Vacuumizing device for compressed sofa

Abstract

The utility model discloses a vacuumizing device for a compressed sofa, which belongs to the technical field of sofa compression and comprises a base and a top plate fixedly mounted at the top of the base. A vacuumizing assembly is arranged at the inner bottom of the base station; a material placing table is fixedly mounted at the top of the base table, and a cylindrical side pressing assembly is arranged on the material placing table; the lower end of the vacuumizing assembly is provided with a top downward pressing assembly used for being matched with the cylindrical side pressing assembly to form a cylinder. A linkage driving assembly is arranged between the base table and the vacuumizing assembly. According to the mode, in the vacuumizing process, the linkage driving assembly drives the cylindrical side pressing assembly and the top downward pressing assembly to operate at the same time, the cylindrical side pressing assembly surrounds the compressed sofa through centering inward shrinkage to form a cylinder, and the top downward pressing assembly presses downwards from the top; the cylindrical side pressing assembly and the top downward pressing assembly are matched to achieve compression shaping operation of the compressed sofa, and the compressed sofa is cylindrical, attractive and easy to transport.

Description

Technical Field

[0001] This utility model relates to the field of sofa compression technology, specifically to a vacuum compression device for sofas. Background Technology

[0002] Compressed sofas are a type of highly elastic furniture that can be compressed significantly, greatly reducing the space they occupy during logistics and transportation.

[0003] Chinese patent CN209337056U discloses a sofa-oriented vacuum compressor, which includes a frame, a first compression plate assembly for compressing sofa cushions slidably connected to the frame, and a second compression plate assembly for compressing sofa backrests slidably connected to the first compression plate assembly. The first and second compression plate assemblies are arranged vertically, and each of the first and second compression plate assemblies is provided with a plurality of suction valve assemblies. Each suction valve assembly is connected to a suction hose, and the suction hose is connected to a suction pump. However, some compressed sofas need to be compressed into a cylindrical shape for storage, and this vacuum compressor cannot meet the compression requirements.

[0004] Based on this, the present invention designs a vacuum extraction device for a compressed sofa to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a vacuum extraction device for compressing sofas.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A vacuum extraction device for a compression sofa includes a base and a top plate fixedly installed on the top of the base;

[0008] The inner bottom of the base is provided with a vacuuming component for vacuuming and compressing the bag containing the compressed sofa.

[0009] A material placement platform is fixedly installed on the top of the base, and a columnar side-pressing component is set on the material placement platform to shape the vacuum-sealed sofa into a cylinder; a top-pressing component is set at the lower end of the top plate to cooperate with the columnar side-pressing component to form a cylinder.

[0010] A linkage drive assembly is provided between the base and the top plate for linking the operation of the cylindrical side pressure assembly and the top pressure assembly.

[0011] Furthermore, the cylindrical side pressure assembly includes an upper sliding groove, a slider, a side pressure plate, and a synchronous drive assembly. Multiple upper sliding grooves are evenly spaced along the radial direction of the material placement platform at the lower end of the platform. The inner wall of the upper sliding groove is slidably connected to the side wall of the slider. A side pressure plate is fixedly installed at the end of the slider away from the material placement platform. The side pressure plate is arc-shaped, and all the side pressure plates are closed on the same circumference.

[0012] Furthermore, the synchronous drive assembly includes a rotating disk, a sliding groove, and a sliding column. The rotating disk is rotatably mounted on the inner top of the base via bearings. A sliding column is fixedly mounted on the lower end of the slider. Multiple sliding grooves, which correspond one-to-one with the sliding columns and are slidably connected and limited, are evenly spaced along the radial direction of the rotating disk.

[0013] Furthermore, bearings are provided on the sidewalls of the sliding column.

[0014] Furthermore, the top pressing assembly includes an upper pressure plate, a lead screw, a threaded sleeve, and a sliding rod. The threaded sleeve is rotatably mounted on the top plate via a bearing. The lead screw is threadedly connected to the inner side of the threaded sleeve, and the lower end of the lead screw is fixedly connected to the upper pressure plate. Several sliding rods are provided, with the lower end of the sliding rod fixedly connected to the upper pressure plate and the upper end of the sliding rod slidingly connected to the top plate for limiting.

[0015] Furthermore, the linkage drive assembly includes a linkage rod, an upper transmission assembly, a lower transmission assembly, and a drive motor. The upper and lower ends of the linkage rod are rotatably connected to the base and the top plate respectively via bearings. A drive shaft is fixedly installed at the lower end of the rotating disk. The drive motor is fixedly connected to the inner wall of the base, and the output end of the drive motor is fixedly connected to the linkage rod via a coupling. The upper end of the linkage rod is connected to the threaded sleeve via the upper transmission assembly, and the lower end of the linkage rod is connected to the drive shaft via the lower transmission assembly.

[0016] Furthermore, the upper and lower transmission components have the same structure.

[0017] Furthermore, both the upper and lower transmission components adopt a belt and pulley drive structure.

[0018] Compared with the prior art, the advantages of this utility model are as follows: In this utility model, after the compressed sofa is put into the packaging bag, it is placed on the material placement table. After the vacuuming end of the vacuuming component is inserted into the bag opening, the bag opening is fixed. The vacuuming component is started to vacuum the bag body to compress the compressed sofa.

[0019] During the vacuuming process, the linkage drive component simultaneously drives the cylindrical side pressure component and the top pressure component. The cylindrical side pressure component centers and shrinks inward to surround the compressed sofa into a cylinder, while the top pressure component presses down from the top. The cylindrical side pressure component and the top pressure component work together to achieve the compression and shaping of the compressed sofa. The compressed sofa is cylindrical after compression, which is aesthetically pleasing and easy to transport. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This utility model relates to a three-dimensional vacuum extraction device for a compressed sofa. Figure 1 ;

[0022] Figure 2 This is a front view of a vacuum extraction device for a compression sofa according to the present invention;

[0023] Figure 3 This utility model relates to a three-dimensional vacuum extraction device for a compressed sofa. Figure 2 ;

[0024] Figure 4 This is a perspective view of the cylindrical side-pressure component of this utility model.

[0025] The labels in the diagram represent:

[0026] 1. Base; 7. Top plate; 2. Vacuum assembly; 21. Vacuum generator; 22. Flexible vent pipe; 23. Rigid vent pipe; 24. Bracket; 25. Clearance groove; 3. Material placement platform; 4. Columnar side pressure assembly; 41. Upper slide groove; 42. Slider; 43. Side pressure plate; 44. Rotary disk; 45. Lower slide groove; 46. Sliding column; 5. Top pressure assembly; 51. Upper pressure plate; 52. Lead screw; 53. Threaded sleeve; 54. Sliding rod; 6. Linkage drive assembly; 61. Linkage rod; 62. Upper transmission assembly; 63. Lower transmission assembly; 64. Drive motor; 65. Drive shaft; 66. Reducer. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0028] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0029] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-4 A vacuuming device for a compressed sofa includes a base 1 and a top plate 7 fixedly installed on the top of the base 1.

[0030] The bottom of the base 1 is provided with a vacuuming assembly 2 for vacuuming and compressing the bag containing the compressed sofa.

[0031] A material placement platform 3 is fixedly installed on the top of the base 1. A columnar side-pressing component 4 is provided on the material placement platform 3 for shaping the vacuum-sealed sofa into a cylinder. A top pressing component 5 is provided at the lower end of the top plate 7 for cooperating with the columnar side-pressing component 4 to form a cylinder.

[0032] A linkage drive assembly 6 is provided between the base 1 and the top plate 7 for linkage drive of the column side pressure assembly 4 and the top pressure assembly 5.

[0033] In this invention, after the compressed sofa is put into the packaging bag, it is placed on the material placement platform 3. The vacuuming end of the vacuuming component 2 is inserted into the bag opening and the bag opening is fixed. The vacuuming component 2 is started to vacuum the bag body to compress the compressed sofa.

[0034] During the vacuuming process, the linkage drive component 6 simultaneously drives the cylindrical side pressure component 4 and the top pressure component 5. The cylindrical side pressure component 4 centers and shrinks inward to surround the compressed sofa into a cylinder, while the top pressure component 5 presses down from the top. The cylindrical side pressure component 4 and the top pressure component 5 work together to achieve the compression and shaping of the compressed sofa. The compressed sofa is cylindrical after compression, which is aesthetically pleasing and easy to transport.

[0035] The cylindrical side pressure assembly 4 includes an upper sliding groove 41, a slider 42, a side pressure plate 43, a rotating disk 44, a lower sliding groove 45, and a sliding column 46. Multiple upper sliding grooves 41 are evenly spaced along the radial direction of the material placement platform 3 at the lower end of the platform. The inner wall of the upper sliding groove 41 is slidably connected to the side wall of the slider 42. A side pressure plate 43 is fixedly installed at the end of the slider 42 away from the material placement platform 3. The side pressure plate 43 is arc-shaped, and all the side pressure plates 43 are on the same circumference when closed.

[0036] The two side pressure plates 43 on the front are equipped with feeding ports. When the side pressure plates 43 are unfolded, the operator can put the material through the feeding ports onto the material placement platform 3.

[0037] The rotating disk 44 is rotatably mounted on the inner top of the base 1 via bearings. The lower end of the slider 42 is fixedly mounted with a sliding column 46. Multiple sliding grooves 45 are evenly spaced along the radial direction of the rotating disk 44, corresponding one-to-one with the sliding column 46 and connected to the sliding grooves in a limited manner.

[0038] Preferably, the side wall of the slide column 46 is provided with a bearing to reduce the friction between the slide column 46 and the lower groove 45.

[0039] The top pressing assembly 5 includes an upper pressure plate 51, a lead screw 52, ​​a threaded sleeve 53, and a slide rod 54. The threaded sleeve 53 is rotatably mounted on the top plate 7 via a bearing. The lead screw 52 is threadedly connected to the inner side of the threaded sleeve 53, and the lower end of the lead screw 52 is fixedly connected to the upper pressure plate 51. Several slide rods 54 are provided. The lower end of the slide rod 54 is fixedly connected to the upper pressure plate 51, and the upper end of the slide rod 54 is slidably connected to the top plate 7.

[0040] The linkage drive assembly 6 includes a linkage rod 61, an upper transmission assembly 62, a lower transmission assembly 63, and a drive motor 64. The upper and lower ends of the linkage rod 61 are rotatably connected to the base 1 and the top plate 7 respectively through bearings. A drive shaft 65 is fixedly installed at the lower end of the rotating disk 44.

[0041] The reducer 66 is fixedly installed on the inner top of the base 1; the drive motor 64 is fixedly connected to the inner wall of the base 1, and the output end of the drive motor 64 is fixedly connected to the linkage rod 61 through a coupling; the upper end of the linkage rod 61 is connected to the threaded sleeve 53 through the upper transmission assembly 62, the lower end of the linkage rod 61 is fixedly connected to the input end of the reducer 66, and the output end of the reducer 66 is connected to the drive shaft 65 through the lower transmission assembly 63.

[0042] The upper transmission assembly 62 and the lower transmission assembly 63 have the same structure, and both the upper transmission assembly 62 and the lower transmission assembly 63 adopt a belt and pulley transmission structure.

[0043] In this utility model, the drive motor 64 drives the linkage rod 61 to rotate. The linkage rod 61 drives the threaded sleeve 53 and the rotating disk 44 to rotate synchronously through the upper transmission assembly 62 and the lower transmission assembly 63. When the rotating disk 44 rotates, it drives the sliding column 46 to move through the lower sliding groove 45. The sliding column 46 drives the slider 42 to move the side pressure plate 43 to center under the limiting action of the upper sliding groove 41. All the side pressure plates 43 retract inward and gradually close. At the same time, when the threaded sleeve 53 rotates, it drives the upper pressure plate 51 to move vertically downward under the limiting action of the sliding rod 54. With the cooperation of the reducer 66, the material platform 3, the side pressure plate 43 and the upper pressure plate 51 retract inward, and finally the compressed sofa is formed into a cylinder.

[0044] The vacuum assembly 2 includes a vacuum generating device 21, a flexible vent pipe 22, a rigid vent pipe 23, and a bracket 24. The vacuum generating device 21 is fixedly installed at the bottom inner part of the base 1, and the bracket 24 is fixedly installed at the top of the base 1. The bracket 24 is provided with a plurality of rigid vent pipes 23 that are slidably connected to the bracket 24. The rigid vent pipes 23 are connected to the vacuum generating device 21 through the flexible vent pipes 22. A clearance groove 25 for accommodating the rigid vent pipes 23 is provided between the two side pressure plates 43 on the front side.

[0045] In this invention, the rigid vent tube 23 can be freely pulled out and extended into or out of the bag containing the compression sofa, effectively facilitating the vacuum packaging operation for the operator.

[0046] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A vacuum extraction device for a compressed sofa, comprising a base (1) and a top plate (7) fixedly installed on the top of the base (1), characterized in that: The base (1) is provided with a vacuum assembly (2) for vacuuming and compressing the bag containing the compressed sofa at its inner bottom. A material placement platform (3) is fixedly installed on the top of the base (1). A columnar side pressing component (4) for shaping the vacuum-sealed sofa into a cylinder is provided on the material placement platform (3). A top pressing component (5) for cooperating with the columnar side pressing component (4) to form a cylinder is provided at the lower end of the top plate (7). A linkage drive assembly (6) is provided between the base (1) and the top plate (7) for linkage drive of the column side pressure assembly (4) and the top pressure assembly (5).

2. The vacuum extraction device for a compressed sofa according to claim 1, characterized in that, The cylindrical side pressure assembly (4) includes an upper sliding groove (41), a slider (42), a side pressure plate (43), and a synchronous drive assembly. Multiple upper sliding grooves (41) are evenly spaced along the radial direction of the material placement platform (3) at the lower end of the material placement platform (3). The inner wall of the upper sliding groove (41) is limited and slidably connected to the side wall of the slider (42). A side pressure plate (43) is fixedly installed at the end of the slider (42) away from the material placement platform (3). The side pressure plate (43) is set to be arc-shaped, and all the side pressure plates (43) are closed on the same circumference.

3. The vacuum extraction device for a compressed sofa according to claim 2, characterized in that, The synchronous drive assembly includes a rotating disk (44), a sliding groove (45), and a sliding column (46). The rotating disk (44) is rotatably mounted on the inner top of the base (1) via a bearing. The lower end of the slider (42) is fixedly mounted with a sliding column (46). Multiple sliding grooves (45) are evenly spaced along the radial direction of the rotating disk (44) and are corresponding to and slidably connected to the sliding columns (46).

4. The vacuum extraction device for a compressed sofa according to claim 3, characterized in that, The side wall of the sliding column (46) is provided with a bearing.

5. The vacuum extraction device for a compressed sofa according to claim 4, characterized in that, The top pressing assembly (5) includes an upper pressure plate (51), a lead screw (52), a threaded sleeve (53), and a slide rod (54). The threaded sleeve (53) is rotatably mounted on the top plate (7) via a bearing. The lead screw (52) is threadedly connected to the inner side of the threaded sleeve (53), and the lower end of the lead screw (52) is fixedly connected to the upper pressure plate (51). Several slide rods (54) are provided. The lower end of the slide rod (54) is fixedly connected to the upper pressure plate (51), and the upper end of the slide rod (54) is limited and slidably connected to the top plate (7).

6. The vacuum extraction device for a compressed sofa according to claim 5, characterized in that, The linkage drive assembly (6) includes a linkage rod (61), an upper transmission assembly (62), a lower transmission assembly (63), and a drive motor (64). The upper and lower ends of the linkage rod (61) are rotatably connected to the base (1) and the top plate (7) respectively through bearings. A drive shaft (65) is fixedly installed at the lower end of the rotating disk (44). The drive motor (64) is fixedly connected to the inner wall of the base (1), and the output end of the drive motor (64) is fixedly connected to the linkage rod (61) through a coupling. The upper end of the linkage rod (61) is connected to the threaded sleeve (53) through the upper transmission assembly (62), and the lower end of the linkage rod (61) is connected to the drive shaft (65) through the lower transmission assembly (63).

7. The vacuum extraction device for a compressed sofa according to claim 6, characterized in that, The upper transmission assembly (62) and the lower transmission assembly (63) have the same structure.

8. The vacuum extraction device for a compressed sofa according to claim 7, characterized in that, Both the upper transmission assembly (62) and the lower transmission assembly (63) adopt a belt and pulley transmission structure.

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