A plate filter outer frame

Abstract

The utility model discloses a plate filter outer frame, including an outer frame body and a filter element fixedly installed inside the outer frame body, the surface of the outer frame body is provided with countersunk holes at equal intervals, and the inner wall of the outer frame body is fixedly connected with a first telescopic rod, and relates to the technical field of plate filters. The utility model adopts a countersunk hole drilling process when punching holes on the outer frame body, and after the rivet is fixed, the rivet head does not exceed the surface of the outer frame body, which can ensure that the thickness size of the outer frame body does not change, and can effectively solve the coordination of various components. By arranging horizontal and longitudinal connection supports on the outer frame body, the firmness of the outer frame body can be improved, so that it can withstand greater pressure and vibration without deformation or damage. By arranging the rotatable first outer tube and the second outer tube and the telescopic structure of the first telescopic rod and the second telescopic rod, the connector can be adapted to the assembly and use of outer frame bodies of different specifications, thereby enhancing adaptability.

Description

Technical Field

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

[0002] The plate filter frame refers to the frame structure used to support and protect the filter element (such as filter media). It is usually made of strong materials such as metal or plastic, and is designed to fix and hold the filter media or filter membrane in the filter while providing the necessary structural support.

[0003] After searching, the patent number is CN111228907A, and the specific name is a plate filter outer frame, including four frame strips and four corner code connectors, the corner code connectors are L-shaped, and plug-in plates extend from both ends; slots for inserting the plug-in plates are formed on the frame strips; the four corner code connectors are respectively arranged at the connection of two adjacent frame strips, so that the four frame strips are formed into a square outer frame, and the slots include a back plate on the frame strip, two groove walls formed on the back plate, and retaining wings extending into the slots at the ends of the groove walls; claws are arranged on the plug-in plates of the corner code connectors; the plug-in plates are inserted into the slots, and the claws form an extrusion fit with the back plate on the frame strips, so that the plug-in plates are pressed against the retaining wings;

[0004] The outer frame of a traditional plate filter is made of multiple plates assembled and fixed together. During long-term use, due to the vibration generated by the airflow passing through, frequent vibrations may cause the plates in the outer frame to deform or bend, resulting in gaps or deformations in the originally closed filter structure, affecting the filtering effect and performance. The joints are also prone to loosening or the structural stability may decrease due to material aging, which may affect the overall performance and efficiency of the filter. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a plate-type filter outer frame, which solves the problem that the traditional plate-type filter outer frame is composed of multiple plates assembled and fixed together. During long-term use, vibrations will be generated when airflow passes through. Frequent vibrations may cause the plates in the outer frame to deform or bend, resulting in gaps or deformations in the originally closed filter structure, affecting the filtering effect and filtering performance. The joints are also prone to loosening or the structural stability may decrease due to material aging, which may affect the overall performance and efficiency of the filter.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plate-type filter outer frame, comprising an outer frame body and a filter element fixedly installed inside the outer frame body, the surface of the outer frame body is provided with countersunk holes at equal intervals, the inner wall of the outer frame body is fixedly connected to a first telescopic rod, the outer surface of the first telescopic rod is movably connected to a first outer tube, the surface of the first outer tube is rotatably connected to a second outer tube, the inner ends of the second outer tube are slidably connected to the second telescopic rod, the surfaces of the second telescopic rod and the first telescopic rod are provided with insertion holes, rivets are fixedly installed inside the insertion holes, and positioning bolts are threadedly installed at both ends of the surfaces of the first outer tube and the second outer tube.

[0007] Preferably, a limiting groove is provided inside the first outer tube, the limiting groove is conical, and the first outer tube, the limiting groove, the second outer tube, the second telescopic rod and the first telescopic rod have the same shape.

[0008] Preferably, the outer surface of the first telescopic rod is slidably connected to the inside of the limiting groove, the surface of the positioning bolt abuts against the surface of the first telescopic rod, and the surface of the second telescopic rod is also abutted and connected with the positioning bolt.

[0009] Preferably, the rivet is installed through the countersunk hole and the plug hole.

[0010] Preferably, the second outer tube and the first outer tube are connected at their centers via a rotating shaft, and matching rotating grooves are provided on the opposite surfaces of the first outer tube and the second outer tube.

[0011] Beneficial Effects

[0012] The utility model provides a plate filter outer frame. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The plate filter outer frame adopts a countersunk hole drilling process when punching holes on the outer frame body. After the rivets are fixed, the head does not exceed the surface of the outer frame body, ensuring that the thickness size does not change, effectively solving the coordination of various components, and stable use. By arranging horizontal and vertical connection supports on the outer frame body, the firmness of the outer frame body can be improved, so that it can withstand greater pressure and vibration without deformation or damage. The stable outer frame body can ensure the closure and integrity of the filter, prevent air or liquid from bypassing the filter media through the outer frame gap, thereby improving the filtration efficiency and performance, effectively extending the service life of the filter element, reducing the frequency of maintenance and replacement due to deformation or damage of the outer frame body, and reducing operating costs.

[0014] 2. The plate filter outer frame has a rotatable first outer tube and a second outer tube and a telescopic structure of the first telescopic rod and the second telescopic rod, so that the connector can be adapted to be assembled and used with outer frame bodies of different specifications, thereby enhancing adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0017] Figure 3 This is a schematic diagram of the connection between the first outer tube and the second outer tube in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the first outer tube in the utility model.

[0019] In the figure: 1, outer frame body; 2, filter element; 3, countersunk hole; 31, rivet; 32, plug hole; 4, first telescopic rod; 5, first outer tube; 51, limit groove; 52, positioning bolt; 6, second outer tube; 7, second telescopic rod. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 The utility model provides a technical solution: a plate filter outer frame, comprising an outer frame body 1 and a filter element 2 fixedly installed inside the outer frame body 1, countersunk holes 3 are equidistantly opened on the surface of the outer frame body 1, a first telescopic rod 4 is fixedly connected to the inner wall of the outer frame body 1, a first outer tube 5 is movably connected to the outer surface of the first telescopic rod 4, a second outer tube 6 is rotatably connected to the surface of the first outer tube 5, the second outer tube 6 and the first outer tube 5 are connected at the center by a rotating shaft, and the first outer tube 5 and the second outer tube 6 are provided with matching rotation grooves on the opposite surfaces, the second outer tube 6 is slidably connected to the second telescopic rod 7 at both ends of the inner part, the second telescopic rod 7 and the first telescopic rod 4 are provided with plug holes 32 on the surfaces, rivets 31 are fixedly installed inside the plug holes 32, and the rivets 31 are installed through the countersunk holes 3 and the inside of the plug holes 32, and the countersunk holes 3 are used to open holes when drilling holes on the outer frame body 1. After the rivet 31 is fixed, the head does not exceed the surface of the outer frame body 1, ensuring that the thickness size does not change, effectively solving the coordination of various components, and stable use;

[0022] Both ends of the surfaces of the first outer tube 5 and the second outer tube 6 are threadedly installed with positioning bolts 52, the surface of the positioning bolts 52 abuts against the surface of the first telescopic rod 4, and the surface of the second telescopic rod 7 also abuts against the positioning bolts 52. By arranging transverse and longitudinal connection supports on the outer frame body 1, the firmness of the outer frame body 1 can be improved, so that it can withstand greater pressure and vibration without deformation or damage. The stable outer frame body 1 can ensure the sealing and integrity of the filter, prevent air or liquid from bypassing the filter medium through the outer frame gap, thereby improving the filtering efficiency and performance, effectively extending the service life of the filter element 2, reducing the maintenance and replacement frequency caused by deformation or damage of the outer frame body 1, reducing operating costs, and enabling the connector to be adapted to the assembly and use of outer frame bodies 1 of different specifications, thereby enhancing adaptability;

[0023] A limiting groove 51 is provided inside the first outer tube 5, and the limiting groove 51 is tapered. The first outer tube 5, the limiting groove 51, the second outer tube 6, the second telescopic rod 7 and the first telescopic rod 4 have the same shape. The outer surface of the first telescopic rod 4 is slidably connected to the inside of the limiting groove 51. Due to its tapered structure, the influence on the airflow inside the outer frame body 1 can be reduced.

[0024] When in use, the second telescopic rod 7 and the first telescopic rod 4 are extended out, and the first outer tube 5 and the second outer tube 6 are rotated to fix the second telescopic rod 7 and the first telescopic rod 4 to the inner wall of the outer frame body 1 through the rivet 31, and then all the positioning bolts 52 are tightened. At this time, the outer frame body 1 is firmly fixed by the first outer tube 5 and the second outer tube 6, which can improve the firmness of the outer frame body 1 and enable it to withstand greater pressure and vibration without deformation or damage. The stable outer frame body 1 can ensure the sealing and integrity of the filter, prevent air or liquid from bypassing the filter medium through the outer frame gap, thereby improving the filtering efficiency and performance, effectively extending the service life of the filter element 2, reducing the frequency of maintenance and replacement due to deformation or damage of the outer frame body 1, and reducing operating costs.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A plate filter outer frame, comprising an outer frame body (1) and a filter element (2) fixedly mounted inside the outer frame body (1), characterized in that: Countersunk holes (3) are equidistantly provided on the surface of the outer frame body (1); a first telescopic rod (4) is fixedly connected to the inner wall of the outer frame body (1); a first outer tube (5) is movably connected to the outer surface of the first telescopic rod (4); a second outer tube (6) is rotatably connected to the surface of the first outer tube (5); both ends of the interior of the second outer tube (6) are slidably connected to the second telescopic rod (7); both surfaces of the second telescopic rod (7) and the first telescopic rod (4) are provided with insertion holes (32); rivets (31) are fixedly installed inside the insertion holes (32); and both ends of the surfaces of the first outer tube (5) and the second outer tube (6) are threadedly installed with positioning bolts (52).

2. A plate filter outer frame according to claim 1, characterized in that: A limiting groove (51) is provided inside the first outer tube (5), the limiting groove (51) is conical, and the first outer tube (5), the limiting groove (51), the second outer tube (6), the second telescopic rod (7) and the first telescopic rod (4) have the same shape.

3. A plate filter outer frame according to claim 1, characterized in that: The outer surface of the first telescopic rod (4) is slidably connected to the inside of the limiting groove (51), the surface of the positioning bolt (52) abuts against the surface of the first telescopic rod (4), and the surface of the second telescopic rod (7) is also abutted and connected with the positioning bolt (52).

4. A plate filter outer frame according to claim 1, characterized in that: The rivet (31) is installed through the countersunk hole (3) and the insertion hole (32).

5. The plate filter outer frame according to claim 1, characterized in that: The second outer tube (6) and the first outer tube (5) are connected at their centers via a rotating shaft, and matching rotating grooves are provided on the opposite surfaces of the first outer tube (5) and the second outer tube (6).

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