Air filter screen convenient to maintain

Abstract

The air filter screen convenient to maintain comprises a frame, a splitter plate and a filter element, the frame comprises a first frame body and a second frame body, the splitter plate is arranged on the first frame body in an embedded mode, the filter element is arranged on the second frame body in an embedded mode, the first frame body and the second frame body are connected in a sliding opening and closing mode, and a locking structure is arranged on the frame. The locking structure comprises a shell and positioning grooves, two sets of positioning grooves are formed in the second frame body, and the shell is arranged on the first frame body. According to the utility model, by installing the limiting connecting sliding groove and the limiting sliding block, a user can easily access the filter element and replace or clean the filter element only by slightly sliding the first frame body and the second frame body, and after the first frame body and the second frame body are closed, the user can drive the bidirectional lead screw to rotate through the transmission of the rotating rod, the second gear and the first gear only by rotating the knob, so that the filter element can be replaced or cleaned. And the positioning piece is driven by the lead screw nut to move to the position matched with the positioning groove, so that the frame body is locked, and the stable locking of the frame in a closed state is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to air filter screen technical field, concretely is air filter screen convenient to maintain. BACKGROUND

[0002] Air filter screen is used for filtering air dust particle in indoor or specific environment, according to the different filtering principle and material, air filter screen can also be divided into ordinary mechanical filter screen, electrostatic filter screen, activated carbon filter screen, etc., ordinary mechanical filter screen is common in general household air conditioning system, can effectively filter large particle dust and pollutant, electrostatic filter screen has electrostatic adsorption effect, can filter small particle, bacteria and microorganism more effectively, activated carbon filter screen has the ability of adsorbing peculiar smell and harmful gas,

[0003] Now air filter screen is mainly composed of frame and filter core, and when the filter core in the frame is obviously blocked, damaged or deformed during long time use, it needs to be replaced, and the frame can be used for a long time due to its metal material, but some air filter screens adopt complex connecting mode to fix the filter core in the frame, which needs to consume more time and energy when disassembling and installing the filter core, increases the difficulty of replacement, and makes the filter core in the frame inconvenient to replace. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing air filter screen convenient to maintain to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] Air filter screen convenient to maintain, including, frame, shunt plate and filter core, the frame includes frame body one and frame body two, the shunt plate is embedded and is set up on frame body one, the filter core is embedded and is set up on frame body two, the frame body one is slidably connected with frame body two, the frame is provided with locking structure, the locking structure includes casing and positioning groove, frame body two is provided with two groups of positioning grooves, the casing is set up on frame body one, the casing is provided with two groups of positioning pieces that can cooperate with the positioning groove, the inside of casing is fixedly provided with two groups of guide rods, the connecting rod is movably arranged on the guide rod, and one end of the connecting rod is fixedly connected with one end of the positioning piece outside, the inside of casing is rotatably provided with a bidirectional lead screw, two groups of nut screws are meshed on the bidirectional lead screw, the nut screw is fixedly provided with a connecting piece outside, and one end of the connecting piece is fixedly connected with the connecting rod outside.

[0007] Preferably, the frame body two is provided with two groups of limit connection sliding grooves, and the frame body one is provided with two groups of limit sliding blocks capable of cooperating with the limit connection sliding grooves.

[0008] Preferably, the bidirectional screw rod is fixedly provided with a gear one, the shell is rotatably provided with a rotating rod, one end of the rotating rod is fixedly provided with a gear two, the gear two is located in the interior of the shell and meshes with the gear one, and the other end of the rotating rod is fixedly provided with a knob.

[0009] Preferably, the shell is externally provided with a recess, and the knob is located in the external recess of the shell.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model discloses a limiting connecting sliding groove and limiting sliding block are installed, users only need to slide frame body one and frame body two slightly, can access the filter element easily, thereby carrying out replacement or cleaning operation, make the replacement and maintenance of filter element and shunt plate can be more convenient, when frame body one and frame body two are closed, users only need to rotate the knob, can drive the bidirectional screw rod to rotate through the transmission of rotating rod, gear two and gear one, and then drive two groups of screw nut to move on the bidirectional screw rod, because the screw nut is connected with connecting piece and connecting rod, so the movement of screw nut will be converted into the movement of connecting rod and positioning piece, when the positioning piece moves to the position that cooperates with the positioning groove, can realize the locking of frame body, realize the stable locking of frame in the closed state, ensure the stability and firmness of frame body one and frame body two when closing. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole structure schematic diagram of the utility model;

[0013] Figure 2 It is the frame body two structure schematic diagram of the utility model;

[0014] Figure 3 It is the shell structure schematic diagram of the utility model;

[0015] Figure 4 It is the recess structure schematic diagram of the utility model.

[0016] In the drawing: 1, frame body one;2, frame body two;3, shunt plate;4, filter element;5, limiting connecting sliding groove;6, limiting sliding block;7, positioning groove;8, shell;9, positioning piece;10, guide rod;11, connecting rod;12, bidirectional screw rod;13, screw nut;14, connecting piece;15, gear one;16, rotating rod;17, gear two;18, knob;19, recess. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0018] Please refer to Figures 1-4 The utility model provides a kind of air filter screen convenient to maintain, including, frame, shunt plate 3 and filter core 4, frame includes frame body one 1 and frame body two 2, shunt plate 3 is embedded in frame body one 1, filter core 4 is embedded in frame body two 2, frame body one 1 and frame body two 2 are sliding open-close connection, locking structure is provided on frame, locking structure includes shell 8 and positioning slot 7, two groups of positioning slot 7 are provided on frame body two 2, shell 8 is provided on frame body one 1, frame is made of frame body one 1 and frame body two 2, shunt plate 3 is embedded in frame body one 1, possibly used to guide airflow, ensure that airflow is evenly passed through filter core 4, filter core 4 is embedded in frame body two 2, and it is the key component of filtering impurity and pollutant in air, by the setting of limiting connection sliding groove 5 and limiting sliding block 6, user only needs to slide frame body one 1 and frame body two 2 slightly, can easily access filter core 4, to replace or cleaning operation, so that the replacement and maintenance of filter core 4 and shunt plate 3 can be more convenient, by the installation of shell 8 and positioning slot 7, when frame body one 1 and frame body two 2 are closed, user only needs to rotate knob 18, can pass through the transmission of rotating rod 16, gear two 17 and gear one 15, drive bidirectional screw rod 12 rotation, and then drive two groups of screw nut 13 movement on bidirectional screw rod 12, since screw nut 13 is connected with connecting piece 14 and connecting rod 11, so the movement of screw nut 13 will be converted into the movement of connecting rod 11 and positioning piece 9, when positioning piece 9 moves to the position matched with positioning slot 7, the locking of frame body can be realized, the stable locking of frame in closed state is realized, the stability and firmness of frame body one 1 and frame body two 2 when closing are ensured.

[0019] Please refer to Figure 2 Two groups of limiting connection sliding grooves 5 are provided on frame body two 2, two groups of limiting sliding blocks 6 capable of being matched with limiting connection sliding groove 5 are provided on frame body one 1, the cooperation of limiting connection sliding groove 5 and limiting sliding block 6 ensures the stability of frame body one 1 and frame body two 2 during sliding, can effectively prevent deviation or sway during sliding, so that the opening and closing of frame are more stable and reliable, and it can also ensure that frame body one 1 and frame body two 2 can be accurately aligned when sliding to predetermined position, user only needs to slide frame body one 1 and frame body two 2 slightly, can easily access filter core 4, to replace or cleaning operation, so that the replacement and maintenance of filter core 4 and shunt plate 3 can be more convenient.

[0020] Please refer to Figure 3 and Figure 4 The shell 8 is provided with two sets of positioning pieces 9 capable of cooperating with the positioning grooves 7, two sets of guide rods 10 are fixedly arranged inside the shell 8, a connecting rod 11 is movably arranged on the guide rod 10, and one end of the connecting rod 11 is fixedly connected with one end of the positioning piece 9 outside. A double-lead screw 12 is rotatably arranged inside the shell 8, two sets of screw nuts 13 are engaged on the double-lead screw 12, a connecting piece 14 is fixedly arranged outside the screw nut 13, and one end of the connecting piece 14 is fixedly connected with the connecting rod 11 outside. A gear one 15 is fixedly arranged on the double-lead screw 12, a rotating rod 16 is rotatably arranged on the shell 8, a gear two 17 is fixedly arranged on one end of the rotating rod 16, and the gear two 17 is located inside the shell 8 and engaged with the gear one 15. A knob 18 is fixedly arranged on the other end of the rotating rod 16. The positioning piece 9 on the shell 8 cooperates with the positioning groove 7 on the frame body two 2, realizing stable locking of the frame in the closed state. The guide rod 10 provides a stable sliding track for the connecting rod 11, ensuring the stability and accuracy of the positioning piece 9 during movement. The connecting rod 11 connects the positioning piece 9 with the screw nut 13, realizing remote control of the positioning piece 9. Rotation of the double-lead screw 12 drives the two sets of screw nuts 13 to move in opposite directions, allowing the two positioning pieces 9 to move simultaneously to the two sides, realizing quick cooperation with the positioning groove 7. The engagement of the gear one 15 and the gear two 17 realizes rotation control of the double-lead screw 12. Rotation of the rotating rod 16 and the gear two 17 can be driven by rotating the knob 18. Since the gear two 17 is engaged with the gear one 15, the gear one 15 will also rotate. Rotation of the gear one 15 drives the double-lead screw 12 to rotate, in turn driving the two sets of screw nuts 13 to move on the double-lead screw 12. Since the screw nut 13 is connected with the connecting piece 14 and the connecting rod 11, movement of the screw nut 13 will be converted into movement of the connecting rod 11 and the positioning piece 9. When the positioning piece 9 moves to the position cooperating with the positioning groove 7, locking of the frame body can be realized, realizing stable locking of the frame in the closed state, ensuring the stability and firmness of the frame body one 1 and the frame body two 2 when closed.

[0021] Please refer to Figure 4 A recess 19 is arranged outside the shell 8, and the knob 18 is located in the external recess 19 of the shell 8. The recess 19 not only provides a containing space for the knob 18, but also prevents the knob 18 from being directly impacted or rubbed by the outside, thereby prolonging its service life and avoiding the influence of the external knob 18 on the installation of the air filter screen.

[0022] The working principle is that the frame is composed of frame one 1 and frame two 2, the shunt plate 3 is embedded on the frame one 1 and can be used to guide airflow to ensure that the airflow passes through the filter core 4 uniformly, the filter core 4 is embedded on the frame two 2 and is the key component for filtering impurities and pollutants in the air, through the setting of the limiting connection sliding groove 5 and the limiting sliding block 6, the user only needs to slide the frame one 1 and the frame two 2 slightly to easily access the filter core 4, so as to perform replacement or cleaning operation, so that the replacement and maintenance of the filter core 4 and the shunt plate 3 can be more convenient, through the installation of the shell 8 and the positioning groove 7, when the frame one 1 and the frame two 2 are closed, the user only needs to rotate the knob 18 to drive the two-way lead screw 12 to rotate through the transmission of the rotating rod 16, the gear two 17 and the gear one 15, and then drive the two groups of lead screw nuts 13 to move on the two-way lead screw 12, since the lead screw nuts 13 are connected with the connecting piece 14 and the connecting rod 11, the movement of the lead screw nuts 13 will be converted into the movement of the connecting rod 11 and the positioning piece 9, when the positioning piece 9 moves to the position matched with the positioning groove 7, the locking of the frame body can be realized, the stable locking of the frame in the closed state is realized, the stability and firmness of the frame one 1 and the frame two 2 in the closed state are ensured, the cooperation of the limiting connection sliding groove 5 and the limiting sliding block 6 ensures the stability of the frame one 1 and the frame two 2 in the sliding process, which can effectively prevent the deviation or shaking in the sliding process, so that the opening and closing of the frame is more stable and reliable, and it can also ensure that the frame one 1 and the frame two 2 can be accurately aligned when sliding to the predetermined position, the user only needs to slide the frame one 1 and the frame two 2 slightly to easily access the filter core 4, so as to perform replacement or cleaning operation, so that the replacement and maintenance of the filter core 4 and the shunt plate 3 can be more convenient, the positioning piece 9 on the shell 8 cooperates with the positioning groove 7 on the frame two 2 to realize the stable locking of the frame in the closed state, the guide rod 10 provides a stable sliding track for the connecting rod 11 to ensure the stability and accuracy of the positioning piece 9 in the movement process, the connecting rod 11 connects the positioning piece 9 with the lead screw nut 13 to realize the remote control of the positioning piece 9, the rotation of the two-way lead screw 12 will drive the two groups of lead screw nuts 13 to move in opposite directions, so that the two positioning pieces 9 can move to both sides at the same time to realize the quick cooperation with the positioning groove 7, the meshing of the gear one 15 and the gear two 17 realizes the rotation control of the two-way lead screw 12, with the rotation of the knob 18 by the user, the rotating rod 16 and the gear two 17 can be driven to rotate, since the gear two 17 is meshed with the gear one 15, the gear one 15 will also rotate, the rotation of the gear one 15 will drive the two-way lead screw 12 to rotate, and then drive the two groups of lead screw nuts 13 to move on the two-way lead screw 12, since the lead screw nuts 13 are connected with the connecting piece 14 and the connecting rod 11, the movement of the lead screw nuts 13 will be converted into the movement of the connecting rod 11 and the positioning piece 9, when the positioning piece 9 moves to the position matched with the positioning groove 7, the locking of the frame body can be realized, the stable locking of the frame in the closed state is realized, the stability and firmness of the frame one 1 and the frame two 2 in the closed state are ensured,The recess 19 not only provides a containing space for the knob 18, but also prevents the knob 18 from being directly impacted or rubbed by the outside, thereby prolonging the service life of the knob 18 and avoiding the influence of the setting of the knob 18 outside the frame on the installation of the air filter screen.

[0023] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An easy-to-maintain air filter, comprising a frame, a flow divider (3), and a filter element (4), characterized in that: The frame includes a first frame (1) and a second frame (2). The diverter plate (3) is fitted onto the first frame (1), and the filter element (4) is fitted onto the second frame (2). The first frame (1) and the second frame (2) are slidably connected. The frame is provided with a locking structure, which includes a housing (8) and a positioning groove (7). The second frame (2) is provided with two sets of positioning grooves (7), and the first frame (1) is provided with a housing (8). The housing (8) is provided with two sets of positioning grooves (7) that can be matched with the positioning grooves (7). The positioning component (9) is assembled. Two sets of guide rods (10) are fixedly installed inside the housing (8). A connecting rod (11) is movably installed on the upper limit of the guide rod (10). One end of the connecting rod (11) is fixedly connected to one end of the positioning component (9). A two-way lead screw (12) is rotatably installed inside the housing (8). Two sets of lead screw nuts (13) are meshed on the two-way lead screw (12). A connecting component (14) is fixedly installed on the outside of the lead screw nut (13). One end of the connecting component (14) is fixedly connected to the outside of the connecting rod (11).

2. The easy-to-maintain air filter according to claim 1, characterized in that: The second frame (2) is provided with two sets of limiting connection grooves (5), and the first frame (1) is provided with two sets of limiting sliders (6) that can cooperate with the limiting connection grooves (5).

3. The easy-to-maintain air filter according to claim 1, characterized in that: A gear 1 (15) is fixedly installed on the bidirectional lead screw (12), and a rotating rod (16) is rotatably installed on the housing (8). A gear 2 (17) is fixedly installed at one end of the rotating rod (16), and the gear 2 (17) is located inside the housing (8) and meshes with the gear 1 (15). A knob (18) is fixedly installed at the other end of the rotating rod (16).

4. The easy-to-maintain air filter according to claim 3, characterized in that: The outer side of the housing (8) is provided with a groove (19), and the knob (18) is located in the outer groove (19) of the housing (8).

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