Multi-functional adjustable handrail

Abstract

The utility model discloses a multifunctional adjustable handrail, including handrail body, support arm and swing arm, handrail body includes handrail panel and handrail bottom plate, handrail panel is fixed on handrail bottom plate, the inside sliding joint of handrail bottom plate has the connecting seat, the rotary connection of connecting seat has the connecting disc no.

Description

Technical Field

[0001] This utility model belongs to the field of handrail technology and relates to a multifunctional adjustable handrail. Background Technology

[0002] Chairs, as a common type of furniture, are widely used in homes, offices, and public places. Their structure typically includes a seat, backrest, legs, and armrests. Among these, the armrests are important functional components, providing support for the user's arms, increasing sitting comfort, and also helping with balance when getting up or sitting down.

[0003] Existing handrail designs are relatively simple, typically using a fixed, integral form that cannot be rotated or adjusted in height to suit user needs. This limits their adaptability and comfort. Therefore, designing a multifunctional adjustable handrail to address these issues is particularly necessary. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a multifunctional adjustable handrail.

[0005] To achieve the above objectives, the technical solution of this utility model is: a multifunctional adjustable handrail, comprising a handrail body, a support arm, and a swing arm. The handrail body includes a handrail panel and a handrail base plate. The handrail panel is fixed to the handrail base plate. A connecting seat is slidably connected inside the handrail base plate. A connecting plate is rotatably connected to the connecting seat. The connecting plate is also fixedly connected to the upper end of the support arm. The lower end of the support arm is rotatably connected to the upper end of the swing arm via a connecting plate. The connecting plate is also fixedly connected to the upper end of the swing arm. The lower end of the swing arm is rotatably connected to a main fixing frame. The handrail base plate has straight-line locking teeth on both sides inside, and the connecting plate has annular locking teeth. The first mounting groove of the connecting seat is equipped with a spring and a locking head. Under the action of the spring, the locking head can be locked into any one of the locking teeth of the straight-line locking teeth. The second mounting groove of the connecting seat is equipped with a spring and a locking head. Under the action of the spring, the locking head can be locked into any one of the locking teeth of the annular locking teeth. The lower surface of the second connecting plate has several positioning holes. Two spring plungers are fixed in the mounting hole at the lower end of the support arm, and the plunger head of the spring plunger can be inserted into any one of the positioning holes.

[0006] The swing arm includes an upper arm section and a lower arm section. The upper arm section is slidably connected to the lower arm section. The lower arm section has several adjustment holes. The adjustment holes are interconnected and the width of the connection is smaller than the diameter of the adjustment hole. The upper arm section is equipped with a locking component. The locking component includes a positioning large shaft and a clearance small shaft that can switch positions with each other.

[0007] The bottom of the handrail base plate has several raised ribs.

[0008] Several metal elastic elements are also fixed on the lower arm section.

[0009] By adopting the above technical solution, the beneficial effects of this utility model are: This utility model achieves flexible adjustment of the armrest at multiple angles and heights through a multi-segment rotating and sliding connection structure of the armrest body, support arm, and swing arm. It effectively overcomes the shortcomings of traditional fixed armrests, such as poor adaptability and insufficient comfort. It can be widely adapted to users of different body types and different sitting habits, greatly improving the overall user experience and applicability of the chair. Attached Figure Description

[0010] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is an exploded view of the present invention; Figure 3 This is an exploded diagram of a portion of the present invention after it has been disassembled. Figure 1 ; Figure 4 This is an exploded diagram of a portion of the present invention after it has been disassembled. Figure 2 ; Figure 5 This is a magnified view of a portion of point A; In the diagram, 10 is the handrail body; 101 is the handrail panel; 102 is the handrail base plate; 102a is the straight-line locking tooth part; 102b is the protruding rib; 103 is the connecting plate one; 103a is the ring-shaped locking tooth part; 104 is the connecting seat; 105 is the spring one; 106 is the locking head one; 107 is the locking head two; 108 is the spring two; 201 is the support arm; 202 is the connecting plate two; 202a is the positioning hole; 203 is the spring plunger; 30 is the swing arm; 301 is the upper arm section; 302 is the lower arm section; 302a is the adjustment hole; 303 is the locking element; 303a is the positioning large shaft; 303b is the clearance small shaft; 304 is the metal elastic element; and 40 is the main fixing frame. Detailed Implementation

[0011] To further explain the technical solution of this utility model, the following detailed description is provided through specific embodiments.

[0012] Referring to the attached figures, this multifunctional adjustable handrail includes a handrail body 10, a support arm 201, and a swing arm 30. The handrail body 10 includes a handrail panel 101 and a handrail base plate 102. The handrail panel 101 is fixed to the handrail base plate 102. A connecting seat 104 is slidably connected inside the handrail base plate 102. A connecting plate 103 is rotatably connected to the connecting seat 104. The connecting plate 103 is also fixedly connected to the upper end of the support arm 201. Through the cooperation between the connecting seat 104 and the connecting plate 103, the handrail body 10 can slide linearly relative to the connecting seat 104 to adapt to different... The user's arm position requirements; the lower end of the support arm 201 is rotatably connected to the upper end of the swing arm 30 via the connecting plate 202, and the connecting plate 202 is also fixedly connected to the upper end of the swing arm 30. The lower end of the swing arm 30 is rotatably connected to the main fixing frame 40. In this example, the rotatable connection between the lower end of the swing arm 30 and the main fixing frame 40 adopts existing technology. Therefore, when the handrail is needed, the handrail body 10, the support arm 201 and the swing arm 30 can be opened downwards, at which time the handrail body 10 is horizontal; when the handrail is not needed, the handrail body 10, the support arm 201 and the swing arm 30 can be retracted upwards.

[0013] The handrail base plate 102 has straight-line retaining teeth 102a on both sides inside, and the connecting plate 103 has annular retaining teeth 103a. The first mounting groove of the connecting seat 104 contains a spring 105 and a retaining head 106. Under the action of the spring 105, the retaining head 106 can engage with any one of the retaining teeth of the straight-line retaining teeth 102a. The second mounting groove of the connecting seat 104 contains a spring 2 108 and a retaining head 2 107. Under the action of spring 08, the second locking head 107 can be engaged into any one of the locking teeth of the annular locking tooth part 103a; under the action of spring 2 108 and the second locking head 107 and the annular locking tooth part 103a of the connecting plate 103, the armrest body 10 can be rotated and adjusted around the connecting plate 103, and can be stably positioned at any rotation angle by the engagement of the second locking head 107 and the annular locking tooth, so as to meet the user's personalized requirements for the lateral placement angle of the armrest body 10; Several positioning holes 202a are provided on the lower plate surface of the connecting plate 202. Two spring plungers 203 are fixed in the mounting hole at the lower end of the support arm 201, and the plunger head of the spring plunger 203 can be inserted into any one of the positioning holes 202a. The lower end of the support arm 201 is rotatably connected to the upper end of the swing arm 30 through the connecting plate 202. By using the plunger head of the spring plunger 203 to be inserted into different positioning holes 202a on the lower plate surface of the connecting plate 202, the relative angle between the support arm 201 and the swing arm 30 can be easily adjusted, thereby changing the relative angle between the handrail body 10 and the swing arm 30.

[0014] The swing arm 30 includes an upper arm section 301 and a lower arm section 302. The upper arm section 301 is slidably connected to the lower arm section 302. The lower arm section 302 has several adjustment holes 302a. The adjustment holes 302a are interconnected, and the width of the connection is smaller than the diameter of the adjustment hole 302a. The upper arm section 301 is equipped with a locking element 303. The locking element 303 includes a positioning large shaft 303a and a clearance small shaft 303b that can be switched between each other. The locking element 303 adopts an existing product on the market. The positioning large shaft 303a and the clearance small shaft 303b of the locking element 303 can be switched between each other as needed. When the length of the swing arm 30 needs to be adjusted, the clearance small shaft 303b is in the working position and can move in each connection hole. Pulling the upper arm section 301 to move it and adjusting its position makes the positioning large shaft 303a engage in the corresponding connection hole.

[0015] The upper arm section 301 and lower arm section 302 of the swing arm 30 adopt a sliding connection design, and with the switching of the positioning large shaft 303a and the avoidance small shaft 303b of the locking component 303 with the adjustment hole 302a of the lower arm section 302, the height of the entire handrail body 10 can be effectively adjusted.

[0016] The bottom of the handrail base plate 102 has several protruding ribs 102b. The protruding ribs 102b on the bottom of the handrail base plate 102 enhance the structural strength of the handrail base plate 102 and also play a certain guiding role when the connecting seat 104 slides, preventing the connecting seat 104 from getting stuck during the sliding process.

[0017] Several metal elastic elements 304 are also fixed on the lower arm section 302. The metal elastic elements 304 are existing products on the market and can provide additional damping and buffering, making the adjustment process smoother and reducing shaking after the adjustment is in place. This is an existing technology.

[0018] This utility model achieves flexible adjustment of the armrest at multiple angles and heights through a multi-segment rotating and sliding connection structure of the armrest body 10, support arm 201 and swing arm 30. It effectively overcomes the shortcomings of traditional fixed armrests in terms of poor adaptability and insufficient comfort, and can be widely adapted to users of different body types and different sitting habits, greatly improving the overall user experience and applicability of the chair.

[0019] In summary, the armrest height is adjusted by the cooperation of the upper arm section 301, lower arm section 302, and locking element 303, allowing the armrest body 10 to move up and down as a whole. The armrest can be adjusted forward and backward along the chair. The armrest angle can be adjusted by rotating the armrest body 10 360 degrees around the support arm 201, which in turn can rotate 360 ​​degrees around the swing arm 30.

[0020] All of the above components are general standard parts or components known to those skilled in the art. Their structure and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0021] The above embodiments and figures are not intended to limit the product form and style of this utility model. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of this utility model.

Claims

1. A multifunctional adjustable handrail, comprising a handrail body (10), a support arm (201), and a swing arm (30), characterized in that, The handrail body (10) includes a handrail panel (101) and a handrail base plate (102). The handrail panel (101) is fixed on the handrail base plate (102). A connecting seat (104) is slidably connected inside the handrail base plate (102). A connecting plate one (103) is rotatably connected on the connecting seat (104). The connecting plate one (103) is also fixedly connected to the upper end of the support arm (201). The lower end of the support arm (201) is rotatably connected to the upper end of the swing arm (30) through a connecting plate two (202). The connecting plate two (202) is also fixedly connected to the upper end of the swing arm (30). The lower end of the swing arm (30) is rotatably connected to the main fixing frame (40). The handrail base plate (102) has straight-line toothed parts (102a) on both sides inside, and the connecting plate (103) has annular toothed parts (103a). The first mounting groove of the connecting seat (104) is equipped with a spring (105) and a locking head (106). Under the action of the spring (105), the locking head (106) can be locked into any one of the teeth of the straight-line toothed part (102a). The second mounting groove of the connecting seat (104) is equipped with a spring (108) and a locking head (107). Under the action of the spring (108), the locking head (107) can be locked into any one of the teeth of the annular toothed part (103a). The lower plate of the connecting plate 2 (202) has several positioning holes (202a). Two spring plungers (203) are fixed in the mounting hole at the lower end of the support arm (201), and the plunger head of the spring plunger (203) can be inserted into any one of the positioning holes (202a).

2. The multifunctional adjustable armrest according to claim 1, characterized in that, The swing arm (30) includes an upper arm section (301) and a lower arm section (302). The upper arm section (301) is slidably connected to the lower arm section (302). The lower arm section (302) has a plurality of adjustment holes (302a). The adjustment holes (302a) are interconnected and the width of the connection is smaller than the diameter of the adjustment hole (302a). The upper arm section (301) is equipped with a locking member (303). The locking member (303) includes a positioning large shaft (303a) and a clearance small shaft (303b) that can switch positions with each other.

3. The multifunctional adjustable armrest according to claim 1, characterized in that, The bottom of the handrail base plate (102) has several protruding ribs (102b).

4. A multifunctional adjustable armrest according to claim 2, characterized in that, Several metal elastic elements (304) are also fixed on the lower arm section (302).

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