Filter cover plate assembly

Abstract

The utility model discloses a filter cover plate assembly, and relates to the technical field of filters. The filter cover plate assembly comprises a base, a filter body fixedly installed on the top of the base and a cover plate arranged on the filter body. Two groups of fixing plates are fixedly mounted at the bottom of the cover plate, and the filter body is open; the positioning assembly is located on the base and comprises a servo motor, a lead screw, a first movable sliding block, a second movable sliding block, a mounting plate, a positioning hole and a positioning protruding block. According to the filter cover plate assembly, through cooperative use of the servo motor, the lead screw, the first movable sliding block, the second movable sliding block, the mounting plate, the positioning holes and the positioning protruding blocks, the positioning protruding blocks and the positioning holes are connected in a clamped mode, so that the cover plate is positioned, and the situation that the cover plate falls off or loosens is avoided; the connection sealing performance of the cover plate and the filter body is further guaranteed, the use effect is good, and popularization is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a filter cover plate assembly. Background Art

[0002] A filter is a filter circuit composed of capacitors, inductors and resistors. The filter can effectively filter out a specific frequency point in the power line or frequencies other than the frequency point to obtain a power signal with a specific frequency, or eliminate a power signal with a specific frequency.

[0003] At present, in order to prevent dust from entering the interior of the filter during long-term use and affecting the use of the filter, most filter covers are fixed and installed with a plurality of screws when sealing the filter to avoid gaps. This installation method makes it difficult to disassemble and cool the cover, and there are many parts, which are easy to be lost during disassembly and assembly, resulting in poor use effect. Therefore, it is very necessary to propose a filter cover assembly. Utility Model Content

[0004] The purpose of the utility model is to provide a filter cover plate assembly to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a filter cover plate assembly, comprising a base, a filter body fixedly mounted on the top of the base, a positioning assembly, and a cover plate arranged on the filter body:

[0006] Two sets of fixing plates are fixedly installed at the bottom of the cover plate, and the filter body is open;

[0007] The positioning assembly is located on the base, and the positioning assembly includes a servo motor, a lead screw, a first movable slider, a second movable slider, a mounting plate, a positioning hole and a positioning protrusion.

[0008] Preferably, a handle is fixedly mounted on the top of the cover plate.

[0009] Preferably, a sealing plate matching the shape of the open-type filter body is fixedly mounted on the bottom of the cover plate, and the sealing plate is located between the two sets of fixing plates.

[0010] Preferably, a servo motor is fixedly installed on an outer wall of one side of the base, a slide groove is provided inside the base, an opening is provided on the top of the servo base, a screw is rotatably installed on the adjacent inner wall of the base, the output shaft of the servo motor passes through the base and is fixedly connected to the screw through a coupling, a movable slider No. 1 and a movable slider No. 2 are slidably installed inside the base, the screw passes through the movable slider No. 1 and the movable slider No. 2 and is threadedly connected with the movable slider No. 1 and the movable slider No. 2, a mounting plate is fixedly installed on the top of the movable slider No. 1 and the movable slider No. 2, the mounting plate passes through the opening and is fixedly connected with a positioning protrusion on its side, and positioning holes matched with the positioning protrusions are provided on the two sets of fixed plates to achieve positioning of the cover plate and ensure the sealing effect.

[0011] Preferably, the screw rod is a bidirectional screw rod, and the No. 1 movable slider and the No. 2 movable slider are respectively located on the positive and negative threads of the bidirectional screw rod.

[0012] Preferably, the positioning protrusion and the positioning hole are configured for snap-fit ​​connection to improve the connection effect.

[0013] Preferably, the positioning protrusion and the positioning hole are arranged flush with each other to facilitate the positioning operation.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The filter cover plate assembly can facilitate the taking and installation of the cover plate by providing a handle, and can improve the sealing performance when the cover plate covers the filter body by providing a sealing plate, thereby avoiding the formation of gaps and preventing dust from entering.

[0016] The filter cover assembly uses a servo motor, a screw rod, a first movable slider, a second movable slider, a mounting plate, a positioning hole and a positioning protrusion in coordination, so that the positioning protrusion and the positioning hole are snap-connected, thereby positioning the cover, thereby preventing the cover from falling off or loosening, further ensuring the sealing of the connection between the cover and the filter body, and having a good use effect. Compared with the prior art in which a plurality of bolts are used for connection, the use of this structure is convenient and simple to operate and is easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the cover plate and the filter body in the utility model when they are not installed;

[0019] Figure 3 This is a schematic diagram of the installation and connection of the cover plate and the filter body in the utility model;

[0020] Figure 4It is a schematic diagram of the inner side of the cover plate in the present invention.

[0021] In the figure: base 1;

[0022] Filter body 2;

[0023] Cover plate 3;

[0024] Handle 4;

[0025] Sealing plate 5;

[0026] Fixed plate 6;

[0027] Positioning assembly 7, servo motor 701, screw rod 702, No. 1 moving slider 703, No. 2 moving slider 704, mounting plate 705, positioning hole 706, positioning protrusion 707. DETAILED DESCRIPTION

[0028] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0029] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] See also Figure 1-3The utility model provides a technical solution: a filter cover assembly, including a base 1, a filter body 2 fixedly installed on the top of the base 1, a positioning assembly 7 and a cover 3 arranged on the filter body 2, and a handle 4 is fixedly installed on the top of the cover 3. By setting the handle 4, the cover 3 can be easily taken and installed.

[0033] Two sets of fixing plates 6 are fixedly installed on the bottom of the cover plate 3. The filter body 2 is open. A sealing plate 5 whose shape matches the open shape of the filter body 2 is fixedly installed on the bottom of the cover plate 3. That is to say, when the cover plate 3 covers the filter body 2, the sealing plate 5 and the open shape are sealed and fitted.

[0034] By providing the sealing plate 5 , the sealing performance is improved when the cover plate 3 covers the filter body 2 , thereby avoiding the occurrence of gaps and preventing dust from entering.

[0035] The sealing plate 5 is located between the two sets of fixed plates 6, and the positioning assembly 7 is located on the base 1. The positioning assembly 7 includes a servo motor 701, a screw rod 702, a No. 1 movable slider 703, a No. 2 movable slider 704, a mounting plate 705, a positioning hole 706 and a positioning protrusion 707. The servo motor 701 is fixedly installed on the outer wall of one side of the base 1, a slide groove is provided inside the base 1, an opening is provided on the top of the servo base 1, and a screw rod 702 is rotatably installed on the adjacent inner wall of the base 1. The output shaft of the servo motor 701 passes through the base 1 and is fixedly connected to the screw rod 702 through a coupling. Yes, the screw rod 702 is a bidirectional screw rod, and a moving slider No. 1 703 and a moving slider No. 2 704 are slidably installed inside the base 1. The screw rod 702 passes through the moving slider No. 1 703 and the moving slider No. 2 704 and is threadedly connected with the moving slider No. 1 703 and the moving slider No. 2 704. The moving slider No. 1 703 and the moving slider No. 2 704 are respectively located on the positive and negative threads of the bidirectional screw rod. Start the servo motor 701, and the servo motor 701 drives the screw rod 702 to rotate. The rotation of the screw rod 702 drives the moving slider No. 1 703 and the moving slider No. 2 704 to move horizontally.

[0036] The tops of the No. 1 movable slider 703 and the No. 2 movable slider 704 are fixedly installed with mounting plates 705, the mounting plates 705 pass through openings and are fixedly connected with positioning protrusions 707 on their sides, and the two sets of fixed plates 6 are provided with positioning holes 706 that are compatible with the positioning protrusions 707, the positioning protrusions 707 and the positioning holes 706 are snap-connected, and the positions of the positioning protrusions 707 and the positioning holes 706 are flush, the No. 1 movable slider 703 and the No. 2 movable slider 704 move horizontally to drive the mounting plate 705 to move horizontally, and the horizontal movement of the mounting plate 705 makes the positioning protrusions 707 and the positioning holes 706 snap-connected, thereby positioning the cover plate 3, thereby preventing the cover plate 3 from falling off or loosening, further ensuring the connection sealing between the cover plate 3 and the filter body 2, and having a good use effect.

[0037] Working principle: By setting the handle 4, the cover plate 3 can be easily taken and installed. By setting the sealing plate 5, the sealing performance is improved when the cover plate 3 covers the filter body 2, thereby avoiding gaps and preventing dust from entering;

[0038] Next, start the servo motor 701, which drives the screw rod 702 to rotate. The rotation of the screw rod 702 drives the No. 1 movable slider 703 and the No. 2 movable slider 704 to move horizontally. The horizontal movement of the No. 1 movable slider 703 and the No. 2 movable slider 704 drives the mounting plate 705 to move horizontally. The horizontal movement of the mounting plate 705 makes the positioning protrusion 707 and the positioning hole 706 snap-connected, thereby positioning the cover plate 3, thereby preventing the cover plate 3 from falling or loosening, further ensuring the connection sealing between the cover plate 3 and the filter body 2, and achieving good use effect.

Claims

1. A filter cover plate assembly, comprising a base (1), a filter body (2) fixedly mounted on the top of the base (1), a positioning assembly (7), and a cover plate (3) arranged on the filter body (2), characterized in that: Two sets of fixing plates (6) are fixedly mounted on the bottom of the cover plate (3), and the filter body (2) is open; The positioning assembly (7) is located on the base (1), and comprises a servo motor (701), a screw rod (702), a first movable slider (703), a second movable slider (704), a mounting plate (705), a positioning hole (706), and a positioning protrusion (707).

2. The filter cover plate assembly according to claim 1, characterized in that: A handle (4) is fixedly mounted on the top of the cover plate (3).

3. The filter cover plate assembly according to claim 2, characterized in that: A sealing plate (5) having a shape matching the open setting of the filter body (2) is fixedly mounted on the bottom of the cover plate (3), and the sealing plate (5) is located between the two sets of fixing plates (6).

4. The filter cover plate assembly according to claim 1, characterized in that: A servo motor (701) is fixedly mounted on an outer wall of one side of the base (1); a slide groove is provided inside the base (1); an opening is provided on the top of the servo base (1); a screw rod (702) is rotatably mounted on an adjacent inner wall of the base (1); an output shaft of the servo motor (701) passes through the base (1) and is fixedly connected to the screw rod (702) via a coupling; a first movable slider (703) and a second movable slider (704) are slidably mounted inside the base (1); the screw rod (702) passes through the inner wall of the servo motor (701) and is fixedly connected to the screw rod (702); The first movable slider (703) and the second movable slider (704) are threadedly connected with the first movable slider (703) and the second movable slider (704). The tops of the first movable slider (703) and the second movable slider (704) are fixedly mounted with mounting plates (705). The mounting plates (705) have openings extending through them and are fixedly connected with positioning protrusions (707) on their sides. Positioning holes (706) matching the positioning protrusions (707) are provided on the two sets of fixing plates (6).

5. The filter cover plate assembly according to claim 4, characterized in that: The screw rod (702) is a bidirectional screw rod, and the first movable slider (703) and the second movable slider (704) are respectively located on the forward and reverse threads of the bidirectional screw rod.

6. The filter cover plate assembly according to claim 5, characterized in that: The positioning protrusion (707) and the positioning hole (706) are arranged in a snap-fit ​​connection.

7. The filter cover plate assembly according to claim 6, characterized in that: The positioning protrusion (707) and the positioning hole (706) are arranged flush with each other.

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