Quick-release base structure of seat

Abstract

The utility model provides a quick-release base structure of a seat. The seat quick-release base structure comprises a device body, the left side of the device body is rotationally connected with a rotating disc, the surface of the rotating disc is provided with a folding shaft, the folding shaft is fixedly connected with a rotating handle, the rotating handle is provided with a folding hole, and the surface of the rotating disc is fixedly connected with a folding limiting block. A folding limiting groove is formed in the folding limiting block, a folding spring is fixedly connected to the interior of the folding limiting groove, a folding sliding plate is fixedly connected to the other end of the folding spring, a folding limiting column is fixedly connected to the top of the folding sliding plate, a lifting mechanism is fixedly connected to the right side of the rotating disc, and a transmission rod is arranged on the lifting mechanism; four lifting holes are formed in the bottom of the device body, and the top of the worm is fixedly connected with a lifting table. The seat quick-release base structure provided by the utility model has the effects of improving the comfort of a user and improving the applicability of the device.

Description

Technical Field

[0001] The utility model relates to the field of seats, in particular to a quick-detachable seat base structure. Background Art

[0002] The quick-release seat base structure allows the seat base and bracket of the seat to be easily connected and separated. Through this structure, users can more easily remove or replace the seat base for easy cleaning, repair or replacement. The quick-release seat base structure is commonly found in home chairs, office chairs, etc.

[0003] In existing seat designs, most seat bases are fixed and cannot be adjusted in height. In some occasions where the seat height needs to be adjusted frequently, such as office and study, the traditional seat quick-release base structure is not flexible and convenient enough. This design limits the applicability of the seat, cannot meet the needs of people of different heights, and reduces the comfort of the user.

[0004] Therefore, it is necessary to provide a seat quick-release base structure to solve the above technical problems. Utility Model Content

[0005] The utility model provides a seat quick-release base structure, which solves the problem that the traditional seat quick-release base structure is not flexible and convenient enough in some occasions where the seat height needs to be adjusted frequently.

[0006] In order to solve the above technical problems, the utility model provides a quick-release seat base structure comprising: a device body, a turntable is rotatably connected to the left side of the device body, a folding axis is arranged on the surface of the turntable, a rotating handle is fixedly connected to the folding axis, a folding hole is opened on the rotating handle, a folding limiting block is fixedly connected to the surface of the turntable, a folding limiting groove is opened inside the folding limiting block, a folding spring is fixedly connected inside the folding limiting groove, a folding slide plate is fixedly connected to the other end of the folding spring, a folding limiting column is fixedly connected to the top of the folding slide plate, a lifting mechanism is fixedly connected to the right side of the turntable, a transmission rod is arranged on the lifting mechanism, the transmission rod is fixedly connected to the turntable, four first pulleys are fixedly connected to the surface of the transmission rod, a belt is transmission-connected to the first pulley, a second pulley is transmission-connected to the belt, a worm wheel is fixedly connected to the second pulley, a worm is meshed with the worm wheel, a worm groove is opened on the surface of the worm, four lifting holes are opened at the bottom of the device body, and a lifting platform is fixedly connected to the top of the worm.

[0007] Preferably, a seat cushion is inserted into the top of the lifting platform, two pull holes are opened at the bottom of the seat cushion, a pull shaft is fixedly connected inside the seat cushion, a transverse pull rod is rotatably connected to the surface of the pull shaft, and a pull button is fixedly connected to the left side of the transverse pull rod.

[0008] Preferably, two plug blocks are fixedly connected to the bottom of the seat cushion, and two slots are provided on the top of the lifting platform, and plug-in limiting slots are provided inside the slots.

[0009] Preferably, the horizontal pull rod is fixedly connected to a vertical pull rod, a first plug-in shaft is fixedly connected to the surface of the vertical pull rod, two connecting rods are rotatably connected to the first plug-in shaft, the other end of the connecting rod is rotatably connected to a second plug-in shaft, and a plug-in slide is fixedly connected to the second plug-in shaft.

[0010] Preferably, a plug-in spring is fixedly connected between the two plug-in slides, a plug-in limiting column is fixedly connected to the other side of the plug-in slide, and a guide baffle is fixedly connected to the top of the plug-in slide.

[0011] Preferably, a backrest is fixedly connected to the top of the seat cushion, a backrest net is fixedly connected to the backrest, a movable handle is fixedly connected to the back of the backrest, and four supporting legs are fixedly connected to the bottom of the device body.

[0012] Compared with the related art, the seat quick-release base structure provided by the utility model has the following beneficial effects:

[0013] The utility model provides a quick-release base structure for a seat, which is equipped with a lifting mechanism that can adjust the height of the base bracket, so that the seat can be adjusted in height according to the height requirements of different users and usage scenarios, thereby improving the applicability of the seat and being able to satisfy a wider range of user groups. After the height adjustment is completed, the quick-release base structure of the seat can lock the height, increase the stability of the seat, avoid shaking or collapse during use, and improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of the quick-release seat base structure provided by the utility model;

[0015] Figure 2 for Figure 1 The structural schematic diagram of the lifting mechanism shown;

[0016] Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown;

[0017] Figure 4 for Figure 1 An enlarged schematic diagram of part B is shown.

[0018] Numbers in the figure: 1, device body, 2, turntable, 3, folding axis, 4, rotating handle, 5, folding hole, 6, folding limit block, 7, folding limit groove, 8, folding spring, 9, folding slide plate, 10, folding limit column, 11, lifting mechanism, 12, transmission rod, 13, first pulley, 14, belt, 15, second pulley, 16, worm wheel, 17, worm, 18, worm groove, 19, lifting hole, 20, lifting platform, 21 , seat cushion, 22, pull hole, 23, pull shaft, 24, horizontal pull rod, 25, pull button, 26, plug block, 27, slot, 28, plug-in limit slot, 29, vertical pull rod, 30, first plug-in rotating shaft, 31, connecting rod, 32, second plug-in rotating shaft, 33, plug-in slide plate, 34, plug-in spring, 35, plug-in limit column, 36, guide baffle, 37, backrest, 38, backrest net, 39, moving handle, 40, support foot. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of the quick-release seat base structure provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the lifting mechanism shown; Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 4 for Figure 1The seat quick-release base structure includes: a device body 1, a turntable 2 is rotatably connected to the left side of the device body 1, a folding shaft 3 is provided on the surface of the turntable 2, a rotating handle 4 is fixedly connected to the folding shaft 3, a folding hole 5 is provided on the rotating handle 4, a folding limit block 6 is fixedly connected to the surface of the turntable 2, a folding limit groove 7 is provided inside the folding limit block 6, a folding spring 8 is fixedly connected inside the folding limit groove 7, a folding slide 9 is fixedly connected to the other end of the folding spring 8, a folding limit column 10 is fixedly connected to the top of the folding slide 9, a lifting mechanism 11 is fixedly connected to the right side of the turntable 2, and a transmission Rod 12, the transmission rod 12 is fixedly connected to the turntable 2, four first pulleys 13 are fixedly connected to the surface of the transmission rod 12, a belt 14 is transmission-connected to the first pulley 13, a second pulley 15 is transmission-connected to the belt 14, a worm wheel 16 is fixedly connected to the second pulley 15, a worm 17 is meshed with the worm wheel 16, a worm groove 18 is provided on the surface of the worm 17, four lifting holes 19 are provided at the bottom of the device body 1, a lifting platform 20 is fixedly connected to the top of the worm 17, by controlling the height of the seat quick-release base structure bracket, the user can adjust the height according to personal habits and needs to achieve a more comfortable use experience.

[0021] A seat cushion 21 is inserted into the top of the lifting platform 20, and two pulling holes 22 are provided at the bottom of the seat cushion 21. A pulling shaft 23 is fixedly connected inside the seat cushion 21, and a transverse pulling rod 24 is rotatably connected to the surface of the pulling shaft 23. A pulling button 25 is fixedly connected to the left side of the transverse pulling rod 24. When the pulling button 25 is pulled, the other end of the transverse pulling rod 24 moves upward due to the pulling shaft 23.

[0022] The bottom of the seat cushion 21 is fixedly connected with two plug blocks 26 , and the top of the lifting platform 20 is provided with two slots 27 , and the slots 27 are provided with plug-in limiting slots 28 . The plug blocks 26 are inserted into the rubbing slots 27 , so that the seat cushion 21 and the lifting platform 20 are connected together.

[0023] The horizontal pull rod 24 is fixedly connected to a vertical pull rod 29, and a first plug-in shaft 30 is fixedly connected to the surface of the vertical pull rod 29. Two connecting rods 31 are rotatably connected to the first plug-in shaft 30. The other end of the connecting rod 31 is rotatably connected to a second plug-in shaft 32. A plug-in slide 33 is fixedly connected to the second plug-in shaft 32. When the pull button 25 is pulled, the vertical pull rod 29 moves upward, driving the two plug-in slides 33 to approach.

[0024] A plug spring 34 is fixedly connected between the two plug-in slides 33, a plug-in limiting column 35 is fixedly connected to the other side of the plug-in slide 33, and a guide baffle 36 is fixedly connected to the top of the plug-in slide 33. When the plug-in slides 33 are brought close, the plug-in limiting column 35 is brought close and detached from the plug-in limiting groove 28, the device can be disassembled, and the plug block 26 can be directly aligned with the slot 27 and inserted during installation.

[0025] The top of the seat cushion 21 is fixedly connected to a backrest 37, a backrest net 38 is fixedly connected to the backrest 37, a moving handle 39 is fixedly connected to the back of the backrest 37, and four supporting legs 40 are fixedly connected to the bottom of the device body 1. The moving handle 39 facilitates the transfer of the device.

[0026] The working principle of the seat quick-release base structure provided by the utility model is as follows: when the seat user needs to adjust the seat height, the folding limit column 10 is pressed, the folding spring 8 is compressed, the rotating handle 4 is removed from the folding limit block 6, and the folding shaft 3 is straightened, and the rotating handle 4 is rotated to drive the turntable 2 to rotate, and then the transmission rod 12 is driven to rotate, the four first pulleys 13 rotate, and the belt 14 starts to move. The second pulley 15 is driven to rotate by the belt 14, and the worm wheel 16 starts to rotate, driving the worm 17 to rise and fall. The worm wheel 16 can drive the worm 17 to move. When the worm 17 is subjected to force, it will not drive the worm wheel 16 to rotate, thereby achieving a locking effect. After the height adjustment is completed, the rotating handle 4 is folded back onto the folding limit block 6.

[0027] Compared with the related art, the seat quick-release base structure provided by the utility model has the following beneficial effects:

[0028] By providing a lifting mechanism 11 that can adjust the height of the base bracket, the seat can be adjusted in height according to the height requirements of different users and usage scenarios, thereby improving the applicability of the seat and being able to satisfy a wider range of user groups. After the height adjustment is completed, the quick-release base structure of the seat can lock the height, increase the stability of the seat, avoid shaking or collapse during use, and improve safety.

[0029] 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. The seat quick-release base structure is characterized by: include: The main body of the device, the left side of the main body of the device is rotatably connected with a turntable, the surface of the turntable is provided with a folding axis, the folding axis is fixedly connected with a rotating handle, the rotating handle is provided with a folding hole, the surface of the turntable is fixedly connected with a folding limit block, the folding limit block is provided with a folding limit groove, the folding limit groove is fixedly connected with a folding spring, the other end of the folding spring is fixedly connected with a folding slide plate, the top of the folding slide plate is fixedly connected with a folding limit column, the right side of the turntable is fixedly connected with a lifting mechanism, the lifting mechanism is provided with a transmission rod, the transmission rod is fixedly connected to the turntable, four first pulleys are fixedly connected with the surface of the transmission rod, the first pulley is transmission-connected with a belt, the belt is transmission-connected with a second pulley, the second pulley is fixedly connected with a worm wheel, the worm wheel is meshed with a worm, the surface of the worm is provided with a worm groove, four lifting holes are provided at the bottom of the main body of the device, and the top of the worm is fixedly connected with a lifting platform.

2. The seat quick-release base structure according to claim 1, characterized in that: A seat cushion is inserted on the top of the lifting platform, two pull holes are arranged at the bottom of the seat cushion, a pull shaft is fixedly connected inside the seat cushion, a transverse pull rod is rotatably connected to the surface of the pull shaft, and a pull button is fixedly connected to the left side of the transverse pull rod.

3. The seat quick-release base structure according to claim 2, characterized in that: The bottom of the seat cushion is fixedly connected with two plug blocks, the top of the lifting platform is provided with two slots, and the inside of the slots is provided with plug-in limiting slots.

4. The seat quick-release base structure according to claim 2, characterized in that: The horizontal pull rod is fixedly connected to a vertical pull rod, a first plug-in shaft is fixedly connected to the surface of the vertical pull rod, two connecting rods are rotatably connected to the first plug-in shaft, the other end of the connecting rod is rotatably connected to a second plug-in shaft, and a plug-in slide is fixedly connected to the second plug-in shaft.

5. The seat quick-release base structure according to claim 4, characterized in that: A plug-in spring is fixedly connected between the two plug-in slides, a plug-in limiting column is fixedly connected to the other side of the plug-in slide, and a guide baffle is fixedly connected to the top of the plug-in slide.

6. The seat quick-release base structure according to claim 2, characterized in that: The top of the seat cushion is fixedly connected with a backrest, the backrest is fixedly connected with a backrest net, the back of the backrest is fixedly connected with a moving handle, and the bottom of the device body is fixedly connected with four supporting legs.

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