CN220192575U - Chair convenient for rest - Google Patents

Abstract

The utility model discloses a seat convenient for rest, which comprises a seat assembly, a support assembly, a chair back assembly and a head rest; the support assembly is used for supporting the chair seat; the bottom of the seat assembly is obliquely provided with a telescopic mechanism; one end of the telescopic mechanism is connected with the chair back assembly through a rotating mechanism; the rotating mechanism is used for rotationally adjusting and fixing the inclination angle of the chair back assembly; the other end of the telescopic mechanism is provided with a pedal assembly; the chair solves the problems that the existing chair with the angle of the chair back capable of being adjusted is inconvenient to fold and unfold and uncomfortable when being used for a student chair.

Description

Chair convenient for rest

Technical Field

The utility model relates to the technical field of seats, in particular to a seat convenient for rest.

Background

Seats are one of the most common facilities in schools, but the current school seats are simpler in structure and function. And more middle schools now require students to take noon break at noon. The common noon break way is to lie on a desk or lie on a desk, which is not beneficial to good noon break of students and has safety risks. Currently, various seats with adjustable chair back angles are used for school seats in the market, so that students can put down the chair back to lie on the seats for rest in noon break. However, the existing chair with the adjustable chair back angle has the following problems: firstly, the adjusting structure is complex, and the student needs to spend a long time adjusting and fixing the chair back; secondly, the foot rest is not provided or can not be retracted, so that more space is occupied; thirdly, the feet of the existing reclining chair are sagged instead of being lifted by a certain angle when lying down, so that the feet are easy to be numb after the posture is prolonged, and the user cannot get into sleep well.

Disclosure of Invention

The utility model aims to solve the problem that the existing chair with the adjustable chair back angle is inconvenient to fold and unfold when used for a student chair, so that the chair capable of being suitable for students in schools and having convenient rest is needed.

The aim of the utility model is achieved by the following technical scheme: a chair convenient for rest comprises a chair seat assembly, a supporting assembly, a chair back assembly and a head support; the support assembly is used for supporting the chair seat; the bottom of the seat assembly is obliquely provided with a telescopic mechanism; one end of the telescopic mechanism is connected with the chair back assembly through a rotating mechanism; the rotating mechanism is used for rotationally adjusting and fixing the inclination angle of the chair back assembly; the other end of the telescopic mechanism is provided with a pedal assembly;

further, the rotating mechanism comprises a shell, a rotating wheel and a locking component; the rotating wheel is rotatably arranged in the shell through a rotating shaft; the locking component is used for locking the rotating wheel in the shell; the shell is provided with a rotating groove; the rotating wheel is provided with a connecting piece; the connecting piece penetrates through the rotating groove, extends out of the shell and is connected with the chair back assembly;

further, limiting plates are oppositely arranged on two sides of the inner part of the shell; a limiting groove is formed in the limiting plate; a limiting rod is arranged on the rotating wheel; the limiting rods protrude from two ends of the rotating wheel and are blocked in the limiting grooves to move;

further, the locking assembly comprises a locking plate, a locking piece and a handle; the locking plate is rotatably arranged in the shell through a pin shaft; one side of the locking plate extends out of the shell and is connected with a handle; the locking plate is provided with a first locking groove; the limiting plate is provided with a second locking groove; the locking piece passes through the first locking groove and the second locking groove; when in locking, the locking piece is clamped at the intersection of the first locking groove and the second locking groove;

further, the seat assembly includes a seat support and a seat panel thereon; the chair back assembly comprises a chair back support and a chair back panel at one side of the chair back support; the head support comprises a head support frame and a head support panel at one side of the head support frame; the pedal assembly comprises a pedal rod and a pedal plate rotationally sleeved on the pedal rod;

further, the telescopic mechanism comprises a fixed rod and a movable rod; the movable rod is movably retracted in the fixed rod; a limiting snap ring is arranged at one end of the movable rod; the inner wall of the fixed rod is correspondingly provided with a limiting clamping ring provided with a clamping table;

further, the foot rest rod is connected with the movable rod; the fixed rod is obliquely arranged at the bottom of the seat support; the chair back support is connected with the connecting piece; the head support is connected with the chair back support;

the further technical proposal is that the supporting assembly comprises supporting feet and supporting rods arranged on the supporting feet; the support rod comprises a fixed cylinder and a telescopic rod; the telescopic rod is vertically movably arranged in the fixed cylinder; the telescopic rod is provided with a clamping hole; the fixed cylinder is provided with an elastic fastener; the fixing cylinder is also sleeved with a clamping sleeve.

The utility model has the following advantages:

1. the utility model can be used for adjusting and fixing the inclination angle of the chair back assembly through the rotating mechanism when in use, thereby facilitating the students to rest on the chair when resting and improving the comfort and the safety;

2. the telescopic mechanism is obliquely arranged at the bottom of the seat assembly, the pedal assembly connected through the telescopic mechanism can be retracted below the seat assembly when not in use, the space is saved, and when in use, the pedal assembly is pulled out from the bottom of the seat assembly, so that the pedal assembly can raise feet, the phenomenon that the feet are numb due to unsmooth blood circulation is avoided, the ergonomics is more met, and good rest is facilitated.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the present utility model at one view angle.

FIG. 3 is a cross-sectional view of the utility model A-A.

Fig. 4 is a schematic structural view of the rotating mechanism.

Fig. 5 is a schematic structural view of the telescopic mechanism.

FIG. 6 is a schematic view of the internal structure of the support assembly.

In the figure: 1. a seat assembly; 101. a seat support; 102. a seat panel; 2. a support assembly; 201. supporting feet; 202. a support rod; 3. a chair back assembly; 301. a back support; 302. a back panel; 4. a head support; 401. a head support; 402. a head rest panel; 5. a telescoping mechanism; 501. a fixed rod; 502. a movable rod; 6. a rotating mechanism; 7. a pedal assembly; 702. a foot pedal; 8. a housing; 9. a rotating wheel; 10. a rotating shaft; 11. a connecting piece; 12. a limiting plate; 13. a limit groove; 14. a limit rod; 15. a handle; 16. a first locking groove; 17. a second locking groove; 18. a fixed cylinder; 19. a telescopic rod; 20. a clamping hole; 21. an elastic fastener; 22. a card set; 23. a locking plate; 24. and a pin shaft.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1: as shown in fig. 1 to 6, a chair convenient for rest comprises a chair seat assembly 1, a support assembly 2, a chair back assembly 3 and a head rest 4; the support assembly 2 is used for supporting a seat; the bottom of the seat assembly 1 is obliquely provided with a telescopic mechanism 5; one end of the telescopic mechanism 5 is connected with the chair back assembly 3 through a rotating mechanism 6; the rotating mechanism 6 is used for rotationally adjusting and fixing the inclination angle of the chair back assembly 3; the other end of the telescopic mechanism 5 is provided with a pedal assembly 7; the utility model can be used for adjusting and fixing the inclination angle of the chair back assembly 3 through the rotating mechanism 6 when in use, thereby facilitating the rest of students on the chair when resting and improving the comfort and the safety; the telescopic mechanism 5 is obliquely arranged at the bottom of the seat assembly 1, the pedal assembly 7 connected through the telescopic mechanism 5 can be retracted below the seat assembly 1 when not in use, so that the space is saved, and when in use, the pedal assembly 7 is pulled out from the bottom of the seat assembly 1, so that the pedal assembly 7 can lift feet, the phenomenon that the feet are numb due to unsmooth blood circulation is avoided, the ergonomics are more met, and good rest is facilitated.

The rotating mechanism 6 comprises a shell 8, a rotating wheel 9 and a locking component; the rotating wheel 9 is rotatably arranged in the shell 8 through a rotating shaft 10; the locking component is used for locking the rotating wheel 9 in the shell 8; a rotating groove is formed in the shell 8; a connecting piece 11 is arranged on the rotating wheel 9; the connecting piece 11 passes through the rotating groove to extend out of the shell 8 and is connected with the chair back assembly 3; the rotating wheel 9 rotates in the shell 8 to drive the connecting piece 11 on the rotating wheel 9 to rotate, so that the chair back assembly 3 connected with the connecting piece 11 is driven to rotate around the rotating shaft 10, and the angle of the chair back assembly 3 is adjusted; when the chair back assembly rotates to a proper angle, the rotating wheel 9 is locked through the locking component, so that the chair back assembly 3 angle is fixed; the shell 8 is sleeved with the rotating wheel 9 and the locking assembly, so that scratch risks caused by the exposed structures such as the rotating shaft 10 are avoided. In the embodiment, the shell 8 is split left and right and comprises two half shells 8 which are spliced together in a butt joint way through bolts and nuts, the rotating wheel 9 is also split left and right and comprises two wheel bodies which are spliced together in a butt joint way, and the rotating shaft 10 is connected with the shell 8 after passing through the two wheel bodies; the split structure is favorable for disassembly, assembly, overhaul and maintenance.

Limiting plates 12 are oppositely arranged on two sides of the interior of the shell 8; a limiting groove 13 is formed in the limiting plate 12; a limiting rod 14 is arranged on the rotating wheel 9; the limiting rods 14 protrude from two ends of the rotating wheel 9 and are blocked in the limiting grooves 13 to move; in this embodiment, the limiting groove 13 on the limiting plate 12 is an arc groove, which is favorable for the limiting piece to move in the limiting groove 13, and the limiting rod 14 is clamped into the limiting groove 13 to move, which is favorable for limiting the rotation angle of the rotating wheel 9, and meanwhile, improves the rotation stability.

The locking assembly comprises a locking plate 23, a locking member and a handle 15; the locking plate 23 is rotatably arranged in the shell 8 through a pin shaft 24; one side of the locking plate 23 extends out of the shell 8 and is connected with a handle 15; the locking plate 23 is provided with a first locking groove 16; the limiting plate 12 is provided with a second locking groove 17; the locking member passes through the first locking groove 16 and the second locking groove 17; when the locking piece is locked, the locking piece is clamped at the intersection of the first locking groove 16 and the second locking groove 17; in this embodiment, the handle 15 can drive the locking plate 23 to rotate in the housing 8, so as to adjust the position of the intersection of the second locking groove 17 and the first locking groove 16, so that the locking member is clamped at different positions, and the fixing is performed after the angle adjustment is realized.

The seat assembly 1 includes a seat support 101 and a seat panel 102 thereon; the seatback assembly 3 includes a seatback support 301 and a seatback panel 302 on one side thereof; the head rest 4 comprises a head rest 401 and a head rest panel 402 at one side thereof; the pedal assembly 7 comprises a pedal rod and a pedal plate 702 rotatably sleeved on the pedal rod; in this embodiment, the seat support 101 is used to fixedly connect the seat panel 102 and the support assembly 2; the seatback support 301 for supporting a seatback panel 302; the head rest 401 is used for supporting the head rest panel 402, and the pedal rod is used for rotatably mounting the pedal 702; in this embodiment, the seat panel 102, the back panel 302, the head support panel 402 and the foot pedal 702 are all made by integrally forming, so as to avoid the problem of easy falling caused by sticking the panels; the seat panel 102, the back panel 302, the head support panel 402 and the foot pedal 702 are all provided with a plurality of ventilation holes, so that ventilation is improved; the seat panel 102, the back panel 302, the head rest panel 402 and the foot pedal 702 are all designed to be panels with a certain radian, which accords with the ergonomics and improves the comfort of use.

The telescopic mechanism 5 comprises a fixed rod 501 and a movable rod 502; the movable rod 502 is movably accommodated in the fixed rod 501; a limiting snap ring is arranged at one end of the movable rod 502; a limiting clamping ring is correspondingly arranged on the inner wall of the fixed rod 501 and provided with a clamping table; in this embodiment, the movable rod 502 is movably retracted in the fixed rod 501, and when a user needs to use a foot, the movable rod 502 is pulled out from the fixed rod 501 and fixed by the limiting snap ring and the clamping table, so as to avoid the movable rod 502 from falling out from the fixed rod 501.

The foot bar is connected with the movable bar 502; the fixed rod 501 is obliquely arranged at the bottom of the seat support 101; the chair back support 301 is connected with the connecting piece 11; the head rest 401 is connected with the chair back support 301; in this embodiment, the foot rest lever is installed through the movable lever 502, which is beneficial to sleeving the foot pedals 702 at the two ends of the foot rest lever; the fixed rod 501 is connected with the bottom of the seat support 101 in a conventional fixing manner, and after the fixed rod 501 is obliquely arranged, the movable rod 502 is obliquely pulled out, so that the position of the pedal 702 is lifted; the chair back support 301 and the connecting piece 11 adopt a conventional fixed connection mode, so that the rotation of the chair back support 301 is driven when the connecting piece 11 rotates, and the rotation of the chair back panel 302 is driven; in this embodiment, the head rest 401 is connected to the back support 301, so that the head rest 4 is mounted above one side of the back assembly 3, which is convenient for supporting the head when lying down, and improves the comfort level when in use.

The support assembly 2 comprises a support leg 201 and a support rod 202 arranged on the support leg 201; the support bar 202 comprises a fixed cylinder 18 and a telescopic rod 19; the telescopic rod 19 is arranged in the fixed cylinder 18 in an up-and-down movable way; the telescopic rod 19 is provided with a clamping hole 20; the fixed cylinder 18 is provided with an elastic fastener 21; a clamping sleeve member 22 is sleeved in the fixed barrel 18; in this embodiment, the supporting leg 201 is beneficial to being stably placed on the ground, and the supporting rod 202 on the supporting leg 201 is connected with the seat assembly 1, so as to be beneficial to supporting the seat assembly 1; the support rod 202 comprises a structure of the fixed cylinder 18 and the telescopic rod 19, which is beneficial to adjusting the height of the support rod 202, thereby being beneficial to adjusting the height of the seat assembly 1 and adapting to different use requirements; in the embodiment, the elastic fastener 21 comprises a fastening rod, a sleeve and an outer cylinder from inside to outside; a boss is arranged on the fastening rod; the sleeve is provided with a clamping block; the shell is provided with a clamping groove corresponding to the clamping block; the fastening rod is sleeved with a spring; one end of the fastening rod is also connected with a knob, and the knob drives the fastening rod to rotate, extend into the fixed cylinder 18 and be inserted into the clamping hole 20 to lock the clamping hole 20, thereby being beneficial to fastening the telescopic rod 19; the telescopic rod 19 is sleeved with a clamping sleeve, and through holes are formed in the two sides of the clamping sleeve corresponding to the clamping holes 20, so that the fastening rod can enter and lock the clamping holes 20; a claw is also arranged at the edge of the upper end of the clamping sleeve, which is beneficial to stably clamping into the fixed barrel 18.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. A chair convenient for rest comprises a chair seat assembly, a supporting assembly, a chair back assembly and a head support; the method is characterized in that: the support assembly is used for supporting the chair seat; the bottom of the seat assembly is obliquely provided with a telescopic mechanism; one end of the telescopic mechanism is connected with the chair back assembly through a rotating mechanism; the rotating mechanism is used for rotationally adjusting and fixing the inclination angle of the chair back assembly; the other end of the telescopic mechanism is provided with a pedal assembly.

2. The rest-friendly seat according to claim 1, wherein: the rotating mechanism comprises a shell, a rotating wheel and a locking assembly; the rotating wheel is rotatably arranged in the shell through a rotating shaft; the locking component is used for locking the rotating wheel in the shell; the shell is provided with a rotating groove; the rotating wheel is provided with a connecting piece; the connecting piece passes through the rotating groove, extends out of the shell and is connected with the chair back assembly.

3. The rest-friendly seat according to claim 2, wherein: limiting plates are oppositely arranged on two sides of the interior of the shell; a limiting groove is formed in the limiting plate; a limiting rod is arranged on the rotating wheel; the limiting rod protrudes from two ends of the rotating wheel and is clamped in the limiting groove to move.

4. A rest-friendly seat according to claim 3, wherein: the locking assembly comprises a locking plate, a locking piece and a handle; the locking plate is rotatably arranged in the shell through a pin shaft; one side of the locking plate extends out of the shell and is connected with a handle; the locking plate is provided with a first locking groove; the limiting plate is provided with a second locking groove; the locking piece passes through the first locking groove and the second locking groove; when in locking, the locking piece is clamped at the intersection of the first locking groove and the second locking groove.

5. The rest-friendly seat according to claim 1, wherein: the seat assembly includes a seat support and a seat panel thereon; the chair back assembly comprises a chair back support and a chair back panel at one side of the chair back support; the head support comprises a head support frame and a head support panel at one side of the head support frame; the pedal assembly comprises a pedal rod and a pedal plate rotationally sleeved on the pedal rod.

6. The rest-friendly seat according to claim 5, wherein: the telescopic mechanism comprises a fixed rod and a movable rod; the movable rod is movably retracted in the fixed rod; a limiting snap ring is arranged at one end of the movable rod; the inner wall of the fixed rod is correspondingly provided with a limiting clamping ring with a clamping table.

7. The rest-friendly seat according to claim 6, wherein: the foot rest rod is connected with the movable rod; the fixed rod is obliquely arranged at the bottom of the seat support; the chair back support is connected with the connecting piece; the head support is connected with the chair back support.

8. The rest-friendly seat according to claim 1, wherein: the support assembly comprises support legs and support rods arranged on the support legs; the support rod comprises a fixed cylinder and a telescopic rod; the telescopic rod is vertically movably arranged in the fixed cylinder; the telescopic rod is provided with a clamping hole; the fixed cylinder is provided with an elastic fastener; the fixing cylinder is also sleeved with a clamping sleeve.