Multi-joint rotating armrest

Abstract

The utility model provides a multi-joint rotating handrail which comprises a supporting frame, a sliding groove formed in the supporting frame, a sliding block connected to the interior of the sliding groove in a sliding mode, a handrail body connected to the surface of the sliding block in a rotating mode, a moving groove formed in the sliding block, a moving handle connected to the interior of the moving groove in a sliding mode, and a telescopic groove formed in the moving handle. The telescopic groove is slidably connected with a telescopic rod. According to the multi-joint rotating handrail, after the movable handle is pressed to drive the fixing pin to be separated from the fixing groove and enter the movable groove, the handrail is moved upwards or downwards to drive the sliding block to move to a proper position in the sliding groove, and then the movable handle is pushed to reset through the reset spring; and after the fixing pin enters the fixing groove, the sliding block is limited, so that the armrest can be adjusted to a proper height without changing the angle of the armrest.

Description

Technical Field

[0001] The utility model relates to the field of handrails, in particular to a multi-joint rotating handrail. Background Art

[0002] An office chair refers to a variety of chairs that are used for the convenience of work in daily work and social activities. Office partners divide office chairs into narrow and broad categories. An office chair in a narrow sense refers to a chair with a backrest that a person sits on when doing desk work in a sitting position. An office chair in a broad sense refers to all chairs used in offices, including executive chairs, mid-shift chairs, meeting chairs, staff chairs, conference chairs, visitor chairs, training chairs, etc. The armrest is part of the office chair.

[0003] The patent application with publication number CN216797074U proposed in the current technology arranges the upper plane of the upper armrest obliquely inward, so that the user's forearm can completely lean on the upper armrest when in use, which plays a supporting role and is more ergonomically designed. The limited-stroke hinges at both ends of the middle component allow the corresponding armrest to rotate on two vertical planes. The design is ingenious, the structure is stable, and more functional options are provided. After rotating and adjusting the storage, the space occupied is smaller, which is convenient for storage and transportation.

[0004] The upper armrest is rotated upward to drive the middle part to rotate to the side to a suitable position, so that the height of the upper armrest can be changed, but it also causes the angle of the upper armrest to change and tilt upward, which causes discomfort when supporting the user's arm.

[0005] Therefore, it is necessary to provide a multi-joint rotating armrest to solve the above-mentioned technical problems. Utility Model Content

[0006] The utility model provides a multi-joint rotating armrest, which solves the problem that when the height of the armrest is changed by rotating the upper armrest to one side, the angle of the upper armrest is changed, causing discomfort to the arm support.

[0007] In order to solve the above technical problems, the utility model provides a multi-joint rotating armrest, comprising:

[0008] Support frame;

[0009] A sliding groove, the sliding groove is arranged inside the supporting frame, a sliding block is slidably connected inside the sliding groove, and a handrail is rotatably connected to the surface of the sliding block;

[0010] A moving groove, the moving groove is arranged inside the sliding block, a moving handle is slidably connected inside the moving groove, a telescopic groove is provided inside the moving handle, a telescopic rod is slidably connected inside the telescopic groove, and a return spring is sleeved on the surface of the telescopic rod;

[0011] A fixing groove is arranged inside the support frame, a fixing pin is slidably connected inside the fixing groove, and a movable groove is opened inside the support frame.

[0012] Preferably, the fixing groove is opened inside the supporting frame, and the movable groove is opened at one end of the fixing groove and is in communication with each other.

[0013] Preferably, a storage box is fixedly connected to one side of the support frame, and a baffle is fixedly connected to the interior of the storage box.

[0014] Preferably, a positioning groove is provided inside the storage box, and a sealing plate is slidably connected inside the positioning groove.

[0015] Preferably, a concave handle is provided inside the sealing plate.

[0016] Preferably, a mounting groove is provided inside the sealing plate, and a magnet is fixedly connected inside the mounting groove.

[0017] Preferably, the number of the mounting grooves and the magnets is two, the two mounting grooves are respectively opened inside the storage box and the sealing plate, and the two magnets are respectively fixedly connected inside the two mounting grooves.

[0018] Compared with the related art, the multi-joint rotating armrest provided by the utility model has the following beneficial effects:

[0019] The utility model provides a multi-joint rotating armrest, which drives a fixing pin to separate from a fixing groove and enter into a movable groove by pressing a movable handle, and then moves the armrest upward or downward to drive a sliding block to move to a suitable position in the sliding groove, and then pushes the movable handle to reset by a reset spring, so that the fixing pin enters into the fixing groove and limits the sliding block, so that the armrest can be adjusted to a suitable height without changing the angle of the armrest. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a first embodiment of a multi-joint rotating armrest provided by the utility model;

[0021] Figure 2 for Figure 1 The structural schematic diagram of the sliding groove shown;

[0022] Figure 3 for Figure 2 The structural schematic diagram of the fixing groove shown;

[0023] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown;

[0024] Figure 5 A schematic structural diagram of a second embodiment of the multi-joint rotating armrest provided by the utility model;

[0025] Figure 6 for Figure 5 The structural schematic diagram of the positioning groove shown;

[0026] Figure 7 for Figure 5 An enlarged schematic diagram of part B is shown.

[0027] Numbers in the figure: 1, support frame, 2, sliding groove, 21, sliding block, 22, armrest, 3, movable groove, 31, movable handle, 32, telescopic groove, 33, telescopic rod, 34, return spring, 5, fixed groove, 51, fixed pin, 52, movable groove, 6, storage box, 7, baffle, 8, positioning groove, 9, sealing plate, 10, installation groove, 11, magnet. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0029] First embodiment

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a first embodiment of a multi-joint rotating armrest provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the sliding groove shown; Figure 3 for Figure 2 The structural schematic diagram of the fixing groove shown; Figure 4 for Figure 2 The enlarged schematic diagram of part A is shown. The multi-joint rotating armrest includes:

[0031] Support frame 1;

[0032] A sliding groove 2, wherein the sliding groove 2 is arranged inside the supporting frame 1, a sliding block 21 is slidably connected inside the sliding groove 2, and a handrail 22 is rotatably connected to the surface of the sliding block 21;

[0033] A moving groove 3, wherein the moving groove 3 is arranged inside the sliding block 21, a moving handle 31 is slidably connected inside the moving groove 3, a telescopic groove 32 is provided inside the moving handle 31, a telescopic rod 33 is slidably connected inside the telescopic groove 32, and a return spring 34 is sleeved on the surface of the telescopic rod 33;

[0034] The fixing groove 5 is arranged inside the support frame 1 , a fixing pin 51 is slidably connected inside the fixing groove 5 , and a movable groove 52 is opened inside the support frame 1 .

[0035] A sliding groove 2 is provided inside the support frame 1 , and a sliding block 21 is slidably connected inside the sliding groove 2 so that the handrail 22 can be adjusted to different heights.

[0036] The movable groove 3 is opened inside the sliding block 21, and one end of the telescopic rod 33 is fixedly connected to one side of the inner wall of the movable groove 3, so as to drive the fixing pin 51 to move to one side when the movable handle 31 is pressed. The reset spring 34 is used to push the movable handle 31 connected to the fixing pin 51 to automatically reset into the inside of the fixing groove 5 after the movable handle 31 is released, so as to limit the sliding block 21.

[0037] The moving handle 31 is fixedly connected to a moving ring, and both sides of the moving ring are fixedly connected to fixing pins 51 for driving the two fixing pins 51 to move to one side when the moving handle 31 moves to one side.

[0038] The fixing groove 5 is formed inside the supporting frame 1 , and the movable groove 52 is formed at one end of the fixing groove 5 and communicates with each other.

[0039] There are multiple fixing grooves 5, and the multiple fixing grooves 5 are sequentially opened inside the support frame 1 from top to bottom, and are used to limit the sliding block 21 after it slides to a suitable position. One end of the multiple fixing grooves 5 is opened on one side of the movable groove 52, and is used to limit the sliding block 21 after the fixing pin 51 separates from the fixed groove 5 and enters the inside of the movable groove 52, so that the sliding block 21 can be moved to one side to a suitable position.

[0040] The working principle of the multi-joint rotating armrest provided by the utility model is as follows:

[0041] When in use, when the armrest 22 needs to be adjusted to different heights, the movable handle 31 is pressed to one side, and the return spring 34 is squeezed while the movable slot 3 moves to one side, thereby driving the telescopic rod 33 to move to one side inside the telescopic slot 32. At the same time, when the movable handle 31 moves to one side, it drives the fixing pin 51 to separate to one side inside the fixing slot 5 and then enters the movable slot 52.

[0042] After the armrest 22 is moved upward and the sliding block 21 is moved to a suitable position inside the sliding groove 2, the moving handle 31 is released, and the return spring 34 pushes the moving handle 31 to move to a side inside the moving groove 3. When the moving handle 31 moves to a side, the telescopic groove 32 is driven to move to a side on the surface of the telescopic rod 33, and at the same time, the fixing pin 51 is driven to move to a side inside the movable groove 53 and enter the fixed groove 5 to limit the sliding block 21.

[0043] Compared with the related art, the multi-joint rotating armrest provided by the utility model has the following beneficial effects:

[0044] The utility model provides a multi-joint rotating armrest, which is driven by pressing the movable handle 31 to drive the fixed pin 51 to separate from the fixed groove 5 and enter the movable groove 52, and then the armrest 22 is moved upward or downward to drive the sliding block 21 to move to a suitable position in the sliding groove 2, and the movable handle 31 is reset by the reset spring 34, so that the fixed pin 51 enters the fixed groove 5 and limits the sliding block 21, so that the armrest 22 can be adjusted to a suitable height without changing the angle of the armrest 22.

[0045] Second embodiment

[0046] Please refer to Figure 5 and Figure 6 Based on the multi-joint rotating armrest provided by the first embodiment of the present application, the second embodiment of the present application proposes another multi-joint rotating armrest. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0047] Specifically, the multi-joint rotating armrest provided in the second embodiment of the present application is different in that, in the multi-joint rotating armrest, a storage box 6 is fixedly connected to one side of the support frame 1 , and a baffle 7 is fixedly connected to the interior of the storage box 6 .

[0048] The baffle 7 is used to divide the storage box 6 into a plurality of storage spaces to classify and store different objects, such as preventing keys and mobile phones from being placed together to prevent the keys from scratching the mobile phone screen.

[0049] A positioning groove 8 is provided inside the storage box 6 , and a sealing plate 9 is slidably connected inside the positioning groove 8 .

[0050] The positioning groove 8 is used for the sealing plate 9 to move to one side, and the sealing plate 9 is used to increase the privacy of the storage box 6.

[0051] A concave handle is provided inside the sealing plate 9 .

[0052] The recessed handle is used to facilitate the movement of the sealing plate 9.

[0053] A mounting groove 10 is formed inside the sealing plate 9 , and a magnet 11 is fixedly connected inside the mounting groove 10 .

[0054] There are two installation grooves 10 and two magnets 11 . The two installation grooves 10 are respectively opened inside the storage box 6 and the sealing plate 9 . The two magnets 11 are respectively fixedly connected inside the two installation grooves 10 .

[0055] The magnets 11 are used to stop the sealing plate 9 after it moves to one side in the positioning groove 8 to a suitable position. The two magnets 11 are adsorbed on each other, thereby limiting the position of the sealing plate 9 .

[0056] The working principle of the multi-joint rotating armrest provided by the utility model is as follows:

[0057] When in use, the sealing plate 9 is moved to one side in the positioning groove 8 to a suitable position by pulling the concave handle, and the small items carried with you are placed in the storage box 6. After the sealing plate 9 is reset, the two magnets 11 are adsorbed on each other to limit the sealing plate 9.

[0058] Compared with the related art, the multi-joint rotating armrest provided by the utility model has the following beneficial effects:

[0059] The utility model provides a multi-joint rotating armrest, which can store small items such as mobile phone keys and the like carried with you through a storage box 6, a baffle 7, a positioning groove 8, a sealing plate 9, a mounting groove 10 and a magnet 11, so as to prevent the items carried with you from falling when sitting on the seat.

[0060] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Multi-joint rotating armrest, characterized in that: include: Support frame; A sliding groove, the sliding groove is arranged inside the supporting frame, a sliding block is slidably connected inside the sliding groove, and a handrail is rotatably connected to the surface of the sliding block; A moving groove, the moving groove is arranged inside the sliding block, a moving handle is slidably connected inside the moving groove, a telescopic groove is provided inside the moving handle, a telescopic rod is slidably connected inside the telescopic groove, and a return spring is sleeved on the surface of the telescopic rod; A fixing groove is arranged inside the support frame, a fixing pin is slidably connected inside the fixing groove, and a movable groove is opened inside the support frame.

2. The multi-joint rotating armrest according to claim 1, characterized in that: The fixing groove is arranged inside the supporting frame, and the movable groove is arranged at one end of the fixing groove and is in communication with each other.

3. The multi-joint rotating armrest according to claim 2, characterized in that: A storage box is fixedly connected to one side of the support frame, and a baffle is fixedly connected to the interior of the storage box.

4. The multi-joint rotating armrest according to claim 3, characterized in that: A positioning groove is provided inside the storage box, and a sealing plate is slidably connected inside the positioning groove.

5. The multi-joint rotating armrest according to claim 4, characterized in that: A concave handle is provided inside the sealing plate.

6. The multi-joint rotating armrest according to claim 5, characterized in that: A mounting groove is provided inside the sealing plate, and a magnet is fixedly connected inside the mounting groove.

7. The multi-joint rotating armrest according to claim 6, characterized in that: The number of the installation grooves and the magnets is two, the two installation grooves are respectively opened inside the storage box and the sealing plate, and the two magnets are respectively fixedly connected inside the two installation grooves.

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