Horizontal air filter structure of commercial vehicle

Abstract

The invention discloses a horizontal air filter structure for a commercial vehicle. The horizontal air filter structure comprises a horizontal shell, one end of the shell is provided with an air inlet, the other end of the shell is connected with an air outlet, the top of the shell is connected with a maintenance end cover, and a filter element is arranged in the shell; the filter element comprises a filter layer, and air inlet and outlet ends of the filter layer are respectively connected with air inlet and outlet end frames; the two ends of the air inlet end frame in the length direction are connected with handles, the air outlet end of the air outlet end frame is connected with a sealing rubber ring in the circumferential direction, and the air outlet extends into the air outlet end frame and is in sealing fit with the sealing rubber ring. The air inlet is communicated with the air inlet end frame; the inner surface of the shell is provided with two vertical caulking grooves corresponding to the lifting handles in a one-to-one mode, and the lifting handles are embedded in the caulking grooves. And the handle is provided with an arc-shaped notch convenient for fingers to extend into the handle groove. And a flow guide opening for uniformly distributing inlet air on the air inlet end of the filter element is formed in the air inlet cavity. The device can be installed on a girder support on the right rear portion of a cab, the maintenance end cover can be opened upwards conveniently, and the filter element can be maintained or replaced conveniently.

Description

Technical Field

[0001] The invention relates to the technical field of a commercial vehicle horizontal air filter. The air filter is characterized by long maintenance mileage, low flow resistance and a new installation layout structure. Background Art

[0002] Existing commercial vehicle horizontal air filters usually use cylindrical pleated filter elements, which cause the air filter to occupy chassis space and cannot meet customer needs. Therefore, it is necessary to develop a commercial vehicle horizontal air filter structure whose filter element has a runway-shaped cross-section.

[0003] With the development of technology, more and more devices need to be installed in the installation space of commercial vehicles, making the installation space in commercial vehicles increasingly compact. In order to save space more fully, the present invention innovatively proposes a technical solution of horizontally installing the air filter on the beam bracket at the right rear of the cab. However, when the air filter is installed in this position, there is a lack of space in the axial direction (horizontally) to open the maintenance cover, which is inconvenient for maintenance.

[0004] Therefore, the present invention has developed an air filter with a maintenance end cover that can be opened upward, and the installation structure of the filter element is convenient for vertical installation or removal. Summary of the invention

[0005] The object of the present invention is to provide a commercial vehicle horizontal air filter structure, an air filter with an end cover that can be opened upward for maintenance, and a filter element installation structure that is convenient for vertical installation or removal.

[0006] To achieve the above object, the present invention provides a commercial vehicle horizontal air filter structure, comprising a horizontally arranged horizontal housing, one end of the housing is integrally provided with an air inlet, and the housing at the opposite end of the air inlet is connected with an air outlet; The top of the shell is open and connected with a maintenance end cover, which is snap-connected or screw-connected to the shell; a filter element is arranged in the shell; The filter element comprises a filter layer with a racetrack-shaped cross section, the air inlet end of the filter layer is connected to an air inlet end frame, and the air outlet end of the filter layer is connected to an air outlet end frame; Both ends of the air inlet end frame in the length direction are connected with handles, and the air outlet end of the air outlet end frame is connected with a sealing rubber ring in the circumferential direction. The sealing rubber ring protrudes from the filter layer and the air outlet end frame in the air outlet direction, and the air outlet extends into the air outlet end frame and forms a radial sealing fit with the sealing rubber ring; the air inlet is communicated with the air inlet end frame, and an air inlet cavity is formed between the air inlet and the air inlet end frame; The inner surface of the shell body is provided with two vertical embedding grooves corresponding to the handles one by one, and the handles are embedded in the corresponding embedding grooves from top to bottom.

[0007] A handle groove is arranged in the handle, and an arc-shaped notch is arranged on the upper surface of the handle for facilitating fingers to extend into the handle groove.

[0008] A guide port is provided in the air inlet cavity at the air inlet; the air inlet end of the guide port faces the air inlet, the air outlet end of the guide port faces the air inlet end of the filter element, the air outlet end of the guide port is larger than the air inlet end, a plurality of guide blades and separators perpendicular to the guide blades are provided in the guide port, the guide blades are inclined, and the guide blades and the separators divide the guide port into a plurality of flow channels; the virtual line between the center of the guide port and the center of the air inlet end of the filter element is called the reference line, and each flow channel is parallel to the reference line; the extension line of the side wall of the guide port corresponds to the air inlet end covering the entire filter element.

[0009] The outer wall of the air guide port is connected with a number of plug-in positioning plates at intervals, and the inner wall of the shell at the air inlet is provided with a number of positioning slots corresponding to the plug-in positioning plates, and each plug-in positioning plate is plugged into the corresponding positioning slot; a screw seat is provided at the bottom of the air guide port, and a mounting hole is provided on the screw seat. A screw is provided in the mounting hole, and the screw is connected to the shell downward.

[0010] The air outlet is welded to the shell or connected by screws; the shell is connected to a number of horizontally arranged mounting brackets at intervals in the circumferential direction, each mounting bracket is provided with a vertical hole, and the mounting bracket is used to horizontally mount the shell on the outside of the commercial vehicle frame at the right rear of the cab.

[0011] The outer surface of the maintenance end cover is convexly provided with transverse reinforcing ribs, and the inner surface of the maintenance end cover is provided with guide vertical ribs and a limit platform, and the limit platform constrains the vertical position of the filter element downward.

[0012] An alarm interface for installing an alarm is provided on the outer wall of the air outlet.

[0013] A supporting frame for supporting the air outlet is arranged inside the air inlet end of the air outlet.

[0014] The upper surface of the bottom wall of the shell body is provided with convex ribs for supporting the filter element.

[0015] The present invention has the following advantages: The two vertical grooves and the inner surface of the air outlet end of the shell together constrain the position of the filter element in the horizontal plane (i.e., constrain the position in the X and Y directions), but do not constrain the vertical position of the filter element (i.e., the Z direction position), providing a structural basis for the upper and lower installation or removal of the filter element.

[0016] The arc-shaped notch is very convenient for removing the filter element. Insert your fingers into the handle groove and lift the filter element upwards.

[0017] If there is enough space, it is most appropriate to set both the air inlet and the air outlet in the middle of the housing (corresponding to the middle of the filter element). However, the installation space of some models limits the location of the air inlet, and the air inlet must be set on the side of the housing air inlet end. In this way, after the gas in the air inlet enters the air inlet cavity, the filter layer facing the air inlet passes most of the airflow, while the filter layer far from the air inlet only passes a small part of the filter layer, so that the filter layer cannot be fully utilized, the flow resistance is increased, and the service life of the filter layer is uneven. When the filter layer with more airflow is blocked and reaches its service life, the service life of the filter layer with less airflow is far from reaching the service life, thus greatly shortening the service life of the filter element and shortening the maintenance mileage. Therefore, for air filters that are limited by the installation space and can only be installed eccentrically, it is necessary to set a guide port.

[0018] Each flow channel is parallel to the reference line, and the extension line of the side wall of the guide port corresponds to the air inlet end covering the entire filter element, which can evenly guide the air intake to various parts of the filter element's air inlet end, allowing the airflow to pass through the filter layer more evenly, making full use of the filter layer, reducing flow resistance, increasing the overall service life of the filter element, and extending maintenance mileage.

[0019] The installation structure of the air guide port is simple and convenient. During assembly, first insert the plug-in positioning plates of the air guide port into the corresponding positioning slots from top to bottom to achieve horizontal positioning of the positioning plates, and then tighten the screws to achieve vertical positioning of the air guide port. When disassembling, just perform the reverse action. Both installation and disassembly are very convenient, meeting the needs of maintenance in the upper and lower directions.

[0020] The maintenance cover is used as a structure to restrict the vertical position of the filter element. Therefore, after opening the maintenance cover, the maintenance cover can be easily pulled up.

[0021] The alarm interface is convenient for installing the alarm. The support frame can prevent the air inlet end of the air outlet from being deformed, thereby preventing the seal between the air outlet and the sealing rubber ring from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the top structure of the present invention after removing the maintenance end cover.

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the present invention after removing the maintenance end cover, the filter element and the guide port.

[0024] Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention in a complete state.

[0025] Figure 4 It is a three-dimensional structural diagram of the filter element.

[0026] Figure 5 yes Figure 1 BB cross-sectional view.

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the air guide port, with the viewing angle being on the air intake side.

[0028] Figure 7 This is a schematic diagram of the three-dimensional structure of the air guide port from another angle, with the viewing angle being on the air outlet side.

[0029] Figure 8 It is a schematic diagram of the top view structure of the diversion port.

[0030] Fig. 9 This is a three-dimensional structural diagram of the maintenance end cover, with the viewing angle at the bottom.

[0031] Fig.10 It is a schematic diagram of the three-dimensional structure of the air outlet.

[0032] Fig.11 It is a schematic diagram of the top view of the structure of the present invention after removing the maintenance end cover, the filter element and the guide port. DETAILED DESCRIPTION

[0033] like Figures 1 to 11 As shown, a commercial vehicle horizontal air filter structure of the present invention comprises a horizontal housing 1, one end of the housing 1 is integrally provided with an air inlet 2, the housing 1 at the opposite end of the air inlet 2 is connected with an air outlet 3, the top of the housing 1 is open and connected with a maintenance end cover 4, the maintenance end cover 4 is snap-connected or screwed to the housing 1 (preferably connected by screws 5 as shown in the figure); a straight-through filter element is arranged in the housing 1; The filter element comprises a filter layer 6 with a racetrack-shaped cross section, an air inlet end of the filter layer 6 is connected to an air inlet end frame 7, and an air outlet end of the filter layer 6 is connected to an air outlet end frame 8; Both ends of the air inlet end frame 7 in the length direction are connected with handles 9, and the air outlet end of the air outlet end frame 8 is connected with a sealing rubber ring 10 in the circumferential direction (the sealing rubber ring 10 is preferably a PU sealing rubber strip), and the sealing rubber ring 10 protrudes from the filter layer 6 and the air outlet end frame 8 in the air outlet direction, and the air outlet 3 extends into the air outlet end frame 8 and forms a radial sealing fit with the sealing rubber ring 10 in the circumferential direction in the inner and outer directions; the air inlet 2 is communicated with the air inlet end frame 7, and an air inlet cavity 11 is formed between the air inlet 2 and the air inlet end frame 7; Two vertical embedding grooves 12 are provided on the inner surface of the housing 1 corresponding to the handles 9 , and the handles 9 are embedded in the corresponding embedding grooves 12 from top to bottom.

[0034] The two vertical grooves 12 and the inner surface of the air outlet end of the shell 1 jointly constrain the position of the filter element in the horizontal plane (i.e., constrain the position in the X and Y directions), but do not constrain the vertical position of the filter element (i.e., the Z direction position), providing a structural basis for the upper and lower installation or removal of the filter element.

[0035] A handle groove 13 is provided in the handle 9, and an arc-shaped notch 14 is provided on the upper surface of the handle 9 for convenient insertion of fingers into the handle groove 13. The arc-shaped notch 14 is very convenient for inserting fingers into the handle groove 13 to lift the filter element upward when removing the filter element.

[0036] A guide port 15 is provided in the air inlet cavity 11 at the air inlet 2; the air inlet end of the guide port 15 faces the air inlet 2, the air outlet end of the guide port 15 faces the air inlet end of the filter element, the air outlet end of the guide port 15 is larger than its air inlet end, a plurality of guide blades 16 and a separator 17 perpendicular to the guide blades 16 are provided in the guide port 15, the guide blades 16 are arranged obliquely, and the guide blades 16 and the separators 17 divide the guide port 15 into a plurality of flow channels 18; the virtual line between the center of the guide port 15 and the center of the air inlet end of the filter element is called the reference line, and each flow channel 18 is parallel to the reference line; the extension line of the side wall of the guide port 15 corresponds to the air inlet end covering the entire filter element. In this embodiment, if the side wall of the guide port 15 parallel to the guide blade 16 is also regarded as a guide blade, then there are four guide blades 16 in total.

[0037] If there is enough space, it is most appropriate to set both the air inlet 2 and the air outlet 3 in the middle of the housing 1 (corresponding to the middle of the filter element). However, the installation space of some models limits the location of the air inlet 2, and the air inlet 2 must be set on the side of the air inlet end of the housing 1. In this way, after the gas in the air inlet 2 enters the air inlet cavity 11, the filter layer 6 facing the air inlet 2 passes through most of the airflow, while the filter layer 6 far from the air inlet 2 only passes through a small part of the filter layer 6, so that the filter layer 6 cannot be fully utilized, the flow resistance is increased, and the service life of the filter layer 6 is uneven. When the filter layer 6 with more airflow is blocked and reaches its service life, the service life of the filter layer 6 with less airflow is far from reaching the service life, thereby greatly shortening the service life of the filter element and shortening the maintenance mileage. Therefore, for air filters that are limited by the installation space and can only be installed eccentrically with the air inlet 2, it is necessary to set a guide port 15.

[0038] Each flow channel 18 is parallel to the reference line, and the extension line of the side wall of the guide port 15 corresponds to the air inlet end covering the entire filter element, which can evenly guide the air intake to various parts of the air inlet end of the filter element, so that the airflow passes through the filter layer 6 more evenly, so that the filter layer 6 is fully utilized, the flow resistance is reduced, the overall service life of the filter element is increased, and the maintenance mileage is extended.

[0039] The outer wall of the air guide port 15 is connected with a plurality of plug-in positioning plates 19 at intervals, and the inner wall of the housing 1 at the air inlet 2 is provided with a plurality of positioning slots 20 corresponding to the plug-in positioning plates 19, and each plug-in positioning plate 19 is plugged into the corresponding positioning slot 20; a screw seat 21 is provided at the bottom of the air guide port 15, and a mounting hole 22 is provided on the screw seat 21, and a screw 5 is provided in the mounting hole 22, and the screw 5 is connected downward to the housing 1. In this embodiment, three plug-in positioning plates 19 and three positioning slots 20 are provided.

[0040] The installation structure of the guide port 15 is simple and convenient. During assembly, first insert the plug-in positioning plates 19 of the guide port 15 into the corresponding positioning slots 20 from top to bottom to achieve horizontal positioning of the positioning plates, and then tighten the screws 5 to achieve vertical positioning of the guide port 15. When disassembling, just perform the reverse action. Both installation and disassembly are very convenient, meeting the needs of maintenance in the upper and lower directions.

[0041] The air outlet 3 is welded to the shell 1 or connected by screws 5; the shell 1 is connected to a plurality of horizontally arranged mounting brackets 23 at intervals in the circumferential direction, each mounting bracket 23 is provided with a vertical hole 24, and the mounting bracket 23 is used to horizontally mount the shell 1 on the outer side of the commercial vehicle beam at the right rear of the cab.

[0042] The outer surface (i.e., the upper surface) of the maintenance end cover 4 is provided with a transverse reinforcing rib 25, and the inner surface (i.e., the lower surface) of the maintenance end cover 4 is provided with a guide vertical rib 26 and a limit platform 27, and the limit platform 27 constrains the vertical position of the filter element downward. The maintenance end cover 4 is a structure that constrains the vertical position of the filter element, so after opening the maintenance end cover 4, the maintenance end cover 4 can be easily pulled up.

[0043] The outer wall of the air outlet 3 is provided with an alarm interface 28 for installing an alarm. The alarm interface 28 facilitates the installation of the alarm. A support frame 29 for supporting the air outlet 3 is provided inside the air inlet end of the air outlet 3. The support frame 29 can prevent the air inlet end of the air outlet 3 from being deformed, thereby preventing the seal between the air outlet 3 and the sealing rubber ring 10 from being damaged.

[0044] The upper surface of the bottom wall of the housing 1 is provided with a convex rib 30 for supporting the filter element.

[0045] During assembly, the air outlet 3 is first welded or screwed 5 to the housing 1, and the air inlet end of the air outlet 3 extends into the housing 1. There is no order for installing the filter element and the guide port 15, but it is more appropriate to install the filter element first and then the guide port 15, because the guide port 15 only needs to be operated vertically, but the filter element has a process of tilting and then pressing vertically, which requires a relatively larger installation operation space than installing the guide port 15.

[0046] When installing the filter element, first put the sealing rubber ring 10, i.e., the PU sealing strip, on the circumferential outer surface of the air inlet end of the air outlet 3, and then press the air inlet end of the filter element downward to embed the handle 9 into the corresponding groove 12, and locate the X- and Z-direction positions of the filter element so that the filter element cannot move in the horizontal direction.

[0047] When installing the guide port 15, place the guide port 15 into the housing 1 vertically from top to bottom, and at the same time align and insert each plug-in positioning plate 19 into the corresponding positioning slot 20 to fix the horizontal position of the guide port 15, and finally tighten the screw 5 downward to fix the vertical position of the guide port 15.

[0048] Cover the maintenance end cover 4, use the screw 5 to connect the maintenance end cover 4 and the housing 1, limit the vertical position of the filter element downward by the limiter 27, and fix the filter element. When in use, the present invention is arranged at the right rear of the cab, installed on the outside of the beam by lying flat, connected to the in-place air inlet through the mounting bracket 23, and the clean pipeline connected to the air outlet 3 is connected to the supercharger.

[0049] When the filter element needs to be replaced or maintained, there is no need to disassemble the housing 1 from the motor vehicle. One only needs to open the maintenance end cover 4, insert one's finger into the handle groove 13 through the arc-shaped notch 14, and then pull up the filter element to replace or maintain the filter element, which is very convenient.

[0050] The above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can still be modified or replaced by equivalents. Any modification or partial replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A commercial vehicle horizontal air filter structure, comprising a horizontally arranged horizontal housing, one end of the housing is integrally provided with an air inlet, and the housing at the opposite end of the air inlet is connected with an air outlet, characterized in that: The top of the shell is open and connected with a maintenance end cover, which is snap-connected or screw-connected to the shell; a filter element is arranged in the shell; The filter element comprises a filter layer with a racetrack-shaped cross section, the air inlet end of the filter layer is connected to an air inlet end frame, and the air outlet end of the filter layer is connected to an air outlet end frame; Both ends of the air inlet end frame in the length direction are connected with handles, and the air outlet end of the air outlet end frame is connected with a sealing rubber ring in the circumferential direction. The sealing rubber ring protrudes from the filter layer and the air outlet end frame in the air outlet direction, and the air outlet extends into the air outlet end frame and forms a radial sealing fit with the sealing rubber ring; the air inlet is communicated with the air inlet end frame, and an air inlet cavity is formed between the air inlet and the air inlet end frame; The inner surface of the shell body is provided with two vertical embedding grooves corresponding to the handles one by one, and the handles are embedded in the corresponding embedding grooves from top to bottom.

2. A commercial vehicle horizontal air filter structure according to claim 1, characterized in that: A handle groove is arranged in the handle, and an arc-shaped notch is arranged on the upper surface of the handle for facilitating fingers to extend into the handle groove.

3. A commercial vehicle horizontal air filter structure according to claim 1, characterized in that: A guide port is provided in the air inlet cavity at the air inlet; the air inlet end of the guide port faces the air inlet, the air outlet end of the guide port faces the air inlet end of the filter element, the air outlet end of the guide port is larger than the air inlet end, a plurality of guide blades and separators perpendicular to the guide blades are provided in the guide port, the guide blades are inclined, and the guide blades and the separators divide the guide port into a plurality of flow channels; the virtual line between the center of the guide port and the center of the air inlet end of the filter element is called the reference line, and each flow channel is parallel to the reference line; the extension line of the side wall of the guide port corresponds to the air inlet end covering the entire filter element.

4. A commercial vehicle horizontal air filter structure according to claim 3, characterized in that: The outer wall of the air guide port is connected with a number of plug-in positioning plates at intervals, and the inner wall of the shell at the air inlet is provided with a number of positioning slots corresponding to the plug-in positioning plates, and each plug-in positioning plate is plugged into the corresponding positioning slot; a screw seat is provided at the bottom of the air guide port, and a mounting hole is provided on the screw seat. A screw is provided in the mounting hole, and the screw is connected to the shell downward.

5. The commercial vehicle horizontal air filter structure according to claim 1, characterized in that: The air outlet is welded to the shell or connected by screws; the shell is connected to a number of horizontally arranged mounting brackets at intervals in the circumferential direction, each mounting bracket is provided with a vertical hole, and the mounting bracket is used to horizontally mount the shell on the outside of the commercial vehicle frame at the right rear of the cab.

6. A commercial vehicle horizontal air filter structure according to claim 1, characterized in that: The outer surface of the maintenance end cover is convexly provided with transverse reinforcing ribs, and the inner surface of the maintenance end cover is provided with guide vertical ribs and a limit platform, and the limit platform constrains the vertical position of the filter element downward.

7. A commercial vehicle horizontal air filter structure according to claim 1, characterized in that: An alarm interface for installing an alarm is provided on the outer wall of the air outlet.

8. The commercial vehicle horizontal air filter structure according to claim 1, characterized in that: A supporting frame for supporting the air outlet is arranged inside the air inlet end of the air outlet.

9. The commercial vehicle horizontal air filter structure according to claim 1, characterized in that: The upper surface of the bottom wall of the shell body is provided with convex ribs for supporting the filter element.

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