Insertion pipe of air filter

Abstract

The utility model discloses an insertion pipe of an air filter, and relates to the technical field of air filters. The filter comprises an insertion pipe body, supporting plates and a filter cartridge, a plurality of fixing sleeves are welded to the two opposite surfaces of the insertion pipe body, sliding rods are embedded in the fixing sleeves, the circumferential side faces of the sliding rods are in sliding fit with the inner surfaces of the fixing sleeves, the supporting plates are welded to one ends of the sliding rods, and the two supporting plates are of an arc-shaped plate body structure. The filter cartridge is embedded in one end of the insert pipe body, a connecting end is welded to one end of the filter cartridge and is of an annular plate structure, and the peripheral side face of the connecting end is in threaded fit with the inner surface of the insert pipe body. Through the structure of the fixed sleeve, the sliding rod and the supporting plate, installation of the insertion pipe body is facilitated, meanwhile, the stability of the device during installation and use is improved, the situation that the device falls off during later use, later use is affected is avoided, and the convenience of the device during use is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air filters, in particular to an air filter insertion tube. Background Art

[0002] The air filter is a kind of filter, also called air filter cartridge, air filter, style, etc. It is mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operating rooms and various precision operating rooms. The engine needs to inhale a large amount of air during operation. If the air is not filtered, the dust suspended in the air will be sucked into the cylinder, which will accelerate the wear of the piston group and the cylinder. Large particles entering between the piston and the cylinder will cause serious "cylinder pulling", which is particularly serious in dry and sandy working environments. The air filter is installed in front of the carburetor or the intake pipe to filter out dust and sand in the air to ensure that sufficient and clean air enters the cylinder.

[0003] In the prior art, the air filter insertion tube generally has a relatively simple structure, which is prone to instability during installation and is prone to falling off later, affecting later use. Utility Model Content

[0004] The utility model aims to provide an air filter insertion tube to solve the existing problem of unstable installation.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses an air filter insertion tube, comprising an insertion tube body, a support plate and a filter cartridge, wherein a plurality of fixed sleeves are welded on two opposite surfaces of the insertion tube body, and sliding rods are embedded in the interior of the fixed sleeves, and the peripheral side surfaces of the sliding rods are slidably matched with the inner surface of the fixed sleeves, which is convenient for the installation of the insertion tube body and improves the stability of the device during installation and use, avoids the situation of falling off during later use, affecting the later use, and improves the convenience of the device during use, the support plate is welded to one end of the sliding rod, and the two support plates are arc-shaped plate structures, the filter cartridge is embedded in one end of the insertion tube body, and a connecting end is welded on one end of the filter cartridge, and the connecting end is an annular plate structure, and the peripheral side surfaces of the connecting end are screwed and matched with the inner surface of the insertion tube body.

[0007] Furthermore, a plurality of leakage holes are arranged on the peripheral side of the filter cartridge, and the leakage holes are connected to the inside of the filter cartridge, and a filter mesh bag is placed inside the filter cartridge.

[0008] Furthermore, the filter mesh bag is movably connected to the filter cartridge, and activated carbon is placed inside the filter mesh bag to further improve the filtering effect of the device.

[0009] Furthermore, two opposite surfaces inside the fixed sleeve are provided with limiting grooves, and sliding rods are installed inside the two limiting grooves. A pressure plate is welded to the other end of the sliding rod, and both ends of the pressure plate extend into the two limiting grooves respectively.

[0010] Furthermore, the two ends of the pressing plate are respectively slidably matched with the two limiting grooves, one end of the two sliding rods penetrates a surface of the pressing plate, and the peripheral side surfaces of the two sliding rods are slidably matched with the pressing plate.

[0011] Furthermore, a support spring is welded on a surface of the pressure plate, and one end of the support spring is welded to a surface inside the fixed sleeve.

[0012] Furthermore, a cover plate is welded to the other end of the insertion tube body, and positioning rods are installed on both sides of the upper surface of the cover plate. One end of the two positioning rods passes through a surface of the cover plate, and the peripheral side surfaces of the two positioning rods are slidably matched with the cover plate.

[0013] Furthermore, a pull plate is welded to the other end of the two positioning rods, and connecting springs are welded between one surface of the two pull plates and the other end surface of the cover plate. The two connecting springs are respectively wrapped around the side surfaces of the two positioning rods to facilitate the insertion and fixation of the device body and improve the convenience of the device when used.

[0014] The utility model has the following beneficial effects:

[0015] The utility model fixes the sleeve, the sliding rod and the support plate structure, which facilitates the installation of the insertion tube body, improves the stability of the device when it is installed and used, avoids the situation of falling off during later use, which affects the later use, and improves the convenience of using the device.

[0016] The utility model further improves the filtering effect of the device through the filter cartridge and the activated carbon structure, and at the same time facilitates the insertion and fixation of the device body through the positioning rod and the connecting spring structure, thereby improving the convenience of the device when in use.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the structure of an air filter insertion tube of the utility model;

[0020] Figure 2 This is a front structural schematic diagram of an air filter insertion tube of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the fixed sleeve in the utility model;

[0022] Figure 4 It is a schematic diagram of the internal structure of the filter cartridge in the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Insert tube body; 2. Fixed sleeve; 3. Sliding rod; 4. Limiting groove; 5. Sliding rod; 6. Pressure plate; 7. Support spring; 8. Support plate; 9. Filter cartridge; 10. Leakage hole; 11. Cover plate; 12. Positioning rod; 13. Connecting spring; 14. Pull plate; 15. Connecting end; 16. Filter mesh bag; 17. Activated carbon. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0027] See also Figure 1-Figure 4 As shown, the utility model is an air filter insertion tube, including an insertion tube body 1, a support plate 8 and a filter cartridge 9. A plurality of fixed sleeves 2 are welded on two opposite surfaces of the insertion tube body 1. Sliding rods 3 are embedded inside the fixed sleeves 2. The side surfaces of the sliding rods 3 are slidably matched with the inner surface of the fixed sleeves 2, which is convenient for the installation of the insertion tube body 1 and improves the stability of the device during installation and use, avoids falling off during later use, affects the later use, and improves the convenience of the device during use. The support plate 8 is welded at one end of the sliding rod 3, and the two support plates 8 are an arc-shaped plate structure. The filter cartridge 9 is embedded at one end of the insertion tube body 1. A connecting end 15 is welded at one end of the filter cartridge 9. The connecting end 15 is an annular plate structure, and the side surfaces of the connecting end 15 are screwed together with the inner surface of the insertion tube body 1.

[0028] A plurality of leakage holes 10 are arranged on the side surface of the filter cartridge 9 , and the leakage holes 10 are connected to the inside of the filter cartridge 9 . A filter mesh bag 16 is placed inside the filter cartridge 9 .

[0029] The filter bag 16 is movably connected to the filter cartridge 9, and activated carbon 17 is placed inside the filter bag 16 to further improve the filtering effect of the device.

[0030] Limiting grooves 4 are arranged on two opposite surfaces inside the fixed sleeve 2 , and sliding rods 5 are installed inside the two limiting grooves 4 . A pressing plate 6 is welded to the other end of the sliding rod 3 , and both ends of the pressing plate 6 extend into the two limiting grooves 4 respectively.

[0031] The two ends of the pressing plate 6 are respectively slidably matched with the two limiting grooves 4 , one end of the two sliding rods 5 penetrates through a surface of the pressing plate 6 , and the side surfaces of the two sliding rods 5 are slidably matched with the pressing plate 6 .

[0032] A support spring 7 is welded to one surface of the pressure plate 6 , and one end of the support spring 7 is welded to an inner surface of the fixed sleeve 2 .

[0033] A cover plate 11 is welded to the other end of the insertion tube body 1. Positioning rods 12 are installed on both sides of the upper surface of the cover plate 11. One end of the two positioning rods 12 passes through a surface of the cover plate 11. The side surfaces of the two positioning rods 12 are slidably matched with the cover plate 11.

[0034] A pull plate 14 is welded to the other end of the two positioning rods 12, and a connecting spring 13 is welded between one surface of the two pull plates 14 and the other end surface of the cover plate 11. The two connecting springs 13 are respectively wrapped around the sides of the two positioning rods 12 to facilitate the insertion and fixation of the device body and improve the convenience of the device when used.

[0035] See also Figure 1-Figure 4 As shown, the utility model is an air filter insertion tube, and its method of use is as follows: through the structure of the fixing sleeve 2, the sliding rod 3 and the supporting plate 8, the installation of the insertion tube body 1 is facilitated, and at the same time, the stability of the device during installation and use is improved, so as to avoid the situation of falling off during later use, affecting the later use, and improving the convenience of the device during use; through the structure of the filter cartridge 9 and the activated carbon 17, the filtering effect of the device is further improved, and at the same time, through the structure of the positioning rod 12 and the connecting spring 13, the insertion and fixation of the device body are facilitated, and the convenience of the device during use is improved.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An air filter insertion tube, comprising an insertion tube body (1), a support plate (8) and a filter cartridge (9), characterized in that: A plurality of fixed sleeves (2) are welded to two opposite surfaces of the insertion tube body (1), and a sliding rod (3) is installed inside the fixed sleeve (2). The side surface of the sliding rod (3) is slidably matched with the inner surface of the fixed sleeve (2). The support plate (8) is welded to one end of the sliding rod (3), and the two support plates (8) are arc-shaped plate structures. The filter cartridge (9) is installed at one end of the insertion tube body (1), and a connecting end (15) is welded to one end of the filter cartridge (9). The connecting end (15) is an annular plate structure, and the side surface of the connecting end (15) is threadedly matched with the inner surface of the insertion tube body (1).

2. An air filter insertion tube according to claim 1, characterized in that: A plurality of leakage holes (10) are arranged on the side surface of the filter cartridge (9), and the leakage holes (10) are connected to the inside of the filter cartridge (9). A filter mesh bag (16) is placed inside the filter cartridge (9).

3. An air filter insertion tube according to claim 2, characterized in that: The filter mesh bag (16) is movably connected to the filter cartridge (9), and activated carbon (17) is placed inside the filter mesh bag (16).

4. The air filter insertion tube according to claim 1, characterized in that: Limiting grooves (4) are provided on two opposite surfaces inside the fixed sleeve (2), and sliding rods (5) are installed inside the two limiting grooves (4). A pressure plate (6) is welded to the other end of the sliding rod (3), and both ends of the pressure plate (6) extend into the inside of the two limiting grooves (4) respectively.

5. An air filter insertion tube according to claim 4, characterized in that: The two ends of the pressing plate (6) are respectively slidably engaged with the two limit grooves (4), one end of the two sliding rods (5) penetrates a surface of the pressing plate (6), and the peripheral side surfaces of the two sliding rods (5) are slidably engaged with the pressing plate (6).

6. An air filter insertion tube according to claim 5, characterized in that: A support spring (7) is welded to one surface of the pressure plate (6), and one end of the support spring (7) is welded to an inner surface of the fixed sleeve (2).

7. An air filter insertion tube according to claim 1, characterized in that: A cover plate (11) is welded to the other end of the insertion tube body (1), and positioning rods (12) are installed on both sides of the upper surface of the cover plate (11). One end of the two positioning rods (12) penetrates a surface of the cover plate (11), and the side surfaces of the two positioning rods (12) are slidably matched with the cover plate (11).

8. An air filter insertion tube according to claim 7, characterized in that: A pull plate (14) is welded to the other end of the two positioning rods (12), and a connecting spring (13) is welded between one surface of the two pull plates (14) and the other end surface of the cover plate (11), and the two connecting springs (13) are respectively wound around the side surfaces of the two positioning rods (12).

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