Full-flat reinforced folding chair

Abstract

The utility model belongs to the technical field of leisure chairs, and particularly relates to a full-flat reinforced folding chair, which comprises a seat plate connected with a back plate; the back cushion is arranged on the back plate; the back cushion further comprises a moving mechanism, the moving mechanism comprises a moving cavity, fixing grooves, through grooves, fixing blocks and threaded rods, the two through grooves are formed in the two sides of the back plate respectively, the moving cavity communicates with the through grooves, the multiple fixing grooves are formed in the inner wall of the moving cavity, and the threaded rods are rotated to enable the fixing blocks to be clamped into the fixing grooves from the moving cavity so that the back cushion can be fixed; according to the full-flat reinforced folding chair provided by the utility model, when the position of the back cushion is adjusted, the fixing block moves in the moving cavity, and when the back cushion needs to be fixed, the threaded rod is rotated to enable the fixing block to be clamped into the fixing groove from the moving cavity so as to fix the back cushion, and the position of the back cushion can be adjusted according to personal requirements.

Description

Technical Field

[0001] The utility model belongs to the technical field of leisure chairs, and particularly relates to a fully flat reinforced folding chair. Background Art

[0002] A folding chair is a lightweight and stackable seat. It was initially used for military purposes and is now widely used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places. The materials of folding chairs usually include steel pipes and Oxford cloth or plastic plates. The surface of the steel pipe is treated by spraying plastic, which is rust-proof and beautiful, and mechanical processing of technology mechanics is carried out at important stress-bearing parts, greatly enhancing the bearing capacity. The advantages of folding chairs lie in their lightness and foldability, which can greatly save space and are convenient for carrying. As a lightweight and practical piece of furniture, when using a folding chair, attention needs to be paid to issues such as its stability and service life to give full play to its advantages.

[0003] The utility model with the application number CN201320019083.X discloses a medical folding chair, which includes a box body. A partition is provided on the inner wall of the box body, doors are opened on the front and rear side walls, a connecting plate is hinged to the upper end of the right side wall of the box body, feet are provided at the lower end corners of the connecting plate, and a backrest is hinged to the left side wall of the box body. The backrest is composed of support rods on both sides and a support plate between the support rods. A pillow is provided in the middle of the support plate. The structure of this utility model is reasonably designed. It can be folded up and used as a chair, or used as a bed for patients' family members to visit and rest. In addition, it can also be used to place daily necessities, with strong practicability. The headrest in this utility model is fixed and can only support the head, and the position of the headrest cannot be adjusted according to personal needs. Summary of the Utility Model

[0004] The purpose of the present utility model is to provide a fully flat reinforced folding chair for facilitating the adjustment of the position of the headrest in view of the above existing technical problems.

[0005] In view of this, the present utility model provides a fully flat reinforced folding chair, including: a seat board, the seat board is connected with a back board; a headrest, the headrest is arranged on the back board; and further including: a moving mechanism, the moving mechanism includes a moving cavity, a fixing groove, a through groove, a fixing block and a threaded rod. The two through grooves are respectively opened on both sides of the back board, the moving cavity is communicated with the through groove, and a plurality of fixing grooves are opened on the inner wall of the moving cavity. Rotating the threaded rod makes the fixing block snap into the fixing groove from the moving cavity to fix the headrest; wherein, the moving mechanism is arranged on the back board.

[0006] In this technical solution, while adjusting the position of the headrest, the fixing block moves in the moving cavity. When fixation is required, rotating the threaded rod makes the fixing block snap into the fixing groove from the moving cavity to fix the headrest, and the position of the headrest can be adjusted according to personal needs.

[0007] In the above technical solution, further, the moving mechanism further includes: a connecting plate, the top of the connecting plate is fixedly connected to the headrest, and the threaded rod passes through the connecting plate and is threadedly connected to the connecting plate; a knob, the knob is fixedly connected to the threaded rod; wherein, the fixed block is fixedly connected to the inner end of the threaded rod.

[0008] In the above technical solution, further, the backrest adjusts the angle through an adjusting mechanism.

[0009] In the above technical solution, further, the adjusting mechanism includes: a mounting seat, the two mounting seats are respectively fixedly connected to both sides of the bottom end of the seat plate, and the backrest is rotatably connected to the mounting seat; a moving rod, the moving rod is slidably connected in the mounting seat; connecting holes, several of the connecting holes are respectively opened on the moving rod; a fixing bolt, the fixing bolt is threadedly connected to the mounting seat, and the fixing bolt fixes the moving rod and the mounting seat through the connecting hole; a connecting frame, the connecting frame connects the two moving rods, and a clamping groove is opened on the connecting frame; a storage groove, the storage groove is opened on the back surface of the backrest, and a bracket is rotatably connected in the storage groove, and the bracket can be clamped in the clamping groove.

[0010] In the above technical solution, further, several chair legs are respectively arranged at the bottom ends of the mounting seat and the connecting frame, a sleeve is arranged below the mounting seat, a sliding rod is slidably connected in the sleeve, one end of the sleeve is fixedly connected to the chair leg, and one end of the sliding rod is fixedly connected to the opposite chair leg.

[0011] The beneficial effects of the present utility model are:

[0012] 1. While adjusting the position of the headrest, the fixed block moves in the moving cavity. When fixation is required, rotate the threaded rod to make the fixed block snap into the fixed groove from the moving cavity to fix the headrest, and the position of the headrest can be adjusted according to personal needs.

[0013] 2. Drive the threaded rod to rotate by rotating the knob, move the fixed block into the moving cavity to adjust the position of the headrest. After adjusting to the desired position, rotate the knob in the reverse direction to move the fixed block from the moving cavity into the fixed groove through the threaded rod, and fix the headrest through the connecting plate.

[0014] 3. The bracket is clamped in the clamping groove. Move the position of the moving rod in the mounting seat, and the fixing bolts are respectively connected to the connecting holes at different positions to adjust the angle of the backrest. The bracket is stored in the storage groove, and the backrest can be placed flat on the moving rod and the connecting frame. When reading, working or resting, the backrest can be conveniently adjusted to the most comfortable angle.

[0015] 4. The sliding rod can move in the sleeve as the moving rod moves in the mounting seat, and the design of the sleeve and the sliding rod further enhances the overall stability. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of the specific implementation manner of the present invention.

[0018] Figure 2 It is a schematic structural diagram of the threaded rod of the present invention.

[0019] Figure 3 It is a schematic structural diagram of the fixed groove of the present invention.

[0020] Figure 4 It is a schematic structural diagram of the bracket of the present invention.

[0021] Figure 5 It is a schematic structural diagram of the backboard of the present invention placed flat.

[0022] The markings in the figure are shown as:

[0023] 1, seat board; 2, backboard; 3, headrest; 4, moving mechanism; 41, moving cavity; 42, fixed groove; 43, through groove; 44, fixed block; 45, threaded rod; 46, connecting plate; 47, knob; 5, adjusting mechanism; 51, mounting seat; 52, moving rod; 53, connecting hole; 54, fixing bolt; 55, connecting frame; 56, card slot; 57, storage groove; 58, bracket; 6, chair leg; 7, sleeve; 8, sliding rod. Specific implementation manner

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0025] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0026] Embodiment 1:

[0027] The embodiment of the present application provides a fully flat reinforced folding chair, including:

[0028] A seat board 1, and the seat board 1 is connected with a back board 2;

[0029] A headrest 3, and the headrest 3 is arranged on the back board 2;

[0030] A moving mechanism 4, the moving mechanism 4 includes a moving cavity 41, a fixing groove 42, a through groove 43, a fixing block 44 and a threaded rod 45. Two through grooves 43 are respectively opened on both sides of the back board 2, the moving cavity 41 is communicated with the through groove 43, and a plurality of fixing grooves 42 are opened on the inner wall of the moving cavity 41. Rotating the threaded rod 45 makes the fixing block 44 snap into the fixing groove 42 from the moving cavity 41 to fix the headrest 3;

[0031] Among them, the moving mechanism 4 is arranged on the back board 2.

[0032] In this embodiment, referring to Figure 1 、 Figure 2 and Figure 3 As shown, while adjusting the position of the headrest 3, the fixing block 44 moves in the moving cavity 41. When fixing is required, rotating the threaded rod 45 makes the fixing block 44 snap into the fixing groove 42 from the moving cavity 41 to fix the headrest 3. The position of the headrest 3 can be adjusted according to personal needs, which is convenient for adjusting the position of the headrest 3.

[0033] Embodiment 2:

[0034] The embodiment of the present application provides a fully flat reinforced folding chair. In addition to including the technical solutions of the above embodiment, it also has the following technical features. The moving mechanism 4 further includes:

[0035] The connecting plate 46, the top of the connecting plate 46 is fixedly connected to the headrest 3, and the threaded rod 45 passes through the connecting plate 46 and is threadedly connected to the connecting plate 46;

[0036] The knob 47, the knob 47 is fixedly connected to the threaded rod 45, and by rotating the knob 47 to drive the threaded rod 45 to rotate, the fixed block 44 can be moved;

[0037] Wherein, the fixed block 44 is fixedly connected to the inner end of the threaded rod 45.

[0038] In this embodiment, referring to Figure 1 、 Figure 2 and Figure 3 As shown, by rotating the knob 47 to drive the threaded rod 45 to rotate, the fixed block 44 is moved into the moving cavity 41 to adjust the position of the headrest 3. After adjusting to the desired position, rotate the knob 47 in the reverse direction to move the fixed block 44 from the moving cavity 41 into the fixed slot 42 through the threaded rod 45, and the headrest 3 is fixed through the connecting plate 46. The user can easily adjust the position of the headrest 3 according to personal preferences and comfort, improving the convenience and comfort of use.

[0039] Embodiment 3:

[0040] This embodiment provides a fully flat reinforced folding chair. In addition to including the technical solutions of the above embodiments, it also has the following technical features. The backrest 2 is adjusted in angle through the adjusting mechanism 5, and the adjusting mechanism 5 includes:

[0041] The mounting seats 51, two mounting seats 51 are respectively fixedly connected to both sides of the bottom end of the seat board 1, and the backrest 2 is rotatably connected to the mounting seats 51;

[0042] The moving rod 52, the moving rod 52 is slidably connected in the mounting seat 51;

[0043] The connection holes 53, several connection holes 53 are respectively opened on the moving rod 52;

[0044] The fixing bolts 54, the fixing bolts 54 are threadedly connected to the mounting seats 51, and the fixing bolts 54 fix the moving rod 52 and the mounting seats 51 through the connection holes 53;

[0045] The connecting frame 55, the connecting frame 55 connects the two moving rods 52, and a card slot 56 is opened on the connecting frame 55;

[0046] The storage groove 57, the storage groove 57 is opened on the back of the backrest 2, a support 58 is rotatably connected in the storage groove 57, the support 58 can be stored in the storage groove 57, and the support 58 can be clamped in the card slot 56.

[0047] In this embodiment, referring to Figure 1 、 Figure 4 and Figure 5As shown, the bracket 58 is snap-connected in the slot 56. By moving the position of the moving rod 52 in the mounting seat 51, the fixing bolts 54 are respectively connected to the connecting holes 53 at different positions to realize the adjustment of the angle of the backboard 2. The bracket 58 is stored in the storage groove 57, and the backboard 2 can be laid flat on the moving rod 52 and the connecting frame 55. When reading, working or resting, the backboard 2 can be conveniently adjusted to the most comfortable angle, improving the comfort and flexibility of use.

[0048] Embodiment 4:

[0049] This embodiment provides a fully flat reinforced folding chair. In addition to including the technical solutions of the above embodiments, it also has the following technical features. A plurality of chair legs 6 are respectively arranged at the bottoms of the mounting seat 51 and the connecting frame 55. A sleeve 7 is arranged below the mounting seat 51. A sliding rod 8 is slidably connected in the sleeve 7. One end of the sleeve 7 is fixedly connected to the chair leg 6, and one end of the sliding rod 8 is fixedly connected to the opposite chair leg 6. The sliding rod 8 can move in the sleeve 7 as the moving rod 52 moves in the mounting seat 51.

[0050] In this embodiment, referring to Figure 1 、 Figure 4 and Figure 5 As shown, the sliding rod 8 can move in the sleeve 7 as the moving rod 52 moves in the mounting seat 51. The design of the sleeve 7 and the sliding rod 8 further enhances the overall stability.

[0051] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and the features in the embodiments in the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. A fully flat reinforced folding chair, comprising: A seat plate (1), wherein the seat plate (1) is connected to a back plate (2); A backrest pillow (3), wherein the backrest pillow (3) is arranged on the backboard (2); It is characterized by further comprising: A moving mechanism (4), the moving mechanism (4) comprising a moving cavity (41), a fixing groove (42), a through groove (43), a fixing block (44) and a threaded rod (45), two through grooves (43) are respectively arranged on both sides of the back plate (2), the moving cavity (41) is connected with the through groove (43), a plurality of fixing grooves (42) are arranged on the inner wall of the moving cavity (41), and the threaded rod (45) is rotated so that the fixing block (44) is inserted from the moving cavity (41) into the fixing groove (42) to fix the pillow (3); Wherein, the moving mechanism (4) is arranged on the back plate (2).

2. A fully flat reinforced folding chair according to claim 1, characterized in that: The moving mechanism (4) further comprises: A connecting plate (46), the top of which is fixedly connected to the pillow (3), and the threaded rod (45) passes through the connecting plate (46) and is threadedly connected to the connecting plate (46); A knob (47), wherein the knob (47) is fixedly connected to the threaded rod (45); Wherein, the fixing block (44) is fixedly connected to one end of the inner side of the threaded rod (45).

3. The fully flat reinforced folding chair according to claim 1, characterized in that: The angle of the back plate (2) is adjusted by an adjustment mechanism (5).

4. A fully flat reinforced folding chair according to claim 3, characterized in that: The regulating mechanism (5) comprises: A mounting seat (51), wherein the two mounting seats (51) are respectively fixedly connected to two sides of the bottom end of the seat plate (1), and the back plate (2) is rotatably connected to the mounting seats (51); A moving rod (52), wherein the moving rod (52) is slidably connected in the mounting seat (51); Connecting holes (53), a plurality of connecting holes (53) are respectively provided on the moving rod (52); A fixing bolt (54), wherein the fixing bolt (54) is threadedly connected to the mounting seat (51), and the fixing bolt (54) fixes the moving rod (52) and the mounting seat (51) through the connecting hole (53); A connecting frame (55), the connecting frame (55) connecting the two moving rods (52), and a card slot (56) is provided on the connecting frame (55); A storage groove (57) is provided on the back side of the back plate (2). A bracket (58) is rotatably connected in the storage groove (57). The bracket (58) can be snapped into the snapping groove (56).

5. The fully flat reinforced folding chair according to claim 4, characterized in that: A plurality of chair legs (6) are respectively arranged at the bottom ends of the mounting seat (51) and the connecting frame (55); a sleeve (7) is arranged below the mounting seat (51); a sliding rod (8) is slidably connected inside the sleeve (7); one end of the sleeve (7) is fixedly connected to the chair leg (6); and one end of the sliding rod (8) is fixedly connected to the opposite chair leg (6).

Images