Seat armrest capable of being adjusted in multiple directions

Abstract

The utility model relates to the field of seat armrests, and discloses a multi-directional adjustable seat armrest which comprises a support frame, the support frame is arranged below an armrest body, a mounting base is arranged above the support frame, a sliding groove is formed in the top surface of the mounting base, and the sliding groove is arranged in the sliding groove. A plurality of containing grooves are formed in the left side and the right side of the inner wall of the sliding groove, first limiting grooves are formed in the left side and the right side of the inner wall of the sliding groove, the first limiting grooves communicate with the containing grooves, sliding blocks are arranged on the inner walls of the containing grooves in a sliding mode, and mounting grooves are formed in the left side and the right side of each sliding block. According to the handrail, the containing groove is matched with the first limiting column, the sliding block can be limited and fixed, a user can move the handrail body front and back at equal intervals, and therefore the handrail body can move front and back according to the requirements of the user, the arms of the user can be placed on the handrail body all the time, and the practicability is high. Therefore, the practicability of the armrest body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of seat armrests, in particular to a multi-directionally adjustable seat armrest. Background Art

[0002] Chairs are common in our life scenes. With the changes in different scenes, seats have formed various styles. Mobile seats are increasingly appearing in office and learning environments. In order to sit for a long time without getting tired, existing seats are increasingly designed with ergonomics, and the seat height and backrest can be adjusted according to the user's requirements.

[0003] According to the Chinese patent publication number: CN219940133U, a multi-directional adjustable chair armrest and an ergonomic chair, the chair armrest includes a support unit and an armrest unit, wherein the support unit includes a support rod, a plug-in plate arranged at one end of the support rod, and a plug-in box arranged at the other end of the support rod; the armrest unit is connected to the plug-in box, and includes a plug-in block, an armrest block and a connecting component arranged between the plug-in block and the armrest block; the chair also includes a base unit and a chair body unit.

[0004] In the above scheme, the armrest block is fixed by connecting in a spherical sleeve, so that support of any angle can be achieved to adapt to people's use at different angles. However, it still has the following disadvantages: the armrest of this chair cannot be moved forward and backward according to the needs of the user, which easily causes the user's arm to be in a suspended state, thereby reducing the practicality of the armrest and further reducing the use effect of the chair. Utility Model Content

[0005] The utility model aims to provide a multi-directionally adjustable chair armrest to solve the problem that the chair armrest cannot be moved forward and backward according to the needs of the user, which easily causes the user's arm to be in a suspended state, thereby reducing the practicality of the armrest.

[0006] In order to achieve the above-mentioned utility model object, the utility model adopts the following technical scheme: a multi-directional adjustable chair armrest, comprising a support frame, the support frame is arranged below the armrest body, a mounting base is arranged above the support frame, a sliding groove is provided on the top surface of the mounting base, a plurality of receiving grooves are provided on the left and right sides of the inner wall of the sliding groove, a first limiting groove is provided on the left and right sides of the inner wall of the sliding groove, the first limiting groove is connected to the receiving groove, a sliding block is slidably provided on the inner wall of the receiving groove, a mounting groove is provided on the left and right sides of the sliding block, a first limiting column is slidably inserted into the inner wall of the mounting groove, one end of the first limiting column is slidably arranged with the first limiting groove and the receiving groove, a spring is wound around the outer wall of the first limiting column, one end of the spring is fixed to the inner wall of the mounting groove, and the other end of the spring is fixed to the outer wall of the first limiting column, a load-bearing plate is fixed on the top surface of the sliding block, and the load-bearing plate and the bottom surface of the armrest body are rotatably arranged.

[0007] Preferably, a plurality of first fixing grooves are provided on the bottom surface of the sliding block, and rollers are rotatably provided on the inner walls of the first fixing grooves, and the outer walls of the rollers are in contact with the inner bottom surface of the sliding grooves.

[0008] Preferably, a rotating column is rotatably provided on the top surface of the load-bearing plate, the top end of the rotating column is fixed to the bottom surface of the armrest body, two second limiting grooves are provided on the top surface of the load-bearing plate, and two second limiting columns are fixed to the bottom surface of the armrest body, and the second limiting columns and the second limiting grooves are slidably arranged.

[0009] Preferably, a connecting column is slidably inserted into the inner wall of the support frame, the top surface of the connecting column is fixed to the bottom surface of the mounting base, a second fixing groove is opened on the right side of the connecting column, a threaded hole is opened on the right side of the support frame, the threaded hole is threadedly connected with an adjusting bolt, and the connecting column is fixed to the inner wall of the support frame by the adjusting bolt.

[0010] Preferably, the front side and the rear side of the connecting column are both fixed with limiting blocks, the front side and the rear side of the inner wall of the supporting frame are both provided with limiting holes, and the limiting blocks and the limiting holes are slidably arranged.

[0011] Preferably, a placement groove is provided on the top surface of the armrest body, and a sponge pad is fixed to the inner bottom surface of the placement groove.

[0012] Compared with the prior art, a multi-directional adjustable chair armrest adopting the above technical solution has the following beneficial effects:

[0013] 1. The slider can be fixed by the cooperation between the receiving groove and the first limiting column. When the user pushes or pulls the armrest body, the slider will slide on the inner wall of the sliding groove. At this time, the first limiting column will retract under the action of the force, so that the first limiting column will slide through the first limiting groove to another receiving groove, and then complete the equidistant forward and backward movement, so as to meet the user's needs for forward and backward movement, so that the user's arm can always be placed on the armrest body, thereby improving the practicality of the armrest body. The roller can reduce the friction between the bottom surface of the slider and the bottom surface of the sliding groove when the slider slides, so that the slider slides more smoothly, so that the user can adjust the front and rear distance of the armrest body conveniently, thereby achieving the effect of saving time and effort;

[0014] Second, the armrest body can be limited by the cooperation between the second limiting column and the second limiting groove. When the user rotates and adjusts the armrest body, the second limiting column will slide on the inner wall of the second limiting groove, so that the armrest body can rotate along the track of the second limiting groove, thereby preventing the armrest body from being damaged by a large rotation;

[0015] 3. The height of the connecting column and the handrail body can be adjusted by adjusting the bolts, so that users can adjust according to their needs, thereby improving the adaptability of the handrail body. The connecting column can be limited by the limit block to prevent the connecting column from falling off when the user adjusts the height of the handrail body. At the same time, it prevents the connecting column from shaking on the inner wall of the support frame, thereby improving the stability of the handrail body;

[0016] Fourth, the placement groove can facilitate users to place their arms to prevent the arms from slipping on the top surface of the armrest body. At the same time, the sponge pad can support the user's arms to prevent discomfort caused by long-term placement of the arms, thereby improving the practicality of the armrest body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of an embodiment.

[0018] Figure 2 It is an exploded perspective schematic diagram of an embodiment.

[0019] Figure 3 It is an exploded stereoscopic schematic diagram of the load-bearing plate and the rotating column in the embodiment.

[0020] Figure 4 For example Figure 2 Enlarged schematic diagram at point A in the middle.

[0021] In the figure: 1. support frame; 2. armrest body; 3. mounting base; 4. sliding groove; 5. receiving groove; 6. first limiting groove; 7. sliding block; 8. mounting groove; 9. first limiting column; 10. spring; 11. load-bearing plate; 12. first fixing groove; 13. roller; 14. rotating column; 15. second limiting groove; 16. second limiting column; 17. connecting column; 18. second fixing groove; 19. threaded hole; 20. adjusting bolt; 21. limiting block; 22. limiting hole; 23. placement groove; 24. sponge pad. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] like Figure 1-Figure 4 As shown, a multi-directionally adjustable chair armrest comprises a support frame 1, wherein the support frame 1 is arranged below an armrest body 2, a mounting base 3 is arranged above the support frame 1, a sliding groove 4 is provided on the top surface of the mounting base 3, a plurality of receiving grooves 5 are provided on the left and right sides of the inner wall of the sliding groove 4, a first limiting groove 6 is provided on the left and right sides of the inner wall of the sliding groove 4, the first limiting groove 6 is connected to the receiving groove 5, a sliding block 7 is slidably provided on the inner wall of the receiving groove 5, a mounting groove 8 is provided on the left and right sides of the sliding block 7, and a first limiting column is slidably inserted into the inner wall of the mounting groove 8 9, one end of the first limiting column 9 is slidably arranged with the first limiting groove 6 and the accommodating groove 5, the outer wall of the first limiting column 9 is wound with a spring 10, one end of the spring 10 is fixed to the inner wall of the mounting groove 8, and the other end of the spring 10 is fixed to the outer wall of the first limiting column 9, a load-bearing plate 11 is fixed to the top surface of the sliding block 7, the load-bearing plate 11 and the bottom surface of the armrest body 2 are rotatably arranged, a plurality of first fixed grooves 12 are opened on the bottom surface of the sliding block 7, and a roller 13 is rotatably arranged on the inner wall of the first fixed groove 12, and the outer wall of the roller 13 contacts with the inner bottom surface of the sliding groove 4.

[0024] In use, the slider 7 can be limited and fixed by the cooperation between the receiving groove 5 and the first limiting column 9. When the user pushes or pulls the armrest body 2, the slider 7 will slide on the inner wall of the sliding groove 4. At this time, the first limiting column 9 will retract under the action of the force, so that the first limiting column 9 will slide through the first limiting groove 6 to another receiving groove 5, and then complete the equidistant forward and backward movement, so as to meet the needs of the user to move forward and backward, so that the user's arm can always be placed on the armrest body 2, thereby improving the practicality of the armrest body 2. The roller 13 can reduce the friction between the bottom surface of the slider 7 and the bottom surface of the inner part of the sliding groove 4 when the slider 7 slides, so that the slider 7 slides more smoothly, so that it is convenient for the user to adjust the front and rear distance of the armrest body 2, thereby achieving the effect of saving time and effort.

[0025] like Figure 1-Figure 4As shown, a rotating column 14 is rotatably provided on the top surface of the load-bearing plate 11, and the top end of the rotating column 14 is fixed to the bottom surface of the armrest body 2. Two second limiting grooves 15 are provided on the top surface of the load-bearing plate 11, and two second limiting columns 16 are fixed to the bottom surface of the armrest body 2. The second limiting columns 16 and the second limiting grooves 15 are slidably arranged.

[0026] During use, the armrest body 2 can be limited by the cooperation of the second limiting column 16 and the second limiting groove 15. When the user rotates and adjusts the armrest body 2, the second limiting column 16 will slide on the inner wall of the second limiting groove 15, so that the armrest body 2 can rotate along the trajectory of the second limiting groove 15, thereby preventing damage to the armrest body 2 due to a large rotation.

[0027] like Figure 1 , Figure 2 and Figure 4 As shown, a connecting column 17 is slidably inserted into the inner wall of the support frame 1, and the top surface of the connecting column 17 is fixed to the bottom surface of the mounting base 3. A second fixing groove 18 is provided on the right side of the connecting column 17, and a threaded hole 19 is provided on the right side of the support frame 1. An adjusting bolt 20 is threadedly connected to the threaded hole 19, and the connecting column 17 is fixed to the inner wall of the support frame 1 through the adjusting bolt 20. Limiting blocks 21 are fixed on the front and rear sides of the connecting column 17, and limiting holes 22 are provided on the front and rear sides of the inner wall of the support frame 1, and the limiting blocks 21 and the limiting holes 22 are slidably arranged.

[0028] In use, the height of the connecting column 17 and the armrest body 2 can be adjusted by adjusting the bolt 20, so that the user can adjust according to the needs, thereby improving the adaptability of the armrest body 2. The connecting column 17 can be limited by the limit block 21 to prevent the connecting column 17 from falling off when the user adjusts the height of the armrest body 2. At the same time, the connecting column 17 is prevented from shaking on the inner wall of the support frame 1, thereby improving the stability of the armrest body 2.

[0029] like Figure 1 , Figure 2 and Figure 4 As shown, a placement groove 23 is provided on the top surface of the armrest body 2 , and a sponge pad 24 is fixed to the inner bottom surface of the placement groove 23 .

[0030] During use, the placement groove 23 can facilitate the user to place the arm to prevent the arm from sliding on the top surface of the armrest body 2. At the same time, the sponge pad 24 can support the user's arm to prevent discomfort caused by long-term placement of the arm, thereby improving the practicality of the armrest body 2.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-directionally adjustable chair armrest, comprising a support frame (1), wherein the support frame (1) is arranged below an armrest body (2), and is characterized in that: A mounting base (3) is arranged above the support frame (1), a sliding groove (4) is provided on the top surface of the mounting base (3), a plurality of receiving grooves (5) are provided on the left and right sides of the inner wall of the sliding groove (4), a first limiting groove (6) is provided on the left and right sides of the inner wall of the sliding groove (4), the first limiting groove (6) is connected to the receiving groove (5), a sliding block (7) is slidably arranged on the inner wall of the receiving groove (5), a mounting groove (8) is provided on the left and right sides of the sliding block (7), and the mounting groove (8) is provided on the left and right sides of the sliding block (7). A first limiting column (9) is slidably inserted into the inner wall, one end of the first limiting column (9) is slidably arranged with the first limiting groove (6) and the accommodating groove (5), a spring (10) is wound around the outer wall of the first limiting column (9), one end of the spring (10) is fixed to the inner wall of the mounting groove (8), and the other end of the spring (10) is fixed to the outer wall of the first limiting column (9), a load-bearing plate (11) is fixed to the top surface of the slider (7), and the load-bearing plate (11) and the bottom surface of the armrest body (2) are rotatably arranged.

2. The multi-directionally adjustable chair armrest according to claim 1, characterized in that: The bottom surface of the sliding block (7) is provided with a plurality of first fixing grooves (12), the inner wall of the first fixing groove (12) is rotatably provided with a roller (13), and the outer wall of the roller (13) is in contact with the inner bottom surface of the sliding groove (4).

3. The multi-directionally adjustable chair armrest according to claim 1, characterized in that: The top surface of the load-bearing plate (11) is rotatably provided with a rotating column (14), the top end of the rotating column (14) is fixed to the bottom surface of the armrest body (2), the top surface of the load-bearing plate (11) is provided with two second limiting grooves (15), the bottom surface of the armrest body (2) is fixed with two second limiting columns (16), and the second limiting columns (16) and the second limiting grooves (15) are slidably arranged.

4. The multi-directionally adjustable chair armrest according to claim 1, characterized in that: A connecting column (17) is slidably inserted into the inner wall of the support frame (1), the top surface of the connecting column (17) is fixed to the bottom surface of the mounting base (3), a second fixing groove (18) is provided on the right side of the connecting column (17), a threaded hole (19) is provided on the right side of the support frame (1), an adjusting bolt (20) is threadedly connected to the threaded hole (19), and the connecting column (17) is fixed to the inner wall of the support frame (1) by the adjusting bolt (20).

5. The multi-directionally adjustable chair armrest according to claim 4, characterized in that: The front and rear sides of the connecting column (17) are both fixed with limiting blocks (21), the front and rear sides of the inner wall of the support frame (1) are both provided with limiting holes (22), and the limiting blocks (21) and the limiting holes (22) are slidably arranged.

6. The multi-directionally adjustable chair armrest according to claim 1, characterized in that: A placement groove (23) is provided on the top surface of the armrest body (2), and a sponge pad (24) is fixed to the inner bottom surface of the placement groove (23).

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