Desk

Abstract

The utility model relates to the technical field of furniture, in particular to a desk which comprises two installation frames, hinge pieces are hinged to the two installation frames, four installation blocks are installed on the inner sides of the two installation frames in a sliding mode respectively, two installation rods are installed between the four installation blocks in a rotating mode respectively, a desktop assembly is arranged on the two installation rods, and the desktop assembly is provided with a desktop. The table top assembly comprises a table plate, the bottom face of the table plate is connected with the two mounting rods, and an adjusting plate is rotationally mounted on the table plate. Through cooperation of the mounting frames, the mounting rods, the mounting blocks and the table plate, the two mounting frames form a triangle to fix the table plate, the structure is stable, and the occupied space is small after the table is stored; through the arrangement of the table top assembly, a user can adjust the angle of an adjusting plate by rotating a hand wheel at any time according to own requirements, use by the user is facilitated, and certain functionality is guaranteed while the structure is simple and storage and movement are easy.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a desk. Background Art

[0002] A desk refers to a table used to place books, documents and other study or work supplies. It is usually a piece of furniture with a working surface and storage space, providing people with a comfortable working or learning environment.

[0003] Chinese Patent Publication No. CN103892573A discloses "a multifunctional desk", which includes a table body, a rotating plate, a bracket, and a connecting rod; a cavity is provided on the table body; the bracket is hinged to the connecting rod; the connecting rod is hinged to the side of the table body; both ends of the bracket are provided with a first rotating shaft; the rotating plate is rotatably arranged on the first rotating shaft through a first connecting plate; the first rotating shaft on one side of the rotating plate is fixed to the first connecting plate with a pressing bolt; a first ratchet pawl is arranged on the first connecting plate on the other side of the rotating plate, and a first ratchet wheel is arranged on the first rotating shaft on the other side of the rotating plate; when the first ratchet pawl is inserted into the tooth groove of the first ratchet wheel, the rotating plate is locked; when the rotating plate is not needed, by rotating the connecting rod and the bracket, the rotating plate can be stored in the cavity; the rotating plate of this patent can be stored in the cavity of the table body, and at the same time, the reading rack can be adjusted conveniently in terms of distance and angle; the structure of this patent is simple and practical.

[0004] During the conception process, the applicant retrieved a large number of patent documents on the patent network. For example, Chinese Patent Publication No. CN103892573A discloses "a multifunctional desk". In some cases where it is necessary to frequently change the position of the desk or often need to store the desk, the movement and storage of this desk are relatively inconvenient, resulting in the user consuming more physical strength during the movement and storage process and occupying a relatively large space. Therefore, a desk is proposed to solve the above-mentioned problems. Summary of the Utility Model

[0005] In view of the deficiencies of the prior art, the present utility model provides a desk, which solves the problems proposed in the above background art. In some cases where it is necessary to move the desk in or out frequently, or to store the desk frequently, the movement and storage of the desk are relatively inconvenient, resulting in the user consuming more physical strength during the process of movement and storage, and occupying a relatively large space. To achieve the above objectives, the present utility model is realized through the following technical solutions: A desk includes two mounting brackets, and a hinge member is hinged on the two mounting brackets. Four mounting blocks are respectively slidably mounted on the inner sides of the two mounting brackets. Two mounting rods are respectively rotatably mounted between the four mounting blocks. Four limiting levers are respectively slidably mounted on the four mounting blocks. Four limiting grooves are formed on the two mounting rods, and the four limiting grooves are respectively located on the movement tracks of the four limiting levers. A desktop assembly is arranged on the two mounting rods. The desktop assembly includes a tabletop, and the bottom surface of the tabletop is connected to the two mounting rods. An adjusting plate is rotatably mounted on the tabletop.

[0006] Preferably, two ball sliders are slidably mounted on one of the mounting rods. Ball screws are arranged on the inner walls of the two ball sliders, and a handwheel is arranged at one end of the ball screw.

[0007] Preferably, two thread grooves are arranged on the ball screw, and the two thread grooves are arranged in a mirror image. The two ball sliders are respectively slidably connected to the two thread grooves on the ball screw through balls.

[0008] Preferably, two ejector rods are respectively hinged on the two ball sliders. A sliding block is slidably connected to the bottom surface of the adjusting plate, and both of the ejector rods are hinged to the sliding block.

[0009] Preferably, lighting lamps are mounted on the two mounting brackets, and a protection assembly is arranged on the two mounting brackets. The protection assembly includes two protection plates, and the two protection plates are respectively slidably mounted on the inner walls of the two mounting brackets.

[0010] Preferably, four connecting rods are respectively hinged on the inner side walls of the two sides of the two mounting brackets. Two connecting members are respectively hinged on the four connecting rods. Two transmission rods are respectively connected to the bottoms of the two connecting members.

[0011] Preferably, four pull rods are respectively hinged on the left and right sides of the two protection plates, and the four pull rods are respectively hinged to the two transmission rods.

[0012] As can be seen from the above technical solutions, a desk provided by an embodiment of this specification has at least the following

[0013] Beneficial effects:

[0014] (1) Through the cooperation of the mounting brackets, mounting rods, mounting blocks, and tabletop, the present utility model enables the two mounting brackets to form a triangle to fix the tabletop, with a relatively stable structure. Moreover, the storage and deployment of the two mounting brackets and the tabletop are relatively convenient. After being stored, the occupied space is small, meeting the needs of users who often need to move or store the desk. Through the setting of the desktop assembly, users can adjust the angle of the adjusting plate by rotating the handwheel according to their own needs at any time, which is convenient for users to use. It avoids fatigue caused by the fixed angle of the tabletop during long-term work or study. And customers can adjust the angle of the adjusting plate according to different usage conditions, improving the applicability of the tabletop. While being simple in structure, easy to store and move, it also ensures a certain functionality.

[0015] (2) Through the setting of the lighting lamp and the protection assembly, when users are studying or working, they can turn on the lighting lamp to meet the lighting needs, and it is relatively convenient to use. When the two mounting brackets are closed, the two protection plates will automatically descend and clamp the lighting lamp in the middle to fix and protect the lighting lamp, preventing the lighting lamp from shaking to a certain extent or being damaged by impact during transportation. And during study or work, the two protection plates are located above the lighting lamp and will not block the light. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present utility model and form a part of this application:

[0017] Figure 1 is the external view schematic diagram of the present utility model;

[0018] Figure 2 is the overall structure schematic diagram of the present utility model;

[0019] Figure 3 In the present utility model Figure 2 is the enlarged schematic diagram at position A;

[0020] Figure 4 is the structure schematic diagram of the desktop assembly in the present utility model;

[0021] Figure 5 is the structure schematic diagram of the protection assembly in the present utility model.

[0022] In the figure: 1, mounting bracket; 2, hinge; 3, desktop assembly; 31, tabletop; 32, adjusting plate; 33, ball slider; 34, ejector rod; 35, sliding block; 36, ball screw; 37, handwheel; 4, lighting lamp; 5, protection assembly; 51, protection plate; 52, connecting rod; 53, connecting piece; 54, force transmission rod; 55, pull rod; 6, mounting rod; 7, mounting block; 8, limit lever. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-4As shown, a desk comprises two mounting frames 1, the two mounting frames 1 are hinged with hinges 2, four mounting blocks 7 are slidably mounted on the inner sides of the two mounting frames 1, two mounting rods 6 are rotatably mounted between the four mounting blocks 7, four limit levers 8 are slidably mounted on the four mounting blocks 7, four limit slots are provided on the two mounting rods 6, and the four limit slots are respectively located on the movement tracks of the four limit levers 8. Due to the setting of the hinges 2, the user can manually unfold the two mounting frames 1, and after the two mounting frames 1 are unfolded, the position of the table top 31 is manually adjusted. When the table top 31 moves The table top 31 drives the two mounting rods 6 to move, and the two mounting rods 6 respectively drive the four mounting blocks 7 to slide on the two mounting frames 1. After the table top 31 is adjusted to a suitable position by sliding the four mounting blocks 7, the four limit levers 8 are manually moved so that the four limit levers 8 enter the four limit grooves on the two mounting rods 6 to achieve the limiting effect on the table top 31. When it needs to be stored, the four limit levers 8 are moved so that the limit levers 8 do not contact the limit grooves, and the table top 31 is manually adjusted to a position close to being parallel to the mounting frame 1. At the same time, the two mounting frames 1 are brought together. At this time, the two mounting frames 1 are The frame 1 and the table top 31 can be carried and stored, and are small in size; a desktop assembly 3 is arranged on the two mounting rods 6, and the desktop assembly 3 includes a table top 31, the bottom surface of the table top 31 is connected to the two mounting rods 6, and an adjustment plate 32 is rotatably installed on the table top 31, and two ball sliders 33 are slidably installed on one of the mounting rods 6, and a ball screw 36 is arranged on the inner wall of the two ball sliders 33, and a hand wheel 37 is arranged at one end of the ball screw 36, and the two ball sliders 33 are respectively slidably connected to the two threaded grooves on the ball screw 36 through the balls, and two top rods are respectively hinged on the two ball sliders 33. 34, the bottom surface of the adjustment plate 32 is slidably connected to a sliding block 35, and two push rods 34 are hinged to the sliding block 35. When the user needs to adjust the angle of the table top 31, the user can turn the hand wheel 37. When the hand wheel 37 rotates, it drives the ball screw 36 to rotate. When the ball screw 36 rotates, it drives the two ball sliders 33 to move towards each other through the balls. When the two ball sliders 33 move, they drive the sliding block 35 to move upward through the two push rods 34. During the upward movement of the sliding block 35, the adjustment plate 32 is pushed up, so that the adjustment plate 32 can be adjusted to an angle suitable for the user.

[0026] In this embodiment, through the cooperation of the mounting brackets 1, mounting rods 6, mounting blocks 7, and tabletop 31, the two mounting brackets 1 form a triangle to fix the tabletop 31, with a relatively stable structure. Moreover, the storage and deployment of the two mounting brackets 1 and the tabletop 31 are relatively convenient. After being stored, the occupied space is small, meeting the needs of users who often need to move or store the desk. Through the setting of the desktop assembly 3, the user can adjust the angle of the adjusting plate 32 at any time according to their own needs by rotating the handwheel 37, which is convenient for the user to use and avoids fatigue caused by the fixed angle of the tabletop 31 during long-term work or study. In addition, the customer can adjust the angle of the adjusting plate 32 according to different usage conditions, improving the applicability of the tabletop 31. While being simple in structure and easy to store and move, it ensures a certain degree of functionality.

[0027] Embodiment 2

[0028] Please refer to Figure 5 As shown, lighting lamps 4 are installed on the two mounting brackets 1, and the user can turn on the lighting lamps 4 to meet the lighting requirements. A protection component 5 is provided on the two mounting brackets 1. The protection component 5 includes two protection plates 51. The two protection plates 51 are respectively slidably installed on the inner walls of the two mounting brackets 1. Four connecting rods 52 are respectively hinged on the inner walls on both sides of the two mounting brackets 1. Two connecting pieces 53 are respectively hinged on the four connecting rods 52. The bottom parts of the two connecting pieces 53 are respectively connected with two force transmission rods 54. Four pull rods 55 are respectively hinged on the left and right sides of the two protection plates 51. The four pull rods 55 are respectively hinged with the two force transmission rods 54. During the closing process of the two mounting brackets 1, the two mounting brackets 1 respectively drive the two connecting pieces 53 to move downward through the four connecting rods 52. The two connecting pieces 53 drive the two force transmission rods 54 to move downward. The two force transmission rods 54 drive the two protection plates 51 to move downward through the four pull rods 55. After the two protection plates 51 move downward in place, they are located on the front and back sides of the lighting lamp 4 to fix and protect the lighting lamp 4. When the two mounting brackets 1 are deployed, the two protection plates 51 rise through the cooperation of the pull rods 55, force transmission rods 54, connecting pieces 53, and connecting rods 52 to avoid affecting the light.

[0029] In this embodiment, through the setting of the lighting lamps 4 and the protection component 5, when the user is studying or working, the lighting lamps 4 can be turned on to meet the lighting requirements and are relatively convenient to use. When the two mounting brackets 1 are closed, the two protection plates 51 will automatically descend and clamp the lighting lamp 4 in the middle to fix and protect the lighting lamp 4, preventing the lighting lamp 4 from shaking to a certain extent or being damaged by impact during transportation. Moreover, during study or work, the two protection plates 51 are located above the lighting lamp 4 and will not block the light.

[0030] When a desk of the present utility model is in use, due to the arrangement of the hinge member 2, the user can manually unfold the two mounting brackets 1. After the two mounting brackets 1 are unfolded, the user manually adjusts the position of the table board 31. When the table board 31 moves, the table board 31 drives the two mounting rods 6 to move. The two mounting rods 6 respectively drive the four mounting blocks 7 to slide on the two mounting brackets 1. After adjusting the table board 31 to a suitable position by using the sliding of the four mounting blocks 7, the user manually toggles the four limit levers 8 to make the four limit levers 8 enter the four limit slots on the two mounting rods 6, achieving the limit effect on the table board 31. At this time, it can be used. When storage is needed, the four limit levers 8 are toggled so that the limit levers 8 do not contact the limit slots, and the table board 31 is manually adjusted to a position close to being parallel to the mounting brackets 1. At the same time, the two mounting brackets 1 are brought together. At this time, the two mounting brackets 1 and the table board 31 can be carried and stored, and the volume is relatively small. When the user needs to adjust the angle of the table board 31, the user can rotate the handwheel 37. When the handwheel 37 rotates, it drives the ball screw 36 to rotate. When the ball screw 36 rotates, it drives the two ball sliders 33 to move towards each other through the balls. When the two ball sliders 33 move, they drive the sliding block 35 to move upward through the two ejector rods 34. During the upward movement of the sliding block 35, the adjusting plate 32 is pushed upward, so that the adjusting plate 32 can be adjusted to an angle suitable for the user to use. Through the cooperation of the mounting brackets 1, the mounting rods 6, the mounting blocks 7, and the table board 31, the two mounting brackets 1 form a triangle to fix the table board 31, and the structure is relatively stable. Moreover, the storage and unfolding of the two mounting brackets 1 and the table board 31 are relatively convenient. After being stored, the occupied space is small, meeting the needs of users who often need to move or store the desk. Through the setting of the desktop assembly 3, the user can adjust the angle of the adjusting plate 32 at any time according to their own needs by rotating the handwheel 37, which is convenient for the user to use, avoiding the fatigue caused by the fixed angle of the table board 31 when the user works or studies for a long time. And the customer can adjust the angle of the adjusting plate 32 according to different usage conditions, improving the applicability of the table board 31. While being simple in structure, easy to store and move, it ensures a certain functionality.

[0031] When in use, the user can turn on the lighting lamp 4 to meet the lighting requirements. When the user needs to store it, during the closing process of the two mounting brackets 1, the two mounting brackets 1 respectively drive the two connecting pieces 53 to move downward through the four connecting rods 52. The two connecting pieces 53 drive the two force transmission rods 54 to move downward. The two force transmission rods 54 drive the two protective plates 51 to move downward through the four pull rods 55. After the two protective plates 51 move downward in place, they are located on the front and rear sides of the lighting lamp 4 to fix and protect the lighting lamp 4. When the two mounting brackets 1 are unfolded, the two protective plates 51 rise through the cooperation of the pull rods 55, the force transmission rods 54, the connecting pieces 53, and the connecting rods 52 to avoid affecting the light. Through the setting of the lighting lamp 4 and the protection component 5, when the user is studying or working, the lighting lamp 4 can be turned on to meet the lighting requirements and is relatively convenient to use. When the two mounting brackets 1 are closed, the two protective plates 51 will automatically descend and clamp the lighting lamp 4 in the middle to fix and protect the lighting lamp 4, preventing the lighting lamp 4 from shaking to a certain extent or being damaged by impact during transportation. Moreover, during study or work, the two protective plates 51 are located above the lighting lamp 4 and will not block the light.

[0032] The above embodiments are only used to illustrate the embodiments of the present invention, rather than to limit the embodiments of the present invention. Those of ordinary skill in the relevant technical field can also make various changes and modifications without departing from the spirit and scope of the embodiments of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the embodiments of the present invention. The patent protection scope of the embodiments of the present invention shall be defined by the claims.

Claims

1. A desk, comprising two mounting frames (1), characterized in that: The two mounting frames (1) are hinged with hinged parts (2), four mounting blocks (7) are slidably mounted on the inner sides of the two mounting frames (1), two mounting rods (6) are rotatably mounted between the four mounting blocks (7), four limit levers (8) are slidably mounted on the four mounting blocks (7), four limit grooves are provided on the two mounting rods (6), and the four limit grooves are respectively located on the movement tracks of the four limit levers (8), a desktop assembly (3) is arranged on the two mounting rods (6), and the desktop assembly (3) includes a desktop board (31), the bottom surface of the desktop board (31) is connected to the two mounting rods (6), and an adjustment plate (32) is rotatably mounted on the desktop board (31).

2. A desk according to claim 1, characterized in that: Two ball sliders (33) are slidably mounted on one of the mounting rods (6), the inner walls of the two ball sliders (33) are provided with ball screws (36), and one end of the ball screw (36) is provided with a hand wheel (37).

3. A desk according to claim 2, characterized in that: The ball screw (36) is provided with two thread grooves, and the two thread grooves are arranged in a mirror image. The two ball sliders (33) are slidably connected to the two thread grooves on the ball screw (36) via balls.

4. A desk according to claim 3, characterized in that: Two push rods (34) are respectively hinged on the two ball sliders (33); a sliding block (35) is slidably connected to the bottom surface of the adjustment plate (32); and the two push rods (34) are hinged to the sliding block (35).

5. A desk according to claim 4, characterized in that: The two mounting frames (1) are provided with lighting lamps (4), and the two mounting frames (1) are provided with protection components (5), wherein the protection components (5) include two protection plates (51).

6. A desk according to claim 5, characterized in that: The two protection plates (51) are respectively slidably mounted on the inner walls of the two mounting frames (1), and the inner walls on both sides of the two mounting frames (1) are respectively hinged with four connecting rods (52).

7. A desk according to claim 6, characterized in that: Two connecting pieces (53) are hinged on the four connecting rods (52) respectively, and the bottoms of the two connecting pieces (53) are connected to two force transmission rods (54) respectively.

8. A desk according to claim 7, characterized in that: Four pull rods (55) are respectively hinged on the left and right sides of the two protection plates (51), and the four pull rods (55) are respectively hinged on the two force transmission rods (54).

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