Adjustable turnover public chair

Abstract

The utility model belongs to the technical field of public facilities, and particularly relates to an adjustable turnover public chair which comprises a seat frame and a leaning frame, supporting legs are fixedly connected to the periphery of the bottom end of the seat frame, armrest frames are fixedly connected to the two sides of the upper end of the seat frame, and shaft sleeves are fixedly connected to the left side and the right side of the rear end of the seat frame; a leaning frame is arranged on the upper portion of the rear end of the seat frame, and the bottom end of the leaning frame is fixedly connected with a shaft rod. Arc rods are fixedly connected to the two sides of the leaning frame, a plurality of limiting clamping holes are formed in the arc rods, limiting sleeves are fixedly connected to the outer sides of the rear ends of the armrest frames, shaft holes are formed in the outer sides of the rear ends of the armrest frames, open grooves are formed in the upper portions of the rear ends of the armrest frames, and limiting clamping shafts are slidably connected into the shaft holes. According to the multi-angle adjustable backrest, the inclination angle of the backrest frame can be overturned and adjusted, so that the multi-angle comfortable backrest can be conveniently used, and the use is better.

Description

TECHNICAL FIELD

[0001] The utility model belongs to public facilities technical field, concretely relates to a adjustable turnover type public seat. BACKGROUND

[0002] It is very important to provide some resting space for people in public places such as residential area, commercial district, public activity area, tourist area and the like in city, so the corresponding public seat is born, and people can rest, eat, talk and relax, which greatly facilitates people's daily activities, and the backrest part and seat body part of the conventional public seat are fixedly connected (screwed or welded), the angle of the backrest cannot be turned and adjusted as required, and the comfortable backrest of multiple angles cannot be used, so the utility model designs a adjustable turnover type public seat. CONTENT OF UTILITY MODEL

[0003] In order to solve the above problems in the prior art, the utility model provides a adjustable turnover type public seat, which can realize the turnover adjustment of the inclination angle of the backrest to facilitate the comfortable backrest of multiple angles, and is better in use.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a adjustable turnover type public seat, which comprises a seat frame and a backrest, the bottom end of the seat frame is fixedly connected with a supporting leg around, the upper end of the seat frame is fixedly connected with a handrail frame on both sides, and the rear end of the seat frame is fixedly connected with a shaft sleeve on both sides;

[0005] The rear end of the seat frame is provided with the backrest, the bottom end of the backrest is fixedly connected with a shaft rod, and the both ends of the shaft rod are rotationally connected with the shaft sleeve;

[0006] The both sides of the backrest are fixedly connected with an arc rod, a plurality of limiting clamping holes are formed in the arc rod, the rear end of the handrail frame is fixedly connected with a limiting sleeve on the outside, the arc rod is slidingly connected with the limiting sleeve, a shaft hole is formed in the rear end of the handrail frame, a slot is formed in the upper part of the rear end of the handrail frame, the shaft hole is communicated with the slot, a limiting clamping shaft is slidingly connected in the shaft hole, the limiting clamping shaft is clamped and connected with the limiting clamping hole, a push-pull block is slidingly connected in the slot, the push-pull block is fixedly connected with the limiting clamping shaft, a magnetic attraction limiting ring one is fixedly connected on the side of the push-pull block close to the limiting clamping shaft, the magnetic attraction limiting ring one is magnetically connected with the inner wall of the slot, and a magnetic attraction limiting ring two is fixedly connected on the side of the push-pull block away from the limiting clamping shaft.

[0007] As a preferred technical scheme of the utility model, the bottom end of the supporting leg is fixedly connected with a supporting plate.

[0008] As an adjustable flip type public seat preferred technical scheme of the utility model, the horizontal rod is fixedly connected between the front and rear supporting legs and between the left and right supporting legs at the rear end.

[0009] As an adjustable flip type public seat preferred technical scheme of the utility model, the upper end of the handrail frame is fixedly connected with a handrail plate.

[0010] As an adjustable flip type public seat preferred technical scheme of the utility model, the front end outer side of the arc rod is fixedly connected with a limiting shaft.

[0011] As an adjustable flip type public seat preferred technical scheme of the utility model, the rear end bottom of the handrail frame is provided with a water permeable small hole, and the water permeable small hole is communicated with the groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In use, the shaft rod and the shaft sleeve are rotatably connected, so that the backrest can be flipped and adjusted in the inclination angle relative to the seat frame; meanwhile, the arc rod is further arranged on the backrest, the limiting shaft and the push-pull block are further arranged on the handrail frame of the seat frame, and in the process of flipping the backrest relative to the seat frame, the arc rod can slide relative to the limiting sleeve for limiting support, and the limiting shaft is clamped in the corresponding limiting hole of the arc rod by pushing the push-pull block, so that the arc rod is limited and fixed, thereby completing the limiting and fixing of the backrest after flipping and adjusting, and further completing the flipping and adjusting of the inclination angle of the backrest, so that the backrest can be used in multiple angles for comfortable back leaning, and the use is better. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a bottom view structural schematic view of the utility model;

[0017] Figure 3 It is a shaft rod structural schematic view of the utility model;

[0018] Figure 4 It is an arc rod and handrail frame connecting structural schematic view of the utility model;

[0019] Figure 5 It is an arc rod and handrail frame connecting top view structural schematic view of the utility model;

[0020] Figure 6 It is the local section structure schematic view of the arc rod and the handrail frame connection of the utility model;

[0021] Figure 7 It is the limit sleeve structure schematic view of the utility model;

[0022] Figure 8 It is the limit card shaft and the push-pull block connection structure schematic view of the utility model.

[0023] In the drawing: 1, seat frame; 2, support leg; 3, support plate; 4, cross rod; 5, handrail frame; 6, handrail plate; 7, shaft sleeve; 8, backrest; 9, shaft rod; 10, arc rod; 11, limit card hole; 12, limit shaft convex; 13, limit sleeve; 14, shaft hole; 15, slot; 16, limit card shaft; 17, push-pull block; 18, magnetic attraction limit ring one; 19, magnetic attraction limit ring two; 20, water-permeable small hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. EMBODIMENT

[0025] Please refer to Figures 1-8 The utility model provides the following technical scheme: an adjustable overturning public seat, including seat frame 1 and backrest 8;

[0026] The bottom end of seat frame 1 is fixedly connected with support leg 2 around, the bottom end of support leg 2 is fixedly connected with support plate 3, and the front and rear two support legs 2 and the left and right two support legs 2 between the rear end are all fixedly connected with cross rod 4, wherein, support leg 2 is used for the stable support of seat frame 1 bottom four around, and the support area of support leg 2 relative to the ground can be further increased through support plate 3, and cross rod 4 is used for the further reinforced connection of support leg 2;

[0027] The upper end of seat frame 1 is fixedly connected with handrail frame 5 on both sides, and the upper end of handrail frame 5 is fixedly connected with handrail plate 6, wherein, the handrail frame 5 with handrail plate 6 is convenient for the placing of both hands when sitting and leaning, and is convenient for the auxiliary holding of both hands when standing up;

[0028] The rear end upper portion of seat frame 1 is provided with backrest 8;

[0029] Referring to Figure 1 , Figure 2 and Figure 3 , further, the rear end left and right sides of seat frame 1 are fixedly connected with shaft sleeve 7;

[0030] The rear end upper portion of the seat frame 1 is provided with a backrest 8, the bottom end of the backrest 8 is fixedly connected with a shaft rod 9, and both ends of the shaft rod 9 are rotatably connected with the shaft sleeve 7.

[0031] Referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 , further, both sides of the backrest 8 are fixedly connected with arc rods 10, a plurality of limiting clamping holes 11 are formed in the arc rods 10, and a limiting shaft convex 12 is fixedly connected to the outer side of the front end of the arc rod 10, wherein the limiting shaft convex 12 can prevent the arc rod 10 from slipping out of the limiting sleeve 13;

[0032] The outer side of the rear end of the handrail frame 5 is fixedly connected with the limiting sleeve 13, and the arc rod 10 is slidably connected with the limiting sleeve 13. The outer side of the rear end of the handrail frame 5 is provided with a shaft hole 14, and the rear end upper portion of the handrail frame 5 is provided with a slot 15, and the shaft hole 14 communicates with the slot 15. The inside of the shaft hole 14 is slidably connected with a limiting clamping shaft 16, and the limiting clamping shaft 16 is clamped with the limiting clamping hole 11. The inside of the slot 15 is slidably connected with a push-pull block 17, and the push-pull block 17 is fixedly connected with the limiting clamping shaft 16. The side of the push-pull block 17 close to the limiting clamping shaft 16 is fixedly connected with a magnetic attraction limiting ring one 18, and the magnetic attraction limiting ring one 18 is magnetically attracted to the inner wall of the slot 15. The side of the push-pull block 17 away from the limiting clamping shaft 16 is fixedly connected with a magnetic attraction limiting ring two 19. The bottom of the rear end of the handrail frame 5 is provided with a water permeable small hole 20, and the water permeable small hole 20 communicates with the slot 15. Wherein, the limiting clamping shaft 16 can be clamped with the limiting clamping hole 11 corresponding to the arc rod 10 to limit and fix the arc rod 10, and the limiting clamping shaft 16 can be further pushed and pulled by the push-pull block 17. The magnetic attraction limiting ring one 18 or the magnetic attraction limiting ring two 19 is magnetically attracted to the inner wall of the slot 15 to prevent the push-pull block 17 and the limiting clamping shaft 16 from moving after being pushed and pulled. In addition, the water permeable small hole 20 can prevent water and other foreign matters from accumulating in the slot 15.

[0033] In use, the rotation of the shaft 9 and the shaft sleeve 7 allows the backrest 8 to be adjusted in the tilting angle relative to the seat frame 1, and at the same time, the arc rod 10 is further arranged on the backrest 8, the limiting clamping shaft 16 and the push-pull block 17 are further arranged on the handrail frame 5 of the seat frame 1, and in the process of the backrest 8 being flipped relative to the seat frame 1, the arc rod 10 can be limited and supported by sliding relative to the limiting sleeve 13, and further by pushing the push-pull block 17, the limiting clamping shaft 16 is clamped in the corresponding limiting clamping hole 11 of the arc rod 10, so that the arc rod 10 can be limited and fixed, thereby completing the limiting and fixing of the backrest 8 after the adjustment in the tilting angle, and further completing the adjustment in the tilting angle of the backrest 8, so as to be used in multiple angles for comfortable back leaning, and the use is better.

[0034] The use process and working principle of the utility model are as follows: in use, the limiting clamping shaft 16 in the shaft hole 14 is retreated to the side different from the arc rod 10 by the push-pull block 17 in the slot 15, so that one end of the limiting clamping shaft 16 close to the arc rod 10 is out of the limiting clamping hole 11 on the arc rod 10, so as to release the limiting and fixing state of the arc rod 10, and the magnetic attraction limiting ring two 19 on the side different from the limiting clamping shaft 16 of the push-pull block 17 is magnetically attracted and fixed to the inner wall of the slot 15, so as to prevent the push-pull block 17 and the limiting clamping shaft 16 from moving by themselves, and then the rotation of the shaft 9 and the shaft sleeve 7 can be used to adjust the tilting angle of the backrest 8, and in the process, the arc rod 10 can be limited and supported by sliding relative to the limiting sleeve 13, after the backrest 8 is adjusted in the tilting angle, the limiting clamping shaft 16 is moved forward to the side close to the arc rod 10 by the push-pull block 17, so that one end of the limiting clamping shaft 16 close to the arc rod 10 is clamped in the limiting clamping hole 11 corresponding to the arc rod 10, so as to limit and fix the arc rod 10, and further complete the adjustment in the tilting angle of the backrest 8, so as to be used in multiple angles for comfortable back leaning, and the magnetic attraction limiting ring one 18 close to the limiting clamping shaft 16 of the push-pull block 17 is magnetically attracted and fixed to the inner wall of the slot 15, so as to prevent the push-pull block 17 and the limiting clamping shaft 16 from moving by themselves, and further prevent the limiting clamping shaft 16 clamped in the limiting clamping hole 11 from moving by itself.

[0035] In addition, the contents not described in detail in the embodiment are in the category of prior art and common knowledge.

[0036] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An adjustable reversible public seat comprising a seat frame (1) and a back frame (8), characterized in that: The bottom end of the seat frame (1) is fixedly connected with supporting legs (2), the upper end of the seat frame (1) is fixedly connected with armrest frames (5) on both sides, and the rear end of the seat frame (1) is fixedly connected with shaft sleeves (7) on both sides. The rear end of the seat frame (1) is provided with a backrest (8) on the upper part, the bottom end of the backrest (8) is fixedly connected with a shaft rod (9), and both ends of the shaft rod (9) are rotatably connected with the shaft sleeves (7); Both sides of the backrest (8) are fixedly connected with arc rods (10), a plurality of limiting clamping holes (11) are formed in the arc rods (10), the rear end of the armrest frame (5) is fixedly connected with a limiting sleeve (13) on the outer side, the arc rod (10) is slidably connected with the limiting sleeve (13), a shaft hole (14) is formed in the rear end of the armrest frame (5), a slot (15) is formed in the rear end of the armrest frame (5), the shaft hole (14) is in communication with the slot (15), a limiting clamping shaft (16) is slidably connected in the shaft hole (14), the limiting clamping shaft (16) is clamped and connected with the limiting clamping hole (11), a push-pull block (17) is slidably connected in the slot (15), the push-pull block (17) is fixedly connected with the limiting clamping shaft (16), a magnetic attraction limiting ring one (18) is fixedly connected on the side of the push-pull block (17) close to the limiting clamping shaft (16), the magnetic attraction limiting ring one (18) is magnetically attracted to the inner wall of the slot (15), and a magnetic attraction limiting ring two (19) is fixedly connected on the side of the push-pull block (17) away from the limiting clamping shaft (16).

2. An adjustable flip-around public seating according to claim 1, wherein: The bottom end of the supporting leg (2) is fixedly connected with a supporting plate (3).

3. An adjustable flip-around public seating according to claim 1, wherein: The horizontal rods (4) are fixedly connected between the front and rear supporting legs (2) and between the left and right supporting legs (2) at the rear end.

4. An adjustable flip-around public seating according to claim 1, wherein: The upper end of the armrest frame (5) is fixedly connected with an armrest plate (6).

5. An adjustable flip-around public seating according to claim 1, wherein: The front end of the arc rod (10) is fixedly connected with a limiting shaft convex (12) on the outer side.

6. An adjustable flip-around public seating according to claim 1, wherein: A water permeable small hole (20) is formed in the rear end of the armrest frame (5), and the water permeable small hole (20) is in communication with the slot (15).

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