Dustproof cover structure for Japan anti-pull-stop type three-phase socket
By designing a dust cover structure on the Japanese anti-pull-out three-phase socket, and using a dust cover connected by a torsion spring, the dust problem of the socket is solved, ensuring that the rotation operation of the plug is not affected, and achieving an effective dust prevention effect.
Patent Information
- Application Number
- CN202423190363.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing Japanese pull-out type three-phase sockets lack an effective dustproof structure, allowing dust and foreign objects to easily enter the sockets and affecting their use.
A dust cover structure was designed, including N-pole, L-pole, and ground-pole dust covers, which are connected to the socket by a torsion spring. The dust cover does not affect the operation of the plug when the plug is rotated, and automatically blocks the socket when the plug is inserted. The outer edge is adapted to the rotation path of the plug to prevent dust from entering.
It effectively prevents dust and foreign objects from entering the socket, ensuring that the rotation of the plug is not affected, and achieves an effective dustproof effect on the socket.
Smart Images

Figure CN223599113U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to three -phase socket dustproof technical field especially relates to a dust cover structure for Japan prevents the three -phase socket of type. BACKGROUND
[0002] Japan industry prevents the type socket of type, when three -phase plug is inserted on the socket, need to lock the plug after rotating about 15 DEG after insertion, at this time the plug cannot be pulled out, if want to pull out need to re-rotate 15 DEG and can be unlocked and pull out the plug. Because this socket is used in industrial environment, this environment needs to carry out dustproof protection to the socket due to more dust, avoid dust into the socket and influence subsequent use.
[0003] But because the structural features of this type of plug -in socket determines, currently no suitable dustproof structure that prevents dust and foreign matter from entering, therefore, design a dust cover structure specially used for this type of plug -in socket. CONTENT OF THE UTILITY MODEL
[0004] In view of the above technical problem, the utility model provides a dust cover structure for Japan prevents the three -phase socket of type, is specially used in this type of plug -in socket, makes the plug not affect the plug rotation when rotating in the socket, and at the same time satisfies effectively prevents dust and foreign matter from entering.
[0005] To realize the above -mentioned purpose, the technical scheme of the utility model is as follows:
[0006] A dust cover structure for Japan prevents the three -phase socket of type, characterized by including blade cover, N -pole dust cover, L -pole dust cover, ground pole dust cover, torsion spring, N -pole and L -pole dust retention part and ground pole dust retention part, the blade cover below is connected N -pole and L -pole dust retention part and ground pole dust retention part, N -pole and L -pole dust retention part on installation N -pole dust cover and L -pole dust cover, N -pole and L -pole dust retention part and N -pole dust cover and L -pole dust cover are connected between being provided with torsion spring, the ground pole dust cover is installed on the ground pole dust retention part, the ground pole dust cover is provided with torsion spring at the connection place on the ground pole dust retention part,
[0007] Further, the blade cover is provided with three -phase socket, the N -pole dust cover, L -pole dust cover and ground pole dust cover are all located below the corresponding hole in three -phase socket and shield three -phase socket, avoid dust or foreign matter from outside into the socket.
[0008] Further, the connecting column of both ends of N -pole dust cover and L -pole dust cover is inserted in the connecting groove of N -pole and L -pole dust retention part.
[0009] Further, mounting columns arranged at both ends of the ground pole dust cover are inserted into mounting slots arranged on the ground pole dust cover retaining part.
[0010] Further, the outer edge part of the N pole dust cover, the L pole dust cover and the ground pole dust cover is arranged to be adapted to the path of the plug blade when rotated by 15°, so as not to affect the operation of inserting the plug into the socket and rotating.
[0011] The utility model discloses the beneficial effect of:
[0012] The utility model discloses a corresponding dust cover is arranged below the corresponding hole of the three -phase jack of blade cover, to shield three -phase jack, avoid the dust or foreign matter of outside to enter the socket, and the dust cover of three groups is rotatably connected on the corresponding retaining part, and the torsional spring is arranged at the connecting place of dust cover box retaining part, makes dust cover under the condition of not being pressed below three -phase jack through torsional spring, when the blade of plug is inserted into three -phase jack, presses down dust cover and makes it rotate and makes the blade enter, and the outer edge part of N pole dust cover, L pole dust cover and ground pole dust cover is arranged to be adapted to the path of the blade of plug when rotating 15°, so as not to affect the operation of inserting the plug into the socket and rotating. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is front side schematic drawing of the whole structure of the dust cover structure for Japanese anti-pulling type three -phase socket of the utility model;
[0014] Figure 2 It is back side schematic drawing of the whole structure of the dust cover structure for Japanese anti-pulling type three -phase socket of the utility model;
[0015] Figure 3 It is back side schematic drawing of the whole structure of the dust cover structure for Japanese anti-pulling type three -phase socket of the utility model;
[0016] Figure 4 It is the exploded view schematic drawing of the dust cover structure for Japanese anti-pulling type three -phase socket of the utility model;
[0017] Figure 5 It is the L pole dust cover structure schematic drawing of the dust cover structure for Japanese anti-pulling type three -phase socket of the utility model;
[0018] Figure 6 It is the N pole and L pole dust cover retaining part structure schematic drawing of the dust cover structure for Japanese anti-pulling type three -phase socket of the utility model;
[0019] Figure 7 It is the ground pole dust cover structure schematic drawing of the dust cover structure for Japanese anti-pulling type three -phase socket of the utility model;
[0020] Figure 8 Figure 1 is a structure diagram of the ground pole dustproof retaining part of the dustproof cover structure of the Japanese dustproof type three-phase socket of the utility model;
[0021] Figure 9 Figure 1 is a structure diagram of the ground pole dustproof retaining part of the dustproof cover structure of the Japanese dustproof type three-phase socket of the utility model;
[0022] As shown in Figure: 1. blade cover, 11. three-phase jack, 3. N pole dustproof cover, 4. L pole dustproof cover, 41. connecting column, 42. horizontal column, 5. ground pole dustproof cover, 51. mounting column, 6. N pole and L pole dustproof retaining part, 61. connecting groove, 7. ground pole dustproof retaining part, 71. mounting groove, 8. torsion spring, 81. coil part, 82. upper end part, 83. lower end part. DETAILED DESCRIPTION
[0023] The technical scheme of the utility model will be described below in conjunction with the drawings. Obviously, the described embodiments are some 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 protection of the utility model.
[0024] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.
[0025] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.
[0026] Embodiment 1
[0027] As shown in the figure, the N-pole and L-pole dustproof retaining parts 6 and the ground pole dustproof retaining part 7 are connected below the blade cover 1. An N-pole dustproof cover 3 and an L-pole dustproof cover 4 are installed on the N-pole and L-pole dustproof retaining parts 6. The N-pole dustproof cover 3 and the L-pole dustproof cover 4 have the same structure. Figure 5 As shown, both ends of the N-pole dust cover 3 and the L-pole dust cover 4 are provided with connecting posts 41, and a horizontal post 42 is provided below them.
[0028] Installation is achieved by inserting the connecting posts 41 at both ends of the N-pole dust cover 3 and the L-pole dust cover 4 into the connecting grooves 61 provided in the N-pole and L-pole dust holding parts 6, and by installing the ground electrode dust cover 5 on the ground electrode dust holding part 7. Similarly, the ground electrode dust cover 5 is installed by inserting the mounting posts 51 at both ends of the ground electrode dust cover 5 into the mounting grooves 71 provided in the ground electrode dust holding part 7, thereby achieving the rotatable installation of the three dust covers.
[0029] Furthermore, a torsion spring 8 is provided between the N-pole and L-pole dustproof retaining part 6 and the N-pole dustproof cover 3 and L-pole dustproof cover 4. When installing the torsion spring 8, its coil part is sleeved on the crossbar of the N-pole dustproof cover 3 and L-pole dustproof cover 4. The upper end of the torsion spring 8 abuts against the N-pole dustproof cover 3 and L-pole dustproof cover 4, and its lower end abuts against the inner wall of the N-pole and L-pole dustproof retaining part 6. The torsion spring 8 is also installed at the connection between the ground pole dustproof retaining part 7 and the ground pole dustproof cover 5.
[0030] Furthermore, the blade cover 1 is provided with a three-phase socket 11. The N-pole dust cover 3, L-pole dust cover 4 and ground-pole dust cover 5 are all located below the corresponding holes in the three-phase socket, covering the holes of the three-phase socket 11 to prevent external dust or foreign objects from entering the socket. The outer edges of the N-pole dust cover 3, L-pole dust cover 4 and ground-pole dust cover 5 are designed to match the path of the plug blade when it rotates 15°, so as not to affect the operation of the plug being inserted into the socket and rotated.
[0031] Example 2
[0032] The dust cover structure of this utility model is installed on an anti-pull-out type socket, wherein the three-phase socket 11 on the blade cover 1 is for the insertion of the corresponding plug blade.
[0033] Each corresponding hole in the three-phase socket 11 of this application is provided with a corresponding dust cover. The N-pole dust cover 3, L-pole dust cover 4, and ground-pole dust cover 5 are all rotatably mounted on the dustproof retaining part, and a torsion spring 8 is provided at the connection point. When the socket is not plugged in, the upper end of the torsion spring 8 abuts against the dust cover, so that the dust cover can block the hole of the three-phase socket 11 and prevent external dust or foreign objects from entering the socket.
[0034] When the blades of the plug are inserted into the three-phase socket 11, the dustproof covers are pressed against the three blades of the three-phase plug respectively, the dustproof covers rotate to open the hole positions, the blades enter, and the outer edge of the N-pole dustproof cover 3, the L-pole dustproof cover 4 and the ground pole dustproof cover 5 is set to be matched with the path of the blades of the plug when rotating 15°, so as not to affect the operation of rotating the plug into the socket; when the plug is inserted, the torsion spring 8 is in extrusion deformation and stores energy, when the plug is pulled out and is not subjected to external force, the deformed torsion spring 8 quickly restores to the original shape and releases the stored energy, so that the dustproof covers quickly cover the hole positions to prevent dust.
[0035] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The various components mentioned in the utility model are common techniques in the prior art, which should be understood by those skilled in the art, and the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A dust cover structure for a Japanese non-pull-out type three-phase socket, characterized by The blade cover is connected with the N-pole and L-pole dustproof retaining parts and the ground pole dustproof retaining part below, the N-pole and L-pole dustproof retaining parts are provided with the N-pole dustproof cover and the L-pole dustproof cover, the torsion spring is arranged between the N-pole and L-pole dustproof retaining parts and the N-pole dustproof cover and the L-pole dustproof cover, the ground pole dustproof retaining part is provided with the ground pole dustproof cover, and the torsion spring is arranged on the ground pole dustproof retaining part and connected with the ground pole dustproof cover.
2. A dust cover structure for a Japanese non-pull-out type three-phase socket according to claim 1, characterized in that The three-phase socket is arranged on the blade cover, and the N-pole dustproof cover, the L-pole dustproof cover and the ground pole dustproof cover are arranged below the corresponding holes of the three-phase socket.
3. A dust cover structure for a Japanese non-pull-out type three-phase socket according to claim 1, characterized in that The connecting columns arranged at the two ends of the N-pole dustproof cover and the L-pole dustproof cover are inserted into the connecting grooves arranged on the N-pole and L-pole dustproof retaining parts.
4. A dust cover structure for a Japanese non-pull-out type three-phase socket according to claim 1, characterized in that The mounting columns arranged at the two ends of the ground pole dustproof cover are inserted into the mounting grooves arranged on the ground pole dustproof retaining part.
5. A dust cover structure for a Japanese non-pull-out type three-phase socket according to claim 1, characterized in that The outer edge portions of the N-pole dustproof cover, the L-pole dustproof cover and the ground pole dustproof cover are arranged to be matched with the path of the plug blade when the plug blade is rotated by 15°.