Novel adjustable seat

Abstract

The utility model provides a novel adjustable seat which comprises a base and a backrest, the base comprises supporting legs and armrests, the armrests are arranged at the tops of the supporting legs, a seat face assembly is arranged between the supporting legs and comprises a seat face plate and a connecting rod arranged at the bottom of the seat face plate, the backrest comprises a backrest frame and a backup plate, the connecting rod is hinged to the backrest frame, and the backrest frame is hinged to the backrest. The backrest frame is hinged to the inner side walls of the armrests, guide parts are arranged at the bottoms of the sides, close to the inner walls of the armrests, of the connecting rods and provided with guide positions, the guide positions are slidably connected with the inner side walls of the armrests, the adjustable seat has a sitting posture state and a lying posture state, and locking assemblies are arranged between the guide positions and the inner side walls of the armrests so as to lock the state of the adjustable seat. The steps of moving the seat and the table are reduced, use is more convenient, the adjusting angle can be adjusted to the maximum degree, the influence between the table and the chair is reduced, and the rest quality of students is improved.

Description

Technical Field

[0001] The present application relates to the technical field of seats, and in particular to a novel adjustable seat. Background Art

[0002] Nowadays, people pay more and more attention to their own rest in order to improve the efficiency of study and work, especially students in school. In order to make up for the fatigue brought by a morning of study, lunch break has become a necessary energy replenishment option for many students at noon. However, due to local differences and inadequate facilities, some schools now do not provide students with places or facilities specifically for lunch breaks. In most cases, students often lie directly on the table to rest. Although they can get a little low-quality rest, in the long run, students will suffer from back pain at the mildest, affecting their study state in the afternoon, or hunchbacks and cervical deformities at the worst, seriously affecting their physical health.

[0003] In this regard, adjustable chairs have begun to appear in the prior art, and the backrest structure of the backrest can be rotated to make the chair into a reclining chair, which can not only reduce the investment of the school in providing beds and lunch break facilities, but also directly lying on the reclining chair can better restore the spirit and improve the quality of rest than lying on the table to rest; however, since the desks in the classroom are often arranged in a row of multiple desks, the front and rear gaps between desks are limited, about 20cm to 30cm. In relatively backward classrooms with more students, the gap may be even smaller. The traditional adjustable chair (China Utility Model Patent CN219940019 A kind of student desk and chair) ) When the backrest is rotated backward to become a reclining chair, the rear side wall of the backrest often collides with the desk behind, making it not only difficult to adjust the seat back angle, but also students' desks often contain stationery, books, etc. Directly adjusting the seat backrest often affects the items placed on the desks of the students in the back row. The backrest may knock down the items placed on the table. Therefore, when adjusting, it is often necessary to increase the distance between the desks to ensure normal adjustment, or directly pull out the chair and place it horizontally to reduce the impact on each other. It is inconvenient to use. If it is not adjusted, it is difficult to achieve the best lying angle, and it is easy to knock down the items placed on the desk behind.

[0004] Therefore, the prior art needs to be further improved and enhanced. Utility Model Content

[0005] The present application provides a novel adjustable chair to solve the problems in the prior art such as the inconvenience of adjusting the chair, the easy collision with the desk behind, and the influence on the rest quality of the students.

[0006] The technical solution adopted in this application is:

[0007] The present application provides a novel adjustable chair, comprising a base and a backrest, wherein the base comprises legs and armrests, the armrests are arranged on the tops of the legs, a seat assembly is arranged between the legs, the seat assembly comprises a seat panel and a connecting rod arranged at the bottom of the seat panel, the backrest comprises a backrest frame and a backrest plate, the connecting rod is hinged to the backrest frame, the backrest frame is hinged to the inner side wall of the armrest, a guide portion is arranged at the bottom of one side of the connecting rod close to the inner wall of the armrest, the guide portion is provided with a guide position, the guide position is slidably connected to the inner side wall of the armrest, the adjustable chair has a sitting state and a lying state, and a locking assembly is arranged between the guide position and the inner side wall of the armrest to lock the state of the adjustable chair.

[0008] As a preferred embodiment of the present application, the guide portion is a guide plate, and the guide position is a strip groove opened on the guide plate.

[0009] As a preferred embodiment of the present application, an insertion rod is provided at the connection between the handrail and the guide portion, and the insertion rod is inserted into the strip-shaped groove.

[0010] As a preferred embodiment of the present application, the locking assembly includes a first locking block, a second locking block and a mounting member. The first locking block and the second locking block are arranged on the outside of the guide portion, and the mounting member is arranged on the inside of the guide portion, and both are sleeved on the outer side wall of the insertion rod.

[0011] As a preferred embodiment of the present application, a recess and a protrusion are provided on the side of the first locking block close to the second locking block, and a recess and a protrusion are provided on the side of the second locking block close to the first locking block, and both have an unlocked state in which the recess and the protrusion of the first locking block are respectively in contact with the protrusion and recess of the first locking block, and a locked state in which the protrusion of the first locking block is in contact with the protrusion of the second locking block.

[0012] As a preferred embodiment of the present application, the gap between the second locking block and the guide portion in the unlocked state is greater than the gap between the second locking block and the guide portion in the locked state.

[0013] As a preferred embodiment of the present application, a hinged position is provided at the connection between the connecting rod and the backrest frame, and a mounting rod is protruding from the bottom of the backrest frame, and the mounting rod is hinged to the hinged position.

[0014] As a preferred embodiment of the present application, an installation opening is provided on the outer side wall of the installation rod, and a matching portion is provided on the inner side wall of the armrest close to the backrest, and the matching portion is hinged to the installation opening.

[0015] As a preferred embodiment of the present application, an insertion rod is provided on the inner wall of the armrest away from the backrest, the insertion rod is threadedly connected to the mounting piece, a pad is protruded on the side of the second locking block close to the guide portion, and a gasket is provided on the side of the mounting rod close to the second locking block, and a handle is provided on the side wall of the first locking block.

[0016] As a preferred embodiment of the present application, in a sitting state, the backrest is perpendicular to the seat assembly, in a lying state, the backrest is tilted backward relative to the seat assembly, there is an obtuse angle between the seat assembly and the backrest, and the lateral distance between the seat panel and the rear end of the armrest is greater than the lateral distance between the seat panel and the rear end of the armrest in a sitting state.

[0017] Due to the adoption of the above technical solution, the technical effects achieved by this application are:

[0018] The present application provides a novel adjustable chair, in which a backrest frame and an inner side wall of an armrest are hinged, and a connecting rod at the bottom of a seat panel is hinged to the backrest frame, so that when the backrest frame rotates, the bottom panel can be driven to move. Since the backrest frame is rotatably connected to the armrest, and a guide portion is provided at the connecting rod, the guide groove of the guide portion can provide guidance for the movement of the connecting rod. That is to say, when the chair is converted into a lying state, when the backrest rotates backward, the connection between the backrest and the armrest becomes a fulcrum of rotation. When the backrest frame swings backward, the bottom of the backrest frame moves forward, and the bottom seat is driven to move forward through the hinge between the backrest frame and the connecting rod. , and guides the forward direction through the guide part, that is to say, when adjusting the seat, the backrest does not rotate directly backward like a traditional seat, but while rotating backward, the seat panel moves forward, thereby driving the bottom of the backrest frame to move forward, thereby reducing the distance between the backrest frame and the desk at the rear when adjusting, thereby reducing the impact on the items placed on the desktop of the desk at the rear, and because the rear distance is shortened, there is no need to move the seat and the desk, reducing the steps and making it easier to use. The adjustment angle can also be adjusted to the maximum extent, reducing the impact between the table and the chair, and improving the quality of students' rest. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present application and do not constitute an improper limitation on the present invention. In the drawings:

[0020] Figure 1 A schematic diagram of the sitting posture structure of a novel adjustable chair provided in this application;

[0021] Figure 2 A schematic diagram of the structure of a novel adjustable seat in a lying position provided in this application;

[0022] Figure 3 For this application Figure 1 A schematic diagram of the structure;

[0023] Figure 4A schematic diagram of the structure of a locking assembly of a novel adjustable seat provided in the present application in an unlocked state;

[0024] Figure 5 A structural schematic diagram of the locked state of a locking assembly of a novel adjustable seat provided in the present application.

[0025] Reference numerals:

[0026] 10 base; 11 supporting leg; 12 armrest; 121 telescopic rod; 122 matching part; 13 insertion rod;

[0027] 20 backrest; 21 backrest frame; 211 mounting rod; 22 backrest plate;

[0028] 30 seat surface assembly; 31 seat panel; 32 connecting rod; 321 hinge position; 33 guide part; 34 guide position;

[0029] 40 locking assembly; 41 first locking block; 42 second locking block; 43 mounting member; 44 recess; 45 projection; 46 handle. DETAILED DESCRIPTION

[0030] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0032] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0033] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0035] like Figures 1 to 5 As shown, the present application provides a novel adjustable chair, comprising a base 10 and a backrest 20, the base 10 comprising legs 11 and armrests 12, the armrests 12 being arranged at the tops of the legs 11, a seat assembly 30 being arranged between the legs 11, the seat assembly 30 comprising a seat panel 31 and a connecting rod 32 arranged at the bottom of the seat panel 31, the backrest 20 comprising a backrest 20 frame 21 and a backrest 22, the connecting rod 32 being hinged to the backrest 20 frame 21, the backrest 20 frame 21 being hinged to the inner side wall of the armrest 12, a guide portion 33 being arranged at the bottom of one side of the connecting rod 32 close to the inner wall of the armrest 12, the guide portion 33 being provided with a guide position 34, the guide position 34 being slidably connected to the inner side wall of the armrest 12, the adjustable chair having a sitting state and a lying state, a locking assembly 40 being arranged between the guide position 34 and the inner side wall of the armrest 12 to lock the state of the adjustable chair.

[0036] Among them, Figure 1 and Figure 2 As shown, the leg 11 can adopt an I-shaped structure, and the armrest 12 is arranged on the top of the leg 11. In order to facilitate the height adjustment of the seat, an adjustment hole can be opened on the top wall of the leg 11, and a telescopic rod 121 can be arranged near the middle of the armrest 12. The telescopic rod 121 can be inserted into the adjustment hole and slidably connected with the adjustment hole to facilitate adjustment; and because the armrest 12 is connected to the connecting rod 32 of the base 10, when adjusting in the vertical direction, the entire seat assembly 30 can be driven to move in the vertical direction to meet the needs of different users.

[0037] In a specific embodiment, Figure 3 As shown, the guide portion 33 is a guide plate, and the guide position 34 is a strip groove opened on the guide plate. The strip groove can be set to a structure that is inclined from the backrest 20 to the seat assembly 30 and from bottom to top to facilitate switching between a sitting state and a lying state.

[0038] Of course, the guide plate structure here is only an optional implementation method. This application does not make any specific restrictions on its shape. For the strip grooves, different inclination angles can be selected as needed. For the guide portion 33 as a whole, a structure other than the guide plate can also be selected to set it, such as directly using a tubular structure to achieve the guiding effect.

[0039] Furthermore, if Figure 3 As shown, an insertion rod 13 is provided at the connection between the handrail 12 and the guide portion 33, and the insertion rod 13 is inserted into the strip groove. The locking assembly 40 includes a first locking block 41, a second locking block 42 and a mounting member 43, wherein the first locking block 41 and the second locking block 42 are arranged on the outside of the guide portion 33, and the mounting member 43 is arranged on the inside of the guide portion 33, and both are sleeved on the outer wall of the insertion rod 13.

[0040] Specifically, the insertion rod 13 can be detachably arranged at the armrest 12, such as Figure 1 and Figure 2 As shown, the insertion rod 13 is located in the front area of ​​the armrest 12 to facilitate adjustment. Like commonly used tables and chairs, there must be two armrests 12 that are relatively arranged. Taking the armrest 12 on one side as an example, the shape of the armrest 12 can adopt an L-shaped structure, with a longer section parallel to the ground, and a shorter section perpendicular to this section perpendicular to the ground, and the insertion rod 13 is set in the lower area of ​​this section.

[0041] It can be understood that the insertion rod 13 is slidably matched with the strip groove of the guide plate. Here, since the insertion rod 13 is arranged on the armrest 12, and the armrest 12 is connected to the base 10, the armrest 12 itself is a fixed structure except that it can be adjusted in the vertical direction due to the adjustment port. Therefore, when adjusting the seat panel 31, it is not that the insertion rod 13 slides directly along the strip groove, but the strip groove slides relative to the position of the insertion rod 13, that is, the entire seat panel 31 structure provided with the guide portion 33 slides in the direction of the strip groove based on the insertion rod 13.

[0042] Furthermore, if Figure 4 and Figure 5 As shown, a recess 44 and a convex portion 45 are provided on the side of the first locking block 41 close to the second locking block 42, and a recess 44 and a convex portion 45 are provided on the side of the second locking block 42 close to the first locking block 41, and both have an unlocked state in which the recess 44 and the convex portion 45 of the first locking block 41 are in contact with the convex portion 45 and the recess 44 of the first locking block 41 respectively, and a locked state in which the convex portion 45 of the first locking block 41 is in contact with the convex portion 45 of the second locking block 42, and the gap between the second locking block 42 and the guide portion 33 in the unlocked state is greater than the gap between the second locking block 42 and the guide portion 33 in the locked state.

[0043] It should be noted that there should be a certain gap between the second locking block 42 and the guide portion 33 to facilitate the relative movement between the insertion rod 13 and the guide portion 33 in the unlocked state. This gap can be 2 mm to 4 mm. That is to say, when locking, a handle 46 is set through the side wall of the first locking block 41. The user rotates the handle 46, thereby driving the first locking block 41 to rotate relative to the second locking block 42, so that the protrusion 45 of the first locking block 41 gradually approaches the protrusion 45 of the second locking block 42. The extrusion between the two protrusions 45 causes the second locking block 42 to move slightly toward the guide portion 33 and gradually narrow the gap between the two, thereby squeezing the guide portion 33, realizing the abutment between the guide portion 33 and the locking assembly 40, and achieving the locking effect.

[0044] Of course, in order to facilitate the smooth switching between the locked state and the unlocked state, taking the first locking block 41 as an example, a relatively smooth arc surface structure can be provided between the convex portion 45 and the concave portion 44 to facilitate the relative movement between the convex portion 45 of the second locking block 42 and the convex portion 45 of the first locking block 41. Moreover, the convex portion 45 and the concave portion 44 referred to here are not simple convex and concave structures, but are like Figure 4 and Figure 5 As shown, relative to the first locking block 41 and the second locking block 42 , the protrusion 45 is a higher portion, while the recess 44 is a lower portion.

[0045] As a preferred implementation of the present application, Figure 1 and Figure 2 As shown, a hinged position 321 is provided at the connection between the connecting rod 32 and the frame 21 of the backrest 20 , and a mounting rod 211 is protruded from the bottom of the frame 21 of the backrest 20 , and the mounting rod 211 is hinged to the hinged position 321 .

[0046] In one embodiment, the structure of the backrest 20 frame 21 may present a structure in which a plurality of cross beams are arranged between two vertical beams. The aforementioned mounting rod 211 structure may be regarded as the lower part of the cross beam structure in the horizontal direction. Figure 1 and Figure 2 As shown, a hinge position 321 is set at the rear of the connecting rod 32. The shape of the hinge position 321 can adopt a common rotating seat structure. Rotating holes are opened on both sides of the rotating seat. A space for accommodating the mounting rod 211 is set between the two side walls of the rotating seat. Rotating holes are also set on both sides of the mounting rod 211, and a rotating shaft is inserted into the rotating holes of the two to realize the hinged connection between the entire backrest 20 and the seat surface assembly 30.

[0047] Furthermore, an installation opening is provided on the outer side wall of the installation rod 211 , and a matching portion 122 is provided on the inner side wall of the armrest 12 close to the backrest 20 , and the matching portion 122 is hinged to the installation opening.

[0048] Among them, Figure 1 As shown, the position of the mounting port referred to here can be set in the area near the middle of the mounting rod 211, and the structure of the matching part 122 can adopt a rotating column structure, which is fixed by threads to realize a structure in which the mounting port of the backrest 20 rotates relative to the rotating column of the matching part 122.

[0049] Further, such as Figure 4 and Figure 5 As shown, the insertion rod 13 is threadedly connected to the mounting piece 43, a pad is protruding on the side of the second locking block 42 close to the guide portion 33, and a gasket is provided on the side of the mounting rod 211 close to the second locking block 42, so as to improve the tightness effect through the threaded connection between the mounting piece 43 and the insertion rod 13. On the one hand, the setting of the gasket can provide friction to reduce the movement of the seat panel 31 in the unlocked state. On the other hand, the setting of the gasket and the pad can reduce the wear between the mounting rod 211 and the second locking block 42 and the guide portion 33, thereby ensuring smooth sliding.

[0050] It is understandable that the friction between the gasket and the pad, as well as the rotational resistance between the mounting port and the rotating column should be set slightly larger, so that the entire backrest 20 can only be rotated and swung under a certain force. In this way, students can only achieve the rotation adjustment of the backrest 20 by pushing the backrest 20 with a certain force or by using their backs to push against the backrest 20. In the absence of force, the backrest 20 is prevented from rotating backward as much as possible to ensure reliability of use.

[0051] Optionally, in the sitting state, the backrest 20 is perpendicular to the seat assembly 30, and in the lying state, the backrest 20 is tilted backward relative to the seat assembly 30, an obtuse angle is formed between the seat assembly 30 and the backrest 20, and the lateral distance between the seat panel 31 and the rear end of the armrest 12 is greater than the lateral distance between the seat panel 31 and the rear end of the armrest 12 in the sitting state.

[0052] In the specific use process, such as Figures 1 to 5As shown, the chair is in a sitting state during normal classes. At this time, the locking assembly 40 should be in a locked state to improve the stability of the chair during use. When the class is over and a break is needed, the user can sit on the seat panel 31 and turn the handle 46 at the first locking block 41 by hand to turn the first locking block 41. At this time, the first locking block 41 gradually changes from a locked state to an unlocked state. The user can press the backrest 20 with his back against the backrest 20 or stand up and press the backrest 20 by hand to make the backrest 20 swing backward. The backrest 20 can use the mounting port and the matching portion 122 as the rotating axis to drive the hinge between the mounting rod 211 and the connecting rod 32. While the backrest 20 gradually tilts backward, the mounting rod 211 The bottom end also gradually moves horizontally forward, and drives the connecting rod 32 to move horizontally forward. Due to the structure of the insertion rod 13 arranged at the armrest 12 and the strip groove structure at the guide part 33 at the bottom of the side wall of the connecting rod 32, the entire bottom surface assembly can move along the direction of the strip groove, thereby achieving the backrest 20 not tilting too far backward. Compared with traditional seat structures, such as the student desks and chairs in the utility model patent CN219940019U, the center of rotation of the present application is not at the bottom, so that the backrest 20 can shorten the distance between the backrest 20 and the rear table as much as possible during the adjustment of the backrest 20, reduce the influence between the front seat and the rear table, realize the transformation from seat to recliner, easy to use, and improve the rest quality of the user.

[0053] It should be noted that when used in school, since there is often a large space under the desk hole, moving the seat assembly 30 forward will not affect the user's normal rest. In order to further improve the quality of rest, an auxiliary support plate can be provided in front of the seat panel 31. The auxiliary support plate can be hinged to the seat panel 31 to lift the auxiliary support plate when it is transformed into a recliner state, so as to facilitate the placement of the user's legs. Of course, the auxiliary support plate can also be directly set at the bottom of the table's legs 11 to achieve the same effect. This structure has already been used in the prior art, so this application will not be described in detail here.

[0054] In addition, although the seat of the present application is called a seat, it is actually a seat and a recliner that can be transformed into each other by adjusting the backrest 20, and its main usage scenario is the classroom, but it can also be used in hospitals, stations, etc.

[0055] Of course, this application mainly introduces the frame part of the seat. When it is officially used, parts such as wooden boards, cushions, wear-resistant structures, etc. will inevitably be added. This is similar to the prior art, and this application does not make a specific description. In addition, for common structures in seats such as legs 11, armrests 12, mounting rods 211, they must be set in pairs of two, and these structures will no longer be described in detail.

[0056] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0057] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0058] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A novel adjustable chair, comprising a base and a backrest, wherein the base comprises legs and armrests, wherein the armrests are arranged on the tops of the legs, and wherein: A seat assembly is arranged between the legs, and the seat assembly includes a seat panel and a connecting rod arranged at the bottom of the seat panel, the backrest includes a backrest frame and a backrest plate, the connecting rod is hinged to the backrest frame, and the backrest frame is hinged to the inner side wall of the armrest, a guide part is arranged at the bottom of one side of the connecting rod close to the inner wall of the armrest, the guide part is provided with a guide position, and the guide position is slidably connected to the inner side wall of the armrest, the adjustable seat has a sitting state and a lying state, and a locking assembly is arranged between the guide position and the inner side wall of the armrest to lock the state of the adjustable seat.

2. A novel adjustable seat as claimed in claim 1, characterized in that: The guiding portion is a guiding plate, and the guiding position is a strip-shaped groove opened on the guiding plate.

3. A novel adjustable seat as claimed in claim 2, characterized in that: An insertion rod is provided at a connection between the handrail and the guide portion, and the insertion rod is inserted into the strip-shaped groove.

4. A novel adjustable seat as claimed in claim 3, characterized in that: The locking assembly includes a first locking block, a second locking block and a mounting member. The first locking block and the second locking block are arranged on the outside of the guide portion, and the mounting member is arranged on the inside of the guide portion and is sleeved on the outer side wall of the insertion rod.

5. A novel adjustable seat as claimed in claim 4, characterized in that: The first locking block is provided with a recess and a protrusion on the side close to the second locking block, and the second locking block is provided with a recess and a protrusion on the side close to the first locking block, and both have an unlocked state in which the recess and the protrusion of the first locking block are respectively in contact with the protrusion and the recess of the first locking block, and a locked state in which the protrusion of the first locking block is in contact with the protrusion of the second locking block.

6. A novel adjustable seat as claimed in claim 5, characterized in that: A gap between the second locking block and the guide portion in an unlocked state is greater than a gap between the second locking block and the guide portion in a locked state.

7. A novel adjustable seat as claimed in claim 6, characterized in that: A hinged position is arranged at the connection between the connecting rod and the backrest frame, and a mounting rod is protrudingly arranged at the bottom of the backrest frame, and the mounting rod is hinged to the hinged position.

8. A novel adjustable seat as claimed in claim 7, characterized in that: The outer side wall of the mounting rod is provided with a mounting opening, and the inner side wall of the armrest close to the backrest is provided with a matching portion, and the matching portion is hinged to the mounting opening.

9. A novel adjustable chair as claimed in claim 8, characterized in that: The insertion rod is provided on the inner side wall of the armrest away from the backrest, and the insertion rod is threadedly connected to the mounting piece. A pad is protruded from the side of the second locking block close to the guide portion, and a gasket is provided on the side of the mounting rod close to the second locking block. A handle is provided on the side wall of the first locking block.

10. A novel adjustable chair as claimed in claim 9, characterized in that: In the sitting state, the backrest is perpendicular to the seat assembly, and in the lying state, the backrest is tilted backward relative to the seat assembly, an obtuse angle is formed between the seat assembly and the backrest, and a lateral distance between the seat panel and the rear end of the armrest is greater than a lateral distance between the seat panel and the rear end of the armrest in the sitting state.

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