Sound insulation box of screw compressor

Abstract

The utility model relates to the technical field of cold screws, in particular to a soundproof box of a screw compressor. The sound insulation box comprises a bottom plate, side plates, a front plate assembly, a rear plate assembly, a top plate assembly and sound insulation cotton arranged on the inner side walls of the assemblies. The front plate assembly comprises a high-frequency using plate located in the middle and intermediate-frequency using plates located on the two sides of the high-frequency using plate, the top edge and the side, away from the high-frequency using plate, of each intermediate-frequency using plate are folded inwards, and the side, facing the high-frequency using plate, of each intermediate-frequency using plate is folded inwards and outwards in sequence. The final folding end is parallel to the medium-frequency use plate; the three sides, except the bottom side, of the high-frequency use plate are folded inwards, and one side of the high-frequency use plate is hinged to the folded end, facing the high-frequency use plate, of the intermediate-frequency use plate; wherein a handle is arranged on the medium-frequency using plate, and a door lock is arranged on the high-frequency using plate. Due to the design of the high-frequency using plate and the medium-frequency using plate of the soundproof box, after-sales repair and maintenance can be better achieved, manpower input can be reduced in production or after-sales, and input cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cold screw, in particular to a sound insulation box for a screw compressor. Background Art

[0002] In the current air-conditioning industry, the sound insulation box of a general screw machine is generally composed of a square rectangular sheet metal structure. For example, in the Chinese patent with the application number CN202022219603, the sound insulation box of the screw compressor is relatively large in volume, the size of a single sound insulation board is large and the materials are heavy. Also, because it is a post-installation process, operations such as screw fastening and handling and assembly are quite difficult; the sound insulation box wraps the compressor inside. When debugging or maintaining and repairing after-sales, there is a need to operate to open the sound insulation box. The commonly used screw fixing and disassembly not only takes time and effort, but also the disassembled materials are easily damaged by knocking and the paint is damaged. At the same time, the screw bottom holes are also easily stripped of threads and cannot be used for a long time.

[0003] In summary, how to optimize the design of the sound insulation box and improve the production and installation efficiency and after-sales maintenance experience is an urgent problem to be solved by those skilled in the art at present. Summary of the Utility Model

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a sound insulation box for a screw compressor. The design of the high-frequency use board and the medium-frequency use board of the sound insulation box can better maintain and repair after-sales, and can reduce the input of manpower and the input cost both in production and after-sales.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sound insulation box for a screw compressor, which includes a bottom plate, side plates arranged on the left and right sides of the bottom plate, a front plate assembly and a rear plate assembly arranged on the front and rear sides of the bottom plate, and a top plate assembly arranged above the bottom plate. Sound insulation cotton is provided on the inner side walls of the side plates, the front plate assembly, the rear plate assembly and the top plate assembly; the front plate assembly includes a high-frequency use board located in the middle and medium-frequency use boards located on both sides of the high-frequency use board. The top edge and the side away from the high-frequency use board of the medium-frequency use board are folded inward, and the sound insulation cotton is wrapped inside. The side of the medium-frequency use board facing the high-frequency use board is folded inward and then outward in sequence, and the final folding end is parallel to the medium-frequency use board; three sides of the high-frequency use board except the bottom edge are folded inward, and one of the sides is hinged to the folding end of the medium-frequency use board facing the high-frequency use board, and the sound insulation cotton is wrapped inside; wherein, a handle is provided on the medium-frequency use board, and a door lock is provided on the high-frequency use board.

[0007] Preferably, the rear panel assembly includes rear side panels on both sides and a rear middle panel in the middle; the top edge and the side away from the rear middle panel of the rear side panel are folded inward twice to wrap the sound insulation cotton inside; the bottom edge and the left and right sides of the rear middle panel are folded outward once, and its top edge is folded inward twice to wrap the sound insulation cotton inside.

[0008] Preferably, the top panel assembly includes a plurality of top panels arranged in sequence, and the four sides of the top panel are folded inward once.

[0009] Preferably, the first-folded edges of each adjacent top panel are folded inward a second time in the same direction.

[0010] Preferably, a vertically penetrating through-hole is provided at the top of the top panel.

[0011] Preferably, a cross beam is provided at the connection between the front panel assembly and the top panel assembly.

[0012] Preferably, the cross beam is a cuboid structure with a hollow interior, and isosceles triangle cut surfaces are provided at the left and right ends of the cross beam, and the cross beam is bent inward through the cut surfaces; wherein, the bottom edge of the cross beam is flipped outward.

[0013] Preferably, the weight of the high-frequency usage board and the medium-frequency usage board is less than 8 kg, and the size is less than 1 m * 0.6 m.

[0014] In summary, the advantages of the present utility model are as follows:

[0015] In this technical solution, the boards that need to be disassembled after-sales are classified into high-frequency usage boards, medium-frequency usage boards and low-frequency usage boards according to the frequency. This design makes after-sales maintenance easier, greatly reduces the labor intensity of workers, and improves production efficiency; it also makes after-sales maintenance more convenient, improves the customer's usage experience, and reduces cost investment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a front structural schematic diagram of the sound insulation box;

[0017] Figure 2 is a rear structural schematic diagram of the sound insulation box;

[0018] Figure 3 is a front exploded structural schematic diagram of the sound insulation box;

[0019] Figure 4 is a structural schematic diagram of the bottom plate;

[0020] Figure 5 is a structural schematic diagram of the high-frequency usage board;

[0021] Figure 6 It is a schematic structural diagram of the intermediate-frequency usage board;

[0022] Figure 7 It is a schematic structural diagram of the cross beam;

[0023] Reference numerals: 1, bottom plate; 2, side plates; 3, front plate assembly; 4, rear plate assembly; 5, top plate assembly; 7, cross beam; 31, high-frequency usage board; 32, intermediate-frequency usage board; 33, handle; 34, door lock; 41, rear side plate; 42, rear middle plate; 51, top panel; 52, through hole. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present application.

[0025] In the description of the present application, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0026] At the same time, it should be noted that: similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] Next, a detailed description of the specific embodiments of the present utility model will be given in conjunction with the accompanying drawings.

[0028] As Figures 1 to 7 shown, a screw compressor sound insulation box includes a bottom plate 1, side plates 2 provided on the left and right sides of the bottom plate 1, a front plate assembly 3 and a rear plate assembly 4 provided on the front and rear sides of the bottom plate 1, and a top plate assembly 5 provided above the bottom plate 1. In order to ensure the sound insulation effect of the box, sound insulation cotton is provided on the inner side walls of the side plates 2, the front plate assembly 3, the rear plate assembly 4, and the top plate assembly 5.

[0029] Since there is a need to open the sound insulation box during after-sales debugging or maintenance and overhaul, in order to design a reasonable frame, the front panel assembly 3 on the sound insulation box is divided into high-frequency use panels 31 (10~30 times / number of openings per year) and medium-frequency use panels 32 (1~2 times / number of openings per year) according to the disassembly frequency, and the side panels 2, top panel assembly 5 and rear panel assembly 4 are divided into low-frequency use panels (1~2 times / number of openings per 10 years) due to their lower frequency of use.

[0030] like Figures 1 to 6 As shown, one side of the bottom plate 1 is folded upward, and a front plate assembly 3 is arranged on the folded end, a high frequency use plate 31 is located in the middle of the bottom plate 1, and a medium frequency use plate 32 is located on both sides of the high frequency use plate 31. The structures of the high frequency use plate 31 and the medium frequency use plate 32 are described below.

[0031] Intermediate frequency utilization plate 32: There are several intermediate frequency utilization plates 32, and they are installed and arranged from both sides of the folded end of the bottom plate 1 to the middle in sequence, and the bottom edge of the intermediate frequency utilization plate 32 is directly fixedly connected to the folded end of the bottom plate 1 by screws; the top edge of the intermediate frequency utilization plate 32 and the side away from the high frequency utilization plate 31 are folded inwardly, and the sound insulation cotton is wrapped in the above-mentioned folded end; and the side of the intermediate frequency utilization plate 32 facing the high frequency utilization plate 31 needs to be folded twice, first folded once inwardly, and then folded twice outwardly on the first folded end, and the final folded end is parallel to the board surface of the intermediate frequency utilization plate 32.

[0032] High-frequency use plate 31: One high-frequency use plate 31 is provided and is located in the middle of the folded end of the bottom plate 1. The bottom edge of the high-frequency use plate 31 is directly fixedly connected to the folded end of the bottom plate 1 by screws; the three sides of the high-frequency use plate 31 except the bottom edge are folded inside, and the left (or right) folded end of the high-frequency use plate 31 is hinged with the secondary folded end of the medium-frequency use plate 32 toward the high-frequency use plate 31, and the sound insulation cotton is wrapped inside. The high-frequency use plate 31 is fixed by hinged means, so that when observing the condition of the compressor in the soundproof box, there is no need to dismantle the entire soundproof box. You only need to rotate the hinged high-frequency use plate 31 to observe the condition in the soundproof box, which is more convenient and quick.

[0033] like Figures 1 to 3 As shown, in order to ensure the safety of the soundproof box, a door lock 34 is provided on the high-frequency use plate 31. Only after opening the door lock 34 can the situation inside the soundproof box be observed, ensuring that the high-frequency use plate 31 will not be turned and opened without reason, and also ensuring that irrelevant personnel will not observe and damage the devices in the soundproof box.

[0034] Since the intermediate - frequency usage board 32 also needs to be opened once or twice a year, and for the convenience of taking it during opening and placing it during installation, handles 33 are provided on the intermediate - frequency usage board 32. Handles 33 can also be provided on the high - frequency usage board 31.

[0035] As Figure 1 and Figure 7 As shown, a cross - beam 7 is provided at the top of the front - panel assembly 3, and the cross - beam 7 is connected to the top - panel assembly 5; the structure of the cross - beam 7 is a cuboid structure with a hollow interior, and isosceles - triangle cut - off surfaces are provided at the left and right ends of the cross - beam 7, and the cross - beam 7 is bent towards its own interior through the cut - off surfaces; wherein, the bottom edge of the cross - beam 7 is flipped towards the outside of itself and is respectively connected to the front - panel assembly 3 and the top - panel assembly 5. By providing the cross - beam 7, the structure of the sound - proof box can be stabilized.

[0036] As Figures 1 to 3 As shown, the top - panel assembly 5 includes a number of top - panels 51 arranged in sequence. The four sides of the top - panel 51 are folded inwards once, and the once - folded edges of each adjacent top - panel 51 are folded inwards a second time in the same direction. When fixing is required, just place them in sequence and fix them with screws to complete the installation.

[0037] In order to better place the screw compressor, a vertically - penetrating through - hole 52 is provided at the top of one of the top - panels 51.

[0038] The top of the rear - panel assembly 4 is fixedly connected to the top - panel assembly 5, and the bottom is fixedly connected to the bottom plate 1; the rear - panel assembly 4 includes rear - side plates 41 on both sides and a rear - middle plate 42 in the middle; the top edge and the side away from the rear - middle plate 42 of the rear - side plate 41 are folded inwards twice, and the sound - proof cotton is wrapped inside; the bottom edge and the left and right sides of the rear - middle plate 42 are folded outwards once (fixed with screws), and its top edge is folded inwards a second time, and the sound - proof cotton is wrapped inside.

[0039] In order to better meet the lightweight design, the weights of the high - frequency usage board 31, the intermediate - frequency usage board 32 and the low - frequency usage board are less than 8 kg, and the dimensions are less than 1 m * 0.6 m.

[0040] The above is the description of the embodiments of the present utility model. Through the above description of the disclosed embodiments, those skilled in the art can implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel points disclosed herein.

Claims

1. A screw compressor soundproof box, comprising a bottom plate (1) and side plates (2) arranged on the left and right sides of the bottom plate (1), a front plate assembly (3) and a rear plate assembly (4) arranged on the front and rear sides of the bottom plate (1), and a top plate assembly (5) arranged above the bottom plate (1), wherein the inner side walls of the side plates (2), the front plate assembly (3), the rear plate assembly (4) and the top plate assembly (5) are all provided with sound insulation cotton; characterized in that: The front panel assembly (3) comprises a high-frequency use panel (31) located in the middle and medium-frequency use panels (32) located on both sides of the high-frequency use panel (31); the top edge and the side away from the high-frequency use panel (31) of the medium-frequency use panel (32) are folded inwards and wrap the sound insulation cotton inside; the side of the medium-frequency use panel (32) facing the high-frequency use panel (31) is folded inwards and outwards in sequence, and the final folded end is parallel to the medium-frequency use panel (32); the three sides of the high-frequency use panel (31) except the bottom side are folded inwards, and one side is hinged with the folded end of the medium-frequency use panel (32) facing the high-frequency use panel (31), and wrap the sound insulation cotton inside; wherein the medium-frequency use panel (32) is provided with a handle (33), and the high-frequency use panel (31) is provided with a door lock (34).

2. A soundproof box for a screw compressor according to claim 1, characterized in that: The rear panel assembly (4) includes rear side panels (41) located on both sides and a rear middle panel (42) located in the middle; the top edge of the rear side panel (41) and the side away from the rear middle panel (42) are folded inward twice, and the sound insulation cotton is wrapped inside; the bottom edge and the left and right sides of the rear middle panel (42) are folded outward once, and the top edge is folded inward twice, and the sound insulation cotton is wrapped inside.

3. A soundproof box for a screw compressor according to claim 1, characterized in that: The top panel assembly (5) comprises a plurality of top panels (51) arranged in sequence, and the four sides of the top panels (51) are folded inwards.

4. A soundproof box for a screw compressor according to claim 3, characterized in that: The primary folded edges of each adjacent top panel (51) are folded secondary in the same direction.

5. The sound insulation box for a screw compressor according to claim 3, characterized in that: The top of the top panel (51) is provided with a through hole (52) penetrating vertically.

6. The screw compressor sound insulation box according to claim 1, characterized in that: A crossbeam (7) is provided at the connection between the front plate assembly (3) and the top plate assembly (5).

7. A soundproof box for a screw compressor according to claim 6, characterized in that: The crossbeam (7) is a rectangular parallelepiped structure with a hollow interior, and isosceles triangular cut-off surfaces are provided on the left and right ends of the crossbeam (7). The crossbeam (7) is bent inward through the cut-off surfaces; wherein the bottom edge of the crossbeam (7) is turned outward.

8. The sound insulation box for a screw compressor according to claim 1, characterized in that: The high frequency utilization board (31) and the medium frequency utilization board (32) have a weight less than 8 kg and a size less than 1 m*0.6 m.

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