Folding dining chair
By setting slots and buckles on the seat cushion of the folding dining chair, and using the cooperation of the buckles and support rods, the problem of traditional dining chairs being unable to fold and loose after folding is solved, thus achieving overall fixation and portability of the dining chair.
Patent Information
- Application Number
- CN202423320833.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Traditional dining chairs cannot be folded, which makes them take up a lot of space and inconvenient to carry when moving them. Furthermore, when folded, their structure becomes loose and easily deformed.
A folding dining chair was designed. By setting slots and buckles on the seat cushion, and using the cooperation of the buckles and support rods, the dining chair can be fixed in place after folding, preventing loosening and deformation.
This design allows the dining chair to maintain its overall structure after folding, making it easy to carry, preventing loosening and deformation, and improving ease of use.
Smart Images
Figure CN223682192U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of chair, in particular to a kind of folding dining chair. BACKGROUND
[0002] Chair is a kind of seat, usually used in daily life and work, and dining chair is a kind of chair, and traditional dining chair is usually placed in indoor use, and there is no big requirement to dining chair whether with folding function, and with the continuous improvement of people's quality of life, some people will choose outdoor dining or carry out other outdoor activities when resting, and most traditional dining chairs cannot be folded, occupy larger space when moving, are inconvenient to carry, and bring trouble to users. To solve the problem that dining chair cannot be folded, foldable dining chair appears on the market, however, the foldable dining chair sold on the market at present only has folding function, but the overall structure is loose after dining chair is folded, and is easy to deform and shake. SUMMARY
[0003] Therefore, it is necessary to provide a folding dining chair in view of the deficiencies in the prior art.
[0004] A kind of folding dining chair, it includes cushion, backrest, two first support rods, two second support rods, several first fixed heads, two connecting head groups, first horizontal rod, second horizontal rod and third horizontal rod, the first horizontal rod two ends are respectively installed on first support rod by first fixed head, the first horizontal rod passes through seat cushion, cushion can rotate around the axis of first horizontal rod, second horizontal rod two ends are respectively installed on first support rod by first fixed head, third horizontal rod two ends are respectively installed on second support rod by first fixed head, first horizontal rod, second horizontal rod and third horizontal rod are all horizontally arranged, and first horizontal rod is arranged above second horizontal rod;Each group of connecting head groups is connected with the same side first support rod, second support rod and backrest, and the angle between first support rod and second support rod can be adjusted, so that first support rod and second support rod are in open state or folded state, when first support rod and second support rod are in open state, cushion can be buckled on third horizontal rod, and when first support rod and second support rod are in folded state, third horizontal rod and second horizontal rod can be buckled on the upper end surface and back surface of cushion.
[0005] In one embodiment, the upper end surface of the cushion is upturned on both sides, the upper end surface of the cushion is provided with a clamping groove, the bottom surface of the cushion is provided with two buckling rings and two buckles, the two buckling rings are arranged on the rear side of the cushion, and the two buckles are arranged on the front side of the cushion, when folding the chair, the buckle of the cushion is installed in cooperation with the second horizontal rod connecting the two first support rods, and the clamping groove of the cushion is installed in cooperation with the third horizontal rod connecting the two second support rods.
[0006] In one of the embodiments, the clamping ring is provided with a clamping hole, and the clamping holes on the two clamping rings are oppositely arranged in the horizontal direction, and the first horizontal rod passes through the clamping holes on the two clamping rings.
[0007] In one of the embodiments, the buckle comprises two oppositely arranged arc-shaped buckles, and the two buckles enclose a clamping groove with a guide inlet, the groove space of the clamping groove corresponds to the second horizontal rod and the third horizontal rod, the width of the guide inlet is smaller than the outer diameter of the second horizontal rod and the third horizontal rod, and the clamping grooves on the two buckles are oppositely arranged in the horizontal direction.
[0008] In one of the embodiments, the first fixing head is provided with a first through hole penetrating in the vertical direction and a first fixing hole extending horizontally inward from the outer side surface, when the first fixing head is connected with the second supporting rod and the third horizontal rod, the second supporting rod passes through the first through hole, and the end of the third horizontal rod is inserted into the first fixing hole; when the first fixing head is connected with the first supporting rod and the first horizontal rod, the first supporting rod passes through the first through hole, and the end of the first horizontal rod is inserted into the first fixing hole. When the first fixing head is connected with the first supporting rod and the second horizontal rod, the first supporting rod passes through the first through hole, and the end of the second horizontal rod is inserted into the first fixing hole.
[0009] In one of the embodiments, the backrest is provided with a mounting head at both ends, the mounting head is provided with a positioning hole extending inward from the outer side surface, the hole wall of the positioning hole is provided with an internal thread, each group of the connecting head group is provided with a second fixing head, a third fixing head and a locking screw, the second fixing head is provided with a second through hole penetrating in the horizontal direction, the third fixing head is provided with a third through hole penetrating in the horizontal direction, and during assembly, the positioning hole, the second through hole and the third through hole are aligned in the horizontal direction, and the locking screw passes through the third through hole, the second through hole and the internal thread on the hole wall of the positioning hole in sequence from the outside.
[0010] In one of the embodiments, the second fixing head is provided with a second fixing hole extending upward from the bottom, the third fixing head is provided with a third fixing hole extending upward from the bottom, and during assembly, the top end of the first supporting rod is inserted into the second fixing hole of the second fixing head, and the top end of the second supporting rod is inserted into the third fixing hole of the third fixing head.
[0011] The folding dining chair has the advantages that: the clamping groove is arranged on the upper end surface of the cushion, the bottom surface of the cushion is provided with a clamping ring and a buckle, the cushion can rotate around the first horizontal rod through the clamping ring, the buckle of the cushion is installed in cooperation with the second horizontal rod connecting the two first supporting rods when the folding chair is folded, the clamping groove of the cushion is installed in cooperation with the third horizontal rod connecting the two second supporting rods, and then the folded dining chair is installed as a whole, the dining chair is effectively prevented from loosening and deforming, and the dining chair is convenient to carry. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 、 Figure 2The structure schematic diagram of the folding dining chair at different angles after being opened is shown in the figure;
[0013] Figure 3 The structure schematic diagram of the folding dining chair at different angles after being opened is shown in the figure; Figure 1
[0014] Figure 4 The structure schematic diagram of the folding dining chair at different angles after being opened is shown in the figure; Figure 2
[0015] Figure 5 The structure schematic diagram of the folding dining chair at different angles after being opened is shown in the figure; Figure 3
[0016] The structure schematic diagram of the folding dining chair at different angles after being opened is shown in the figure. Figure 6 DETAILED DESCRIPTION
[0017] In order to make the above objects, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application can be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail in order to avoid unnecessarily obscuring the present application. The specific embodiments of the present application are not intended to be exhaustive or to be limited to the precise forms disclosed. The specific embodiments were chosen and described
[0018] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0019] In addition, the terms "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified.
[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0021] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0022] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0023] Please see Figures 1 to 6The utility model provides a kind of folding dining chair, including cushion 10, backrest 20, two first support rod 30, two second support rod 40, several first fixed head 80, two connector head group 90, first cross bar 50, second cross bar 60 and third cross bar 70, the first cross bar 50 two ends are respectively installed on first support rod 30 by first fixed head 80, the first cross bar 50 passes through seat cushion, cushion 10 can rotate around the axis of first cross bar 50, second cross bar 60 two ends are respectively installed on first support rod 30 by first fixed head 80, third cross bar 70 two ends are respectively installed on second support rod 40 by first fixed head 80, first cross bar 50, second cross bar 60 and third cross bar 70 are all horizontally arranged, and first cross bar 50 is located above second cross bar 60.Each group of connector head group 90 connects same side first support rod 30, second support rod 40 and backrest 20, and the angle between first support rod 30 and second support rod 40 can be adjusted, to make first support rod 30 and second support rod 40 be in open state or folding state, when first support rod 30 and second support rod 40 are in open state, cushion 10 can be buckled on third cross bar 70, when first support rod 30 and second support rod 40 are in folding state, third cross bar 70 and second cross bar 60 can be buckled on the upper end surface and back surface of cushion 10.
[0024] The upper end surface of the cushion 10 is upturned on both sides, and the upper end surface of the cushion 10 is provided with a clamping groove 11. The bottom surface of the cushion 10 is provided with two buckle rings 12 and two buckles 13. The two buckle rings 12 are arranged on the rear side of the cushion 10, and the two buckles 13 are arranged on the front side of the cushion 10. The buckle ring 12 is provided with a buckle hole 121, and the buckle holes 121 on the two buckle rings 12 are arranged opposite to each other in the horizontal direction. The first cross bar 50 passes through the buckle holes 121 on the two buckle rings 12. The buckle 13 comprises two arc-shaped clamping pieces 131 arranged opposite to each other, and the two clamping pieces 131 form a clamping groove 133 with an inlet 132. The groove space of the clamping groove 133 corresponds to the second cross bar 60 and the third cross bar 70. The width of the inlet 132 is smaller than the outer diameter of the second cross bar 60 and the third cross bar 70. The clamping grooves 133 on the two buckles 13 are arranged opposite to each other in the horizontal direction.
[0025] The first fixed head 80 is provided with a first through hole 81 penetrating in the vertical direction and a first fixing hole 82 extending horizontally inward from the outer side surface. When the first fixed head 80 is connected to the second support rod 40 and the third cross bar 70, the second support rod 40 passes through the first through hole 81, and the end of the third cross bar 70 is inserted into the first fixing hole 82. When the first fixed head 80 is connected to the first support rod 30 and the first cross bar 50, the first support rod 30 passes through the first through hole 81, and the end of the first cross bar 50 is inserted into the first fixing hole 82. When the first fixed head 80 is connected to the first support rod 30 and the second cross bar 60, the first support rod 30 passes through the first through hole 81, and the end of the second cross bar 60 is inserted into the first fixing hole 82.
[0026] The backrest 20 is provided with mounting heads 21 at both ends, the mounting heads 21 are provided with positioning holes 211 extending from the outer side to the inner side, the hole wall of the positioning holes 211 is provided with internal threads, each group of the connecting head groups 90 is provided with a second fixing head 91, a third fixing head 92 and a locking screw 93, the second fixing head 91 is provided with a second through hole 911 penetrating in the horizontal direction and a second fixing hole 912 extending upward from the bottom, the third fixing head 92 is provided with a third through hole 921 penetrating in the horizontal direction and a third fixing hole 922 extending upward from the bottom, during assembly, the top end of the first supporting rod 30 is inserted into the second fixing hole 912 of the second fixing head 91, the top end of the second supporting rod 40 is inserted into the third fixing hole 922 of the third fixing head 92, the positioning holes 211, the second through holes 911 and the third through holes 921 are aligned in the horizontal direction, and the locking screw 93 passes through the third through hole 921, the second through hole 911 and is mounted on the internal threads of the hole wall of the positioning hole 211 from the outside in sequence.
[0027] In addition, the utility model also includes a plurality of fixed screws, part of the fixed screws further fix the first supporting rod 30, the second supporting rod 40, the first cross rod 50, the second cross rod 60 and the third cross rod 70 to the first fixing head 80, part of the fixed screws further fix the first supporting rod 30 to the second fixing head 91, and part of the fixed screws further fix the second supporting rod 40 to the third fixing head 92.
[0028] When it is needed to open the chair, the angle between the first supporting rod 30 and the second supporting rod 40 is adjusted first, so that the first supporting rod 30 and the second supporting rod 40 are in an open state, the cushion 10 is turned over, the cushion 10 passes between the two second supporting rods 40, and the front end of the cushion 10 is turned over above the third cross rod 70, then the cushion 10 is pressed downward, so that the third cross rod 70 extrudes the two clamping pieces 131 of the buckle 13, the third cross rod 70 is clamped into the buckle groove 133 from the guide entrance 132, and the cushion 10 positions the first cross rod 50 and the third cross rod 70 in the horizontal direction, preventing the first supporting rod 30 and the second supporting rod 40 from rotating relative to each other.
[0029] When it is needed to fold the chair, the angle between the first supporting rod 30 and the second supporting rod 40 is adjusted first, so that the first supporting rod 30 and the second supporting rod 40 are in an open state, the cushion 10 is turned over, the front end of the cushion 10 is turned over below the third cross rod 70, then the cushion 10 is pressed downward, so that the second cross rod 60 extrudes the two clamping pieces 131 of the buckle 13, the second cross rod 60 is clamped into the buckle groove 133 from the guide entrance 132, then the third cross rod 70 and the second supporting rod 40 are pressed downward, so that the third cross rod 70 is clamped into the clamping groove 11 of the cushion 10, and the third cross rod 70 and the clamping groove 11 adopt an interference fit mounting mode.
[0030] The utility model discloses a folding dining chair's beneficial effect lies in: through setting the clamping groove 11 on the cushion 10 upper end surface, the cushion 10 bottom surface is equipped with the snap ring 12 and the buckle 13, the cushion 10 can rotate around the first horizontal pole 50 through the snap ring 12, when folding the chair, the buckle 13 of cushion 10 installs with the second horizontal pole 60 of cooperation of connecting two first support rod 30, the clamping groove 11 of cushion 10 installs with the third horizontal pole 70 of cooperation of connecting two second support rod 40, and then make the dining chair installation into a whole after folding, effectively prevent dining chair loosening and deformation, convenient to carry.
[0031] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not contradict, they should be considered within the scope of the present disclosure.
[0032] The above-described embodiments only express several implementation manners of the present utility model, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present utility model patent. It should be pointed out that for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present utility model, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent should be subject to the appended claims.
Claims
1. A foldable dining chair, characterized in that, The folding chair comprises a seat, a backrest, two first supporting rods, two second supporting rods, a plurality of first fixing heads, two connecting head groups, a first horizontal rod, a second horizontal rod and a third horizontal rod, the first horizontal rod is installed on the first supporting rod through the first fixing head at both ends, the first horizontal rod passes through the seat, the seat can rotate around the axis of the first horizontal rod, the second horizontal rod is installed on the first supporting rod through the first fixing head at both ends, the third horizontal rod is installed on the second supporting rod through the first fixing head at both ends, the first horizontal rod, the second horizontal rod and the third horizontal rod are arranged horizontally, and the first horizontal rod is arranged above the second horizontal rod; each connecting head group is connected with the first supporting rod, the second supporting rod and the backrest on the same side, the angle between the first supporting rod and the second supporting rod can be adjusted, so that the first supporting rod and the second supporting rod are in an open state or a folded state, when the first supporting rod and the second supporting rod are in the open state, the seat can be buckled on the third horizontal rod, and when the first supporting rod and the second supporting rod are in the folded state, the third horizontal rod and the second horizontal rod can be buckled on the upper end surface and the back surface of the seat.
2. The foldable chair according to claim 1, characterized in that The upper end surface of the seat is upturned on both sides, the upper end surface of the seat is provided with a clamping groove on both sides, the bottom surface of the seat is provided with two buckling rings and two buckles, the two buckling rings are arranged on the rear side of the seat, and the two buckles are arranged on the front side of the seat, the buckle of the seat is matched and installed with the second horizontal rod connecting the two first supporting rods, and the clamping groove of the seat is matched and installed with the third horizontal rod connecting the two second supporting rods when the folding chair is folded.
3. The foldable chair according to claim 2, characterized in that The buckling ring is provided with a buckling hole, the buckling holes on the two buckling rings are arranged opposite to each other in the horizontal direction, and the first horizontal rod passes through the buckling holes on the two buckling rings.
4. The foldable chair of claim 2, wherein, The buckle comprises two arc-shaped clamping pieces arranged opposite to each other, the two clamping pieces form a buckling groove with a guide inlet, the groove space of the buckling groove corresponds to the second horizontal rod and the third horizontal rod, the width of the guide inlet is smaller than the outer diameter of the second horizontal rod and the third horizontal rod, and the buckling grooves on the two buckles are arranged opposite to each other in the horizontal direction.
5. The foldable chair of claim 2, wherein, The first fixing head is provided with a first through hole penetrating in the vertical direction and a first fixing hole extending horizontally inward from the outer side surface, when the first fixing head is connected with the second supporting rod and the third horizontal rod, the second supporting rod passes through the first through hole, and the end of the third horizontal rod is inserted into the first fixing hole; when the first fixing head is connected with the first supporting rod and the first horizontal rod, the first supporting rod passes through the first through hole, and the end of the first horizontal rod is inserted into the first fixing hole; when the first fixing head is connected with the first supporting rod and the second horizontal rod, the first supporting rod passes through the first through hole, and the end of the second horizontal rod is inserted into the first fixing hole.
6. The foldable chair of claim 2, wherein, The backrest is provided with a mounting head at both ends, the mounting head is provided with a positioning hole extending inward from the outer side surface, the hole wall of the positioning hole is provided with an internal thread, each connecting head group is provided with a second fixing head, a third fixing head and a locking screw, the second fixing head is provided with a second through hole penetrating in the horizontal direction, the third fixing head is provided with a third through hole penetrating in the horizontal direction, during assembly, the positioning hole, the second through hole and the third through hole are aligned with each other in the horizontal direction, and the locking screw passes through the third through hole, the second through hole and the internal thread on the hole wall of the positioning hole in sequence from the outer side.
7. The foldable chair according to claim 6, characterized in that The second fixing head is provided with a second fixing hole extending upward from the bottom, and the third fixing head is provided with a third fixing hole extending upward from the bottom. When assembled, the top end of the first supporting rod is inserted into the second fixing hole of the second fixing head, and the top end of the second supporting rod is inserted into the third fixing hole of the third fixing head.