Adjustable fitness chair

Abstract

The utility model relates to an adjustable fitness chair, which belongs to the technical field of fitness chairs and comprises a support frame, an adjusting device for adjusting the angle of the back of a user is arranged at the left end of the upper side of the support frame, and a support device for supporting the legs of the user is arranged at the right end of the upper side of the support frame; the supporting device comprises a connecting column fixedly connected to the right end of the upper side of the supporting frame, an arc-shaped plate rotationally arranged on the outer wall of the upper side of the connecting column in a sleeving mode, a connecting plate fixedly connected to the right side of the arc-shaped plate, and two leg supporting rods fixedly connected to the right side of the connecting plate. The bolt is inserted into one end of the arc-shaped plate; and the first insertion holes are formed in the surface of the arc-shaped plate. According to the adjustable body-building chair, the angle of the connecting plate is adjusted by rotating the arc-shaped plate on the surface of the connecting column, and the bolt is inserted into the corresponding first insertion hole according to the adjusted angle, so that the effect of being matched with the backrest plate is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness chairs, in particular to an adjustable fitness chair. Background Art

[0002] With the progress of society, people pay more and more attention to their physical health, and more and more people are doing fitness and other activities in pursuit of health. Correspondingly, people are under increasing pressure at work, and they need to spend more and more time and energy on work. Ordinary office chairs, due to their simple shape, can cause neck soreness, back pain and other problems after long-term use.

[0003] After searching, Chinese patent CN211188974U in the prior art discloses a fitness chair with adjustable angle function, including a main frame, a rear foot rod, a barrier, a backboard and a seat board, the main frame is a curved structure, the left end of the main frame is welded to the right side of the rear foot rod, the barrier is installed at equal distances on the left side of the upper end of the main frame and is provided in plurality, the right bottom of the backboard is rotatably connected to the support frame, the bottom of the seat board is connected to the bending part of the main frame through a bracket, and the right end of the backboard is rotatably connected to the bracket at the bottom left of the seat board, the utility model utilizes the support frame to be installed on the main frame, and the support frame is telescopic and can be adjusted according to the needs of the user, and the provided tension rope can allow the exerciser to exercise his arm strength, which is convenient for installation and disassembly.

[0004] However, the knee joint support rod and the calf support rod of the fitness chair of the utility model cannot be adjusted according to the movement of the backboard. If a person directly adjusts the backboard to be perpendicular to the seat board and the legs are stuck between the two rods, when suddenly standing up or doing other movements, the leg joints may be sprained due to being stuck between the two rods. Therefore, an adjustable fitness chair is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an adjustable fitness chair, which has the advantages of synchronously adjusting the connecting plate according to the adjustment angle of the backrest board, etc., which solves the problem that the knee joint support rod and the calf support rod of the fitness chair cannot be adjusted according to the movement of the backboard. If a person directly adjusts the backboard to be perpendicular to the seat board and the legs are stuck between the two rods, when suddenly standing up or doing other movements, the leg joints will be sprained due to being stuck between the two rods.

[0006] To achieve the above objectives, the utility model provides the following technical solutions: an adjustable fitness chair, comprising a support frame, wherein the left end of the upper side of the support frame is provided with an adjustment device for adjusting the angle of the user's back, and the right end of the upper side of the support frame is provided with a support device for supporting the user's legs.

[0007] The supporting device includes a connecting column fixedly connected to the upper right end of the supporting frame, an arc-shaped plate rotatably mounted on the upper outer wall of the connecting column, a connecting plate fixedly connected to the right side of the arc-shaped plate, two leg supporting rods fixedly connected to the right side of the connecting plate, a pin inserted into one end of the arc-shaped plate, and a plurality of first sockets opened on the surface of the arc-shaped plate.

[0008] Furthermore, the adjustment device includes a fixing plate fixedly connected to the left end of the upper side of the support frame, a driving motor fixedly installed on the upper side of the fixing plate, a threaded rod fixedly connected to the output end of the driving motor, a threaded block threadedly connected to the outside of the threaded rod, a sleeve fixedly connected to the upper side of the threaded block, an electric push rod fixedly installed on the inner bottom wall of the sleeve, a slider rotatably sleeved on the output end of the electric push rod, and a fitness device slidably connected to the outside of the slider.

[0009] Furthermore, the fitness device includes a backrest board slidably connected to the outside of the slider, a seat cushion rotatably connected to the right side of the backrest board, and a support structure arranged inside the left side of the backrest board for supporting the user's head.

[0010] Furthermore, the support structure includes a movable rod slidably sleeved on the left inner wall of the backrest board, a head pillow fixedly connected to the upper side of the movable rod, an insertion block inserted on the left side of the movable rod, a pull plate fixedly connected to the left side of the insertion block, and two springs fixedly connected to the side of the insertion block close to the pull plate.

[0011] Furthermore, the plurality of first jacks are arranged vertically at equal intervals, and a hole matching the first jacks is formed on the upper side of the connecting column.

[0012] Furthermore, a plurality of second plug holes are formed on the left side surface of the movable rod, and the plurality of second plug holes are arranged vertically at equal intervals.

[0013] Furthermore, a sliding groove is provided on the lower surface of the backrest plate, and the outer side of the sliding block is slidably connected in the sliding groove.

[0014] Compared with the prior art, the utility model provides an adjustable fitness chair, which has the following beneficial effects:

[0015] 1. The adjustable fitness chair realizes angle adjustment of the connecting plate by rotating the arc plate on the surface of the connecting column, and inserts the latch into the corresponding first plug hole according to the adjusted angle to achieve a coordinated effect with the backrest plate.

[0016] 2. The adjustable fitness chair can support the headrest and the heads of different people by pulling the movable rod up and down inside the backrest board to improve safety. It solves the problem that the knee joint support rod and the calf support rod of the fitness chair cannot be adjusted according to the movement of the backboard. If a person directly adjusts the backboard to be perpendicular to the seat board and the legs are stuck between the two rods, when he suddenly stands up or does other movements, the leg joints will be sprained because they are stuck between the two rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0018] Figure 2 It is a partial structural sectional view of the backrest board of the utility model;

[0019] Figure 3 This is a structural side view of the connecting plate of the utility model;

[0020] Figure 4 It is a structural stereogram of the connecting plate of the utility model.

[0021] In the figure: 1 support frame, 2 fixing plate, 3 driving motor, 4 threaded rod, 5 threaded block, 6 sleeve, 7 electric push rod, 8 slider, 9 headrest, 10 pull plate, 11 cushion, 12 connecting column, 13 connecting plate, 14 leg support rod, 15 arc plate, 16 first plug hole, 17 latch, 18 backrest plate, 19 movable rod, 20 plug block, 21 spring, 22 second plug hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 In this embodiment, an adjustable fitness chair includes a support frame 1, an adjustment device for adjusting the angle of the user's back is provided at the left end of the upper side of the support frame 1, and a support device for supporting the user's legs is provided at the right end of the upper side of the support frame 1. The support device includes a connecting column 12 fixedly connected to the right end of the upper side of the support frame 1, an arc plate 15 rotatably sleeved on the upper outer wall of the connecting column 12, a connecting plate 13 fixedly connected to the right side of the arc plate 15, two leg support rods 14 fixedly connected to the right side of the connecting plate 13, a pin 17 plugged into one end of the arc plate 15, and a plurality of first plug holes 16 provided on the surface of the arc plate 15.

[0024] The adjusting device includes a fixing plate 2 fixedly connected to the left end of the upper side of the support frame 1, a driving motor 3 fixedly installed on the upper side of the fixing plate 2, a threaded rod 4 fixedly connected to the output end of the driving motor 3, a threaded block 5 threadedly connected to the outer side of the threaded rod 4, a sleeve 6 fixedly connected to the upper side of the threaded block 5, an electric push rod 7 fixedly installed on the inner bottom wall of the sleeve 6, a slider 8 rotatably sleeved on the output end of the electric push rod 7 and a fitness device slidably connected to the outer side of the slider 8, the fitness device includes a backrest board 18 slidably connected to the outer side of the slider 8, a cushion 11 rotatably connected to the right side of the backrest board 18 and a support arranged inside the left side of the backrest board 18 for supporting the user's head. The supporting structure includes a movable rod 19 slidably sleeved on the inner wall of the left side of the backrest plate 18, a headrest 9 fixedly connected to the upper side of the movable rod 19, an insertion block 20 inserted on the left side of the movable rod 19, a pull plate 10 fixedly connected to the left side of the insertion block 20 and two springs 21 fixedly connected to the plug block 20 on the side close to the pull plate 10, a plurality of first sockets 16 are arranged vertically equidistantly, a hole matching the first sockets 16 is opened on the upper side of the connecting column 12, a plurality of second sockets 22 are opened on the left side surface of the movable rod 19, and the plurality of second sockets 22 are arranged vertically equidistantly, a sliding groove is opened on the lower side surface of the backrest plate 18, and the outer side of the slider 8 is slidably connected in the sliding groove.

[0025] The working principle of the above embodiment is:

[0026] When the user sits on the seat cushion 11, the threaded block 5 is driven by the driving motor 3 to drive the slider 8 connected to the output end of the electric push rod 7 to slide in the slide groove opened at the lower side of the backrest plate 18 according to his own needs, and the output end of the electric push rod 7 is started to drive the slider 8 to adjust the height of different positions in the slide groove, which is convenient for adjusting the back angle of the backrest plate 18. After the back adjustment is completed, the pull plate 10 can be pulled to move the plug block 20 out of the second plug hole 22, and the movable rod 19 is pulled to drive the headrest 9 to achieve the head support function of the user at different head positions. The spring 21 rebounds and can clip the plug block 20 into the second plug hole 22 of different heights. When the backrest plate 18 and the headrest 9 are adjusted, the arc plate 15 is rotated on the upper side of the connecting column 12 to adjust the angle to the same as the backrest plate 18 or the angle required by the user, and the corresponding first plug hole 16 is aligned with the hole opened in the connecting column 12, and the connecting plate 13 is fixed by inserting the pin 17, and then the legs are placed between the leg support rods 14 for support.

[0027] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable fitness chair, comprising a support frame (1), characterized in that: The left end of the upper side of the support frame (1) is provided with an adjustment device for adjusting the angle of the user's back, and the right end of the upper side of the support frame (1) is provided with a support device for supporting the user's legs; The support device comprises a connecting column (12) fixedly connected to the upper right end of the support frame (1), an arc-shaped plate (15) rotatably sleeved on the upper outer wall of the connecting column (12), a connecting plate (13) fixedly connected to the right side of the arc-shaped plate (15), two leg support rods (14) fixedly connected to the right side of the connecting plate (13), a latch (17) plugged into one end of the arc-shaped plate (15), and a plurality of first plug holes (16) provided on the surface of the arc-shaped plate (15).

2. An adjustable fitness chair according to claim 1, characterized in that: The adjusting device comprises a fixing plate (2) fixedly connected to the left end of the upper side of the supporting frame (1), a driving motor (3) fixedly mounted on the upper side of the fixing plate (2), a threaded rod (4) fixedly connected to the output end of the driving motor (3), a threaded block (5) threadedly connected to the outer side of the threaded rod (4), a sleeve (6) fixedly connected to the upper side of the threaded block (5), an electric push rod (7) fixedly mounted on the inner bottom wall of the sleeve (6), a sliding block (8) rotatably sleeved on the output end of the electric push rod (7), and a fitness device slidably connected to the outer side of the sliding block (8).

3. An adjustable fitness chair according to claim 2, characterized in that: The fitness device comprises a backrest board (18) slidably connected to the outside of the slider (8), a seat cushion (11) rotatably connected to the right side of the backrest board (18), and a support structure arranged inside the left side of the backrest board (18) for supporting the user's head.

4. The adjustable fitness chair according to claim 3, characterized in that: The support structure comprises a movable rod (19) slidably sleeved on the left inner wall of the backrest plate (18), a headrest (9) fixedly connected to the upper side of the movable rod (19), an insert block (20) inserted on the left side of the movable rod (19), a pull plate (10) fixedly connected to the left side of the insert block (20), and two springs (21) fixedly connected to the insert block (20) on a side close to the pull plate (10).

5. The adjustable fitness chair according to claim 1, characterized in that: The plurality of first plug holes (16) are arranged vertically at equal intervals, and a hole matching the first plug holes (16) is provided on the upper side of the connecting column (12).

6. The adjustable fitness chair according to claim 4, characterized in that: A plurality of second insertion holes (22) are provided on the left side surface of the movable rod (19), and the plurality of second insertion holes (22) are arranged at equal intervals in the vertical direction.

7. The adjustable fitness chair according to claim 3, characterized in that: The lower surface of the backrest plate (18) is provided with a sliding groove, and the outer side of the sliding block (8) is slidably connected in the sliding groove.

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