CN115349721A - Ergonomic chair - Google Patents

Abstract

The invention relates to the technical field of seats and discloses an ergonomic chair which comprises a chair back; a seat plate; a partition plate; a buffer layer; a headrest; a chair back adjustment assembly; a headrest adjustment assembly; the chair back is rotationally connected with the seat board; the chair back adjusting component is fixedly arranged at the lower side of the seat board and is connected with the connecting position of the chair back and the seat board; the outer side of the chair back adjusting component is provided with a buffer layer, the upper side of the buffer layer is fixedly connected with the chair plate, and the lower side of the buffer layer is fixedly provided with a partition plate; the headrest adjusting component is arranged in the headrest and is connected with the chair back adjusting component; when the bedplate atress elasticity between back of the chair adjustment subassembly adjustment back of the chair and the bedplate, headrest adjustment subassembly adjustment headrest width simultaneously makes when the person of gross weight uses between the back of the chair and the bedplate have bigger elasticity and reduce certain deformation, compares in the person of gross weight when making little heavy person use, and the back of the chair can produce the deformation similar with the person of gross weight when using with the elasticity of bedplate still less, makes this seat can be according to the different crowds of weight adaptation.

Description

Ergonomic Seat

technical field

The invention relates to the technical field of seats, in particular to an ergonomic seat.

Background technique

Ergonomic chairs mainly refer to chairs that can better fit and support people's head, neck, waist, hands, buttocks and other positions when sitting. This kind of chair can reduce the pressure on the above-mentioned parts and make the human body Feel more comfortable. Therefore, the design of ergonomic chairs is generally more natural, to achieve human adjustment, and suitable for people of different body types.

However, the ergonomic chairs in the prior art can only be deformed according to the different body shapes of people to fit the body parts, without taking into account that the weight of the user is different, and the elastic modulus of the deformable position is certain , which will lead to differences in the experience of using ergonomic seats for people with a small body weight and people with a large body weight.

Therefore, it is necessary to provide an ergonomic seat to solve the above technical problems.

Contents of the invention

The purpose of the present invention is to provide an ergonomic chair to solve the problems raised in the background art above.

Based on the above ideas, the present invention provides the following technical solutions: an ergonomic seat, including a seat back; a seat plate; a partition; a buffer layer; a headrest; The seat board is rotatably connected; the seat back adjustment assembly is fixedly arranged on the lower side of the seat board and connected with the connection position between the seat back and the seat board; the outside of the seat back adjustment assembly is provided with the The buffer layer, the upper side of the buffer layer is fixedly connected with the seat plate, the lower side of the buffer layer is fixed with the partition plate; the headrest is arranged on the upper side of the seat back, the The headrest adjustment assembly is arranged inside the headrest and connected with the seat back adjustment assembly; when the seat board is stressed, the seat back adjustment assembly adjusts the elastic force between the seat back and the seat board, At the same time, the headrest adjustment assembly adjusts the width of the headrest, so that when a person with a large weight uses it, there is greater elasticity between the seat back and the seat plate to reduce certain deformation, so that a person with a small weight can use the chair more comfortably than a person with a large weight. The elastic force of the back and the seat plate is less, which can produce a deformation similar to that of a large-weight person during use, so that the seat can be adapted to different groups of people according to their body weight, which is more ergonomic.

Preferably, the seat back adjustment assembly includes a rotating cover; a rotating plate; a torsion spring; The rotating plate is connected, the torsion spring is fixedly connected between the rotating plate and the chair back, and the setting of the torsion spring provides an elastic force between the seat back and the seat plate.

Preferably, the seat back adjustment assembly further includes a mounting shell; a probe rod; a trapezoidal plate; a first tooth plate; a first gear; It is arranged in the middle of the lower end surface of the seat plate; the probe rod passes through one side of the installation shell and is slidably connected with the installation shell; one end of the probe rod inside the installation shell is fixedly connected to a The first tooth plate, the first gear meshed with the first tooth plate is rotatably connected in the installation shell, the rope winding wheel is fixedly arranged on one side of the first gear, the first The first elastic member is fixedly connected between the tooth plate and the inner wall of the installation shell, the trapezoidal plate is fixedly connected with the bottom of the inner wall of the installation shell, the length of the upper bottom of the trapezoidal plate is shorter than the lower bottom, and the The hypotenuse of the trapezoidal plate is always attached to the probe rod, an arc-shaped groove is opened on the side of the rotating cover close to the rotating plate, the traction rope is wound on the rope winding wheel, and the traction rope Through the installation shell and the arc-shaped groove, it is fixedly connected with the rotating plate. When the user sits on the seat plate, the seat plate generates downward pressure so that the buffer layer deforms downward, and the installation shell drives the probe rod to move downward. Under the action of the trapezoidal plate, the probe rod gradually shrinks into the installation shell, and the probe rod drives the gear plate to move to rotate the meshing first gear. The rotation of the first gear drives the rope wheel to rotate, thereby tightening the traction rope and pulling The rope pulls the rotating board, giving the rotating board a downward force, thereby increasing the force between the seat board and the seat back during use. According to the weight of the user, the deformation of the cushioning layer is different, and the shrinkage distance of the probe rod is different. , the traction degree of the traction rope is also different, and the elastic force between the seat board and the seat back is different, so that the seat can be adapted to different groups of people according to the body weight, and is more ergonomic.

Preferably, the headrest adjustment assembly includes a first sealing cylinder; a first piston rod; a vent pipe; the first sealing cylinder is fixedly arranged on the upper end surface of the partition, and the first piston rod passes through the first A sealing cylinder is slidably connected with the first sealing cylinder, the end of the piston rod is provided with a piston plate matched with the first sealing cylinder, and the ventilation pipe is provided through the lower side of the first sealing cylinder , when the mounting shell moves downward to drive the first piston rod to move downward, thereby driving the piston plate to move downward to generate greater air pressure.

Preferably, the headrest adjustment assembly further includes a second sealing cylinder; a second piston rod; a clamping plate; a slide groove; a second elastic member; a slider; The sealing cylinder is penetrated and connected, the second sealing cylinder is arranged inside the headrest, the two sides of the second sealing cylinder are penetrating and slidingly provided with the second piston rod, and the second piston rod is on the first The inner end of the second sealing cylinder is provided with a sealing plate slidingly fitted with the second sealing cylinder, the second elastic member is fixed between the sealing plate and the inner wall of the second sealing cylinder, and the second elastic member is fixed between the sealing plate and the inner wall of the second sealing cylinder. The ends of the two piston rods outside the second sealing cylinder are fixedly connected with the clamping plate, the bottom of the clamping plate is fixedly connected with the slider, and the bottom plate of the headrest is provided with the slider. The chute matched with the block, through the air pressure generated by the connection of the ventilation pipe, pushes the inner sealing plate of the second sealing cylinder to both sides, drives the second piston rod to move, thereby drives the clamping plate to move to both sides, and the user's head or The neck can be adaptively embedded between the two clamping plates, and the heavier one is thicker than the neck, which requires a larger displacement of the clamping plate. At this time, due to its large weight, the buffer part has a large deformation, and the piston plate is downward. The longer the movement distance, the greater the air pressure, which increases the displacement of the clamping plate, which has the effect of automatically clamping the head and neck, and at the same time adapts the corresponding clamping size according to the user's weight, further increasing the ergonomics.

Preferably, the headrest adjustment assembly further includes a second gear; a second toothed plate; the second toothed plates are fixed on each of the sealing plates, and the second toothed plates on the sealing plates are arranged opposite to each other. The second gear is meshed between the tooth plates, and the second gear is rotatably connected with the second sealing cylinder. The setting of the second tooth plate and the second gear can make the clamping plates on both sides move at the same time , the movement distance is also the same, which prevents the user's head from tilting.

Preferably, it also includes a handrail; a connecting column; a base; described base.

Preferably, the buffer layer is made of elastic material; the headrest is filled with flexible material.

Compared with prior art, the beneficial effect of the present invention is:

1. According to the weight of the user, the deformation of the buffer layer is different, so that the elastic force between the seat and the seat back is different, so that the seat can be adapted to different groups of people according to the weight.

2. According to the weight of the user, the deformation of the buffer layer is different, resulting in the difference in the air pressure generated by the descent of the first piston rod, which makes the opening displacement of the clamping plate different, better adapting to different body types, and further increasing ergonomics seat effect.

3. Through the setting of the second tooth plate and the second gear, the clamping plates on both sides can move simultaneously, and the moving distance is also the same, so that the user's head will not be tilted, which improves the function of the ergonomic seat.

Description of drawings

Fig. 1 is a schematic diagram of the main structure of the present invention.

Figure 2 is a side sectional view of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the mounting shell of the present invention.

Fig. 4 is a schematic diagram of the internal structure of the rotary cover of the present invention.

Fig. 5 is a schematic diagram of the internal structure of the first sealing cylinder of the present invention.

Fig. 6 is a schematic diagram of the internal structure of the headrest of the present invention.

Fig. 7 is a top view of the second sealing cylinder of the present invention.

Fig. 8 is a schematic diagram of the internal structure of the second sealing cylinder of the present invention.

Fig. 9 is a schematic diagram of the overall structure of the present invention when it is used.

Fig. 10 is a schematic diagram of the structure inside the installation case when the present invention is used.

Detailed ways

Please refer to Figures 1 to 10, in an embodiment of the present invention, an ergonomic seat includes a seat back 1; a seat plate 2; a partition 4; a buffer layer 7; a headrest; a seatback adjustment assembly 8; Assembly 9; the seat back 1 is rotationally connected to the seat board 2; the seat back adjustment assembly 8 is fixedly arranged on the lower side of the seat board 2 and is connected to the seat back 1 and the seat board 2 The position is connected; the outer side of the seat back adjustment assembly 8 is provided with the buffer layer 7, the upper side of the buffer layer 7 is fixedly connected with the seat plate 2, and the lower side of the buffer layer 7 is fixedly provided with the The partition 4; the headrest is arranged on the upper side of the seat back 1, the headrest adjustment assembly 9 is arranged inside the headrest and connected with the seatback adjustment assembly 8; when the seat board 2. When the force is applied, the seat back adjustment component 8 adjusts the elastic force between the seat back 1 and the seat plate 2, and at the same time, the headrest adjustment component 8 adjusts the width of the headrest, so that the chair can be used by a heavy person. There is a greater elastic force between the back 1 and the seat plate 2 to reduce certain deformation, so that when a person with a small body weight uses it, compared with a person with a large body weight, the elastic force between the seat back 1 and the seat plate 2 is less, and it can produce the same effect as a person with a large body weight when using it. The similar deformation enables the seat to be adapted to different groups of people according to their body weight, has a similar use experience, is more ergonomic, and is safe and operable.

In this embodiment, the seat back adjustment assembly 8 includes a rotating cover 808; a rotating plate 809; a torsion spring 8010; In the connection position, the inner side of the rotating cover 808 is rotatably connected with the rotating plate 809, and the torsion spring 8010 is fixedly connected between the rotating plate 809 and the chair back 1, and the setting of the torsion spring 8010 is given to the seat back. 1 and an elastic force between the seat plate 2.

In this embodiment, the seat back adjustment assembly 8 further includes a mounting shell 801; a probe rod 802; a trapezoidal plate 803; a first toothed plate 804; a first gear 805; 8011; the first elastic member 8012; the installation shell 801 is fixedly arranged in the middle of the lower end surface of the seat plate 2; the probe rod 802 passes through one side of the installation shell 801 and slides with the installation shell 801 connection; one end of the probe rod 802 located inside the installation shell 801 is fixedly connected with the first tooth plate 804, and the first tooth plate 804 meshing with the first tooth plate 804 is rotatably connected in the installation shell 801. gear 805, the rope winding wheel 806 is fixedly arranged on one side of the first gear 805, and the first elastic member 8012 is fixedly connected between the first tooth plate 804 and the inner wall of the installation shell 801, so The trapezoidal plate 803 is fixedly connected to the bottom of the inner wall of the installation shell 801, the length of the upper bottom of the trapezoidal plate 803 is shorter than the lower bottom, the hypotenuse of the trapezoidal plate 803 is always attached to the probe rod 802, the The side of the rotating cover 808 close to the rotating plate 809 is provided with an arc-shaped groove 8011, and the pulling rope 807 is wound on the rope winding wheel 806, and the pulling rope 807 runs through the installation shell 801 and the arc. The shaped groove 8011 is fixedly connected with the rotating plate 809. When the user sits on the seat plate 2, the seat plate 2 generates downward pressure so that the buffer layer 7 deforms downward, and the installation shell 801 drives the probe rod 802 to move downward accordingly. Under the action of the trapezoidal plate 803, the probe rod 802 gradually shrinks into the installation shell 801, and the probe rod 802 drives the first gear plate 804 to move to rotate the meshing first gear 805, and the rotation of the first gear 805 drives the rotation of the rope wheel 806 , so as to tighten the traction rope 807, the traction rope 807 pulls the rotating plate 809, and gives the rotating plate 809 a downward force, thereby increasing the force between the seat board 2 and the seat back 1 during use, depending on the weight of the user , the deformation produced by the cushioning layer 7 is different, the contraction distance of the probe rod 802 is different, the traction degree of the traction rope 807 is also different, and the elastic force between the seat plate 2 and the seat back 1 is different, thereby enabling the seat to adapt to the body weight. With different groups of people, it is more in line with ergonomics.

In this embodiment, the headrest adjustment assembly 9 includes a first sealing cylinder 901; a first piston rod 902; a vent pipe 903; the first sealing cylinder 901 is fixedly arranged on the upper end surface of the partition 4, so The first piston rod 903 passes through the first sealing cylinder 901 and is slidably connected with the first sealing cylinder 901, and the end of the piston rod 903 is provided with a piston plate that cooperates with the first sealing cylinder 901, so The ventilation pipe 903 is arranged through the lower side of the first sealing cylinder 901. When the installation shell 801 moves downward, it drives the first piston rod 902 to move downward, thereby driving the piston plate to move downward to generate greater air pressure.

In this embodiment, the headrest adjustment assembly 9 further includes a second sealing cylinder 904; a second piston rod 905; a clamping plate 906; a sliding groove 907; a second elastic member 908; a slider 9011; 903 penetrates through the buffer layer 7 and connects with the second sealing cylinder 904. The second sealing cylinder 904 is arranged inside the headrest. Piston rod 905, the end of the second piston rod 905 inside the second sealing cylinder 904 is provided with a sealing plate that slides with the second sealing cylinder 904, and the sealing plate and the second sealing cylinder The second elastic member 908 is fixed between the inner walls of 904, the clamping plate 906 is fixedly connected to the end of the second piston rod 905 outside the second sealing cylinder 904, and the clamping plate The bottom of the headrest 906 is fixedly connected with the slider 9011, the bottom plate of the headrest is provided with the chute 907 matched with the slider 9011, and the air pressure generated by the communication of the air pipe 903 pushes the second seal to both sides. The inner sealing plate of the envelope 904 drives the second piston rod 905 to move, thereby driving the clamping plate 906 to move to both sides. The user's head or neck can be adaptively embedded between the two clamping plates 906, and the heavier one is opposite to the other. The thicker the neck, the greater the displacement of the clamping plate 906 is required. At this time, due to its large weight, the buffer portion 7 is greatly deformed, and the downward movement distance of the piston plate is longer, resulting in greater air pressure, which increases the displacement of the clamping plate 906. Large, it has the effect of automatically clamping the head and neck, and at the same time adapts the corresponding clamping size according to the user's weight, further increasing the ergonomics.

In this embodiment, the headrest adjustment assembly 9 further includes a second gear 909; a second tooth plate 9010; the second tooth plates 9010 are fixed on each of the sealing plates, and the first The two tooth plates 9010 are arranged oppositely, and the second gear 909 is meshed between the opposite tooth plates 9010, and the second gear 909 is rotatably connected with the second sealing cylinder 904, through the second tooth plate 9010 and the second tooth plate 9010 The setting of the two gears 909 can make the clamping plates 906 on both sides move at the same time, and the moving distance is also the same, which prevents the user's head from being skewed.

In this embodiment, it also includes a handrail 3; a connecting column 5; a base 6; the handrail 3 is arranged on both sides of the seat plate 2, and the connecting column 5 is fixedly arranged on the lower end surface of the partition plate 4, The lower end of the connecting column 5 is fixedly connected with the base 6 .

In this embodiment, the cushioning layer 7 is made of elastic material; the inside of the headrest is filled with flexible material.

working principle:

When the user sits on the seat plate 2, the seat plate 2 generates downward pressure to make the buffer layer 7 deform downward, and the installation shell 801 drives the probe rod 802 to move downward accordingly. Under the action of the trapezoidal plate 803, the probe rod 802 gradually Shrink into the installation shell 801, the probe rod 802 drives the first gear plate 804 to move to rotate the meshed first gear 805, the rotation of the first gear 805 drives the rotation of the rope wheel 806, thereby tightening the traction rope 807, and the traction rope 807 pulls The rotating plate 809 gives a downward force to the rotating plate 809, thereby increasing the force between the seat plate 2 and the seat back 1 during use. When the mounting shell 801 moves downwards, it drives the first piston rod 902 to move downwards, thereby driving The downward movement of the piston plate generates relatively large air pressure, and the air pressure generated by the connection of the vent pipe 903 pushes the inner sealing plate of the second sealing cylinder 904 to both sides, driving the second piston rod 902 to move, thereby driving the clamping plate 906 to move to both sides, The user's head or neck can be adaptively embedded between the two clamping plates 906, and the setting of the second tooth plate 9010 and the second gear 909 can make the clamping plates 906 on both sides move at the same time, and the moving distance is also the same. It has achieved the effect that the user's head will not be tilted.

Claims (8)

1. An ergonomic chair, characterized in that: comprising a chair back; Base plate; clapboard; The buffer layer; headrest; Seat back adjustment components; Headrest adjustment components; The seat back is rotatably connected with the seat board; the seat back adjustment assembly is fixedly arranged on the lower side of the seat board and connected with the connection position between the seat back and the seat board; the seat back adjustment The outer side of the assembly is provided with the buffer layer, the upper side of the buffer layer is fixedly connected with the seat plate, and the lower side of the buffer layer is fixed with the partition plate; the headrest is arranged on the seat back The upper side of the headrest adjustment assembly is arranged inside the headrest and connected with the seat back adjustment assembly; when the seat board is stressed, the seat back adjustment assembly adjusts the seat back and the seat elastic force between the boards, and at the same time the head restraint adjusting assembly adjusts the width of the head restraint. 2. The ergonomic seat according to claim 1, characterized in that: the seat back adjustment assembly comprises a rotating cover; rotating plate; torsion spring; The rotating cover is fixedly arranged at the rotating connection position between both sides of the seat plate and the chair back, the inner side of the rotating cover is connected with the rotating plate, and the rotating plate is fixed between the seat back and the seat back. The torsion spring is connected. 3. The ergonomic seat according to claim 2, characterized in that: the seat back adjustment assembly further comprises a mounting shell; probe rod; trapezoidal plate; first tooth plate; first gear; rope wheel; Leash; arc groove; first elastic member; The installation shell is fixedly arranged in the middle of the lower end surface of the seat plate; the probe rod passes through one side of the installation shell and is slidably connected with the installation shell; the probe rod is located inside the installation shell One end is fixedly connected with the first tooth plate, the first gear meshing with the first tooth plate is rotatably connected in the installation shell, and the rope winding wheel is fixedly arranged on one side of the first gear , the first elastic member is fixedly connected between the first tooth plate and the inner wall of the installation shell, the trapezoidal plate is fixedly connected with the bottom of the inner wall of the installation shell, and the length of the upper bottom of the trapezoidal plate is less than At the bottom, the hypotenuse of the trapezoidal plate is always in contact with the probe rod, the side of the rotating cover close to the rotating plate is provided with an arc-shaped groove, and the traction rope is wound on the rope winding wheel. , the traction rope runs through the installation shell and the arc-shaped groove and is fixedly connected with the rotating plate. 4. The ergonomic seat according to claim 1, characterized in that: the headrest adjustment assembly comprises a first sealing cylinder; first piston rod; snorkel; The first sealing cylinder is fixedly arranged on the upper end surface of the partition, the first piston rod passes through the first sealing cylinder and is slidably connected with the first sealing cylinder, and the end of the piston rod is provided with The piston plate cooperating with the first sealing cylinder, and the ventilation pipe are arranged through the lower side of the first sealing cylinder. 5. The ergonomic seat according to claim 4, characterized in that: the headrest adjustment assembly further comprises a second sealing cylinder; second piston rod; clamping plate; chute; second elastic member; slider; The ventilation pipe penetrates through the buffer layer and is connected with the second sealing cylinder, the second sealing cylinder is arranged inside the headrest, and the two sides of the second sealing cylinder are penetratingly and slidingly provided with the first sealing cylinder. Two piston rods, the end of the second piston rod inside the second sealing cylinder is provided with a sealing plate slidingly fitted with the second sealing cylinder, the sealing plate and the inner wall of the second sealing cylinder The second elastic member is fixed between them, the clamping plate is fixedly connected to the end of the second piston rod outside the second sealing cylinder, and the sliding plate is fixedly connected to the bottom of the clamping plate. block, the bottom plate of the headrest is provided with the chute matched with the slider. 6. The ergonomic seat according to claim 5, characterized in that: the headrest adjustment assembly further comprises a second gear; second tooth plate; Each of the sealing plates is fixed with the second tooth plate, and the second tooth plates on the sealing plate are oppositely arranged, and the second gear is meshed between the opposite tooth plates, and the second gear It is rotatably connected with the second sealing cylinder. 7. The ergonomic chair according to claim 1, further comprising armrests; connecting column; base; The armrests are arranged on both sides of the seat plate, the connecting column is fixedly arranged on the lower end surface of the partition, and the lower end of the connecting column is fixedly connected with the base. 8. The ergonomic seat according to claim 1, characterized in that: the buffer layer is made of elastic material; the headrest is filled with flexible material.

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