Folding wooden office chair

Abstract

The utility model discloses a folding wooden office chair, which comprises a main supporting leg and a seat plate rotatably installed on the inner wall of the main supporting leg, an auxiliary supporting leg is rotatably installed on the seat plate, and connecting rods are rotatably installed on the two sides of the auxiliary supporting leg. According to the folding wooden office chair, in the actual use process, the upper end of an operating rod can be pressed, so that the operating rod is rotated, a whole adjusting block is driven by a driving rod to slide towards the outer part of an adjusting head plate, locking teeth can be separated from wavy tooth grooves, and the adjusting head plate can be pushed to slide on the surface of a supporting plate; therefore, the height of the head plate can be controlled and adjusted, the height of the headrest is adjusted, the applicability is better, and adjustment is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to office chair technical field, concretely is a folding wooden office chair. BACKGROUND

[0002] Office chair is the indoor office indispensable sitting tool of office worker, and the comfort of office chair directly influences people's work efficiency and work state, and office chair is various in appearance, material and function, and wooden seat is relatively healthy and comfortable, therefore wooden office chair has always had greater market demand.

[0003] The existing folding wooden office chair generally only has simple folding function, and is inconvenient to adaptively adjust according to the user, so that the applicability is poor, and the head and hand support of the user cannot be well adjusted, therefore, the utility model provides a folding wooden office chair to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a folding wooden office chair, which solves the problems mentioned in the background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a folding wooden office chair, comprising a main supporting leg and a seat plate rotatably installed on the inner wall of the main supporting leg, a vice supporting leg is rotatably installed on the seat plate, a connecting rod is rotatably installed on the two sides of the vice supporting leg, the connecting rod is rotatably connected with the main supporting leg, a supporting plate is fixed on the upper side of the main supporting leg, an adjusting head plate is slidably installed on the surface of the supporting plate, a headrest is fixed in front of the adjusting head plate, a locking assembly is arranged between the supporting plate and the adjusting head plate, the locking assembly is used to lock the adjusting head plate on the surface of the supporting plate to control the height of the adjusting head plate, and an adjustable auxiliary handrail assembly is arranged on the two sides of the inner wall of the main supporting leg.

[0006] Preferably, the locking assembly comprises an adjusting block slidably penetrating the side surface of the adjusting head plate, a locking tooth is fixed on the end of the adjusting block, a wave-shaped tooth groove matched with the locking tooth is formed in the side surface of the supporting plate, a supporting block is fixed on the side surface of the adjusting head plate, a control rod is rotatably installed on the surface of the supporting block, a driving rod is rotatably installed on the surface of the control rod, the driving rod is rotatably connected with the adjusting block, a spring block is fixed in front of the adjusting block, and a locking spring is fixed between the spring block and the adjusting head plate.

[0007] Preferably, the adjustable auxiliary handrail assembly comprises a main handrail plate rotatably installed inside the main supporting leg, a secondary handrail plate slidably installed above the main handrail plate, a sliding groove provided on the main handrail plate and matched with the secondary handrail plate, a lower friction layer provided above the main handrail plate, and an upper friction layer provided below the secondary handrail plate.

[0008] Preferably, the lower friction layer and the upper friction layer are matched with each other, and both the lower friction layer and the upper friction layer are made of rubber.

[0009] Preferably, the secondary handrail plate is positioned by the friction between the lower friction layer and the upper friction layer.

[0010] Preferably, the locking tooth is engaged with the wave-shaped tooth groove under the elastic force of the locking spring, thereby realizing the positioning of the adjusting head plate.

[0011] Preferably, the end of the main supporting leg and the end of the secondary supporting leg are both provided with a threaded adjusting anti-skid sleeve, and the main supporting leg and the secondary supporting leg are both provided with a threaded groove matched with the threaded adjusting anti-skid sleeve.

[0012] Beneficial effects

[0013] The utility model provides a folding wooden office chair, has the following beneficial effects compared with prior art:

[0014] The folding wooden office chair can make the operating rod rotate by pressing the upper end of the operating rod in actual use, drive the whole adjusting block to slide to the outside of the adjusting head plate through the driving rod, make the locking tooth separate from the wave-shaped tooth groove, push the adjusting head plate to slide on the surface of the supporting plate, control the height of the adjusting head plate, adjust the height of the headrest, have better applicability, and the sliding position of the secondary handrail plate is positioned by the friction between the lower friction layer and the upper friction layer, the secondary handrail plate can extend different lengths to be suitable for different people, and the applicability is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the utility model Figure 1 The partial close -up view of A place in the utility model;

[0017] Figure 3 It is the partial structure schematic diagram of the utility model;

[0018] Figure 4 It is the utility model Figure 3 The partial close -up view of B place in the utility model;

[0019] Figure 5 It is partial structure schematic view of the locking assembly of the utility model.

[0020] In the drawing: 1-main support leg, 2-seat plate, 3-secondary support leg, 4-connecting rod, 5-supporting plate, 6-adjusting head plate, 7-headrest, 8-locking assembly, 81-adjusting block, 82-locking tooth, 83-wavy tooth groove, 84-supporting block, 85-operating rod, 86-driving rod, 87-spring block, 88-locking spring, 9-adjustable auxiliary handrail assembly, 91-main handrail plate, 92-secondary handrail plate, 93-lower friction layer, 94-upper friction layer, 95-latching block, 10-threaded adjusting anti-skid sleeve, 11-threaded groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 protection scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a folding wooden office chair, including main support leg 1 and the seat plate 2 of rotation installation in the inner wall of main support leg 1, seat plate 2 is rotationally installed with secondary support leg 3, the both sides of secondary support leg 3 are rotationally installed with connecting rod 4, connecting rod 4 is rotationally connected with main support leg 1, the upper portion of main support leg 1 is fixed with supporting plate 5, the surface of supporting plate 5 is slidably installed with adjusting head plate 6, the front of adjusting head plate 6 is fixed with headrest 7, headrest 7 uses sponge material, can increase the comfort of head when relying, locking assembly 8 is arranged between supporting plate 5 and adjusting head plate 6, locking assembly 8 is used for locking adjusting head plate 6 on the surface of supporting plate 5, to control the height of adjusting head plate 6, the both sides of the inner wall of main support leg 1 are provided with adjustable auxiliary handrail assembly 9, in actual use, seat plate 2 can be turned up, and then make secondary support leg 3 can be folded, so that secondary support leg 3 loses the support to main support leg 1, realizes 1 to the folding of entire office chair.

[0023] In the embodiment, the locking assembly 8 comprises an adjusting block 81 slidingly penetrating the side of the adjusting head plate 6, the end of the adjusting block 81 is fixed with a locking tooth 82, the side of the supporting plate 5 is provided with a wave tooth groove 83 matched with the locking tooth 82, the side of the adjusting head plate 6 is fixed with a supporting block 84, the surface of the supporting block 84 is rotatably installed with a control rod 85, the surface of the control rod 85 is rotatably installed with a driving rod 86, the driving rod 86 is rotatably connected with the adjusting block 81, the front of the adjusting block 81 is fixed with a spring block 87, the spring block 87 is fixed with a locking spring 88 between the adjusting head plate 6, the locking tooth 82 can be engaged with the wave tooth groove 83 under the elastic force of the locking spring 88, so as to realize the positioning of the adjusting head plate 6. In actual use, the upper end of the control rod 85 can be pressed, so that the control rod 85 rotates, and the entire adjusting block 81 is driven to slide outwardly by the driving rod 86, so that the locking tooth 82 can be separated from the wave tooth groove 83, and the adjusting head plate 6 can be pushed to slide on the surface of the supporting plate 5, so as to control the height of the adjusting head plate 6 and realize the adjustment of the height of the headrest 7, which is convenient for different people.

[0024] In the embodiment, the adjustable auxiliary handrail assembly 9 comprises a main handrail plate 91 rotatably installed on the inner side of the main supporting leg 1, the upper side of the main handrail plate 91 is slidingly installed with a secondary handrail plate 92, the secondary handrail plate 92 can slide forward and backward on the main handrail plate 91, the main handrail plate 91 is provided with a sliding groove 96 matched with the secondary handrail plate 92, the upper side of the main handrail plate 91 is provided with a lower friction layer 93, the lower side of the secondary handrail plate 92 is provided with an upper friction layer 94, and the main supporting leg 1 is fixed with a clamping block 95 supporting the main handrail plate 91. The lower friction layer 93 and the upper friction layer 94 are matched for use, and both the lower friction layer 93 and the upper friction layer 94 are made of rubber material. The friction between the two is large, the sliding position of the secondary handrail plate 92 is positioned by the friction between the lower friction layer 93 and the upper friction layer 94, and the length of the secondary handrail plate 92 can be controlled to extend to different lengths to adapt to different people. Moreover, the main handrail plate 91 can be folded by rotation, and there is a certain damping when the main handrail plate 91 rotates with the main supporting leg 1, so that the folding and positioning of the main handrail plate 91 are facilitated. The clamping block 95 is arranged to support the main handrail plate 91, so that the arm placed thereon can be stably supported, and the clamping block 95 does not block the seat plate 2, and the seat plate 2 can be smoothly folded upward.

[0025] In the embodiment, the end of the main supporting leg 1 and the end of the secondary supporting leg 3 are provided with a threaded adjusting anti-skid sleeve 10, and the main supporting leg 1 and the secondary supporting leg 3 are provided with a threaded groove 11 matched with the threaded adjusting anti-skid sleeve 10 for use. The anti-skid sleeve 10 is used to increase the friction with the ground, and the detachable connection is realized by cooperation with the threaded groove 11, so that the anti-skid sleeve 10 is convenient to replace and use later.

[0026] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0027] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A folding wooden office chair comprising a main leg (1) and a seat (2) rotatably mounted on the inner wall of the main leg (1), characterized in that: The seat plate (2) is rotatably installed with a secondary support leg (3), both sides of the secondary support leg (3) are rotatably installed with a connecting rod (4), the connecting rod (4) is rotatably connected with the primary support leg (1), the upper side of the primary support leg (1) is fixedly installed with a support plate (5), the surface of the support plate (5) is slidably installed with an adjusting head plate (6), the front side of the adjusting head plate (6) is fixedly installed with a headrest (7), a locking assembly (8) is arranged between the support plate (5) and the adjusting head plate (6), the locking assembly (8) is used for locking the adjusting head plate (6) on the surface of the support plate (5) to control the height of the adjusting head plate (6), and adjustable auxiliary handrail assemblies (9) are arranged on both sides of the inner wall of the primary support leg (1).

2. The folding wooden office chair according to claim 1, characterized in that: The locking assembly (8) comprises an adjusting block (81) slidably penetrating the side of the adjusting head plate (6), the end of the adjusting block (81) is fixedly installed with a locking tooth (82), the side of the support plate (5) is provided with a wave tooth groove (83) matched with the locking tooth (82), the side of the adjusting head plate (6) is fixedly installed with a support block (84), the surface of the support block (84) is rotatably installed with a control rod (85), the surface of the control rod (85) is rotatably installed with a driving rod (86), the driving rod (86) is rotatably connected with the adjusting block (81), the front side of the adjusting block (81) is fixedly installed with a spring block (87), and the spring block (87) is fixedly installed with a locking spring (88) between the adjusting head plate (6).

3. The folding wooden office chair according to claim 1, wherein: The adjustable auxiliary handrail assembly (9) comprises a main handrail plate (91) rotatably installed on the inner side of the primary support leg (1), a secondary handrail plate (92) slidably installed above the main handrail plate (91), a sliding groove (96) matched with the secondary handrail plate (92) formed in the main handrail plate (91), a lower friction layer (93) arranged above the main handrail plate (91), and an upper friction layer (94) arranged below the secondary handrail plate (92).

4. The folding wooden office chair according to claim 3, wherein: The lower friction layer (93) and the upper friction layer (94) are matched for use, and both the lower friction layer (93) and the upper friction layer (94) are made of rubber material.

5. The folding wooden office chair according to claim 3, wherein: The secondary handrail plate (92) is positioned through the friction between the lower friction layer (93) and the upper friction layer (94).

6. The folding wooden office chair according to claim 2, wherein: The locking tooth (82) can be engaged with the wave tooth groove (83) under the elastic force of the locking spring (88), so that the adjusting head plate (6) is positioned.

7. The folding wooden office chair according to claim 1, wherein: Threaded adjusting anti-skid sleeves (10) are arranged at the ends of the primary support leg (1) and the secondary support leg (3), and threaded grooves (11) matched with the threaded adjusting anti-skid sleeves (10) are formed in the primary support leg (1) and the secondary support leg (3).

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