Bidirectional adjusting assembly for sofa headrest
By designing the sofa headrest bidirectional adjustment component, the lifting and rotary adjustment components are used, combined with the structure of the wedge block and spring, the bidirectional adjustment of the headrest is achieved, solving the problem of inflexible adjustment in the prior art, meeting the needs of different users and improving comfort and service life.
Patent Information
- Application Number
- CN202421864383.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-02
AI Technical Summary
The existing adjustable sofa headrests are mainly one-way adjustments, which cannot meet the sitting posture and support needs of different users. They are limited by the size and shape of the room, so the adjustment angle is not flexible enough.
A sofa headrest bidirectional adjustment assembly is designed, including a lifting adjustment component and a rotation adjustment component. Through the coordination of the wedge block and the spring, the upper and lower and left and right adjustment of the headrest is realized, and the position of the fixed block is quickly adjusted through the action of the pull rod and the second spring to complete the adjustment.
The component is simple to operate and has fast adjustment speed, meeting the needs of different users, can better fit the user's body curve, provide comfortable support, and extend its service life.
Smart Images

Figure CN223008764U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of smart home, and particularly relates to a two-way adjustment component for a sofa headrest. Background Technique
[0002] A sofa is a multifunctional piece of furniture with a long history and wide application. It is a multi-seat chair with cushions, a backrest chair equipped with springs or thick foam plastics, and armrests on both sides. It is a type of soft furniture that provides people with a comfortable environment, enabling them to relax physically and mentally. It usually has soft seat cushions and backrests that can support and soothe the body.
[0003] Nowadays, sofas are no longer just for providing a resting environment. They are used for reading, watching TV, working, gathering, etc. In these different usage scenarios, the sitting postures and supports required by users are different, and each user's height, body shape, and sitting posture habits are not the same. In order to better conform to the user's body curve and provide more comfortable support, an adjustable sofa headrest is needed. However, the vast majority of existing adjustable sofa headrests are single-directional adjustments, which can only be adjusted upward or to both sides, and the comfort level is not very high. At the same time, the adjustable sofa headrest is restricted by the size and shape of the room, and the adjustment angle is also limited. Therefore, we propose a new type of two-way adjustment component for a sofa headrest to solve the above problems. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a two-way adjustment component for a sofa headrest, which solves the problems raised in the background technique.
[0005] To achieve the above objectives, the utility model is realized through the following technical solutions: A two-way adjustment component for a sofa headrest includes a lifting adjustment component and a rotation adjustment component. A support plate is fixedly installed at the top of the lifting adjustment component. A plurality of first wedge-shaped blocks are fixedly installed inside the lifting adjustment component. A second wedge-shaped block is arranged below the first wedge-shaped block. A first spring is arranged on one side of the second wedge-shaped block, and the first spring is used to pull the second wedge-shaped block inward.
[0006] One side of the support plate is hinged with a panel. A support bar is slidably arranged inside the support plate, and the support bar is used to adjust the folding angle of the panel.
[0007] A fixed block is arranged inside the support plate. A clamping block is movably inserted on the outer surface of the fixed block, and the clamping block is used to fix the position of the panel.
[0008] Preferably, a support leg is fixedly installed at the bottom of the support plate. A baffle is fixedly installed inside the bottom end of the support leg, and the baffle is used to limit the movement of the first spring.
[0009] Preferably, a pulling rope is fixedly installed on one side of the second wedge block, and the pulling rope penetrates through the first spring and the baffle.
[0010] Preferably, a plurality of pulleys are arranged inside the support leg, a pulling rope is wound inside the pulley, and one end of the pulling rope is fixedly connected with a handle.
[0011] Preferably, a guide shaft is fixedly installed inside the support plate, a sliding block is slidably connected to the outer surface of the guide shaft, fixing plates are fixedly installed on both sides of the top of the sliding block, and the fixed block is fixedly installed on one side of the sliding block.
[0012] Preferably, a fixed block is fixedly installed on the back of the panel, one end of the support bar is rotatably connected inside the fixed block, and the other end of the support bar is rotatably connected inside the fixing plate.
[0013] Preferably, a pull rod is fixedly installed on one side of the clamping block, a second spring is wound around the outer surface of the pull rod, and the pull rod is used to adjust the position of the clamping block.
[0014] Preferably, a sofa is arranged outside the lifting adjustment component and the rotation adjustment component, and headrests are arranged on both sides of the sofa.
[0015] The utility model discloses a two-way adjustment component for a sofa headrest, and the beneficial effects thereof are as follows:
[0016] The component is simple to operate and ingeniously designed. The up and down adjustment of the headrest is completed through the clamping of two wedge blocks. Under the action of the pull rod and the second spring, the fixed block can be quickly inserted into the clamping block, so that the speed of adjusting the angle of the headrest becomes fast. At the same time, there is no slot on the side of the sofa, so that dust cannot enter the inside of the sofa, improving the service life of the component. The two-way adjustment of the headrest meets the requirements of different users. The sofa headrest that can be adjusted two-way better fits the body curve of the user, provides comfortable support for it, and meets the needs of the user. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0019] Figure 2 It is a cross-sectional view of the lifting adjustment component of the present invention;
[0020] Figure 3Cross-sectional view of the rotary adjustment component of the present utility model;
[0021] Figure 4 External schematic diagram of the structure of the present utility model.
[0022] In the figure: 1, support plate; 2, lifting adjustment component; 201, support leg; 202, first wedge block; 203, pull rope; 204, first spring; 205, baffle; 206, pulley; 207, handle; 208, second wedge block; 3, rotary adjustment component; 301, guide shaft; 302, sliding block; 303, fixing plate; 304, support bar; 305, fixing block; 306, fixed block; 307, clamping block; 308, pull rod; 309, second spring; 4, panel; 5, sofa; 6, headrest. Detailed implementation manners
[0023] To make the objectives, 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. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0024] The embodiment of the present application provides a two-way adjustment assembly for a sofa headrest, which solves the problems raised in the background art.
[0025] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementation manners.
[0026] The embodiment of the present utility model discloses a two-way adjustment assembly for a sofa headrest.
[0027] According to the attached Figures 1-4 As shown, it includes a lifting adjustment component 2 and a rotary adjustment component 3. A support plate 1 is fixedly installed at the top of the lifting adjustment component 2. Multiple groups of first wedge blocks 202 are fixedly installed inside the lifting adjustment component 2. A second wedge block 208 is arranged below the first wedge block 202. A first spring 204 is arranged on one side of the second wedge block 208, and the first spring 204 is used to pull the second wedge block 208 inward;
[0028] One side of the support plate 1 is hinged with a panel 4. A support bar 304 is slidably arranged inside the support plate 1, and the support bar 304 is used to adjust the folding angle of the panel 4;
[0029] Inside the support plate 1, a fixed block 306 is provided. A clamping block 307 is movably inserted into the outer surface of the fixed block 306. The clamping block 307 is used to fix the position of the panel 4. When using this component, the user grabs the headrest 6 and pulls it upward. The second wedge block 208 slides inward. When reaching the specified position, the user releases the hand to complete the adjustment. When it is necessary to move downward, the user grabs the handle 207 on one side of the sofa 5 with one hand and pulls. The handle 207 drives the pull rope 203. The pull rope 203 converts the force into a pulling force on the second wedge block 208 along the pulley 206. The baffle 205 blocks the position of the first spring 204 to prevent the first spring 204 from shifting. The user presses the headrest 6 downward with the other hand. When reaching the appropriate position, the user releases the hand to complete the height adjustment. When it is necessary to adjust the angle of the headrest 6, the user pulls the pull rod 308 with one hand and rotates the headrest 6 to the appropriate angle with the other hand, and then releases the pull rod 308 to make the fixed block 306 snap into the clamping block 307 to complete the fixation.
[0030] At the bottom of the support plate 1, a support leg 201 is fixedly installed. Inside the bottom end of the support leg 201, a baffle 205 is fixedly installed. The baffle 205 is used to limit the movement of the first spring 204.
[0031] On one side of the second wedge block 208, a pull rope 203 is fixedly installed. The pull rope 203 passes through the first spring 204 and the baffle 205.
[0032] Inside the support leg 201, multiple groups of pulleys 206 are provided. The pull rope 203 is wound inside the pulley 206. One end of the pull rope 203 is fixedly connected to a handle 207.
[0033] Inside the support plate 1, a guide shaft 301 is fixedly installed. A sliding block 302 is slidably connected to the outer surface of the guide shaft 301. On both sides of the top of the sliding block 302, fixing plates 303 are fixedly installed. When adjusting the angle, the sliding block 302 slides on the outer surface of the guide shaft 301, and the guide shaft 301 provides guidance for the sliding of the sliding block 302.
[0034] On the back of the panel 4, a fixed block 305 is fixedly installed. One end of a support bar 304 is rotatably connected inside the fixed block 305, and the other end of the support bar 304 is rotatably connected inside the fixing plate 303.
[0035] On one side of the clamping block 307, a pull rod 308 is fixedly installed. A second spring 309 is wound around the outer surface of the pull rod 308. The pull rod 308 is used to adjust the position of the clamping block 307.
[0036] Outside the lifting adjustment component 2 and the rotation adjustment component 3, a sofa 5 is provided. Headrests 6 are provided on both sides of the sofa 5.
[0037] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A sofa headrest bidirectional adjustment assembly, comprising a lifting adjustment component (2) and a rotating adjustment component (3), characterized in that: A support plate (1) is fixedly mounted on the top of the lifting and adjusting component (2), and a plurality of groups of first wedge blocks (202) are fixedly mounted inside the lifting and adjusting component (2), a second wedge block (208) is arranged below the first wedge block (202), and a first spring (204) is arranged on one side of the second wedge block (208), and the first spring (204) is used to pull the second wedge block (208) inward; A panel (4) is hingedly connected to one side of the support plate (1), and a support bar (304) is slidably arranged inside the support plate (1), and the support bar (304) is used to adjust the folding angle of the panel (4); A fixed block (306) is provided inside the support plate (1), and a clamping block (307) is movably inserted on the outer surface of the fixed block (306), and the clamping block (307) is used to fix the position of the panel (4).
2. A sofa headrest bidirectional adjustment assembly according to claim 1, characterized in that: A support leg (201) is fixedly mounted on the bottom of the support plate (1), and a baffle (205) is fixedly mounted inside the bottom end of the support leg (201), wherein the baffle (205) is used to limit the movement of the first spring (204).
3. The sofa headrest bidirectional adjustment assembly according to claim 1, characterized in that: A pull rope (203) is fixedly mounted on one side of the second wedge-shaped block (208), and the pull rope (203) passes through the first spring (204) and the baffle (205).
4. The sofa headrest bidirectional adjustment assembly according to claim 2, characterized in that: A plurality of pulleys (206) are disposed inside the support leg (201), a pull rope (203) is wound inside the pulley (206), and one end of the pull rope (203) is fixedly connected to a handle (207).
5. The sofa headrest bidirectional adjustment assembly according to claim 1, characterized in that: A guide shaft (301) is fixedly mounted inside the support plate (1), a sliding block (302) is slidably connected to the outer surface of the guide shaft (301), fixed plates (303) are fixedly mounted on both sides of the top of the sliding block (302), and the fixed block (306) is fixedly mounted on one side of the sliding block (302).
6. The sofa headrest bidirectional adjustment assembly according to claim 1, characterized in that: A fixing block (305) is fixedly mounted on the back of the panel (4); one end of the support bar (304) is rotatably connected to the inside of the fixing block (305); and the other end of the support bar (304) is rotatably connected to the inside of the fixing plate (303).
7. The sofa headrest bidirectional adjustment assembly according to claim 1, characterized in that: A pull rod (308) is fixedly mounted on one side of the clamping block (307), a second spring (309) is wound around the outer surface of the pull rod (308), and the pull rod (308) is used to adjust the position of the clamping block (307).
8. The sofa headrest bidirectional adjustment assembly according to claim 1, characterized in that: A sofa (5) is arranged outside the lifting and lowering adjustment component (2) and the rotating adjustment component (3), and headrests (6) are arranged on both sides of the sofa (5).