Dustproof and moistureproof device for power electronic component

By adopting a slot and disassembly component design in the dust and moisture protection device for power electronic components, the problem of connection instability caused by spring fatigue is solved, enabling quick disassembly and assembly of the protective sleeve and convenient replacement of the desiccant, thereby improving the dust and moisture protection effect and service life of the device.

CN224104670UActive Publication Date: 2026-04-10杭州义睿电子有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing dust and moisture protection devices for power electronic components, the first spring in the connection mechanism may experience fatigue and reduced elasticity after being compressed for a long time. This affects the reset function of the positioning block, thereby reducing the stability of the connection between the outer shell of the enclosure and the mounting base plate, leading to loosening and gaps, and affecting the dust and moisture protection effect.

Method used

The device features a slot design on the top of the support base, combined with a protective sleeve, a screw-on assembly, and a disassembly assembly. The protective sleeve is quickly installed and removed by rotating the threaded rod driven by a forward and reverse motor. A sealing ring ensures connection stability, and the desiccant can be quickly replaced by screwing on the sleeve to maintain a dry internal environment.

Benefits of technology

It enables quick assembly and disassembly of the protective sleeve, avoids loosening caused by spring fatigue, ensures the dust and moisture protection effect of the device, simplifies the desiccant replacement process, and improves the service life and stability of the device.

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Abstract

The utility model relates to the technical field of electronic component protection, and provides a dustproof and moistureproof device for power electronic components, which is characterized in that a clamping groove is arranged at the edge of a bearing table at the top of a bearing seat; after the protective sleeve seat is clamped in the clamping groove, the slot can start a forward and reverse motor, and two groups of threaded rods start to rotate under the meshing action of a first conical tooth and a second conical tooth, so that the sliding seats in threaded connection with the outer sides of the threaded rods synchronously move back to back until the insertion column is inserted into the slot; at the moment, the protective sleeve seat is compressed at the first sealing groove through the first sealing ring pad, namely, the mounting and fixing work of the protective sleeve seat at the top of the bearing seat is completed through the dismounting and mounting assembly, and similarly, the dismounting work of the protective sleeve seat at the top of the bearing seat can be completed by starting the forward and reverse motor to rotate reversely; according to the design, looseness caused by fatigue of the spring in long-term use can be avoided, and meanwhile, quick disassembly and assembly work between the bearing seat and the protection assembly can be completed through the disassembly and assembly assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electronic components protection technical field, specifically, relate to a kind of power electronic components dustproof and moisture-proof device. BACKGROUND

[0002] Electronic components are the basic building blocks of electronic devices, and their performance and stability directly affect the operation of the entire device. During the storage and use of electronic components, dust prevention and moisture prevention are two crucial links. The purpose of dust prevention is to prevent dust, dirt and other impurities from adhering to the surface of the components or invading their interior. The accumulation of dust not only affects the heat dissipation performance of the components, but also can cause poor electrical contact, and even cause failure. Therefore, through dust prevention measures such as sealing design, regular cleaning, etc., the cleanliness of the components can be ensured, and their service life can be extended. The purpose of moisture prevention is to prevent components from being damaged or having their performance degraded due to moisture. Moisture can cause oxidation of the metal pins of electronic components, delamination of plastic packaging, and internal bursting, among other problems. In severe cases, it can also cause "popcorn" effect, rendering the components completely ineffective. Through moisture prevention measures such as using moisture-proof cabinets for storage, vacuum drying packaging, and placing desiccants, the risk of moisture damage to components can be effectively reduced, ensuring their stable operation. In summary, dust prevention and moisture prevention are essential protection measures during the storage and use of electronic components, and they work together to protect the performance and stability of the components.

[0003] After searching, the publication number CN222564151U discloses a kind of power electronic components dustproof and moisture-proof device, belongs to electronic components technical field, for the problem that box cannot be disassembled, internal electronic components and fan are overhauled and cannot be replaced porous plate, including installation bottom plate, box shell, connecting mechanism, dustproof and moisture-proof mechanism and fan, the box shell is located on the top of installation bottom plate, the box shell is connected with installation bottom plate by connecting mechanism, the dustproof and moisture-proof mechanism is symmetrically arranged on the two sides of box shell, the fan is symmetrically fixed and installed on the top of installation bottom plate two sides;The utility model can quickly disassemble and install the box shell and installation bottom plate by setting the connecting mechanism, which is convenient for overhauling and maintaining the internal electronic components, improves the practicability and convenience of the device, and further improves the service life of the electronic components.

[0004] The above-mentioned power electronic components dustproof and moisture-proof device has the problem that the first spring in the connecting mechanism may lose its elasticity due to fatigue after being compressed for a long time, affecting the resetting function of the positioning block, thereby reducing the stability of the connection between the box shell and the installation bottom plate, and ultimately causing the box shell and the installation bottom plate to loosen and form a gap, thereby affecting the dustproof and moisture-proof effect inside the box shell. SUMMARY

[0005] The utility model provides a kind of power electronic component dustproof and moisture-proof device, solve the first spring in connecting mechanism in prior art possibly due to fatigue to cause elasticity to drop after long-term compression, affect the reset function of positioning block, to further reduce the stability of the connection of box shell and mounting base plate, and finally lead to box shell and mounting base plate thus loose gap, to affect the dustproof and moisture-proof effect inside box shell.

[0006] The technical scheme of the utility model is as follows: a kind of power electronic component dustproof and moisture-proof device, including support seat, the top of the support seat is equipped with support table, the top of the support seat is located at the edge of support table and is equipped with clamping groove, the inner side of the clamping groove is equipped with first sealing groove, the clamping groove is further provided with the protection assembly that can be used to protect electronic components dustproof and moisture-proof at support table, the top of the protection assembly is further provided with the screw sleeve assembly that can be used to place drying agent, the bottom of the support seat and the protection assembly connection are provided with the dismounting assembly that can be completed two quick assembly and split.

[0007] Preferably, the protection assembly includes a protective sleeve seat, a first sealing ring pad is fixedly connected to the bottom of the protective sleeve seat, the first sealing ring pad corresponds in position to the first sealing groove, and a plug-in groove is symmetrically formed in the bottom of the outer side of the protective sleeve seat.

[0008] Preferably, the protection assembly further includes a threaded groove, which is distributed on the lower part of the inner wall of the top slot of the protective sleeve seat.

[0009] Preferably, the protection assembly further includes a second sealing groove, which is fixedly connected to the upper part of the inner wall of the top slot of the protective sleeve seat.

[0010] Preferably, the screw sleeve assembly includes a screw sleeve, a threaded ring is fixedly connected to the upper part of the outer side of the screw sleeve, the threaded ring matches the threaded groove, the screw sleeve assembly further includes a second sealing ring pad, which is fixedly connected to the outer side of the screw sleeve above the threaded ring, and the second sealing ring pad corresponds in position to the second sealing groove.

[0011] Preferably, the screw sleeve assembly further includes a taking and placing groove, which is formed through the middle part of the outer side of the screw sleeve, and the screw sleeve assembly further includes a mesh groove plate, which is fixedly connected to the lower part of the outer side of the screw sleeve in a ring shape.

[0012] Preferably, the dismounting assembly includes a forward and reverse motor, which is fixedly connected inside the support seat, a first conical tooth is fixedly connected to the output end of the forward and reverse motor, the dismounting assembly further includes two groups of threaded rods rotatably connected to the bottom of the support seat, a second conical tooth is fixedly connected to the outer end of each threaded rod, and the second conical teeth on both sides are in contact with and rotatably connected to the first conical tooth in meshing.

[0013] Preferably, the disassembling and assembling component further comprises sliding seats, each of the sliding seats is threadedly connected to the outer side of each threaded rod, and a inserting post is fixedly connected to the side surface of each sliding seat and matches the size of the inserting groove.

[0014] The utility model discloses beneficial effect is:

[0015] 1, the utility model discloses a card slot is set to the edge at the top of the supporting seat of the supporting table, and the protective sleeve seat is clamped in the card slot, and the reverse motor can be started under the meshing effect of the first taper tooth and the second taper tooth, and the two groups of threaded rods start to rotate, and then the sliding seat that is threadedly connected to the outer side of each threaded rod moves synchronously in the opposite direction until the inserting post is inserted into the inserting groove, at this time, the protective sleeve seat is pressed in the first sealing groove through the first sealing ring pad, and the above-mentioned is through the disassembling and assembling component to complete the installation and fixation work of the protective sleeve seat on the top of the supporting seat, and the reverse rotation of the reverse motor can complete the disassembly work of the protective sleeve seat on the top of the supporting seat, compared with the prior art, the design can avoid the spring fatigue and cause the loosening in long-term use, and the disassembling and assembling component can also complete the quick disassembly and assembly work between the supporting seat and the protective component.

[0016] 2, the design is provided with a threaded groove and a second sealing groove in the slot at the top of the protective sleeve seat, the threaded ring outside the screw sleeve can be aligned with the threaded groove and screwed in after filling the drying agent in the screw sleeve through the taking and placing groove, and the second sealing ring pad is pressed in the second sealing groove, through the design, the drying agent in the protective sleeve seat can be quickly replaced to ensure the dryness of the environment in the top of the supporting table and the protective sleeve seat without lifting the protective sleeve seat on the top of the supporting seat. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0018] Figure 1 It is the disassembly and assembly diagram of the supporting seat and the protective component and the screw sleeve component of the utility model;

[0019] Figure 2 It is the A area enlarged view of Figure 1

[0020] Figure 3 It is the screw sleeve component schematic view of the utility model;

[0021] Figure 4 It is the protective component schematic view of the utility model;

[0022] Figure 5 It is the whole device side bottom schematic view of the utility model;

[0023] Figure 6 It is the disassembling and assembling component schematic view of the utility model;

[0024] ​In the figure: 1, bearing seat; 11, bearing table; 12, clamping groove; 121, first sealing groove; 2, protection assembly; 21, protection sleeve seat; 211, threaded groove; 212, second sealing groove; 23, first sealing ring pad; 24, insertion slot; 3, screw sleeve assembly; 31, screw sleeve; 311, threaded ring; 312, second sealing ring pad; 32, taking and placing groove; 33, net groove plate; 4, disassembly and assembly assembly; 41, forward and reverse motor; 411, first conical tooth; 42, threaded rod; 421, second conical tooth; 43, sliding seat; 431, insertion column. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below in combination with 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 are involved in the protection scope of the utility model.

[0026] Please refer to Figure 1 and Figure 3 and Figure 4 and Figure 6 The utility model provides a kind of technical scheme: a kind of dustproof and moistureproof device for power electronic components, including bearing seat 1, bearing seat 1 top is equipped with bearing table 11, bearing seat 1 top is located at the edge of bearing table 11 and is equipped with clamping groove 12, first sealing groove 121 is opened in the inner side of clamping groove 12, clamping groove 12 is also provided with the protection assembly 2 that can be dustproof and moistureproof to electronic component at bearing table 11, protection assembly 2 top is also provided with the screw sleeve assembly 3 that can place drying agent, bearing seat 1 bottom and protection assembly 2 connecting place are provided with the disassembly and assembly assembly 4 that can complete the quick assembly and split of both;

[0027] Through the design, it solves the problem that the first spring in the connecting mechanism in the prior art may cause the elasticity to decrease due to fatigue after being pressed for a long time, affect the reset function of the positioning block, thereby reduce the stability of the connection between the box shell and the mounting bottom plate, and finally cause the box shell and the mounting bottom plate to loosen and have a gap, thereby affecting the dustproof and moistureproof effect inside the box shell.

[0028] Please refer to Figure 4 Protection assembly 2 includes protection sleeve seat 21, protection sleeve seat 21 bottom is fixedly connected with first sealing ring pad 23, first sealing ring pad 23 and first sealing groove 121 position correspond, protection sleeve seat 21 outer side bottom is also symmetrically provided with insertion slot 24;

[0029] By being provided with first sealing ring pad 23 matched with first sealing groove 121 at the bottom of protection sleeve seat 21, when protection sleeve seat 21 is fixedly installed at clamping groove 12, a gap can be avoided at the connecting portion of the two.

[0030] Please refer to Figure 1 and Figure 2 and 3 , the protection assembly 2 further comprises a threaded groove 211 distributed on the lower part of the inner wall of the top slot of the protection sleeve base 21.

[0031] The protection assembly 2 further comprises a second sealing groove 212 fixedly connected to the upper part of the inner wall of the top slot of the protection sleeve base 21.

[0032] The screw sleeve assembly 3 comprises a screw sleeve 31, the outer upper part of which is fixedly connected with a threaded ring 311 matched with the threaded groove 211, and further comprises a second sealing ring pad 312 fixedly connected to the outer side of the screw sleeve 31 above the threaded ring 311, which is in position correspondence with the second sealing groove 212.

[0033] The screw sleeve assembly 3 further comprises a taking and placing groove 32, which is provided through the middle part of the outer side of the screw sleeve 31, and further comprises a mesh groove plate 33 fixedly connected to the lower part of the outer side of the screw sleeve 31.

[0034] Through the design, the desiccant in the protection sleeve base 21 can be quickly replaced without lifting the top protection sleeve base 21 of the support base 1, so as to ensure the dryness of the environment inside the support base 11 and the protection sleeve base 21.

[0035] Please refer to Figure 5 and Figure 6 The disassembling and assembling assembly 4 comprises a forward and reverse motor 41 fixedly arranged inside the support base 1, the output end of which is fixedly connected with a first conical tooth 411, and further comprises two groups of threaded rods 42 rotatably connected to the bottom of the support base 1, the outer end of each threaded rod 42 being fixedly connected with a second conical tooth 421, both of which are in contact with and rotatably connected with the first conical tooth 411.

[0036] The disassembling and assembling assembly 4 further comprises a sliding seat 43, each of which is threadedly connected to the outer side of each threaded rod 42, and further comprises an insertion column 431 fixedly connected to the side surface of the sliding seat 43, which is matched in size with the insertion groove 24.

[0037] Through the design, the disassembly and assembly of the protection sleeve base 21 at the clamping groove 12 can be quickly completed.

[0038] The working principle of the utility model:

[0039] After the protective sleeve seat 21 is clamped at the card slot 12, the insertion slot 24 can start the reversible motor 41 and make the two groups of threaded rods 42 start to rotate under the meshing action of the first and second tapered teeth 411 and 421, so as to make the sliding seats 43 connected with the threaded rods 42 move synchronously in the opposite direction until the insertion column 431 is inserted into the insertion slot 24, at this time, the protective sleeve seat 21 is pressed at the first sealing groove 121 through the first sealing ring pad 23, and the above is completed by the disassembling and assembling assembly 4 to install and fix the protective sleeve seat 21 on the top of the supporting seat 1, and the reverse rotation of the reversible motor 41 can complete the disassembly work of the protective sleeve seat 21 on the top of the supporting seat 1.

[0040] After the desiccant is filled in the twist sleeve 31 through the taking and placing groove 32, the outer threaded ring 311 of the twist sleeve 31 can be aligned with the threaded groove 211 and screwed in until the second sealing ring pad 312 is tightly pressed at the second sealing groove 212, through the design, the desiccant in the protective sleeve seat 21 can be quickly replaced without lifting the protective sleeve seat 21 on the top of the supporting seat 1, so as to ensure the dryness of the environment in the supporting seat 11 and the protective sleeve seat 21.

[0041] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dust and moisture proof device for power electronic components, comprising a supporting seat (1), characterized in that, The supporting seat (1) is provided with a supporting table (11) at the top, and a clamping groove (12) is formed at the edge of the supporting table (11), a first sealing groove (121) is formed in the inner side of the clamping groove (12), a protection assembly (2) for preventing dust and moisture from entering the electronic components on the supporting table (11) is arranged in the clamping groove (12), a screw sleeve assembly (3) for placing a drying agent is arranged on the top of the protection assembly (2), and a disassembling assembly (4) for quickly assembling and disassembling the supporting seat (1) and the protection assembly (2) is arranged at the connecting position of the bottom of the supporting seat (1) and the protection assembly (2).

2. The dust and moisture proof device for power electronic components according to claim 1, characterized in that, The protection assembly (2) comprises a protection sleeve seat (21), and the bottom of the protection sleeve seat (21) is fixedly connected with a first sealing ring pad (23), the first sealing ring pad (23) corresponds to the position of the first sealing groove (121), and the bottom of the outer side of the protection sleeve seat (21) is also symmetrically provided with an insertion groove (24).

3. The dust and moisture proof device for power electronic components according to claim 1, characterized in that, The protection assembly (2) further comprises a threaded groove (211), and the threaded groove (211) is arranged on the lower part of the inner wall of the top slot of the protection sleeve seat (21).

4. The dust and moisture proof device for power electronic components according to claim 1, characterized in that, The protection assembly (2) further comprises a second sealing groove (212), and the second sealing groove (212) is fixedly connected to the upper part of the inner wall of the top slot of the protection sleeve seat (21).

5. The dust and moisture proof device for power electronic components according to claim 1, characterized in that, The screw sleeve assembly (3) comprises a screw sleeve (31), a threaded ring (311) is fixedly connected to the upper part of the outer side of the screw sleeve (31), the threaded ring (311) is matched with the threaded groove (211), the screw sleeve assembly (3) further comprises a second sealing ring pad (312), the second sealing ring pad (312) is fixedly connected to the outer side of the screw sleeve (31) above the threaded ring (311), and the second sealing ring pad (312) corresponds to the position of the second sealing groove (212).

6. The dust and moisture proof device for power electronic components according to claim 1, wherein The screw sleeve assembly (3) further comprises a taking and placing groove (32), and the taking and placing groove (32) is formed through the middle part of the outer side of the screw sleeve (31); the screw sleeve assembly (3) further comprises a mesh groove plate (33), and the mesh groove plate (33) is fixedly connected to the lower part of the outer side of the screw sleeve (31) in an annular shape.

7. The dust and moisture proof device for power electronic components according to claim 1, characterized in that, The disassembling assembly (4) comprises a forward and reverse motor (41), the forward and reverse motor (41) is fixedly arranged in the inner part of the supporting seat (1), a first conical tooth (411) is fixedly connected to the output end of the forward and reverse motor (41), the disassembling assembly (4) further comprises two groups of threaded rods (42) rotatably connected to the bottom of the supporting seat (1), a second conical tooth (421) is fixedly connected to the outer end of each threaded rod (42), and the two second conical teeth (421) are in contact with and rotatably connected to the first conical tooth (411).

8. The dust and moisture proof device for power electronic components according to claim 1, characterized in that, The disassembling assembly (4) further comprises a sliding seat (43), each sliding seat (43) is threadedly connected to the outer side of each threaded rod (42), and an insertion column (431) is fixedly connected to the side surface of the sliding seat (43), and the insertion column (431) is matched with the insertion groove (24) in size.

Citation Information

Patent Citations

  • Dustproof and moistureproof device for power electronic component

    CN222564151U