Foldable air filter element

Abstract

The utility model discloses a foldable air filter element which comprises an air filter element body, a storage support adhered to one side of the air filter element body and an adjusting frame adhered to the other side of the air filter element body, and the adjusting frame is connected with the storage support through a multi-stage telescopic structure; the multi-stage telescopic structure comprises a first adjusting rod and a second adjusting rod, the first adjusting rod is movably arranged in the main storage groove, the main storage groove is formed in the storage support, the second adjusting rod is connected with the adjusting frame, the second adjusting rod is movably arranged in the auxiliary storage groove, the auxiliary storage groove is formed in the first adjusting rod, and the second adjusting rod is connected with the adjusting frame. According to the telescopic air filter element, the telescopic length of the air filter element body can be adjusted through stretching of the first adjusting rod and the second adjusting rod, meanwhile, the first adjusting rod and the second adjusting rod are locked, the stretching length of the air filter element body is fixed, the telescopic structure is simplified, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile accessories, and in particular relates to a foldable air filter element. Background Art

[0002] The air filter element 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.

[0003] For example, a car air filter disclosed in the utility model with authorization announcement number CN219654797U includes a foldable air filter body and a telescopic protective shell, wherein the foldable air filter body is installed inside the telescopic protective shell, and the telescopic protective shell includes an outer shell, a control component, a cross-linking rod component, a first connecting rod, a second connecting rod, a movable cover plate, a support plate and adhesive, a control component is installed on the left side of the inner side of the outer shell, and the front and rear sides of the right end of the control component are respectively connected to the cross-linking rod component, and the upper and lower sides of the right end of the cross-linking rod component are respectively connected to the first connecting rod through a rotating shaft. The rod is rotatably connected to the second connecting rod, and support plates are respectively arranged at the front and rear ends of the left side of the movable cover plate, and the right ends of the first connecting rod and the second connecting rod are rotatably connected to the support plate through a rotating shaft. By rotating the bolt head on the top of the telescopic protective shell, the foldable air filter element body can be driven to stretch through the movable cover plate, and it has a supporting effect after stretching. The above technical scheme performs telescopic adjustment through a screw rod and a cross-link assembly, and its overall adjustment structure is complex and expensive. At the same time, it quickly stretches and retracts the filter element body, and the telescopic adjustment is time-consuming. For this reason, we propose a foldable air filter element. Utility Model Content

[0004] The purpose of the utility model is to provide a foldable air filter element to solve the problem that the telescopic adjustment by means of a screw rod and a cross-link assembly proposed in the above-mentioned background technology has a complex overall adjustment structure and a high cost, and at the same time, the telescopic adjustment of the filter element body is time-consuming for rapid telescopic adjustment.

[0005] To achieve the above object, the utility model provides the following technical solution: a foldable air filter element, comprising an air filter element body, a storage bracket bonded to one side of the air filter element body, and an adjustment bracket bonded to the other side of the air filter element body, wherein the adjustment bracket is connected to the storage bracket through a multi-stage telescopic structure;

[0006] The multi-stage telescopic structure includes a first adjusting rod and a second adjusting rod, the first adjusting rod is movably arranged in a main receiving slot, the main receiving slot is arranged on a receiving bracket, the second adjusting rod is connected to the adjusting bracket, and the second adjusting rod is movably arranged in a secondary receiving slot, and the secondary receiving slot is arranged on the first adjusting rod.

[0007] Preferably, an adjusting screw is provided on the first adjusting rod, and the adjusting screw is movably provided in the first adjusting port. The first adjusting port is provided on the storage bracket and is connected with the first adjusting port and the main storage groove. The movement of the first adjusting rod is guided and limited by the adjusting screw moving in the first adjusting port.

[0008] Preferably, a threaded locking cap is provided on the adjusting screw, and the threaded locking cap is fitted with the storage bracket. By tightening the threaded locking cap, the position of the adjusting screw can be positioned, and then the telescopic position of the first adjusting rod can be positioned.

[0009] Preferably, a second adjustment opening is provided on the first adjustment rod, a positioning slide rod is movably provided in the second adjustment opening, one end of the positioning slide rod is connected to the second adjustment rod, and the movement of the positioning slide rod can be guided and limited by the movement of the second adjustment rod.

[0010] Preferably, a threaded hole is provided on the positioning slide rod, a locking screw is provided in the threaded hole, and a locking knob is provided on the locking screw, which can locate the position of the positioning slide rod and the telescopic position of the second adjusting rod.

[0011] Preferably, the locking knob is arranged in a countersunk groove, and the countersunk groove is arranged on the second adjusting rod, so that the locking knob can be hidden and stored, making it easy to store the second adjusting rod into the main storage groove.

[0012] Preferably, a metal ring is provided in the locking knob, and the metal ring is adsorbed and connected to the magnet plate. The magnet plate is embedded in the bottom of the countersunk groove, and the magnet plate is located on both sides of the second adjustment port, which can assist in fixing the locking knob and avoid the locking knob from loosening during use.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model can adjust the telescopic length of the air filter element body by extending and retracting the first adjusting rod and the second adjusting rod, and at the same time lock the first adjusting rod and the second adjusting rod to fix the stretched length of the air filter element body, which simplifies the telescopic structure and greatly reduces the manufacturing cost. At the same time, the telescopic length of the air filter element body can be quickly adjusted, and the adjustment operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the multi-stage telescopic structure in the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 4 It is a schematic diagram of a half-section structure of the assembly of the first adjusting rod and the second adjusting rod in the utility model;

[0019] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0020] In the figure: 1. multi-stage telescopic structure; 2. storage bracket; 3. air filter body; 4. adjustment frame; 101. first adjustment port; 102. first adjustment rod; 103. second adjustment rod; 104. main storage slot; 105. adjustment screw; 106. threaded locking cap; 107. auxiliary storage slot; 108. countersunk slot; 109. magnet plate; 110. second adjustment port; 111. positioning slide rod; 112. threaded hole; 113. locking screw; 114. locking knob; 115. metal ring. 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] See also Figure 1-Figure 5 The utility model provides a technical solution: a foldable air filter element, comprising an air filter element body 3, a storage bracket 2 bonded to one side of the air filter element body 3, and an adjustment bracket 4 bonded to the other side of the air filter element body 3, the adjustment bracket 4 is connected to the storage bracket 2 through a multi-stage telescopic structure 1, specifically, the multi-stage telescopic structure 1 is provided with two groups, and the adjustment bracket 4 is connected to the storage bracket 2 through two groups of multi-stage telescopic structures 1, which can improve the stability of the movement of the adjustment bracket;

[0023] The multi-stage telescopic structure 1 includes a first adjusting rod 102 and a second adjusting rod 103. The first adjusting rod 102 is movably arranged in a main receiving groove 104. The main receiving groove 104 is arranged on the receiving bracket 2. The second adjusting rod 103 is connected to the adjusting bracket 4. The second adjusting rod 103 is movably arranged in a secondary receiving groove 107. The secondary receiving groove 107 is arranged on the first adjusting rod 102.

[0024] As a specific embodiment of the present application, an adjusting screw 105 is provided on the first adjusting rod 102, and the adjusting screw 105 is movably provided in the first adjusting port 101. The first adjusting port 101 is provided on the storage bracket 2, and is connected with the first adjusting port 101 and the main storage groove 104. When the first adjusting rod 102 is moving, the first adjusting rod 102 drives the adjusting screw 105 to move in the first adjusting port 101. By moving the adjusting screw 105 in the first adjusting port 101, the movement of the first adjusting rod 102 is guided and limited.

[0025] Furthermore, a threaded locking cap 106 is provided on the adjusting screw 105, and the threaded locking cap 106 is fitted with the storage bracket 2. Specifically, the diameter of the threaded locking cap 106 is larger than the width of the first adjusting port 101. By tightening the threaded locking cap 106, the threaded locking cap 106 is fitted with the storage bracket 2, so that the position of the adjusting screw 105 can be positioned, and then the telescopic position of the first adjusting rod 102 can be positioned.

[0026] As a specific embodiment of the present application, a second adjustment port 110 is provided on the first adjustment rod 102, and a positioning slide bar 111 is movably provided in the second adjustment port 110, and one end of the positioning slide bar 111 is connected to the second adjustment rod 103. When the second adjustment rod 103 moves in the secondary storage groove 107, it can drive the positioning slide bar 111 to move in the second adjustment port 110. Through the movement of the positioning slide bar 111, the movement of the second adjustment rod 103 can be guided and limited.

[0027] Furthermore, a threaded hole 112 is provided on the positioning slide rod 111, a locking screw 113 is provided in the threaded hole 112, and a locking knob 114 is provided on the locking screw 113. Specifically, a diameter dimension of the locking knob 114 is larger than a width dimension of the second adjustment port 110. When the locking knob 114 is locked, the position of the positioning slide rod 111 can be positioned, and the telescopic position of the second adjustment rod 103 can be positioned.

[0028] Furthermore, the locking knob 114 is disposed in the countersunk groove 108 , and the countersunk groove 108 is disposed on the second adjusting rod 103 , so that the locking knob 114 can be hidden and stored, making it easy to store the second adjusting rod 103 in the main storage groove 104 .

[0029] Furthermore, a metal ring 115 is provided in the locking knob 114, and the metal ring 115 is adsorbed and connected to the magnet plate 109. The magnet plate 109 is embedded in the bottom of the countersunk groove 108, and the magnet plate 109 is located on both sides of the second adjustment port 110. When the locking knob 114 is locked, the magnet plate 109 adsorbs the metal ring 115, which can assist in fixing the locking knob 114 and avoid the locking knob 114 from loosening during use.

[0030] The working principle and use process of this utility model:

[0031] First, pull the adjustment frame 4, the adjustment frame 4 stretches the air filter body 3 to retract, and at the same time, the adjustment frame 4 drives the second adjustment rod 103 in the auxiliary storage groove 107, and the second adjustment rod 103 drives the positioning slide bar 111 to move in the second adjustment port 110. When the positioning slide bar 111 abuts against one end of the second adjustment port 110, the second adjustment rod 103 drives the first adjustment rod 102 to move in the main storage groove 104, and the first adjustment rod 102 drives the adjusting screw 105 to move in the first adjustment port 101. When the air filter body 3 is stretched to the use length, tighten the locking knob 114, the locking knob 114 fixes the positioning slide bar 111, and then tighten the threaded locking cap 106, the threaded locking cap 106 fixes the adjusting screw 105. At this time, the positions of the first adjustment rod 102 and the second adjustment rod 103 are fixed, and the distance between the adjustment frame 4 and the storage bracket 2 is fixed.

[0032] 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. A foldable air filter element, comprising an air filter element body (3), a storage bracket (2) bonded to one side of the air filter element body (3), and an adjustment bracket (4) bonded to the other side of the air filter element body (3), characterized in that: The adjustment frame (4) is connected to the storage bracket (2) via a multi-stage telescopic structure (1); The multi-stage telescopic structure (1) comprises a first adjusting rod (102) and a second adjusting rod (103), wherein the first adjusting rod (102) is movably arranged in a main receiving groove (104), wherein the main receiving groove (104) is arranged on a receiving bracket (2), the second adjusting rod (103) is connected to the adjusting bracket (4), and the second adjusting rod (103) is movably arranged in a secondary receiving groove (107), wherein the secondary receiving groove (107) is arranged on the first adjusting rod (102).

2. A foldable air filter element according to claim 1, characterized in that: An adjusting screw (105) is arranged on the first adjusting rod (102), and the adjusting screw (105) is movably arranged in the first adjusting port (101). The first adjusting port (101) is arranged on the storage bracket (2) and is connected to the first adjusting port (101) and the main storage groove (104).

3. A foldable air filter element according to claim 2, characterized in that: A thread locking cap (106) is provided on the adjusting screw (105), and the thread locking cap (106) is fitted with the storage bracket (2).

4. The foldable air filter element according to claim 1, characterized in that: A second adjustment opening (110) is provided on the first adjustment rod (102), a positioning slide rod (111) is movably provided in the second adjustment opening (110), and one end of the positioning slide rod (111) is connected to the second adjustment rod (103).

5. A foldable air filter element according to claim 4, characterized in that: A threaded hole (112) is arranged on the positioning slide rod (111), a locking screw (113) is arranged in the threaded hole (112), and a locking knob (114) is arranged on the locking screw (113).

6. A foldable air filter element according to claim 5, characterized in that: The locking knob (114) is arranged in a countersunk groove (108), and the countersunk groove (108) is arranged on the second adjusting rod (103).

7. A foldable air filter element according to claim 6, characterized in that: A metal ring (115) is arranged inside the locking knob (114), and the metal ring (115) is adsorbed and connected to the magnet plate (109). The magnet plate (109) is embedded in the bottom of the countersunk groove (108), and the magnet plate (109) is located on both sides of the second adjustment port (110).

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