Screw air compressor capable of avoiding overload

Abstract

The utility model discloses an overload-avoiding screw air compressor which comprises a screw air compressor body, an overload protector installed at the upper end of the screw air compressor body, an air filtering device arranged at the upper end of an installation plate, and a fixing rod fixedly connected to the outer side of a fixing insertion pipe. The filter element is fixedly connected to the left end of the installation frame, the installation frame drives the filter element to be installed in the middle of the filter cylinder in an inserted connection mode, and the limiting mechanisms are symmetrically arranged at the upper end and the lower end of the installation frame. According to the screw air compressor capable of avoiding overload, the air filtering equipment and the screw air compressor body can be mounted very conveniently, meanwhile, the sealing performance is good, in combination with the arrangement of the limiting mechanism, the arrangement of the limiting mechanism is facilitated, a filter element is convenient to disassemble, clean or replace, the filter element is prevented from being blocked after being used for a long time, and the service life of the screw air compressor is prolonged. The use is very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field related to screw air compressors, in particular to a screw air compressor which can avoid overloading. Background Art

[0002] Screw air compressor is a type of air compressor, which can usually be divided into single screw air compressor and twin screw air compressor. Screw compressor is widely used because of its advantages of long life, low noise and energy saving during use. In addition, the air needs to be filtered through a filter during use.

[0003] However, in the prior art, there are commonly used air compressors, the installation structure between the filter and the air compressor is relatively complicated, and the sealing performance of the connection between the filter and the pipe on the air compressor is not good, which makes it inconvenient to disassemble, clean and replace the air filter element inside the filter, and the filter element is prone to clogging after long-term use;

[0004] For this reason, we propose a screw air compressor that avoids overload to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a screw air compressor that avoids overload, so as to solve the problem that the commonly used air compressor in the prior art proposed in the above background technology has a relatively complicated installation structure between the filter and the air compressor, and the sealing performance of the connection between the filter and the pipeline on the air compressor is not good, it is inconvenient to disassemble, clean and replace the air filter element inside the filter, and the filter element is prone to clogging after long-term use.

[0006] To achieve the above object, the utility model provides the following technical solution: a screw air compressor for avoiding overload, comprising a screw air compressor body, an overload protector installed at the upper end of the screw air compressor body, and an air filter device placed at the upper end of a mounting plate;

[0007] Also includes:

[0008] A fixing rod, wherein the fixing rod is fixedly connected to the outside of the fixing insert, and the fixing rod is arranged at an equal angle on the outside of the fixing insert, and the fixing insert drives the fixing rod to be connected to the connecting pipe by means of a slot;

[0009] The filter element is fixedly connected to the left end of the mounting frame, and the mounting frame drives the filter element to be inserted and installed in the middle of the filter cartridge, and a sealing ring is fitted between the filter element and the filter cartridge;

[0010] The limiting mechanism is symmetrically arranged at the upper and lower ends of the mounting frame, and the limiting mechanism is used to limit the mounting frame and the filter cartridge, and the limiting mechanism is combined with the mounting frame to drive the filter element and the filter cartridge to form a disassembly structure.

[0011] Preferably, a mounting plate is fixedly connected to the upper right end of the screw air compressor body, a mounting cylinder is provided at the upper left end of the mounting plate, and a connecting pipe is installed at the right end of the mounting cylinder.

[0012] Preferably, a fixed insert is installed in the middle of the connecting pipe, and the fixed insert is fixedly connected to the upper left end of the air filtering device, and the air filtering device is connected to the installation cylinder through the fixed insert and the connecting pipe.

[0013] Preferably, a sealing gasket is fitted at the connection between the fixed insert and the connecting pipe, and the fixed insert and the connecting pipe are positioned by a fixing rod, and the fixing rod and the connecting pipe are fixed by bolts.

[0014] Preferably, the limiting mechanism includes a movable column in an "L"-shaped structure, a fixed column with threads on the outer surface, a fixed cap for limiting, and a fixed ring with an opening on the outer side.

[0015] Preferably, the movable column is hingedly connected to the upper and lower ends of the mounting frame respectively, and the movable column forms a flip structure on the left side of the mounting frame, and the movable column is connected to the fixed column by means of a slot.

[0016] Preferably, the fixing columns are fixedly connected to the upper and lower ends of the filter cartridge respectively, and the outer surfaces of the fixing columns are threadedly connected with fixing caps.

[0017] Preferably, the fixing cap is inserted into the middle of the fixing ring, the opening size of the fixing ring is larger than the diameter size of the fixing column, and the fixing ring is fixedly connected to the movable column.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the screw air compressor that avoids overload, in actual use, is convenient for positioning the fixed insert and the connecting pipe through the setting of the fixing rod, so that the air filter device and the screw air compressor body can be installed very conveniently, and the sealing performance is good. In addition, the setting of the limiting mechanism is convenient, and the filter element can be disassembled, cleaned or replaced, so as to prevent the filter element from being blocked after long-term use, and the use is very convenient;

[0019] 1. A fixed insert, a connecting pipe and a fixed rod are provided. The fixed insert drives the fixing rod to connect with the connecting pipe through a slot, which is convenient for positioning and connecting the fixed insert and the connecting pipe. A sealing gasket is provided between the fixed insert and the connecting pipe, so the overall sealing effect is good.

[0020] 2. It is equipped with a filter cartridge, a mounting frame and a filter element. The mounting frame drives the filter element to be inserted and installed in the middle of the filter cartridge, which is convenient for positioning and installing the filter element. A sealing gasket is provided between the filter element and the filter cartridge to improve the sealing of the connection;

[0021] 3. A limiting mechanism is provided, which is symmetrically arranged at the upper and lower ends of the mounting frame, and the limiting mechanism includes a movable column, a fixed column, a fixed cap and a fixed ring. Through the setting of the limiting mechanism, it is convenient to disassemble, clean or replace the filter element to prevent the filter element from being blocked due to long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the front view and section structure of the air filtering device, the fixed insert, the connecting pipe, the filter cartridge and the filter element of the utility model;

[0024] Figure 3 This is a side view structural diagram of the connection between the fixed cannula, the connecting pipe and the fixed rod of the utility model;

[0025] Figure 4 This is a schematic diagram of the front view and cutaway structure of the connection between the filter cartridge, the mounting frame and the filter element of the utility model;

[0026] Figure 5 This is a front view cutaway structural diagram of the connection between the movable column, the fixed column and the fixed ring of the utility model.

[0027] In the figure: 1. Screw air compressor body; 2. Mounting plate; 3. Mounting cylinder; 4. Overload protector; 5. Air filter device; 6. Fixed insert; 7. Connecting pipe; 8. Fixed rod; 9. Filter cylinder; 10. Mounting frame; 11. Filter element; 12. Limiting mechanism; 13. Movable column; 14. Fixed column; 15. Fixed cap; 16. Fixed ring. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-5The utility model provides a technical solution: a screw air compressor for avoiding overload, including a screw air compressor body 1, a mounting plate 2, a mounting cylinder 3, an overload protector 4, an air filtering device 5, a fixed insert 6, a connecting pipe 7, a fixed rod 8, a filter cylinder 9, a mounting frame 10, a filter element 11, a limiting mechanism 12, a movable column 13, a fixed column 14, a fixed cap 15 and a fixed ring 16.

[0030] When using the screw compressor to avoid overload, Figure 1 As shown, the screw air compressor body 1 is directly placed on the ground, and the screw air compressor body 1 in this scheme is the same as the existing screw air compressor structure, which is an existing mature technology and is well known to those skilled in the art, and is not described in detail here. An overload protector 4 is installed on the upper end of the screw air compressor body 1. Through the setting of the overload protector 4, when an overload occurs during the operation of the motor installed on the screw air compressor body 1, a signal can be transmitted to the central processor in time for alarm, thereby reminding relevant personnel to take corresponding measures, which plays a good role in overpressure protection for the screw air compressor body 1, and a mounting plate 2 is fixedly connected to the upper right end of the screw air compressor body 1, and a mounting cylinder 3 is installed on the upper end of the mounting plate 2, and an air filter device 5 is placed on the upper end of the mounting plate 2, and at the same time, the air filter device 5 drives the fixed plug 6 to be plugged into the connecting pipe 7 connected to the mounting cylinder 3;

[0031] Combination Figure 2 and Figure 3 As shown, the outer surface of the fixed plug 6 is wrapped with a sealing gasket, which is fitted between the fixed plug 6 and the connecting pipe 7 to improve the sealing effect of the connection between the fixed plug 6 and the connecting pipe 7, and the fixing rod 8 is arranged at an equal angle on the outside of the fixed plug 6, and the fixed plug 6 drives the fixing rod 8 and the connecting pipe 7 to be connected through a card groove, which is convenient for positioning between the fixed plug 6 and the connecting pipe 7, and then the fixing rod 8 and the connecting pipe 7 are limited by bolts, and then the air filter device 5 is fixed to the upper end of the mounting plate 2 by bolts, thereby completing the docking installation between the air filter device 5 and the screw air compressor body 1, and the air filter device 5 can filter the gas used by the screw air compressor body 1;

[0032] In addition, the right end of the air filter device 5 is fixedly connected to a filter cartridge 9. Figure 2 , Figure 4 and Figure 5As shown, a mounting frame 10 is fitted at the right end of the filter cartridge 9, and the mounting frame 10 drives the filter element 11 to be installed in the filter cartridge 9. At the same time, a sealing gasket is fitted at the connection between the filter element 11 and the filter cartridge 9 to ensure the sealing effect of the connection. When the filter element 11 needs to be cleaned or replaced regularly, the limiting mechanism 12 is set. The limiting mechanism 12 is symmetrically set at the upper and lower ends of the mounting frame 10, and the limiting mechanism 12 includes a movable column 13 with an "L"-shaped structure, a fixing column 14 with a thread on the outer surface, a fixing cap 15 for limiting, and a fixing ring 16 with an opening on the outer side.

[0033] By rotating the fixing cap 15 threadedly connected to the outer surface of the fixing column 14, the fixing cap 15 moves to the right and is pulled out from the middle of the fixing ring 16, thereby loosening the limit between the movable column 13 and the fixing column 14 and the fixing ring 16 and the fixing column 14, and then by turning over the movable column 13, the movable column 13 and the mounting frame 10 rotate, the movable column 13 and the fixing column 14 are separated, and the movable column 13 drives the fixing ring 16 and the fixing column 14 to separate, thereby loosening the limit between the mounting frame 10 and the filter cartridge 9, and then pulling the mounting frame 10 to the right, the mounting frame 10 drives the filter element 11 to be taken out from the middle of the filter cartridge 9, thereby facilitating the disassembly, cleaning and replacement of the filter element 11, and preventing the filter element 11 from being blocked due to long-term use. Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A screw air compressor for preventing overload, comprising a screw air compressor body (1), an overload protector (4) mounted on the upper end of the screw air compressor body (1), and an air filter device (5) disposed on the upper end of a mounting plate (2); It is characterized in that Also includes: A fixing rod (8), wherein the fixing rod (8) is fixedly connected to the outside of the fixing insert tube (6), and the fixing rod (8) is arranged at an equal angle on the outside of the fixing insert tube (6), and the fixing insert tube (6) drives the fixing rod (8) to be connected to the connecting tube (7) by means of a slot; A filter element (11), wherein the filter element (11) is fixedly connected to the left end of the mounting frame (10), and the mounting frame (10) drives the filter element (11) to be inserted and installed in the middle of the filter cartridge (9), and a sealing ring is provided between the filter element (11) and the filter cartridge (9); A limiting mechanism (12) is symmetrically arranged at the upper and lower ends of the mounting frame (10), and the limiting mechanism (12) is used to limit the position between the mounting frame (10) and the filter cartridge (9), and the limiting mechanism (12) is combined with the mounting frame (10) to drive the filter element (11) and the filter cartridge (9) to form a disassembly structure.

2. A screw air compressor for avoiding overload according to claim 1, characterized in that: The upper right end of the screw air compressor body (1) is fixedly connected to a mounting plate (2), the upper left end of the mounting plate (2) is provided with a mounting cylinder (3), and the right end of the mounting cylinder (3) is installed with a connecting pipe (7).

3. A screw air compressor for avoiding overload according to claim 2, characterized in that: A fixed insert pipe (6) is inserted and installed in the middle of the connecting pipe (7), and the fixed insert pipe (6) is fixedly connected to the upper left end of the air filtering device (5), and the air filtering device (5) is connected to the installation cylinder (3) through the fixed insert pipe (6) and the connecting pipe (7).

4. A screw air compressor for avoiding overload according to claim 3, characterized in that: A sealing gasket is provided at the connection between the fixed insert pipe (6) and the connecting pipe (7), and the fixed insert pipe (6) and the connecting pipe (7) are positioned by a fixing rod (8), and the fixing rod (8) and the connecting pipe (7) are fixed by bolts.

5. The screw air compressor for avoiding overload according to claim 1, characterized in that: The limiting mechanism (12) comprises a movable column (13) in an "L"-shaped structure, a fixed column (14) with threads on the outer surface, a fixed cap (15) for limiting, and a fixed ring (16) with an opening on the outer side.

6. The screw air compressor for avoiding overload according to claim 5, characterized in that: The movable column (13) is hingedly connected to the upper and lower ends of the mounting frame (10), and the movable column (13) forms a flip structure on the left side of the mounting frame (10), and the movable column (13) is connected to the fixed column (14) by means of a slot.

7. The screw air compressor for avoiding overload according to claim 6, characterized in that: The fixing column (14) is fixedly connected to the upper and lower ends of the filter cartridge (9) respectively, and a fixing cap (15) is threadedly connected to the outer surface of the fixing column (14).

8. The screw air compressor for avoiding overload according to claim 7, characterized in that: The fixing cap (15) is inserted into the middle of the fixing ring (16), the opening size of the fixing ring (16) is larger than the diameter size of the fixing column (14), and the fixing ring (16) is fixedly connected to the movable column (13).

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