Filter with cover plate crimping structure
By introducing positioning mechanisms and protective measures into the filter, the problem of inconvenient positioning of the cover plate is solved, rapid installation and stable positioning are achieved, working efficiency and sealing performance are improved, and threaded nails are slipped out and component damage is avoided.
Patent Information
- Application Number
- CN202420979263.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-05-08
AI Technical Summary
Existing filters are not easy to align during the compression and positioning of the cover plate, resulting in inconvenient screw installation, affecting working efficiency and the practicality of the device.
Adopt a positioning mechanism, including vertical positioning rods, positioning holes, pressing plates, threaded rods and baffles. Through sliding connections and threaded connections, ensure the stable positioning of the cover plate and the shell, and improve sealing performance and stability through protective plates and anti-slip pads. sex.
It realizes rapid installation and stable positioning of the cover plate, avoids threaded nails from slipping out, improves the efficiency of the device and sealing performance, and reduces the risk of component damage.
Smart Images

Figure CN222168658U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filters, in particular to a filter with a cover plate crimping structure. Background Art
[0002] In the 5G era, with the upgrading of system and integration requirements, the performance indicators of filters are also improved and tightened, especially the PIM3 indicator of filters. In order to meet the PIM3 indicator, filters have higher requirements for design, manufacturing and cost. Cost is a strong competitive advantage of the entire filter. The filter usually includes a base and a cover, and the cover is installed on the base with multiple screws.
[0003] A Chinese patent discloses a filter and a filter with a cover plate crimping structure, announcement number: CN220306485U, including a shell, one end of which has an opening, in which a resonant component is arranged; a cover plate, which is covered on the shell and can close the opening, and a tuning component is arranged on the cover plate; a pressing piece, which is pressed on the edge of the cover plate; and a plurality of screws, which are inserted through the pressing piece and the cover plate and are threadedly connected to the shell.
[0004] In the prior art, a pressing piece is provided to press the cover of the filter. However, it is difficult to align the mounting holes on the housing, the cover and the pressing piece during positioning, which makes it inconvenient to screw in the screws. Therefore, we propose a filter with a cover crimping structure. Utility Model Content
[0005] The utility model aims to solve the above problems and proposes a filter with a cover plate crimping structure.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a filter with a cover plate crimping structure, comprising a shell, a positioning mechanism is arranged on the surface of the shell, the positioning mechanism comprises a plurality of vertically arranged positioning rods and a cover plate body, a plurality of positioning holes are opened on the surface of the cover plate body, the positioning rods are slidably connected to the positioning holes, a plurality of the surfaces of the positioning rods are slidably connected to a pressure plate, a positioning cylinder is arranged on the surface of the pressure plate, a plurality of threaded rods are slidably connected to the surface of the positioning cylinder, a plurality of threaded rods are arranged on the surface of the plurality of threaded rods, a baffle is arranged on the surface of the shell, a plurality of threaded holes are opened on the surface of the shell, and a plurality of the threaded rods are threadedly connected to the threaded holes.
[0007] Preferably, a plurality of limiting grooves are formed on the surface of the pressure plate, and a plurality of baffles are engaged with the limiting grooves. The baffles are slidably connected inside the limiting grooves, which can effectively prevent the threaded rod from leaving the cover plate body.
[0008] Preferably, a protective plate is provided on the surface of the cover body, and the protective plate is slidably connected to the shell body. The provided protective plate can improve the sealing performance of the device.
[0009] Preferably, a card plate is provided on the surface of the shell body, and a card slot is provided on the surface of the protective plate. The card plate is engaged with the card slot, and the card plate is clamped inside the card slot on the protective plate, so that the cover body can be installed on the shell more stably.
[0010] Preferably, a first anti-skid pad is arranged between the cover body and the shell, and a second anti-skid pad is arranged between the cover body and the pressure plate. The first anti-skid pad and the second anti-skid pad can improve the sealing of the device and prevent the components from being damaged by moisture.
[0011] Preferably, the first anti-slip pad and the second anti-slip pad are both provided with a through hole for the positioning rod to pass through, and the first anti-slip pad and the second anti-slip pad can be sleeved on the positioning rod.
[0012] Preferably, a mounting plate is provided on the surface of the shell, and mounting holes are opened on the surface of the mounting plate. The provided mounting plate can facilitate the installation of the device.
[0013] Compared with the prior art, the advantages and positive effects of the utility model are:
[0014] 1. The utility model provides a filter with a cover plate crimping structure, which can facilitate positioning of the cover plate body and the pressing plate before fixing the cover plate body by setting a positioning mechanism, so that it can be installed quickly and the operation is simple.
[0015] 2. The utility model proposes a filter with a cover plate crimping structure, which can limit the threaded nails by setting a baffle, which can effectively prevent the threaded nails from sliding out of the cover plate body and causing the loss of the threaded nails, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model provides an exploded structural schematic diagram of a filter with a cover plate crimping structure;
[0017] Figure 2 A three-dimensional structural schematic diagram of a filter with a cover plate crimping structure is proposed for the utility model;
[0018] Figure 3 The utility model provides a schematic cross-sectional structure diagram of a pressing plate of a filter with a cover plate pressing structure.
[0019] Legend: 1. Shell; 2. Positioning mechanism; 201. Positioning rod; 202. Cover body; 203. Positioning hole; 204. Pressing plate; 205. Positioning cylinder; 206. Threaded rod; 207. Baffle; 208. Threaded hole; 3. Limiting groove; 4. Protective plate; 5. Clamping plate; 6. Clamping groove; 7. First anti-slip pad; 8. Second anti-slip pad; 9. Mounting plate. DETAILED DESCRIPTION
[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0022] Embodiment 1, as Figure 1-3 As shown, a filter with a cover plate crimping structure includes a shell 1, a positioning mechanism 2 is arranged on the surface of the shell 1, the positioning mechanism 2 includes a plurality of vertically arranged positioning rods 201 and a cover plate body 202, a plurality of positioning holes 203 are opened on the surface of the cover plate body 202, the positioning rods 201 are slidably connected to the positioning holes 203, a plurality of positioning rods 201 are slidably connected to a pressure plate 204 on the surface, a positioning cylinder 205 is arranged on the surface of the pressure plate 204, a plurality of threaded rods 206 are slidably connected to the surface of the positioning cylinder 205, a baffle 207 is arranged on the surface of the plurality of threaded rods 206, a plurality of threaded holes 208 are opened on the surface of the shell 1, and a plurality of threaded rods 206 are threadedly connected to the threaded holes 208.
[0023] The effect achieved by the entire embodiment 1 is that the positioning hole 203 on the cover body 202 is sleeved on the corresponding positioning rod 201, the set pressure plate 204 can press the cover body 202, and the positioning tube 205 is set on the cover body 202, which can improve the stability of the threaded rod 206. When the cover body 202 is sleeved on the positioning rod 201, the threaded rod 206 passes through the positioning hole 203 and is screwed into the threaded hole 208. There is no need to manually find the position of the threaded hole 208, which improves work efficiency. The set baffle 207 can prevent the threaded rod 206 from slipping off the device, avoid the loss of the threaded rod 206, and improve the use effect of the device.
[0024] Embodiment 2, as Figure 1-3As shown, a plurality of limit grooves 3 are provided on the surface of the pressure plate 204, and a plurality of baffles 207 are clamped with the limit grooves 3; a protective plate 4 is provided on the surface of the cover body 202, and the protective plate 4 is slidably connected with the shell body 1; a clamping plate 5 is provided on the surface of the shell body 1, and a clamping groove 6 is provided on the surface of the protective plate 4, and the clamping plate 5 is clamped with the clamping groove 6; a first anti-slip pad 7 is provided between the cover body 202 and the shell 1, and a second anti-slip pad 8 is provided between the cover body 202 and the pressure plate 204; both the first anti-slip pad 7 and the second anti-slip pad 8 are provided with through holes for the positioning rod 201 to pass through; a mounting plate 9 is provided on the surface of the shell 1, and a mounting hole is provided on the surface of the mounting plate 9.
[0025] The effect achieved by the entire embodiment 2 is that the baffle 207 is slidably connected to the inside of the limit groove 3, which can effectively prevent the threaded rod 206 from leaving the cover body 202, the protective plate 4 is set to improve the sealing performance of the device, the card plate 5 is clamped in the card groove 6 on the protective plate 4, so that the cover body 202 can be more stably installed on the shell 1, the first anti-slip pad 7 and the second anti-slip pad 8 are set to improve the sealing of the device and prevent the components from being damaged by moisture, the first anti-slip pad 7 and the second anti-slip pad 8 can be sleeved on the positioning rod 201, and the mounting plate 9 is set to facilitate the installation of the device.
[0026] Working principle: when installing the cover, place the first anti-slip pad 7 along the positioning rod 201 on the surface of the shell 1, and then place the cover body 202 along the positioning rod 201 on the first anti-slip pad 7, and then put the second anti-slip pad 8 and one side of the pressure plate 204 on the positioning rod 201. At this time, rotate the threaded rod 206 set on the cover body 202 so that the threaded rod 206 can be screwed into the threaded hole 208 opened on the shell 1. At this time, the cover body 202 can be fixed. When disassembling, unscrew the threaded rod 206 from the threaded hole 208. At this time, the pressure plate 204 can be removed. The baffle 207 always slides inside the limit groove 3 and can prevent the threaded rod 206 from slipping out of the pressure plate 204.
[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A filter with a cover plate crimping structure, comprising a housing (1), characterized in that: The surface of the shell (1) is provided with a positioning mechanism (2), the positioning mechanism (2) comprises a plurality of vertically arranged positioning rods (201) and a cover body (202), the surface of the cover body (202) is provided with a plurality of positioning holes (203), the positioning rods (201) are slidably connected to the positioning holes (203), the surfaces of the plurality of positioning rods (201) are slidably connected to a pressure plate (204), the surface of the pressure plate (204) is provided with a positioning cylinder (205), the surface of the positioning cylinder (205) is slidably connected to a plurality of threaded rods (206), the surfaces of the plurality of threaded rods (206) are all provided with baffles (207), the surface of the shell (1) is provided with a plurality of threaded holes (208), the plurality of threaded rods (206) are threadedly connected to the threaded holes (208).
2. The filter with a cover plate crimping structure according to claim 1, characterized in that: A plurality of limiting grooves (3) are provided on the surface of the pressure plate (204), and a plurality of baffles (207) are snap-fitted to the limiting grooves (3).
3. The filter with a cover plate crimping structure according to claim 1, characterized in that: A protective plate (4) is provided on the surface of the cover plate body (202), and the protective plate (4) is slidably connected to the shell body (1).
4. The filter with a cover plate crimping structure according to claim 3, characterized in that: A clamping plate (5) is provided on the surface of the housing (1), a clamping slot (6) is provided on the surface of the protective plate (4), and the clamping plate (5) is clamped with the clamping slot (6).
5. The filter with a cover plate crimping structure according to claim 3, characterized in that: A first anti-slip pad (7) is arranged between the cover body (202) and the shell (1), and a second anti-slip pad (8) is arranged between the cover body (202) and the pressure plate (204).
6. The filter with a cover plate crimping structure according to claim 5, characterized in that: The first anti-slip pad (7) and the second anti-slip pad (8) are both provided with a through hole for the positioning rod (201) to pass through.
7. The filter with a cover plate crimping structure according to claim 1, characterized in that: A mounting plate (9) is provided on the surface of the housing (1), and a mounting hole is provided on the surface of the mounting plate (9).
Citation Information
Cited By
Filter with corrosion-resistant cover plate
CN224153574U
