Filter device of air compressor

Abstract

The utility model provides a filtering device of an air compressor, which relates to the field of air compressor equipment and comprises a filtering device main body, a guide pipe, a limit connecting component and a plurality of bolt components. Therefore, the guide pipe and the filter device body are limited and clamped through the two limiting bodies in the limiting connecting assembly, then the two limiting bodies are limited and connected through the fixing component, the connecting position is hermetically connected through matched linkage of the components, the two limiting bodies are located on the periphery of the connecting position and wrap the periphery of the connecting position, and the sealing effect is achieved. According to the air compressor filtering device, the connecting position can be protected, meanwhile, the situation that installation is difficult due to the narrow installation space can be avoided in the process, the situation that the connecting position deforms and slips when bolts are frequently replaced is avoided, and the installation efficiency of the air compressor filtering device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor equipment field especially relates to an air compressor filtering device. BACKGROUND

[0002] Air compressor filtering device is the important component part in air compressor system, and its main function is to filter the air into the air compressor, has different filter precision grade, is used for filtering the lubricating oil circulating in the air compressor, can remove the metal particles, impurities and oil sludge etc.

[0003] Now air compressor filtering device often adopts threaded connection and flange connection, adopts multiple bolts to connect and limit the air compressor filtering device in its threaded connection process, and the threaded connection mode is used multiple times to easily cause the deformation and silk slip of the connecting portion, thereby reduce the sealing property of installation, when using flange connection, need certain operation space, when the installation space is narrow, it is difficult to use flange connection, reduce the installation efficiency of air compressor filtering device.

[0004] Therefore, it is necessary to provide a new air compressor filtering device to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides an air compressor filtering device.

[0006] The air compressor filtering device provided by the utility model comprises a filtering device main body, a conduit and a limiting connection assembly, one end of the conduit is mutually attached to one end of the filtering device main body, and a sealing ring is arranged at the mutually attached position of one end of the conduit and one end of the filtering device main body.

[0007] The limiting connection assembly comprises two limiting bodies, the two limiting bodies are rotationally connected through a rotating assembly, one end of the conduit and one end of the filtering device main body are located in the two limiting bodies, the surface of one end of the conduit and one end of the filtering device main body is attached to the inner surface of the two limiting bodies, and a fixing member is fixedly arranged at the end of the two limiting bodies away from the rotating assembly.

[0008] Preferably, a plurality of limiting blocks are fixedly arranged in the limiting body, a plurality of limiting grooves matched with the cross sections of the limiting blocks are formed in the surface of one end of the conduit and one end of the filtering device main body, the limiting blocks are located in the limiting grooves, and the outer surface of the limiting blocks is attached to the inner wall of the limiting grooves.

[0009] Preferably, the rotating assembly comprises a rotating bolt and a plurality of rotating blocks, one side of the plurality of rotating blocks is fixedly connected with the outer surface of the limiting body, the plurality of rotating blocks are sleeved on the surface of the rotating bolt, and the plurality of rotating blocks are rotationally connected with the rotating bolt.

[0010] Preferably, the fixing member comprises a fixing sheet and a fixing body, one side of the fixing sheet is fixedly connected with the surface of the limiting body at the top, one side of the fixing body is fixedly connected with the surface of the limiting body at the bottom, a fixing column is fixedly arranged on the top of the fixing body, a movable slot for mounting the fixing column is arranged on the surface of the fixing sheet, the fixing column is movably arranged in the movable slot, and the surface of the fixing column is attached to the inner side wall of the movable slot.

[0011] Preferably, the fixing member further comprises a fixing block, a fixing hole with the same cross-sectional dimension as the fixing column is arranged on the surface of the fixing block, the fixing block is sleeved on the surface of the fixing column, the fixing block is detachably connected with the fixing column, and the bottom surface of the fixing block is attached to the top surface of the fixing sheet.

[0012] Preferably, the filter device body comprises a top shell, a bottom shell and a filter core, the filter core is arranged in the top shell and the bottom shell and is detachably connected by a plurality of bolt assemblies.

[0013] Preferably, the bolt assembly comprises a stud and a nut, the stud penetrates through the surface of the mutual attachment position of the top shell and the bottom shell, the nut is sleeved on the surface of the stud, and the top of the nut is attached to the top end of the bottom shell.

[0014] Compared with the related art, the air compressor filter device has the following beneficial effects:

[0015] When the air compressor filter device is installed, a sealing gasket is first clamped at the mutual connection position of the conduit and the filter device body, so that the two limiting bodies in the limiting connection assembly are used to limit and clamp the conduit and the filter device body, and then the two limiting bodies are limited and connected by the fixing member. The sealing connection of the connection position is realized through the cooperation and linkage of the above-mentioned components. The two limiting bodies are wrapped around the connection position, which can protect the connection position. At the same time, the process can avoid the difficulty in installation due to the small installation space, and can avoid the deformation and thread slipping of the bolt connection position during the long replacement process, thereby improving the installation efficiency of the air compressor filter device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structural schematic view of the air compressor filter device.

[0017] Figure 2 The utility model provides a split structure schematic drawing of air compressor filter equipment;

[0018] Figure 3 The utility model provides whole structure schematic drawing of limit connection subassembly and top shell another state;

[0019] Figure 4 The utility model provides whole structure schematic drawing of limit connection subassembly and top shell another state;

[0020] Figure 5 The utility model provides top shell, sealing ring and partial structure schematic drawing of guide pipe;

[0021] Figure 6 The utility model provides split structure schematic drawing of guide pipe and sealing ring;

[0022] Figure 7 The utility model provides whole structure schematic drawing of limit connection subassembly;

[0023] Figure 8 Whole structure schematic drawing of limit connection subassembly another state is provided for the utility model.

[0024] Reference signs in the drawing: 1, filter equipment main part;2, guide pipe;3, limit connection subassembly;4, sealing ring;5, limit body;6, rotating assembly;7, fixed component;8, limit block;9, limit slot;10, rotating peg;11, rotating block;12, fixed sheet;13, fixed body;14, fixed column;15, fixed block;16, movable slot;17, fixed hole;18, top shell;19, bottom shell;20, filter core;21, bolt assembly;22, stud;23, nut. DETAILED DESCRIPTION

[0025] The utility model will be further explained below in combination with the drawings and implementation.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 And Figure 8 Among them, Figure 1 Whole structure schematic drawing of air compressor filter equipment is provided for the utility model; Figure 2 Split structure schematic drawing of air compressor filter equipment is provided for the utility model; Figure 3 Whole structure schematic drawing of limit connection subassembly and top shell is provided for the utility model;Figure 4 The utility model provides a limit connection subassembly and the whole structure schematic diagram of another state of top shell provides, Figure 5 The utility model provides a top shell, sealing ring and the local structure schematic diagram of pipe, Figure 6 The utility model provides a split structure schematic diagram of pipe and sealing ring, Figure 7 The utility model provides a whole structure schematic diagram of limit connection subassembly, Figure 8 The utility model provides a whole structure schematic diagram of another state of limit connection subassembly.

[0027] In the specific implementation process, as Figures 1-8 The utility model provides a kind of air compressor filtering device, including filtering device main body 1, pipe 2 and limit connection subassembly 3, pipe 2 one end and filtering device main body 1 one end mutually adhere, and pipe 2 one end and filtering device main body 1 one end mutually adhere place is equipped with sealing ring 4;

[0028] Limit connection subassembly 3 includes two limit bodies 5, and two limit bodies 5 are connected by rotating assembly 6 between rotation, pipe 2 and the one end of filtering device main body 1 mutually adhered are all located in the inside of two limit bodies 5, and the surface of pipe 2 and the one end of filtering device main body 1 mutually adhered and the inside surface of two limit bodies 5 are adhered, and the one end of two limit bodies 5 is fixedly provided with fixed component 7 away from rotating assembly 6;

[0029] It needs to be explained that two limit bodies 5 cooperate with fixed component 7 and can well limit and connect pipe 2 and filtering device main body 1, facilitate the positioning of connecting hole, so that multiple bolt assemblies 21 pass through connecting hole, facilitate bolt installation to its filtering device main body 1, and limit connection subassembly 3 plays a certain protective role to the connecting place of pipe 2 and filtering device main body 1, prevents the influence of external weak connection.

[0030] Multiple limit blocks 8 are fixedly provided in the inside of limit body 5, and the surface of the one end of pipe 2 and filtering device main body 1 is provided with multiple limit grooves 9 matched with the cross section of multiple limit blocks 8, and multiple limit blocks 8 are located in the inside of multiple limit grooves 9 respectively, and the outside surface of multiple limit blocks 8 and the inner wall of multiple limit grooves 9 are adhered;

[0031] It needs to be explained that the use of limit groove 9 cooperates with limit block 8, which can prevent the filtering device main body 1 at the connecting place from being deviated due to vibration during the operation of entire air compressor equipment, ensure the sealing of connecting place, so that the sealing property of connecting place is reduced due to vibration, and gas leakage is avoided.

[0032] The rotating assembly 6 comprises a rotating bolt 10 and a plurality of rotating blocks 11, one side of the plurality of rotating blocks 11 is fixedly connected with the outer surface of the limiting body 5, the plurality of rotating blocks 11 are sleeved on the surface of the rotating bolt 10, and the plurality of rotating blocks 11 are rotationally connected with the rotating bolt 10.

[0033] It should be noted that the plurality of rotating blocks 11 are fixedly connected with the limiting body 5, so that the fixed body 13 also rotates along the central axis of the rotating bolt 10, and the limiting block 8 provided in the limiting body 5 is convenient to enter the limiting groove 9, so that the connecting portion is positioned and clamped.

[0034] The fixed member 7 comprises a fixed sheet 12 and a fixed body 13, one side of the fixed sheet 12 is fixedly connected with the surface of the top limiting body 5, one side of the fixed body 13 is fixedly connected with the surface of the bottom limiting body 5, the top of the fixed body 13 is fixedly provided with a fixed column 14, the surface of the fixed sheet 12 is provided with a movable groove 16 for mounting the fixed column 14, the fixed column 14 is movably located in the movable groove 16, and the surface of the fixed column 14 is in close contact with the inner side wall of the movable groove 16.

[0035] It should be noted that the fixed member 7 is used in cooperation with the rotating assembly 6 to limit and fix the two limiting bodies 5, and the fixed sheet 12, the fixed column 14 and the fixed block 15 are used in cooperation to limit the two limiting bodies 5, so that the connecting portion is protected and connected.

[0036] The fixed member 7 further comprises a fixed block 15, the surface of the fixed block 15 is provided with a fixed hole 17 with the same cross-sectional dimension as the fixed column 14, the fixed block 15 is sleeved on the surface of the fixed column 14, the fixed block 15 is detachably connected with the fixed column 14, and the bottom surface of the fixed block 15 is in close contact with the top surface of the fixed sheet 12.

[0037] The filter device body 1 comprises a top shell 18, a bottom shell 19 and a filter core 20, the filter core 20 is located in the top shell 18 and the bottom shell 19 and is detachably connected through a plurality of bolt assemblies 21.

[0038] It should be noted that the sealing ring 4 is used for sealing the connecting portion, so as to increase the sealing property of the connecting portion and prevent the passing gas from leaking.

[0039] The bolt assembly 21 comprises a stud 22 and a nut 23, the stud 22 penetrates the surfaces of the mutually abutting portions of the top shell 18 and the bottom shell 19, the nut 23 is sleeved on the surface of the stud 22, and the top of the nut 23 is in close contact with the top end of the bottom shell 19.

[0040] The working principle of the utility model is as follows:

[0041] When the air compressor filter device is installed, first, the sealing ring 4 is placed at the connecting position of the conduit 2 and the filter device body 1, then the limiting groove 9 at the connecting position of the filter device body 1 and the conduit 2 is aligned with each other, at this time, the limiting bodies 5 in the limiting connecting assembly 3 are rotated along the central axis of the rotating bolt 10, so that the two limiting bodies 5 are limited and sleeved to the connecting position of the conduit 2, then the plurality of limiting blocks 8 in the limiting body 5 are clamped into the limiting groove 9, the connecting position is limited, at this time, the fixed column 14 in the fixed member 7 is slidably located in the movable groove 16, at this time, the fixed block 15 is rotated to the coaxial direction of the fixed column 14 for threaded connection, until the bottom surface of the fixed block 15 and the top surface of the fixed plate 12 are attached to each other, the mutual connection between the filter device body 1 and the conduit 2 is completed.

[0042] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. An air compressor filtration device, characterized in that, include: The filter device body (1), the conduit (2) and the limiting connection assembly (3) are provided. One end of the conduit (2) is in contact with one end of the filter device body (1), and a sealing ring (4) is provided at the point where one end of the conduit (2) and one end of the filter device body (1) are in contact. The limiting connection assembly (3) includes two limiting bodies (5), which are rotatably connected by a rotating assembly (6). The ends of the conduit (2) and the filter device body (1) that are in contact with each other are located inside the two limiting bodies (5), and the surfaces of the ends of the conduit (2) and the filter device body (1) that are in contact with each other are in contact with the inner surfaces of the two limiting bodies (5). A fixing member (7) is fixedly provided at the end of the two limiting bodies (5) away from the rotating assembly (6).

2. The air compressor filtration device according to claim 1, characterized in that, The limiting body (5) is fixedly provided with multiple limiting blocks (8). Multiple limiting grooves (9) matching the cross-sections of the multiple limiting blocks (8) are opened on the surface of one end of the conduit (2) and one end of the filter device body (1). The multiple limiting blocks (8) are located inside the multiple limiting grooves (9), and the outer surface of the multiple limiting blocks (8) is in contact with the inner wall of the multiple limiting grooves (9).

3. The air compressor filtration device according to claim 2, characterized in that, The rotating assembly (6) includes a rotating bolt (10) and a plurality of rotating blocks (11). One side of each of the plurality of rotating blocks (11) is fixedly connected to the outer surface of the limiting body (5). Each of the plurality of rotating blocks (11) is sleeved on the surface of the rotating bolt (10). The plurality of rotating blocks (11) are rotatably connected to the rotating bolt (10).

4. The air compressor filtration device according to claim 3, characterized in that, The fixing component (7) includes a fixing plate (12) and a fixing body (13). One side of the fixing plate (12) is fixedly connected to the surface of the top limiting body (5), and one side of the fixing body (13) is fixedly connected to the surface of the bottom limiting body (5). A fixing post (14) is fixedly provided on the top of the fixing body (13). A movable groove (16) for installing the fixing post (14) is opened on the surface of the fixing plate (12). The fixing post (14) is movably located inside the movable groove (16), and the surface of the fixing post (14) is in contact with the inner wall of the movable groove (16).

5. The air compressor filter device according to claim 4, characterized in that, The fixing component (7) further includes a fixing block (15). The surface of the fixing block (15) is provided with a fixing hole (17) with the same cross-sectional size as the fixing post (14). The fixing block (15) is sleeved on the surface of the fixing post (14). The fixing block (15) and the fixing post (14) are detachably connected, and the bottom surface of the fixing block (15) is in contact with the top surface of the fixing piece (12).

6. The air compressor filtration device according to claim 5, characterized in that, The filter device body (1) includes a top housing (18), a bottom housing (19) and a filter element (20). The filter element (20) is located inside the top housing (18) and the bottom housing (19) and is detachably connected by multiple bolt assemblies (21).

7. The air compressor filtration device according to claim 6, characterized in that, The bolt assembly (21) includes a stud (22) and a nut (23). The stud (22) penetrates the surfaces of the top housing (18) and the bottom housing (19) where they meet. The nut (23) is fitted onto the surface of the stud (22), and the top of the nut (23) is in contact with the top of the bottom housing (19).

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