Folding chair convenient to store

Abstract

The utility model discloses a folding chair convenient to store. The folding chair comprises a supporting plate used for installation, wheels fixedly installed at the lower end of the supporting plate and a sliding groove formed in the upper end of the supporting plate. The device further comprises a first connecting rod, the lower end of the first connecting rod is fixedly connected with the interior of the sliding groove, a second connecting rod is connected to the front side of the first connecting rod, a third connecting rod is connected to the upper end of the first connecting rod, and a fourth connecting rod is connected to the rear end of the third connecting rod. The first connecting rod and the third connecting rod are connected and provided with a fixing rod, a threaded rod is arranged in the middle of the fixing rod, a handle is installed on the right side of the threaded rod, and the upper end of the fourth connecting rod is connected with a first plate. According to the folding chair convenient to store, the height of the chair can be conveniently adjusted according to different requirements, the chair can be stored to reduce the size, the folding chair can be conveniently and rapidly unfolded, and the inclination angle of the backrest of the folding chair can be conveniently adjusted according to requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of folding chairs, in particular to a folding chair which is convenient for storage. Background Art

[0002] Existing folding chairs need to be manually carried from the storage location to the point of use, which wastes a lot of manpower. At the same time, some chairs cannot cater to different types of people, and the backrest tilt angle and chair height cannot be adjusted according to personal preferences. Therefore, a folding chair that can be quickly folded and adjusted in height according to user needs is designed.

[0003] A folding chair that is easy to store is provided with announcement number CN 213046175 U, comprising a first leg, a second leg and a seat. The second leg and the first leg are both hinged to the seat. When the second leg and the first leg are unfolded, the second leg and the first leg support the seat. A sliding rod is retractably provided inside the first leg. A roller is provided at one end of the sliding rod, and a transmission tooth is provided at the other end. One end of the sliding rod on which the roller is provided can extend from the end of the first leg away from the seat. The seat is provided with a rotating shaft, and the seat is hinged to the first leg through the rotating shaft. A gear is provided on the rotating shaft in conjunction with the transmission tooth, so that the gear can drive the roller to extend or retract into the first leg. When the first leg is folded, the gear causes the sliding rod to extend to the outside of the first leg, thereby causing the roller to be exposed from the first leg. The chair is convenient to move.

[0004] The above-mentioned prior art solutions have the following defects: it is not convenient to adjust the height of the chair according to different needs, the chair cannot be stored to reduce the volume, it is not convenient to quickly unfold the folding chair, and it is not convenient to adjust the inclination angle of the folding chair backrest according to needs. Therefore, the utility model provides a folding chair that is easy to store to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a folding chair that is easy to store, so as to solve the problems in the above-mentioned background technology that it is inconvenient to adjust the height of the chair according to different needs, the chair cannot be stored to reduce the volume, the folding chair is not convenient to be quickly unfolded, and the inconvenience is not convenient to adjust the inclination angle of the folding chair back according to needs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a folding chair that is convenient for storage, comprising: a support plate for installation, wheels fixedly installed at the lower end of the support plate, and a slide groove installed at the upper end of the support plate;

[0007] The invention also includes: a first connecting rod, the lower end of the first connecting rod is fixedly connected to the inside of the sliding groove, and the front side of the first connecting rod is connected to the second connecting rod, the upper end of the first connecting rod is connected to the third connecting rod, and the rear end of the third connecting rod is connected to the fourth connecting rod, the first connecting rod and the third connecting rod are connected to a fixing rod, and a threaded rod is provided in the middle of the fixing rod, and a handle is installed on the side of the threaded rod, the upper end of the fourth connecting rod is connected to the first plate, and a connecting block is installed on the left side of the front end of the first plate, the upper end of the connecting block is connected to the fifth connecting rod, and the upper end of the rear side of the fifth connecting rod is connected to the sixth connecting rod, the lower end of the sixth connecting rod is connected to the seventh connecting rod, and the left end of the seventh connecting rod is connected to the eighth connecting rod, the right end of the fifth connecting rod is connected to the fixing block, and the rear end of the fixing block is fixed with the second plate, the middle part of the front end of the second plate is connected to the mounting rod, and a slot is provided at the lower end of the mounting rod, and a slot is provided inside the slot.

[0008] Preferably, the first connecting rod forms a sliding structure inside the sliding groove, and the second connecting rod forms a rotating structure on the front side of the first connecting rod, and the upper end of the first connecting rod and the third connecting rod form a rotating structure.

[0009] Preferably, the fourth connecting rod forms a rotating structure at the rear side of the third connecting rod, and the fixed rod forms a rotating structure at the upper end of the fourth connecting rod.

[0010] Preferably, the first plate forms a rotating structure at the upper end of the fourth connecting rod, and a sliding groove is installed on the left side of the lower end of the first plate.

[0011] Preferably, the fifth connecting rod forms a rotating structure at the upper end of the connecting block, and the fifth connecting rod and the sixth connecting rod form a rotating structure, and the sixth connecting rod and the seventh connecting rod form a rotating structure.

[0012] Preferably, the mounting rod forms a rotating structure at the front and rear ends of the second plate, and the clamping grooves are arranged at equal intervals at the lower end of the mounting rod, and the clamping grooves are connected to the clamping block in a clamping manner.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the folding chair that is easy to store is convenient for adjusting the height of the chair according to different needs, and the chair can be stored to reduce its volume, so that the folding chair can be quickly unfolded and the tilt angle of the folding chair back can be adjusted according to needs;

[0014] 1. A first connecting rod, a second connecting rod and a threaded rod are provided. The threaded rod is rotated to drive the shaft at the connection between the second connecting rod and the fourth connecting rod to move rightward. When the shaft moves, the second connecting rod and the fourth connecting rod are driven to rotate upward, and the second connecting rod and the fourth connecting rod drive the second connecting rod and the third connecting rod to slide rightward inside the slide groove, thereby adjusting the height of the chair, facilitating the adjustment of the height of the chair according to different needs, and storing the chair to reduce its volume;

[0015] 2. A fifth connecting rod, a seventh connecting rod and a fixed block are provided. When the chair needs to be folded and unfolded, the second plate is swung to drive the seventh connecting rod to rotate through the fixed block, and when the seventh connecting rod rotates, the fifth connecting rod, the sixth connecting rod and the eighth connecting rod are driven to rotate at the same time, so that the folding chair is unfolded, which is convenient for realizing rapid unfolding of the folding chair;

[0016] 3. A mounting rod, a slot and a block are provided. When the second plate is unfolded, the mounting rod is rotated to drive the slot and the block to engage, so that the position of the second plate is fixed. Then, the engagement between the slot and the block is adjusted according to needs, so as to adjust the inclination angle of the folding chair back according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0020] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. support plate; 2. wheels; 3. slide groove; 4. first connecting rod; 5. second connecting rod; 6. third connecting rod; 7. fourth connecting rod; 8. fixed rod; 9. threaded rod; 10. handle; 11. first plate; 12. connecting block; 13. fifth connecting rod; 14. sixth connecting rod; 15. seventh connecting rod; 16. eighth connecting rod; 17. fixed block; 18. second plate; 19. mounting rod; 20. slot; 21. block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a folding chair that is easy to store, including a support plate 1, wheels 2, a slide groove 3, a first connecting rod 4, a second connecting rod 5, a third connecting rod 6, a fourth connecting rod 7, a fixing rod 8, a threaded rod 9, a handle 10, a first plate 11, a connecting block 12, a fifth connecting rod 13, a sixth connecting rod 14, a seventh connecting rod 15, an eighth connecting rod 16, a fixing block 17, a second plate 18, a mounting rod 19, a slot 20, and a block 21.

[0024] The lower end of the first connecting rod 4 is fixedly connected to the inside of the slide groove 3, and the front side of the first connecting rod 4 is connected to the second connecting rod 5, the upper end of the first connecting rod 4 is connected to the third connecting rod 6, and the rear end of the third connecting rod 6 is connected to the fourth connecting rod 7, the first connecting rod 4 and the third connecting rod 6 are connected to a fixing rod 8, and a threaded rod 9 is provided in the middle of the fixing rod 8, and a handle 10 is installed on the side of the threaded rod 9, the upper end of the fourth connecting rod 7 is connected to the first plate 11, and a connecting block 12 is installed on the left side of the front end of the first plate 11, and the connecting rod 8 is connected to the third connecting rod 6. The upper end of the connecting block 12 is connected to the fifth connecting rod 13, and the upper rear end of the fifth connecting rod 13 is connected to the sixth connecting rod 14, the lower end of the sixth connecting rod 14 is connected to the seventh connecting rod 15, and the left end of the seventh connecting rod 15 is connected to the eighth connecting rod 16, the right end of the fifth connecting rod 13 is connected to the fixing block 17, and the rear end of the fixing block 17 is fixed with the second plate 18, the front end middle of the second plate 18 is connected to the mounting rod 19, and the lower end of the mounting rod 19 is provided with a slot 20, and the inside of the slot 20 is provided with a blocking block 21.

[0025] like Figure 1 , Figure 2 and Figure 3 As shown, the first connecting rod 4 forms a sliding structure inside the slide groove 3, and the second connecting rod 5 forms a rotating structure on the front side of the first connecting rod 4, and the upper end of the first connecting rod 4 and the third connecting rod 6 form a rotating structure, the fourth connecting rod 7 forms a rotating structure on the rear side of the third connecting rod 6, and the fixed rod 8 forms a rotating structure on the upper end of the fourth connecting rod 7, the first plate 11 forms a rotating structure on the upper end of the fourth connecting rod 7, and the slide groove 3 is installed on the left side of the lower end of the first plate 11.

[0026] like Figure 4As shown, the fifth connecting rod 13 forms a rotating structure at the upper end of the connecting block 12, and the fifth connecting rod 13 and the sixth connecting rod 14 form a rotating structure, and the sixth connecting rod 14 and the seventh connecting rod 15 form a rotating structure.

[0027] like Figure 1 As shown, the mounting rod 19 forms a rotating structure at the front and rear ends of the second plate 18, and the card slots 20 are arranged at equal intervals at the lower end of the mounting rod 19, and the card slots 20 are connected to the card blocks 21 in a snap-fit ​​manner, so as to facilitate the adjustment of the backrest tilt angle according to user needs.

[0028] Working principle: When using this foldable chair that is easy to store, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, first adjust the height of the chair according to user needs, hold the handle 10 to drive the threaded rod 9 to rotate, and the threaded rod 9 rotates to drive the second connecting rod 5 and the fourth connecting rod 7 connecting axis to move to the right, so that when the axis moves, the electric second connecting rod 5 and the fourth connecting rod 7 rotate upward at the same time, and the second connecting rod 5 and the fourth connecting rod 7 drive the first connecting rod 4 and the third connecting rod 6 to slide to the right along the path of the slide groove 3 when the second connecting rod 5 and the fourth connecting rod 7 move. When the required height is adjusted, stop rotating the threaded rod 9, and then flip the second plate 18 upward, and the flip of the second plate 18 drives the seventh connecting rod 15 to rotate through the fixing block 17, and the seventh connecting rod 15 drives the fifth connecting rod 13, the sixth connecting rod 14 and the eighth connecting rod 16 to rotate. When the second plate 18 rotates to a certain angle, the mounting rod 19 is rotated to drive the slot 20 to engage with the block 21, thereby fixing the inclination angle of the second plate 18, and then push the entire chair, and drive the chair to move to the required position through the wheel 2. This is the method of using the folding chair that is easy to store.

[0029] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A folding chair that is easy to store, comprising: A support plate (1) for installation, a wheel (2) fixedly mounted on the lower end of the support plate (1), and a slide groove (3) mounted on the upper end of the support plate (1); It is characterized by further comprising: A first connecting rod (4), the lower end of the first connecting rod (4) is fixedly connected to the inside of the slide groove (3), and the front side of the first connecting rod (4) is connected to the second connecting rod (5), the upper end of the first connecting rod (4) is connected to the third connecting rod (6), and the rear end of the third connecting rod (6) is connected to the fourth connecting rod (7), the first connecting rod (4) and the third connecting rod (6) are connected and installed with a fixed rod (8), and a threaded rod (9) is provided in the middle of the fixed rod (8), and a handle (10) is installed on the side of the threaded rod (9), the upper end of the fourth connecting rod (7) is connected to the first plate (11), and a connecting block is installed on the left side of the front end of the first plate (11) (12), the upper end of the connecting block (12) is connected to a fifth connecting rod (13), and the upper rear end of the fifth connecting rod (13) is connected to a sixth connecting rod (14), the lower end of the sixth connecting rod (14) is connected to a seventh connecting rod (15), and the left end of the seventh connecting rod (15) is connected to an eighth connecting rod (16), the right end of the fifth connecting rod (13) is connected to a fixing block (17), and the rear end of the fixing block (17) is fixed with a second plate (18), the middle part of the front end of the second plate (18) is connected to a mounting rod (19), and a slot (20) is provided at the lower end of the mounting rod (19), and a blocking block (21) is provided inside the slot (20).

2. A folding chair for easy storage according to claim 1, characterized in that: The first connecting rod (4) forms a sliding structure inside the sliding groove (3), and the second connecting rod (5) forms a rotating structure on the front side of the first connecting rod (4), and the upper end of the first connecting rod (4) and the third connecting rod (6) form a rotating structure.

3. The foldable chair for easy storage according to claim 1, characterized in that: The fourth connecting rod (7) forms a rotating structure at the rear side of the third connecting rod (6), and the fixed rod (8) forms a rotating structure at the upper end of the fourth connecting rod (7).

4. The foldable chair for easy storage according to claim 1, characterized in that: The first plate (11) forms a rotating structure at the upper end of the fourth connecting rod (7), and a sliding groove (3) is installed on the left side of the lower end of the first plate (11).

5. The foldable chair for easy storage according to claim 1, characterized in that: The fifth connecting rod (13) forms a rotating structure at the upper end of the connecting block (12), the fifth connecting rod (13) and the sixth connecting rod (14) form a rotating structure, and the sixth connecting rod (14) and the seventh connecting rod (15) form a rotating structure.

6. The foldable chair for easy storage according to claim 1, characterized in that: The mounting rod (19) forms a rotating structure at the front and rear ends of the second plate (18), and the clamping grooves (20) are arranged at equal intervals at the lower end of the mounting rod (19), and the clamping grooves (20) are connected to the clamping block (21) in a clamping manner.

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