between the two sliders 206b, a locking spring 206e sleeved on the surface of the limiting rods 206d, an active rod 206f rotatably connected at one end to the sliders 206b, and a pull ring 206g rotatably connected to the other end of the two active rods 206f.
[0052] It should be noted that the slider 206b can slide along the guide groove 206a. Two locking pins 206c are respectively set on the outside of the two sliders 206b, and cooperate with the locking groove 205b to achieve locking. There are two limit rods 206d, which are set between the two sliders 206b to prevent the locking spring 206e from deflecting when it extends or retracts. The locking spring 206e provides the return spring force for the slider 206b. When the pull ring 206g is pulled outward, the active rod 206f drives the sliders 206b to move towards each other along the guide groove 206a, so that the locking pins 206c disengage from the locking groove 205b, and the height of the pillow 205c can be adjusted. After adjusting to the corresponding height, the pull ring 206g is released, the locking spring 206e pushes the slider 206b to return to its original position, and the locking pins 206c insert into the corresponding locking groove 205b to complete the locking.
[0053] When using, first adjust the headrest according to your body size. Pull the pull ring 206g on the back of the pillow 205c outward. The active rod 206f drives the slider 206b to slide towards each other along the guide groove 206a, so that the locking pin 206c disengages from the locking groove 205b on the locking rod 205a. After adjusting the pillow 205c to the appropriate height, release the pull ring 206g. The locking spring 206e pushes the slider 206b to reset, and the locking pin 206c inserts into the corresponding locking groove 205b to complete the headrest fixation.
[0054] When adjusting the seat back angle, rotate the adjustment handle 203e. The adjustment groove 203f drives the locking block 203g to rotate around the inner wall of the outer casing, causing it to disengage from the gear 203d. At this time, the angle of the seat back 102 is unlocked. Then, rotate the seat back 102. The backrest drives the adjustment shaft 203b to rotate through the backrest plate 204a. At the same time, the transmission rod 204b at one end of the adjustment shaft 203b rotates synchronously and slides within the transmission sleeve 204c of the support plate 104. This causes the support plate 104 and the support assembly 201 to move back and forth to adapt to the sitting posture. After the angle is suitable, release the adjustment handle 203e, and the locking block 203g disengages from the gear. The 203d locking mechanism allows the torsion spring 203c to rotate the adjustment shaft 203b when the seat back 102 needs to be straightened, thus overcoming some of the gravity and making adjustment easier for the user. For leg relaxation, the user can place their feet on the footrest 105 on one side of the seat frame 101. Finally, for vibration massage, the motor 202a is activated, and its output drives the eccentric wheel 202c to rotate through the transmission component 202b, causing the upper frame 201d to swing relative to the lower frame 201b around the swing pin 201c. The swing frequency can be selected from 1 to 120 levels according to the age of the elderly. Level 1 is 120 times, with each level increasing by 4 times.
[0055] In summary, the main structure 100 provides the basic support and comfortable carrying function of the recliner. The auxiliary structure 200, through the coordinated action of the support component 201 and the power component 202, uses the motor 202a to drive the eccentric wheel 202c, enabling the upper frame 201d to swing controllably via the swing pin 201c. This provides up to 120 levels of fine vibration massage to meet different user needs. The angle adjustment component 203, through the adjustment handle 203e, drives the locking block 203g to engage and disengage with the gear 203d, achieving convenient adjustment and locking of the backrest angle. Component 204, through the sliding engagement of transmission rod 204b and transmission sleeve 204c, adjusts the front and rear positions of the support plate 104 and its top vibration system in conjunction with the adjustment of the backrest angle, ensuring the coordination of structural operation. The headrest component 205 cooperates with the locking component 206. By pulling the pull ring 206g, the slider 206b is retracted via the active rod 206f, causing the locking pin 206c to disengage from the locking groove 205b, thus quickly adjusting the headrest height. After releasing the pull ring, the locking spring 206e pushes the pin to automatically reset and lock, greatly improving the product's adaptability and user experience.
[0056] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0057] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.
[0058] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.
[0059] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. An adjustable vibrating reclining chair, characterized in that: include, The main structure (100) includes a seat frame (101), a seat back (102) disposed on the top of the seat frame (101), a moving track (103) symmetrically disposed on both sides of the top of the seat frame (101), a support plate (104) disposed on the inner side of the top of the seat frame (101), and a footstool (105) disposed on one side of the seat frame (101); The auxiliary mechanism (200) includes a support assembly (201) disposed on the top of the support plate (104), a power assembly (202) disposed on the support assembly (201), an angle adjustment assembly (203) disposed on the top of the moving track (103), a transmission assembly (204) symmetrically disposed inside the angle adjustment assembly (203), a headrest assembly (205) disposed on the top of the seat back (102), and a locking assembly (206) disposed on one side of the headrest assembly (205).
2. The adjustable vibrating reclining chair according to claim 1, characterized in that: The support assembly (201) includes a mounting housing (201a) disposed on the top of the bearing plate (104), a lower iron frame (201b) disposed on the bottom inner wall of the mounting housing (201a), swing pins (201c) symmetrically disposed on both sides of the top of the lower iron frame (201b), an upper iron frame (201d) disposed on the top of the lower iron frame (201b), and a fixing plate (201e) disposed on the inner side of the upper iron frame (201d). The lower iron frame (201b) and the upper iron frame (201d) are rotatably connected by the swing pin (201c).
3. The adjustable vibrating reclining chair according to claim 2, characterized in that: The power assembly (202) includes a motor (202a) mounted on the top of the lower iron frame (201b), a transmission component (202b) with one end fixedly connected to the output end of the motor (202a), and an eccentric wheel (202c) disposed at the other end of the transmission component (202b). The top of the eccentric wheel (202c) is mounted on the inside of the fixed plate (201e).
4. An adjustable vibrating reclining chair according to claim 3, characterized in that: The angle adjustment assembly (203) includes two angle adjuster housings (203a) disposed on the top of the moving track (103), an adjustment shaft (203b) penetrating the surface of the angle adjuster housing (203a), a torsion spring (203c) disposed on the inner wall of the adjustment shaft (203b) on one side, a gear (203d) fixedly sleeved on the surface of the adjustment shaft (203b), an adjustment handle (203e) fixedly sleeved on the surface of the adjustment shaft (203b), an adjustment groove (203f) opened on the surface of the adjustment handle (203e), and a locking block (203g) rotatably disposed on the inner wall of the angle adjuster housing (203a).
5. An adjustable vibrating reclining chair according to claim 4, characterized in that: The adjusting shaft (203b) is rotatably connected to the angle adjuster housing (203a), the two ends of the torsion spring (203c) are fixedly connected to the angle adjuster housing (203a) and the adjusting shaft (203b) respectively, the locking block (203g) is engaged with the gear (203d) and slides with the inner surface of the adjusting groove (203f).
6. An adjustable vibrating reclining chair according to claim 5, characterized in that: The transmission assembly (204) includes a backrest plate (204a) fixedly sleeved on the surfaces of the two adjusting shafts (203b), a transmission rod (204b) fixedly installed on one end of the adjusting shaft (203b), and a transmission sleeve (204c) slidably engaged with one end of the transmission rod (204b). The two transmission sleeves (204c) are respectively fixedly connected to the bearing plate (104).
7. An adjustable vibrating reclining chair according to claim 6, characterized in that: The headrest assembly (205) includes two locking rods (205a) symmetrically arranged on the top of the seat back (102), locking grooves (205b) linearly arranged on the surface of the locking rods (205a), a cushion (205c) arranged on the top of the two locking rods (205a), and a mounting box (205d) arranged on the back of the cushion (205c).
8. An adjustable vibrating reclining chair according to claim 7, characterized in that: The locking assembly (206) includes a guide groove (206a) disposed at the bottom of the inner wall of the mounting box (205d), two sliders (206b) symmetrically disposed at the top of the guide groove (206a), a locking pin (206c) disposed on the outside of the slider (206b), two limiting rods (206d) disposed between the two sliders (206b), a locking spring (206e) sleeved on the surface of the limiting rod (206d), an active rod (206f) rotatably connected at one end to the slider (206b), and a pull ring (206g) rotatably connected to the other end of the two active rods (206f).