Low-resistance metal fiber filter
By designing interlocking grooves and limiting structures on the filter housing, combined with sealing gaskets and locking components, the problem of excessive filter resistance in high-end manufacturing equipment is solved, achieving low resistance and high sealing performance.
Patent Information
- Application Number
- CN202520768096.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-22
AI Technical Summary
Existing filters suffer from excessive resistance in high-end manufacturing industries, especially in highly integrated equipment where space is limited. This makes it difficult to simultaneously meet the requirements of low resistance and high filtration performance, and welding can easily lead to structural collapse.
By creating interlocking grooves and mounting grooves on the end faces of the two housings, and using sealing gaskets and limiting structures, combined with mounting accessories and locking components, the installation stability and sealing performance of the filter element are improved.
This approach achieves high filtration performance while reducing filter resistance and improving filter element installation stability and sealing, thus preventing structural collapse.
Smart Images

Figure CN223945273U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to filter technical field, especially, relate to a low resistance metal fiber filter. BACKGROUND
[0002] In the high-end manufacturing industry such as process gas filtration, the filter needs to meet the performance indicators such as gas filtration efficiency and cleanliness, and the process pipeline of high-end manufacturing industry needs very low pressure loss, which is another performance indicator of the relationship between the flow and the resistance of the filter, and more industries start to pay attention to the resistance of the filter, especially some high-end industry integrated equipment with limited space, without increasing the volume and reducing the filtration performance, under the premise of reducing the resistance to the maximum extent, and under the premise of meeting the performance requirements, the existing filter needs to be made of superfine fibers and a new sintering process is developed, so it is necessary to overcome the welding problem, and the conventional welding is easy to cause local melting or structure collapse, and the filter cannot realize the filtration performance.Therefore, we provide a low resistance metal fiber filter to solve the above problems. SUMMARY
[0003] The utility model discloses a low resistance metal fiber filter, which is characterized by the following technical solutions: a bite groove is formed on the opposite end face of the two housings, the filter core is engaged by the bite groove, and the installation stability of the filter core is improved.
[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0005] The utility model discloses a low resistance metal fiber filter, which comprises two upper and lower connected housings, the opposite faces of the two housings are provided with semicircular installation grooves, the end faces of the opposite faces of the two housings are provided with bite grooves at the positions of the side of the installation grooves, a filter core is arranged between the two housings at the position of the bite groove, the upper and lower end faces of the filter core are provided with sealing pads matched with the bite grooves, and the end faces of the two housings away from the filter core are provided with flow-through holes connected with the interiors of the installation grooves.
[0006] The utility model further sets up that the inner side wall of the housing at the connecting position of the bite groove and the installation groove is provided with a plurality of limiting openings arranged along the circumferential wall, and the inner side wall of the sealing pad away from the filter core is fixed with a plurality of square blocks respectively inserted into the limiting openings.
[0007] The utility model further sets up that the outer part between the two housings is provided with two groups of assembly sleeves connected in a cylindrical shape, and the two groups of assembly sleeves are clamped at the flange disc parts of the two housings.
[0008] The utility model further sets up, two assembly sleeves meet the end face all fixed with connecting plate, two connecting plates meet through locking piece connection assembly, locking piece includes bolt and nut, the inner side wall of assembly sleeve all is provided with sealing ring that meets the flange disc part of shell position.
[0009] The utility model has the advantages of:
[0010] The utility model discloses the following beneficial effects:
[0011] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages above simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be needed to use the drawing of the embodiment to introduce briefly, obviously, the drawing in the following description only is some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0013] Figure 1 For the structural diagram in the utility model.
[0014] Figure 2 For the structure diagram of sealing pad in the utility model.
[0015] Figure 3 For the sectional view of shell in the utility model.
[0016] Figure 4 For the structural sectional view of assembly sleeve in the utility model.
[0017] Figure 5 For the overhead structure diagram of the utility model.
[0018] Figure 6 For the external structure diagram of the utility model.
[0019] In the drawing, the component list represented by each sign is as follows:
[0020] 1-shell, 101-flow-through hole, 102-mounting groove, 103-bite groove, 104-limiting port, 2-filter core, 3-sealing pad, 301-square, 4-assembly sleeve, 401-connecting plate, 402-sealing ring, 403-locking piece. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Embodiment 1
[0022] Please refer to Figures 1 to 6 The utility model discloses a low-resistance metal fiber filter, which is characterized in that the filter core 2 is clamped by the clamping grooves 103 formed on the opposite end faces of the two housings 1, thereby improving the installation stability of the filter core 2.
[0023] Specifically, the two housings 1 are connected in up-down direction; the opposite faces of the two housings 1 are provided with semicircular mounting grooves 102, which are combined to form complete circular mounting grooves; the end faces of the opposite faces of the two housings 1 are provided with clamping grooves 103 at the positions of the side edges of the mounting grooves 102; the filter core 2 is arranged between the two housings 1 at the positions of the clamping grooves 103; the upper and lower end faces of the filter core 2 are provided with sealing pads 3 matched with the clamping grooves 103; the end faces of the two housings 1 away from the filter core 2 are provided with flow-through holes 101 connected with the interiors of the mounting grooves 102; the inner side walls of the housings 1 at the connecting positions of the clamping grooves 103 and the mounting grooves 102 are provided with a plurality of limiting openings 104 arranged along the circumferential walls; and the inner side walls of the sealing pads 3 away from the filter core 2 are fixed with a plurality of square blocks 301 respectively inserted into the interiors of the limiting openings 104.
[0024] The operation process of the embodiment is: through the use of the above structure, because the through holes 101 are arranged on the opposite end faces of the two housings 1, when using the filter, two pipes are respectively inserted into the corresponding through holes 101, so as to distinguish the water inlet end and the water outlet end, the filter element 2 adopts 316L fiber, which realizes low resistance performance under the premise of meeting the performance requirement, at the same time, the internal polishing of the housing 1 is improved to RA0.125, and when the housing 1 is processed, the precision can be ensured through the precision machining center, the roughness can be reached through mechanical polishing and fluid polishing, the chromium-iron ratio and surface roughness after electrolysis are controlled through the electrolytic polishing process, finally, the pollution control is realized through the cleaning of the super pure water in the clean environment, and at the same time, the corresponding engagement grooves 103 are arranged on the end portions of the two housings 1, so that after the filter element 2 is arranged at the position between the two housings 1, the filter element 2 is engaged and extruded through the protruding portion between the engagement groove 103 and the mounting groove 102, so as to improve the stability of the installation of the filter element 2, at the same time, the sealing gasket 3 is arranged between the protruding portion and the filter element 2, which can improve the sealing performance of the gap therebetween, and the block 301 is inserted into the limiting opening 104, so that the block 301 limits the sealing gasket 3 to avoid the sliding of the sealing gasket 3. Embodiment 2
[0025] Please refer to Figure 4 , Figure 5 and Figure 6 , on the basis of embodiment 1, the two housings 1 are assembled through the assembly sleeve 4, so as to improve the connection sealing performance between the two housings 1.
[0026] Specifically, two groups of assembly sleeves 4 in a cylindrical shape are arranged outside the position between the two housings 1, and the two groups of assembly sleeves 4 are clamped at the flange plate portions of the two housings 1, the end faces of the two assembly sleeves 4 are fixed with connecting plates 401, and the two connecting plates 401 are connected and assembled through the locking member 403.
[0027] The operation process of the embodiment is: through the use of the above structure, when the two housings 1 are installed, the two groups of assembly sleeves 4 are directly clamped on the flange plates of the housings 1, and then the sealing rings 402 inside the assembly sleeves 4 will be in contact with the flange plates on the housings 1, at this time, the locking member 403 is locked from the two connecting plates 401, so as to improve the tightness between the assembly sleeve 4 and the housing 1, and the sealing ring 402 is compressed, so as to improve the sealing between the two housings 1.
[0028] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description 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.
[0029] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.
Claims
1. A low resistance metal fiber filter comprising two upper and lower abutting housings (1); characterized in that: The opposite faces of the two shells (1) are provided with semicircular mounting grooves (102), the end faces of the opposite faces of the two shells (1) are provided with engaging grooves (103) at the positions of the side edges of the mounting grooves (102), the filter element (2) is arranged between the two shells (1) at the position of the engaging grooves (103), the upper and lower end faces of the filter element (2) are provided with sealing gaskets (3) used in cooperation with the engaging grooves (103), and the end faces of the two shells (1) away from the filter element (2) are provided with flow-through holes (101) connected with the interiors of the mounting grooves (102).
2. A low resistance metal fiber filter according to claim 1, wherein The inner side walls of the shells (1) at the connecting positions of the engaging grooves (103) and the mounting grooves (102) are provided with a plurality of limiting openings (104) arranged along the circumferential walls, and the inner side walls of the sealing gaskets (3) away from the filter element (2) are fixed with a plurality of square blocks (301) respectively inserted into the interiors of the limiting openings (104).
3. A low resistance metal fiber filter according to claim 1, wherein The outer positions between the two shells (1) are provided with two groups of assembly sleeves (4) connected in a cylindrical shape, and the two groups of assembly sleeves (4) are clamped at the flange plate positions of the two shells (1).
4. A low resistance metal fiber filter according to claim 3, wherein The end faces of the two assembly sleeves (4) are fixed with connecting plates (401), and the two connecting plates (401) are connected and assembled through locking members (403), and the locking members (403) include bolts and nuts.
5. A low resistance metal fiber filter according to claim 4, wherein The inner side walls of the assembly sleeves (4) are provided with sealing rings (402) connected with the flange plate positions of the shells (1).