Assembled screw air compressor

Abstract

The utility model belongs to the technical field of screw air compressors, and particularly relates to an assembled screw air compressor which comprises a case, a case is connected in the case through bolts, a male screw and a female screw are rotatably connected in the case, the male screw is meshed with the female screw, the shaft end of the male screw extends to the outer side of the case, and the shaft end of the female screw extends to the outer side of the case. A motor is installed on the outer side of the machine case, an output shaft of the motor is in transmission connection with the shaft end of the male screw, an air inlet pipe and an air outlet pipe are connected to the left side and the right side of the machine case respectively, and the air outlet pipe extends to the outer side of the machine case. The motor output shaft is connected with the shaft end of the male screw, then the filter screen is installed in the filter box, the upper cover plate is fixed, and finally the upper box cover is installed, so that overall assembly is relatively convenient, the assembly speed can be increased, regular maintenance is facilitated, and disassembly and maintenance are facilitated after faults occur.

Description

Technical Field

[0001] The utility model relates to the field of screw air compressors, in particular to an assembled screw air compressor. Background Art

[0002] Screw air compressor adopts pre-packaged configuration. Screw air compressor only needs a single power connection and compressed air connection, and has a built-in cooling system, which greatly simplifies the installation work. Screw air compressors consistently provide high-quality compressed air for all walks of life with their advantages such as high performance, high efficiency, maintenance-free and high reliability.

[0003] The existing screw air compressor assembly is relatively complex, which reduces the assembly speed and makes it difficult to disassemble and repair or regularly maintain after a failure. Therefore, the utility model provides an assembled screw air compressor. Utility Model Content

[0004] The purpose of the utility model is to provide an assembled screw air compressor to solve the above problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembled screw air compressor, comprising a chassis, a casing connected to the chassis by bolts, a male screw and a female screw rotatably connected in the casing, the male screw and the female screw meshing with each other, the shaft end of the male screw extending to the outside of the casing, a motor installed on the outside of the casing, the motor output shaft and the shaft end of the male screw transmission connection, the left and right sides of the casing are respectively connected with an air inlet pipe and an air outlet pipe, the air outlet pipe extends to the outside of the casing, the left side of the casing A fixing seat is provided on the side, a connecting hole is provided on the fixing seat, the connecting hole is connected with the air inlet pipe, a filter box is connected with the left side of the fixing seat by bolts, a filter screen is installed in the filter box, a cover plate is connected with the left end of the filter box by bolts, air inlets are provided on the front and rear sides below the chassis, a box cover is connected with the upper end of the chassis by bolts, an air outlet is provided on the box cover, a fan is connected with the lower side of the box cover by bolts, the fan is located at the lower side of the air outlet, and an accelerated heat dissipation mechanism is provided on the casing.

[0006] Preferably, dustproof nets are installed in the air outlet, air inlet and cover plate.

[0007] Preferably, a fixing plate is fixedly connected to the side of the chassis, and the motor is fixed to the fixing plate by bolts.

[0008] Preferably, a mounting groove is provided in the filter box, and the filter screen is inserted into the mounting groove.

[0009] Preferably, a fixing groove is provided on the left side of the installation groove, and a fixing frame for fixing the filter screen is connected to the fixing groove by bolts.

[0010] Preferably, the accelerated heat dissipation mechanism comprises a heat conducting plate and fins, the heat conducting plate is connected to the casing by bolts, and the fins are arranged on a side of the heat conducting plate away from the casing.

[0011] Preferably, the heat conducting plate is located at the front and rear sides of the casing and is in contact with the outer wall of the casing, and thermal conductive silicone grease is applied between the heat conducting plate and the casing.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1) In the utility model, the screw air compressor is easy to assemble. First, the casing is installed in the chassis, and then the air inlet and outlet pipes are connected, the motor output shaft is connected to the shaft end of the male screw, and then the filter is installed in the filter box and the upper cover is fixed, and finally the box cover is installed. The overall assembly is relatively convenient, which can improve the assembly speed and facilitate regular maintenance. It is easy to disassemble and repair after a fault;

[0014] 2) Before the casing is installed on the chassis, the accelerated heat dissipation mechanism is fixed to the casing. The accelerated heat dissipation mechanism consists of a heat conducting plate and fins. The heat on the casing is transferred to the fins through the heat conducting plate, increasing the contact area with the air, accelerating the heat dissipation, and improving the air-cooled heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the first schematic diagram of the structure of the utility model;

[0016] Figure 2 This is the second schematic diagram of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the casing structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the filter box of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the filter box of the utility model.

[0020] In the figure: 1. chassis; 2. air inlet; 3. box cover; 4. air outlet; 5. fixing seat; 6. filter box; 7. air outlet pipe; 8. fixing plate; 9. motor; 10. chassis; 11. fins; 12. heat conduction plate; 13. air inlet pipe; 14. shaft end; 15. cover plate; 16. mounting slot; 17. filter screen; 18. connecting hole; 19. fixing slot; 20. fixing frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Example:

[0025] See also Figure 1-5The utility model provides a technical solution: an assembled screw air compressor, including a chassis 1, a housing 10 connected to the chassis 1 by bolts, a male screw and a female screw (not shown in the figure) are rotatably connected in the housing 10, the male screw and the female screw are meshed, and air is sucked in and compressed by the rotation of the male screw and the female screw. This is a conventional principle and structure. The shaft end 14 of the male screw extends to the outside of the housing 10. A motor 9 is installed on the outside of the chassis 1. The output shaft of the motor 9 is connected to the shaft end 14 of the male screw to drive the male screw to rotate. The left and right sides of the housing 10 are respectively connected with an air inlet pipe 13 and an air outlet pipe 7, and the air outlet pipe 7 extends to the chassis 1 On the outside, a fixing seat 5 is provided on the left side of the chassis 1, and a connecting hole 18 is opened on the fixing seat 5, and the connecting hole 18 is connected to the air intake pipe 13. A filter box 6 is connected to the left side of the fixing seat 5 by bolts, and a filter screen 17 is installed in the filter box 6 for filtering the inhaled air. A cover plate 15 is connected to the left end of the filter box 6 by bolts. Air inlets 2 are provided on the front and rear sides of the lower side of the chassis 1. A box cover 3 is connected to the upper end of the chassis 1 by bolts, and an air outlet 4 is opened on the box cover 3. A fan is connected to the lower side of the box cover 3 by bolts. The fan is located on the lower side of the air outlet 4 for air cooling and heat dissipation. An accelerating heat dissipation mechanism is provided on the casing 10 to improve the air cooling and heat dissipation effect.

[0026] The air outlet 4 , the air inlet 2 and the cover plate 15 are all equipped with dustproof screens.

[0027] A fixing plate 8 is fixedly connected to the side of the chassis 1 , and the motor 9 is fixed to the fixing plate 8 by bolts.

[0028] A mounting groove 16 is provided in the filter box 6 , and a filter screen 17 is inserted into the mounting groove 16 .

[0029] A fixing groove 19 is provided on the left side of the installation groove 16, and a fixing frame 20 for fixing the filter screen 17 is connected to the fixing groove 19 by bolts, so that the filter screen 17 is easy to install and remove, and is convenient for replacement.

[0030] The accelerated heat dissipation mechanism includes a heat conducting plate 12 and fins 11. The heat conducting plate 12 is connected to the housing 10 by bolts. The fins 11 are arranged on a side of the heat conducting plate 12 away from the housing 10 to improve the heat dissipation effect.

[0031] The heat conducting plate 12 is located at the front and rear sides of the housing 10 and is in contact with the outer wall of the housing 10 . Thermal conductive silicone grease is applied between the heat conducting plate 12 and the housing 10 .

[0032] Working principle: first install the casing 10 in the chassis 1, then connect the air inlet pipe 13 and the air outlet pipe 7, connect the output shaft of the motor 9 and the shaft end 14 of the male screw, and then install the filter 17 into the filter box 6. After the filter 17 is inserted into the installation groove 16, install the fixing frame 20 to fix it, install the cover plate 15, and finally install the box cover 3. The overall assembly is relatively convenient, which can increase the assembly speed and facilitate regular maintenance. It is easy to disassemble and repair after a fault. Before the casing 10 is installed in the chassis 1, the accelerated heat dissipation mechanism is fixed to the casing 10. The accelerated heat dissipation mechanism consists of a heat conducting plate 12 and fins 11. The heat on the casing 10 is transferred to the fins 11 through the heat conducting plate 12, thereby increasing the contact area with the air, accelerating the heat dissipation, and improving the air-cooled heat dissipation effect.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled screw air compressor, comprising a chassis (1), wherein the chassis (1) is connected to a housing (10) by bolts, wherein a male screw and a female screw are rotatably connected to the housing (10), wherein the male screw and the female screw are meshed, and wherein the shaft end (14) of the male screw extends to the outside of the housing (10), wherein: A motor (9) is installed on the outside of the chassis (1), and the output shaft of the motor (9) is drivingly connected to the shaft end (14) of the male screw rod. The left and right sides of the housing (10) are respectively connected to an air inlet pipe (13) and an air outlet pipe (7), and the air outlet pipe (7) extends to the outside of the chassis (1). A fixing seat (5) is arranged on the left side of the chassis (1), and a connecting hole (18) is opened on the fixing seat (5). The connecting hole (18) is connected to the air inlet pipe (13), and the left side of the fixing seat (5) is connected to the air inlet pipe (13) by bolts. A filter box (6) is connected, a filter screen (17) is installed in the filter box (6), the left end of the filter box (6) is connected to a cover plate (15) by bolts, air inlets (2) are arranged on both the front and rear sides of the lower part of the chassis (1), the upper end of the chassis (1) is connected to a box cover (3) by bolts, an air outlet (4) is opened on the box cover (3), a fan is connected to the lower side of the box cover (3) by bolts, and the fan is located on the lower side of the air outlet (4), and an accelerated heat dissipation mechanism is arranged on the casing (10).

2. The assembled screw air compressor according to claim 1, characterized in that: The air outlet (4), the air inlet (2) and the cover plate (15) are all equipped with dustproof nets.

3. The assembled screw air compressor according to claim 1, characterized in that: A fixing plate (8) is fixedly connected to the side of the chassis (1), and the motor (9) is fixed to the fixing plate (8) by means of bolts.

4. The assembled screw air compressor according to claim 1, characterized in that: The filter box (6) is provided with a mounting groove (16), and the filter screen (17) is inserted into the mounting groove (16).

5. The assembled screw air compressor according to claim 4, characterized in that: A fixing groove (19) is provided on the left side of the installation groove (16), and a fixing frame (20) for fixing the filter screen (17) is connected to the fixing groove (19) by bolts.

6. The assembled screw air compressor according to claim 1, characterized in that: The accelerated heat dissipation mechanism comprises a heat conducting plate (12) and fins (11); the heat conducting plate (12) is connected to the casing (10) by bolts; and the fins (11) are arranged on a side of the heat conducting plate (12) away from the casing (10).

7. The assembled screw air compressor according to claim 6, characterized in that: The heat conducting plate (12) is located at the front and rear sides of the casing (10) and is in contact with the outer wall of the casing (10), and heat conducting silicone grease is applied between the heat conducting plate (12) and the casing (10).

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