Dustproof door assembly, power supply track, and track socket
The linkage structure and linkage gap design of the dustproof door assembly solves the problem of dust entering the power rail housing, achieves dustproof protection for the power rail, and extends its service life.
Patent Information
- Application Number
- PCT/CN2025/086065
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-04-10
- Filing Date
- 2025-03-31
- Publication Date
- 2025-10-16
AI Technical Summary
The housing of the power rail is easily infiltrated with dust through the rail opening, causing wear of the internal conductive plate and reducing its service life.
A dust door assembly is used, including multiple dust doors, dust door brackets and elastic parts. Through the linkage structure and linkage gap design, the dust door is only partially opened when the adapter is inserted, avoiding full opening or generating huge resistance, thereby preventing dust from entering.
Effectively prevent dust from entering the power rail, protect the conductive plate, and extend the service life of the power rail.
Smart Images

Figure CN2025086065_16102025_PF_FP_ABST
Abstract
Description
Dustproof door assembly, power track and track socket
[0001] The present application claims priority to Chinese Patent Application No. CN202410426646.X, filed on April 10, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD
[0002] The present application relates to the field of low-voltage electrical appliances, in particular to a dustproof door assembly, a power track and a track socket. BACKGROUND
[0003] With the improvement of living quality, people need more and more electrical appliances, so the demand for the number of wall sockets is also increasing. The number of ordinary wall sockets is often not enough, and if too many wall sockets are installed, it will affect the appearance. Therefore, track sockets have emerged. The track socket includes an adapter and a long strip-shaped track. The track is installed on the wall, and the track socket in the track is electrically connected with the power supply line on the wall. The adapter has a conductive sheet and a socket. When using the track socket, the conductive sheet of the adapter is inserted into the track slot of the track and contacts the track socket in the track slot. Then the plug of the electrical appliance is inserted into the socket of the adapter, and the electrical appliance can take power from the adapter. The advantage of the track socket is that the adapter can be moved anywhere within a range by sliding in the track, so that the adapter can supply power to electrical appliances in multiple positions.
[0004] However, the shell of the power track has a track opening for the adapter to insert, and dust can easily enter the interior of the power track through the track opening, causing wear to the conductive plate inside, reducing the service life of the power track. SUMMARY
[0005] The present application aims to overcome the defects of the prior art and provide a dustproof door assembly, a power track and a track socket.
[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:
[0007] A dustproof door assembly, comprising: a plurality of dustproof doors, a dustproof door support and an elastic member;
[0008] The dustproof door support is arranged on at least one side of the track insertion opening, the plurality of dustproof doors are slidably arranged on the dustproof door support by the elastic member, and the plurality of dustproof doors are arranged along the track insertion opening and closed to the track insertion opening under the driving of the elastic member;
[0009] Each of the dustproof doors is provided with a driving slope at a driving end of the track insertion opening, and each of the dustproof doors is provided with a first linkage structure and a second linkage structure on two sides thereof, one dustproof door can be linked with the second linkage structure of an adjacent dustproof door through the first linkage structure, and the first linkage structure and the second linkage structure between the adjacent two dustproof doors are provided with a linkage gap, so that the sliding distance of the linked dustproof door is less than the sliding distance of the dustproof door driven by the adapter.
[0010] Preferably, the first linkage structure is a linkage rod arranged on one side of the dustproof door, and the second linkage structure is a first linkage surface and a second linkage surface arranged on the other side, wherein the linkage rod on one dustproof door is arranged in the sliding stroke range of the first linkage surface of the other adjacent dustproof door, and the second linkage surface is arranged in the sliding stroke range of the linkage rod, and the linkage gap includes a first linkage gap between the linkage rod and the first linkage surface and a second linkage gap between the linkage rod and the second linkage surface.
[0011] Preferably, the side of the dustproof door opposite to the linkage rod is provided with a linkage groove, and the first linkage surface and the second linkage surface are arranged on the side wall of the linkage groove, and the linkage rod of the dustproof door extends between the first linkage surface and the second linkage surface of the adjacent dustproof door.
[0012] Preferably, the dustproof door support is provided with a plurality of support units, and each dustproof door is arranged in a support unit to slide.
[0013] Preferably, the support unit is provided with a sliding surface for the dustproof door to slide and a limiting boss, and the bottom of the dustproof door is provided with a sliding part corresponding to the limiting boss and the sliding surface.
[0014] Preferably, the end of the sliding part corresponding to the driving end of the dustproof door is provided with a first limiting surface, and the end of the limiting boss forms mutual limiting to limit the return stroke of the dustproof door.
[0015] Preferably, the bottom surface of the sliding part is provided with a protruding second limiting part, the sliding surface is provided with a second limiting groove, and the second limiting part slides in the second limiting groove, and the forward stroke of the second limiting part is limited by the end of the second limiting groove close to the dustproof door.
[0016] Preferably, the elastic member is a columnar spring, the tail end of the dustproof door is provided with a limiting protruding column, the support unit is provided with a limiting hole, one end of the columnar spring is sleeved on the limiting protruding column, and the other end is embedded in the limiting hole.
[0017] Preferably, the track insertion opening is provided with dustproof door supports on both sides, and a plurality of dustproof doors are symmetrically arranged on the dustproof door supports on both sides, and the dustproof doors on both sides jointly close the track insertion opening.
[0018] The application also provides a power rail, comprising a rail body and a rail frame, the rail frame is provided with a cavity, the rail body is arranged in the cavity, and the rail body is further provided with any dustproof door assembly described above.
[0019] The application also provides an adapter and a power rail with a dustproof door assembly described above, the adapter is pluggable connected with the power rail.
[0020] The dustproof door assembly for the rail socket of the application is provided with first linkage structures and second linkage structures on both sides of each dustproof door, one dustproof door can be linked with the second linkage structures of adjacent dustproof doors through the first linkage structures, and the first linkage structures and the second linkage structures between adjacent dustproof doors are provided with linkage gaps so that the sliding distance of the linked dustproof door is less than the sliding distance of the dustproof door driven by the adapter. When the dustproof door driven by the adapter drives the adjacent dustproof door, the sliding distance of the adjacent linked dustproof door is less than the sliding distance of the dustproof door driven by the adapter. In this way, all the dustproof doors can be prevented from being opened when the adapter is inserted, or a great resistance can be prevented from preventing the insertion of the adapter. Under the setting of the appropriate linkage gap, the number of adjacent linked dustproof doors can be controlled within a small range, so that the opened dustproof door can be shielded by the adapter itself, and the dustproof door which is appropriately linked and slid to break a small space can make the adapter slide along the rail socket inlet. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 is a structural schematic diagram of the rail socket of the embodiment of the application;
[0022] Fig. 2 is a sectional structural schematic diagram of the power rail of the embodiment of the application;
[0023] Fig. 3 is a structural schematic diagram of the rail frame of the embodiment of the application;
[0024] Fig. 4 is a structural schematic diagram of the dustproof door assembly of the embodiment of the application;
[0025] Fig. 5 is a structural exploded schematic diagram of the dustproof door assembly of the embodiment of the application;
[0026] Fig. 6 is a structural schematic diagram of the dustproof door assembly of the embodiment of the application (another view);
[0027] Fig. 7 is an A-A sectional view of Fig. 6;
[0028] Fig. 8 is a structural schematic diagram of the dustproof door support of the embodiment of the application;
[0029] Fig. 9 is a structural schematic diagram of the dustproof door of the embodiment of the application;
[0030] Fig. 10 is a schematic diagram of the structure of the dustproof door of the embodiment of the present application (another perspective view) ;
[0031] Fig. 11 is a schematic diagram of the state of the dustproof door of the embodiment of the present application when driven by the adapter.
[0032] In the figure: dustproof door support 1, support unit 10, limiting boss 11, sliding surface 12, second limiting groove 121, limiting hole 15; elastic member 2; dustproof door 3, limiting convex column 31, linkage rod 33, sliding part 34, first limiting surface 341, second limiting part 342, driving inclined surface 35, linkage groove 36, first linkage surface 361, second linkage surface 362; track frame 4, cavity 41; track main body 7, track insertion opening 71; adapter 9. DETAILED DESCRIPTION
[0033] The following embodiments, combined with the accompanying drawings, further illustrate the specific implementation of the dustproof door assembly of the present application. The dustproof door assembly of the present application is not limited to the description of the following embodiments.
[0034] As shown in Fig. 1, a track socket is provided in the embodiment, which includes a power track and an adapter 9, the adapter 9 being pluggably connected with the power track.
[0035] As shown in Figs. 2 and 3, the power track of the embodiment includes a track outer frame 4, a track main body 7 and a dustproof door assembly, the track outer frame 4 being provided with a cavity 41, the track main body 7 and the dustproof door assembly being arranged in the cavity 41, wherein the track main body 7 generally includes an insulating support and an electrode conductive sheet arranged in the insulating support, to realize the conductive connection with the adapter 9 and realize the insulation with the track outer frame 4 (usually the track outer frame is a hardware profile, of course the track outer frame can also be an insulating material).
[0036] In the embodiment, the adapter 9 can be arranged on the power track by increasing or decreasing the number, and can slide in the area of the power track with the electrode conductive sheet.
[0037] As shown in Fig. 2, the track main body 7 includes two, and is oppositely arranged in the cavity 41, and forms a track insertion opening 71, and the corresponding position of the track outer frame 4 is also provided with an opening to facilitate the insertion of the adapter 9. The dustproof door assembly of the embodiment is mainly used for protecting the track insertion opening 71, and always keeps the track insertion opening 71 closed when there is no adapter inserted, and only opens the dustproof door at the corresponding position of the adapter when the adapter is inserted.
[0038] As shown in FIG. 4-10, the dustproof door assembly provided in the present embodiment is arranged at the upper end of the track main body 7, which comprises a plurality of dustproof doors 3, a dustproof door support 1 and a resilient member 2; the dustproof door support 1 is arranged at least at one side of the track insertion opening 71, and the plurality of dustproof doors 3 are slidably arranged on the dustproof door support 1 by the resilient member 2 (i.e. the plurality of dustproof doors 3 are arranged at least at one side of the track insertion opening 71), and the plurality of dustproof doors 3 are arranged along the track insertion opening and are closed under the driving of the resilient member 2; each dustproof door 3 is provided with a driving slope 35 at the driving end corresponding to the track insertion opening 71, and when the adapter is inserted, the driving slope 35 is contacted, and under the condition that the continuous downward pressure is applied to the driving slope 35, the dustproof door 3 compresses the resilient member 2, and the dustproof door 3 slides back to the side away from the track insertion opening, thereby opening the space for the adapter to continue to be inserted.
[0039] In the present embodiment, the first linkage structure and the second linkage structure are arranged at the two sides of each dustproof door 3 respectively, one dustproof door 3 can be linked with the second linkage structure of the adjacent dustproof door 3 through the first linkage structure, and the first linkage structure and the second linkage structure between the adjacent two dustproof doors 3 are provided with a linkage gap so that the sliding distance of the linked dustproof door 3 is less than the sliding distance of the dustproof door 3 driven by the adapter. When the adapter is inserted into the track to take power, the dustproof door 3 driven by the adapter drives the adjacent dustproof door 3, and the sliding distance of the adjacent linked dustproof door 3 is less than the sliding distance of the dustproof door 3 driven by the adapter. In this way, all the dustproof doors 3 can be opened or a large resistance can be generated to prevent the insertion of the adapter when the adapter is inserted. Under the setting of the appropriate linkage gap, the number of adjacent linked dustproof doors 3 can be controlled within a small range, and only the dustproof doors in the adapter coverage area will be appropriately retracted, so that the track insertion opening 71 area of the opened dustproof door 3 can be shielded by the adapter itself, and the objects such as dust and oil stains are blocked, thereby protecting the cleanliness of the components inside the track insertion opening.
[0040] It is worth noting that in the present embodiment, the linkage between the first linkage structure and the second linkage structure can be that the first linkage structure drives the second linkage structure, or the second linkage structure drives the first linkage structure.
[0041] In the embodiment, as shown in FIG. 7, FIG. 9 and FIG. 10, the first linkage structure is a linkage rod 33 arranged on one side of the dustproof door 3, and the second linkage structure is a first linkage surface 361 and a second linkage surface 362 arranged on the other side, wherein the linkage rod 33 on one dustproof door 3 is arranged in the sliding stroke range of the first linkage surface 361 of the adjacent dustproof door 3, and the second linkage surface 362 is arranged in the sliding stroke range of the linkage rod 33, and the linkage gap includes a first linkage gap h1 between the linkage rod 33 and the first linkage surface 361 and a second linkage gap h2 between the linkage rod 33 and the second linkage surface 362. The linkage rod 33 of the dustproof door 3 extends between the first linkage surface 361 and the second linkage surface 362 of the adjacent dustproof door 3; or the first linkage surface 361 and the second linkage surface 362 of the dustproof door 3 extend into the linkage rod 33 of the adjacent dustproof door 3.
[0042] As shown in FIG. 7 and FIG. 11, when the dustproof door 3 is the main body driven by the adapter, the first linkage surface 361 is arranged with the first linkage gap h1 between the linkage rod 33 of the adjacent dustproof door, and when the dustproof door 3 driven by the adapter starts to slide, the linkage rod 33 of the adjacent dustproof door can be driven to slide only after the first linkage gap h1 is moved by a distance.
[0043] When the dustproof door 3 is the main body linked, the adjacent dustproof door is driven to slide by the adapter, and the linkage rod 33 starts to contact the second linkage surface 362 only after sliding by a distance of the second linkage gap h2, and then drives the current dustproof door 3 to slide.
[0044] In the embodiment, the side of the dustproof door 3 opposite to the linkage rod 33 is provided with a linkage groove 36, and the first linkage surface 361 and the second linkage surface 362 are arranged on the side wall of the linkage groove 36. In this way, the thickness of the entire dustproof door 3 can be reduced, and the size of the track outer frame can also be reduced.
[0045] As a preferred embodiment, the linkage rod 33 is arranged between the first linkage surface 361 and the second linkage surface 362, that is, the size of the first linkage gap h1 is equal to the size of the second linkage gap h2. In this way, the sliding distance of the linked dustproof door can be effectively controlled, for example, the linked dustproof door can have the same sliding distance, so that the adapter can further drive the linked dustproof door to open when sliding.
[0046] In the embodiment, as shown in FIG. 2-8, the dustproof door bracket 1 is arranged on the track main body 7. Optionally, the dustproof door bracket 1 and the insulating bracket of the track main body 7 are in an integrated structure, of course, they can also be in a split structure and assembled through a connecting structure. The dustproof door bracket 1 is provided with a plurality of bracket units 10, and each dustproof door 3 is arranged in a bracket unit 10 to slide.
[0047] Specifically, as shown in FIG. 8, the bracket unit 10 is provided with a sliding surface 12 for the dustproof door 3 to slide and a limiting boss 11, two limiting bosses 11 are arranged in parallel to form a concave sliding rail, the bottom of the dustproof door 3 is provided with a sliding part 34 corresponding to the limiting boss 11 and the sliding surface 12, and the sliding part 34 is adapted to the shape of the concave sliding rail. Of course, the shape of the sliding rail is not limited to a concave structure, but can also be a convex or other structure that can limit each other.
[0048] Further, the sliding part 34 is provided with a first limiting surface 341 corresponding to the end of the driving end of the dustproof door 3, and the end of the limiting boss 11 forms a mutual limiting to limit the return stroke of the dustproof door 3. That is, when the adapter drives the dustproof door 3 to slide, the end of the limiting boss 11 limits the first limiting surface 341 to avoid excessive sliding of the dustproof door 3.
[0049] Further, the bottom surface of the sliding part 34 is also provided with a protruding second limiting part 342, and the sliding surface 12 is provided with a second limiting groove 121, and the second limiting part 342 slides in the second limiting groove 121, and the forward stroke is limited by the end of the second limiting groove 121 close to the dustproof door 3.
[0050] In this embodiment, the elastic member 2 is a columnar spring, the tail end of the dustproof door 3 is provided with a limiting convex column 31, the bracket unit 10 is provided with a limiting hole 15, and one end of the columnar spring is sleeved on the limiting convex column 31 and the other end is embedded in the limiting hole 15. Of course, the elastic member 2 can also be a torsion spring or other elastic member.
[0051] In this embodiment, the two sides of the track insertion opening 71 are provided with the dustproof door bracket 1, and a plurality of dustproof doors 3 are symmetrically arranged on the two sides of the dustproof door bracket 1, and the two sides of the dustproof door 3 jointly close the track insertion opening 71.
[0052] Of course, when the width of the track insertion opening 71 is small, the dustproof door 3 can be arranged on one side, that is, only the dustproof door bracket 1 needs to be arranged on one side, which can save material cost and assembly and processing cost. Referring to FIG. 7, only the corresponding adapter limiting structure needs to be arranged on the other side, and the adapter can drive the driving slope of the dustproof door 3, and the dustproof door 3 on one side can also realize the closure of the track insertion opening 71.
[0053] As shown in Fig. 11, the state of each dustproof door when the adapter is inserted into the track insertion port and drives the dustproof door 3-1 is shown. When the bottom of the adapter is placed on the driving slope of the dustproof door 3-1, under the action of external force, the dustproof door 3-1 moves a distance greater than the linkage gap, and is in close contact with the adjacent dustproof door 3-2, causing the adjacent dustproof door 3-2 to slide back and thus split a space for the adapter to be inserted. Due to the action of the adapter, the dustproof door 3-1 in contact with it exits the maximum gap, and the adjacent dustproof door is driven to move in the same direction by the linkage rod 33 or the linkage groove 36. When the dustproof door 3-1 is extruded to exit the maximum gap, it will drive the adjacent dustproof door 3-2 to move backward appropriately, thereby leaving space for the adapter to slide along the two sides in the track. Since the displacement of the dustproof door 3-2 is not large enough to drive the dustproof door 3-3 to move, the dustproof door 3-3 still stays in the original designed position and is in close contact with the dustproof door in the other dustproof door assembly, and the retreated dustproof doors are all located at the lower part of the adapter, which will temporarily play a dustproof role.
[0054] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when in use, and are only for the convenience of description, and do not indicate that the device or element referred to must have a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating relative importance.
[0055] The above is a further detailed description of the present application in combination with specific preferred embodiments, and cannot be considered as a limitation of the specific implementation of the present application to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, without departing from the concept of the present application, a number of simple deductions or substitutions can also be made, which should be considered as falling within the protection scope of the present application.
Claims
1. A dustproof door assembly, characterized in that: include: A plurality of dustproof doors (3), a dustproof door bracket (1), and an elastic member (2); The dustproof door bracket (1) is at least arranged on one side of the track insertion opening (71), the plurality of dustproof doors (3) are slidably arranged on the dustproof door bracket (1) via the elastic member (2), and the plurality of dustproof doors (3) are arranged along the track insertion opening (71), and the track insertion opening is closed under the drive of the elastic member (2); A driving inclined surface (35) is provided at the driving end of each dustproof door (3) corresponding to the track insertion opening (71), and a first linkage structure and a second linkage structure are provided on both sides of each dustproof door (3). One dustproof door (3) can be linked with the second linkage structure of an adjacent dustproof door (3) through the first linkage structure, and a linkage gap is provided between the first linkage structure and the second linkage structure of two adjacent dustproof doors (3) so that the sliding distance of the linked dustproof door (3) is smaller than the sliding distance of the dustproof door (3) driven by the adapter.
2. The dustproof door assembly according to claim 1, characterized in that: The first linkage structure is a linkage rod (33) arranged on one side of the dustproof door (3), and the second linkage structure is a first linkage surface (361) and a second linkage surface (362) arranged on the other side, wherein the linkage rod (33) on one dustproof door (3) is arranged within the sliding stroke range of the first linkage surface (361) of another adjacent dustproof door (3), and the second linkage surface (362) is arranged within the sliding stroke range of the linkage rod (33), and the linkage gap (360) includes a first linkage gap between the linkage rod (33) and the first linkage surface (361) and a second linkage gap between the linkage rod (33) and the second linkage surface (362).
3. The dustproof door assembly according to claim 2, characterized in that: A linkage groove (36) is provided on the side of the dustproof door (3) opposite to the linkage rod (33); the first linkage surface (361) and the second linkage surface (362) are provided on the side wall of the linkage groove (36); and the linkage rod (33) of the dustproof door (3) extends between the first linkage surface (361) and the second linkage surface (362) of the adjacent dustproof door (3).
4. The dustproof door assembly according to claim 1, characterized in that: The dustproof door bracket (1) is provided with a plurality of bracket units (10), and each dustproof door (3) is individually provided in a bracket unit (10) for sliding.
5. The dustproof door assembly according to claim 4, characterized in that: The bracket unit (10) is provided with a sliding surface (12) and a limiting boss (11) for sliding the dustproof door (3); the bottom of the dustproof door (3) is provided with a sliding portion (34) corresponding to the limiting boss (11) and the sliding surface (12).
6. The dustproof door assembly according to claim 5, characterized in that: The end of the sliding portion (34) corresponding to the driving end of the dustproof door (3) is provided with a first limiting surface (341), which forms a mutual limit with the end of the limiting boss (11) to limit the retreat stroke of the dustproof door (3); and / or, the bottom surface of the sliding portion (34) is provided with a protruding second limiting portion (342), and the sliding surface (12) is provided with a second limiting groove (121), and the second limiting portion (342) slides in the second limiting groove (121), and its forward stroke is limited by the end of the second limiting groove (121) close to the dustproof door (3).
7. The dustproof door assembly according to claim 5, characterized in that: The elastic member (2) is a columnar spring, a limiting boss (31) is provided at the tail end of the dustproof door (3), the bracket unit (10) is provided with a limiting hole (15), one end of the columnar spring is sleeved on the limiting boss (31), and the other end is embedded in the limiting hole (15).
8. The dustproof door assembly according to claim 1, characterized in that: Dustproof door brackets (1) are provided on both sides of the track insertion opening (71), and a plurality of dustproof doors (3) are symmetrically arranged on the dustproof door brackets (1) on both sides, and the dustproof doors (3) on both sides jointly close the track insertion opening (71).
9. A power rail comprising: A track body (7) and a track outer frame (4), wherein the track outer frame (4) is provided with a cavity (41), and the track body (7) is arranged in the cavity (41), characterized in that the track body (7) is also provided with a dustproof door assembly according to any one of claims 1 to 8.
10. A track socket, comprising: An adapter (9) and a power rail according to claim 9, wherein the adapter (9) is pluggably connected to the power rail.
Citation Information
Patent Citations
Dustproof door assembly, power supply track and track socket
CN118232081A
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CN210806271U
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