Folding desk and chair convenient to carry

Abstract

The utility model relates to the technical field of desks and chairs, and discloses a foldable desk and chair convenient to carry, which comprises a desk main body, supporting legs are fixedly connected to the bottom of the desk main body, reinforcing ribs are fixedly connected to the left side and the right side of the desk main body, and folding mechanisms are arranged on the inner sides of the reinforcing ribs. Fixing mechanisms are arranged on the left side and the right side of the folding mechanism, the folding mechanism comprises an overturning assembly and a reinforcing assembly, and the overturning assembly is arranged on the inner side of the reinforcing rib. According to the folding desk and chair convenient to carry, through the arrangement of the folding mechanism, the seat cushion, a fixing rod and a sleeve, according to specific use requirements, the position of the seat cushion can be turned over, the seat cushion is controlled to be used or retracted so that people can carry the desk and chair conveniently, and in the process of carrying the desk and chair, the seat cushion cannot be kept protruding to hinder carrying personnel; the desk and chair is convenient for workers to carry and store, is simple to operate and is convenient for the workers to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to desk and chair technical field, concretely is a folding desk and chair convenient to carry. BACKGROUND

[0002] Desk and chair are the desk and chair used by students in class, are a kind of desk and chair, also called student desk and chair or school desk and chair, desk and chair on market are mainly used to be placed in classroom, are used to facilitate student to place stationery and book storage and support mechanism, in order to facilitate student to use, generally school will use folding desk and chair.

[0003] According to the "a folding desk and chair convenient to carry (the public number for CN 219762834 U;Application number for 202320842085.2)", the above-mentioned application is optimized to the problem that "desk and chair can only enlarge and reduce the space, the volume cannot be folded and reduced, and the desk and chair is large in size and is a whole structure, if the desk and chair cannot be stored to reduce its volume, it will cause a lot of unnecessary trouble in transportation", but the folding desk and chair in the above-mentioned application, although the basic folding function is realized, there are significant defects.In the operation process, the folding process involves complex disassembly and installation steps, which needs to operate multiple components frequently, consumes a lot of time and energy of the user, and seriously affects the convenience of daily use.In terms of stability, the fixing method used is difficult to withstand the pressure of long-term repeated use, and is easy to loosen after a period of use, resulting in shaking of the desk and chair during use, which has a great safety risk.In terms of space utilization and storage, the design is not fully compact after folding, and the space occupied is still large, and in the carrying process, the components are easy to collide with each other due to lack of effective fixation, causing damage. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a folding desk and chair convenient to carry to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a folding desk and chair convenient to carry, including desk main body, the desk main body bottom is fixedly connected with support leg, the desk main body left and right sides are fixedly connected with reinforcing rib, the reinforcing rib inboard is provided with folding mechanism, the folding mechanism left and right sides are provided with fixed mechanism.

[0006] The folding mechanism includes turnover assembly and reinforcing assembly, the turnover assembly is arranged in the inboard of reinforcing rib, and the reinforcing assembly is arranged in the turnover assembly.

[0007] The fixing mechanism comprises a sliding assembly, a positioning assembly and a locking assembly, the sliding assembly is arranged on the left and right sides of the turnover assembly, the positioning assembly is arranged at the bottom of the sliding assembly, and the locking assembly is arranged in the positioning assembly.

[0008] Preferably, the turnover assembly comprises a fixing rod, the fixing rod is fixedly connected to the inner side of the reinforcing rib, a sleeve is rotationally connected to the outer ring of the fixing rod, a convex rod is fixedly connected to the top of the sleeve, a seat cushion is fixedly connected to the top of the convex rod, a fixing arm is fixedly connected to the front side of the sleeve, and the fixing arm is fixedly connected to the bottom of the seat cushion.

[0009] Preferably, the reinforcing assembly comprises a reinforcing rod, the reinforcing rod is fixedly connected to the inner side of the convex rod and the fixing arm, a support rod is fixedly connected to the top of the reinforcing rod, and the support rod is fixedly connected to the bottom of the seat cushion.

[0010] Preferably, the sliding assembly comprises a sliding rod, the sliding rod is arranged below the sleeve, fixing plates are fixedly connected to the left and right sides of the sliding rod, the fixing plates are fixedly connected to the bottom of the sleeve, a sliding cylinder one is slidingly connected to the outer ring of the sliding rod, a bracket plate is fixedly connected to the outer ring of the sliding cylinder one, a sliding cylinder two is fixedly connected to the top of the bracket plate, and the sliding cylinder two is slidingly connected to the outer ring of the sleeve.

[0011] Preferably, the positioning assembly comprises a clamping bracket, the clamping bracket is fixedly connected to the outer side of the bracket plate, the clamping bracket is clamped to the inner side of the outer ring of the reinforcing rib, a handle is fixedly connected to the inner side of the clamping bracket, and the handle is fixedly connected to the bottom of the bracket plate.

[0012] Preferably, the locking assembly comprises a clamping plate, the clamping plate is clamped to the front side of the clamping bracket, a pull rod is fixedly connected to the front side of the clamping plate, a positioning clamping rod is fixedly connected to the rear side of the clamping plate, the positioning clamping rod is clamped to the clamping bracket and the reinforcing rib, threaded clamping rods are arranged on the upper and lower sides of the positioning clamping rod, the threaded clamping rods are fixedly connected to the rear side of the clamping plate, the threaded clamping rods are clamped to the clamping bracket and the reinforcing rib, nuts are threadedly connected to the outer ring of the threaded clamping rods, the nuts are clamped to the rear side of the clamping bracket, and reinforcing protrusions are fixedly connected to the positions of the outer side of the reinforcing rib corresponding to the positioning clamping rod and the threaded clamping rod.

[0013] Compared with the prior art, the folding desk and chair convenient to carry has the following beneficial effects:

[0014] 1. The folding desk and chair convenient to carry is provided with a folding mechanism, the seat cushion is turned over through the arrangement of the fixing rod and the sleeve, the position of the seat cushion is controlled for use or retraction to facilitate personnel carrying, the seat cushion does not protrude to hinder the carrying personnel in the process of carrying the desk and chair, the desk and chair are convenient for the staff to carry and store, and the operation is simple and convenient for the staff to use.

[0015] 2、The folding desk and chair convenient to carry, through the setting of the positioning mechanism, the staff only needs to start the rotating nut to disassemble and assemble it, can pull the handle to move inwards or outwards, controls whether the clamping frame is clamped to the outside of the reinforcing rib, is convenient for the staff to lock and unlock between the clamping frame and the reinforcing rib, is convenient for the staff to adjust the position state of the cushion, is simple to operate and is convenient for the staff to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment description, obviously, the drawing in the following description is only some embodiments of the utility model, for the ordinary skilled in the art, on the premise of not paying the creative labor, can also obtain other drawings according to these drawings:

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the folding state schematic view of the utility model;

[0019] Figure 3 It is the structure separation view of the utility model;

[0020] Figure 4 It is the folding mechanism partial structure schematic view;

[0021] Figure 5 It is the partial structure schematic view of the utility model;

[0022] Figure 6 It is the partial structure separation view of the utility model;

[0023] Figure 7 It is the positioning mechanism partial structure separation view.

[0024] In the drawing: 1, folding mechanism;11, turnover assembly;1101, fixed rod;1102, sleeve;1103, convex rod;1104, cushion;1105, fixed arm;12, reinforcing assembly;1201, reinforcing rod;1202, support rod;2, fixed mechanism;21, sliding assembly;2101, sliding rod;2102, fixed plate;2103, sliding cylinder one;2104, shelf plate;2105, sliding cylinder two;22, positioning assembly;2201, clamping frame;2202, handle;23, locking assembly;2301, embedded plate;2302, pull rod;2303, positioning clamping rod;2304, threaded clamping rod;2305, nut;2306, reinforcing convex block;3, desk main body;31, support leg;4, reinforcing rib. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0026] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0027] The present application provides a technical scheme:

[0028] Embodiment one

[0029] In combination Figures 1 to 6 A folding desk and chair convenient to carry, comprising a desk main body 3, the bottom of the desk main body 3 is fixedly connected with a supporting leg 31, the left and right sides of the desk main body 3 are fixedly connected with reinforcing ribs 4, the inner side of the reinforcing rib 4 is provided with a folding mechanism 1, and the left and right sides of the folding mechanism 1 are provided with a fixing mechanism 2.

[0030] The folding mechanism 1 comprises a turnover assembly 11 and a reinforcing assembly 12, the turnover assembly 11 is arranged on the inner side of the reinforcing rib 4, and the reinforcing assembly 12 is arranged in the turnover assembly 11.

[0031] The turnover assembly 11 comprises a fixed rod 1101, the fixed rod 1101 is fixedly connected to the inner side of the reinforcing rib 4, a sleeve pipe 1102 is rotatably connected to the outer circle of the fixed rod 1101, a convex rod 1103 is fixedly connected to the top of the sleeve pipe 1102, a seat cushion 1104 is fixedly connected to the top of the convex rod 1103, a fixed arm 1105 is fixedly connected to the front side of the sleeve pipe 1102, and the fixed arm 1105 is fixedly connected to the bottom of the seat cushion 1104; the reinforcing assembly 12 comprises a reinforcing rod 1201, the reinforcing rod 1201 is fixedly connected to the inner sides of the convex rod 1103 and the fixed arm 1105, a supporting rod 1202 is fixedly connected to the top of the reinforcing rod 1201, and the supporting rod 1202 is fixedly connected to the bottom of the seat cushion 1104.

[0032] Further, the seat cushion 1104 can be turned over according to specific use requirements by the arrangement of the fixing rod 1101 and the sleeve 1102, the position of the seat cushion 1104 is controlled for use or retraction to facilitate personnel to carry, so that the seat cushion 1104 does not remain protruding to hinder the carrying personnel during the carrying process of the desk and chair, facilitating the staff to carry and store the desk and chair, and the operation is simple and convenient for the staff to use.

[0033] Embodiment two

[0034] Reference Figures 1 to 7 And on the basis of embodiment one, it is further obtained that the fixing mechanism 2 comprises a sliding assembly 21, a positioning assembly 22 and a locking assembly 23, the sliding assembly 21 is arranged on the left and right sides of the turnover assembly 11, the positioning assembly 22 is arranged at the bottom of the sliding assembly 21, and the locking assembly 23 is arranged in the positioning assembly 22.

[0035] The sliding assembly 21 comprises a sliding rod 2101 arranged below the sleeve 1102, the left and right sides of the sliding rod 2101 are fixedly connected with a fixed plate 2102, the fixed plate 2102 is fixedly connected to the bottom of the sleeve 1102, the outer circle of the sliding rod 2101 is slidingly connected with a sliding cylinder I 2103, the outer circle of the sliding cylinder I 2103 is fixedly connected with a shelf plate 2104, the top of the shelf plate 2104 is fixedly connected with a sliding cylinder II 2105, the sliding cylinder II 2105 is slidingly connected to the outer circle of the sleeve 1102, the positioning assembly 22 comprises a clamping frame 2201 fixedly connected to the outer side of the shelf plate 2104, the clamping frame 2201 is clamped in the inner side of the outer circle of the reinforcing rib 4, the inner side of the clamping frame 2201 is fixedly connected with a handle 2202, the handle 2202 is fixedly connected to the bottom of the shelf plate 2104, the locking assembly 23 comprises an embedded plate 2301 clamped in the front side of the clamping frame 2201, the front side of the embedded plate 2301 is fixedly connected with a pull rod 2302, the rear side of the embedded plate 2301 is fixedly connected with a positioning clamping rod 2303, the positioning clamping rod 2303 is clamped in the clamping frame 2201 and the reinforcing rib 4, the upper and lower sides of the positioning clamping rod 2303 are provided with a threaded clamping rod 2304, the threaded clamping rod 2304 is fixedly connected to the rear side of the embedded plate 2301, the threaded clamping rod 2304 is clamped in the clamping frame 2201 and the reinforcing rib 4, the outer circle of the threaded clamping rod 2304 is threadedly connected with a nut 2305, the nut 2305 is clamped in the rear side of the clamping frame 2201, and the outer side of the reinforcing rib 4 is fixedly connected with a reinforcing protrusion 2306 corresponding to the positions of the positioning clamping rod 2303 and the threaded clamping rod 2304.

[0036] Further, the staff only needs to start the rotating nut 2305 to disassemble it, then pull the handle 2202 to move inward or outward, control whether the clamping frame 2201 is clamped to the outer side of the reinforcing rib 4, facilitate the staff to lock and unlock between the clamping frame 2201 and the reinforcing rib 4, facilitate the staff to adjust the position state of the seat cushion 1104, the operation is simple and convenient for the staff to use.

[0037] In actual operation, when the device is used, when the folding positioning of the seat cushion 1104 is needed, the worker first rotates the left and right nuts 2305, the nuts 2305 rotate and move backward on the outer circle of the threaded clamping rod 2304, and are disconnected from the threaded clamping rod 2304, then the worker can pull the left and right pull rods 2302 forward, the pull rods 2302 drive the positioning clamping rod 2303 and the threaded clamping rod 2304 to move forward, thereby releasing the positioning between the clamping frame 2201 and the reinforcing rib 4, then the worker can move the left and right handles 2202 inward, the handles 2202 drive the clamping frame 2201 to move inward, the clamping frame 2201 moves inward to release the connection with the reinforcing rib 4, thereby releasing the positioning of the sleeve 1102, then the worker can turn the sleeve 1102 to the inside until the clamping frame 2201 is turned upward again and connected with the reinforcing rib 4, at this time the worker holds the handle 2202 and pushes the clamping frame 2201 to move outward, the clamping frame 2201 moves outward to be clamped on the outer circle of the reinforcing rib 4 again, then the worker clamps the panel 2301 on the front side of the clamping frame 2201, so that the positioning clamping rod 2303 and the threaded clamping rod 2304 are clamped in the reinforcing rib 4 and the clamping frame 2201, thereby completing the locking of the position of the clamping frame 2201, finally the worker rotates the nut 2305 to be installed on the outer circle of the threaded clamping rod 2304, until the nut 2305 is clamped on the rear side of the clamping frame 2201, thereby completing the positioning of the turned-over seat cushion 1104, at this time the folding of the seat cushion 1104 is completed, then the worker can carry and store the seat.

[0038] It needs to be noted that, in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the term “includes”, “contains” or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement “includes a...” does not exclude the presence of another same element in the process, method, article or equipment including the element.

Claims

1. A folding desk chair for easy handling, comprising a desk body (3), characterized in that: The desk main body (3) bottom fixedly connected with a supporting leg (31), the desk main body (3) left and right sides fixedly connected with a reinforcing rib (4), the reinforcing rib (4) inside be provided with a folding mechanism (1), the folding mechanism (1) left and right sides be provided with a fixed mechanism (2), The folding mechanism (1) includes a turnover assembly (11) and a reinforcing assembly (12), the turnover assembly (11) is arranged in the inside of reinforcing rib (4), the reinforcing assembly (12) is arranged in the turnover assembly (11); The fixed mechanism (2) includes a sliding assembly (21), a positioning assembly (22) and a locking assembly (23), the sliding assembly (21) is arranged in the left and right sides of turnover assembly (11), the positioning assembly (22) is arranged in the bottom of sliding assembly (21), the locking assembly (23) is arranged in the positioning assembly (22).

2. The foldable school desk and chair of claim 1, wherein: The turnover assembly (11) includes a fixed rod (1101), the fixed rod (1101) is fixedly connected to the inside of reinforcing rib (4), the fixed rod (1101) outer circle rotationally connected with a sleeve (1102), the sleeve (1102) top fixedly connected with a convex rod (1103), the convex rod (1103) top fixedly connected with a seat cushion (1104), the sleeve (1102) front fixedly connected with a fixed arm (1105), the fixed arm (1105) is fixedly connected to the bottom of seat cushion (1104).

3. The foldable school desk and chair of claim 1, wherein: The reinforcing assembly (12) includes a reinforcing rod (1201), the reinforcing rod (1201) is fixedly connected to the inside of convex rod (1103) and fixed arm (1105), the reinforcing rod (1201) top fixedly connected with a support rod (1202), the support rod (1202) is fixedly connected to the bottom of seat cushion (1104).

4. The foldable school desk and chair of claim 1, wherein: The sliding assembly (21) includes a sliding rod (2101), the sliding rod (2101) is arranged below the sleeve (1102), the sliding rod (2101) left and right sides fixedly connected with a fixed plate (2102), the fixed plate (2102) is fixedly connected to the bottom of sleeve (1102), the sliding rod (2101) outer circle slidingly connected with a sliding cylinder one (2103), the sliding cylinder one (2103) outer circle fixedly connected with a shelf plate (2104), the shelf plate (2104) top fixedly connected with a sliding cylinder two (2105), the sliding cylinder two (2105) slidingly connected to the outer circle of sleeve (1102).

5. The foldable school desk and chair of claim 1, wherein: The positioning assembly (22) includes a clamping frame (2201), the clamping frame (2201) is fixedly connected to the outside of shelf plate (2104), the clamping frame (2201) is clamped in the inside of reinforcing rib (4) outer circle, the clamping frame (2201) inside fixedly connected with a handle (2202), the handle (2202) is fixedly connected to the bottom of shelf plate (2104).

6. The foldable school desk and chair of claim 1, wherein: The locking assembly (23) comprises a panel (2301) which is clamped in the front side of the clamping frame (2201), the front side of the panel (2301) is fixedly connected with a pull rod (2302), the rear side of the panel (2301) is fixedly connected with a positioning clamping rod (2303), and the positioning clamping rod (2303) is clamped in the clamping frame (2201) and the reinforcing rib (4).

7. The foldable school desk and chair of claim 6, wherein: Threaded clamping rods (2304) are arranged on the upper and lower sides of the positioning clamping rod (2303), the threaded clamping rods (2304) are fixedly connected to the rear side of the panel (2301), the threaded clamping rods (2304) are clamped in the clamping frame (2201) and the reinforcing rib (4), and nuts (2305) are threadedly connected to the outer circles of the threaded clamping rods (2304), and the nuts (2305) are clamped in the rear side of the clamping frame (2201).

8. The foldable school desk and chair of claim 7, wherein: Reinforcing bosses (2306) are fixedly connected to the outer side of the reinforcing rib (4) corresponding to the positions of the positioning clamping rod (2303) and the threaded clamping rod (2304).

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