Compression type waterproof structure for power supply wiring position

Abstract

The utility model discloses a compaction type waterproof structure used for a power supply wiring position, comprising a power supply main body, an external housing of the power supply main body is provided with a wire inlet hole used for penetration of a connector lug, the inner side of the wire inlet hole is correspondingly provided with a side fence whose head is provided with a baffle plate, and the edge of one side fence is provided with a chute. Limiting blocks which are used for being screwed into the wire inlet hole through the inclined grooves and are limited through baffles are arranged on the two sides of a guide column on the head portion of the connector lug, a sealing ring clamped through pressing rings on the two sides is arranged on the tail portion of the guide column, the connector lug is screwed into the guide column through cooperation of the limiting blocks and the inclined grooves, the sealing ring is pressed tightly, and one side of the sealing ring is tightly attached to the inner side of the wire inlet hole. Waterproof sealing of the wiring part of the power supply body is realized. The sealing structure solves the problems that in the prior art, a sealing structure used at the wiring position of a power supply (adapter) is complex in assembling and manufacturing process and poor in sealing performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to power supply packaging structure field, especially a kind of compression type waterproof structure for power supply wiring place. BACKGROUND

[0002] Power supply (adapter) is a kind of electronic product indispensable for part electronic equipment, with the functions of stabilizing voltage, voltage regulation, etc., so that electronic equipment works in good condition.

[0003] For the power supply adapter with waterproof requirement, in addition to the shell joint part needs to be waterproof, waterproof treatment can be carried out at the inlet position. At present, the inclined block or plug block of joint part is twisted into the compression of sealing ring in shell to realize sealing, but the sealing ring is placed in shell, which needs complex process, and after assembly, the sealing ring is unevenly stressed by relying on the compression of the inclined block or plug block, and the sealing performance will be further reduced after long-term use (aging).

[0004] Therefore, the technical scheme provides a direct compression type sealing (waterproof) structure at wiring place, the sealing ring and joint part are made into one, the rotating type clamping block is formed outside the joint, and the inclined slot is formed in shell, after the joint is rotated, the compression is realized by limiting piece on both sides, which not only simplifies the processing of joint and shell sealing part, but also strengthens the sealing performance, and has long service life. SUMMARY

[0005] The technical scheme of the utility model aims to solve one of the technical problems in the related art at least to some extent. Therefore, the main purpose of the utility model is to provide a compression type waterproof structure for power supply wiring place, which aims to solve the problems of complex assembly and manufacturing process of sealing structure at wiring place of power supply (adapter) in the prior art and poor sealing performance.

[0006] To achieve the above-mentioned purpose, the utility model provides a compression type waterproof structure for power supply wiring place, which comprises a power supply body, an inlet hole for wire entry is formed in the outer shell of the power supply body, a side wall baffle with a baffle on the head of the wire head is arranged on the inner side of the inlet hole, and an inclined slot is arranged on the edge of one of the side wall baffles,

[0007] Limiting blocks for rotating into the inlet hole through the inclined slot and being limited by the baffle are arranged on both sides of the head guide column of the wire head, and a sealing ring is clamped by the sealing ring on both sides of the tail of the guide column,

[0008] The wire head is rotated into the sealing ring through the cooperation of the limiting block and the inclined slot, the sealing ring is compressed, one side of the sealing ring is tightly attached to the inner side of the inlet hole, and the waterproof sealing of the wiring part of the power supply body is realized.

[0009] As a further scheme of the utility model, the side wall and the baffle are an integral cutting forming structure.

[0010] As a further scheme of the utility model, the external shell is provided with the wire inlet hole and the wire joint on both sides.

[0011] As a further scheme of the utility model, the limiting block and the guide column are integral extrusion forming plastic parts.

[0012] As a further scheme of the utility model, the guide column is provided with a wire hole in the middle for wire passing.

[0013] The utility model has the advantages as follows:

[0014] The utility model discloses a compression type waterproof structure for power supply wiring, which is characterized by the compression type sealing structure, which does not change the power supply shell structure, is easy to process and assemble, and is sealed by the sealing ring being pressed by the two compression rings and being close to the wire hole edge when the wire joint is screwed to one side and cannot be twisted. DRAWINGS

[0015] In order to more clearly illustrate the utility model technical scheme embodiment or the utility model technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model technical scheme, and for those skilled in the art, other drawings can be obtained according to the structure shown in the drawings without creative labor.

[0016] Figure 1 It is the power supply main body overall structure schematic view in the utility model.

[0017] Figure 2 It is the wire inlet hole and wire joint access schematic view in the utility model.

[0018] Figure 3 It is the wire inlet hole and wire joint local structure enlarged schematic view in the utility model.

[0019] Figure 4 It is the wire joint access enlarged schematic view in the utility model.

[0020] Reference Name Reference Name 1 Power supply body 3 Terminal head 10 External shell 30 Guide column 2 Wire inlet hole 31 Limiting block 20 Inclined slot 32 Sealing ring 21 Side wall 33 Pressing ring 22 Baffle PREFERRED EMBODIMENT

[0021] As follows:

[0022] Please refer to the attached Figures 1-4 ,

[0023] The main structure comprises a power supply main body 1, an external shell 10 of the power supply main body 1 is provided with a wire inlet hole 2 for the wire head 3 to pass in, the inner side of the wire inlet hole 2 is correspondingly provided with a side wall baffle 21 with a baffle 22 at the head, and the edge of one of the side wall baffles 21 is provided with an inclined groove 20; the both sides of a head guide column 30 of the wire head 3 are provided with limiting blocks 31 for being screwed into the wire inlet hole 2 through the inclined groove 20 and being limited by the baffle 22; the tail of the guide column 30 is provided with a sealing ring 32 clamped by two side pressing rings 33; the wire head 3 is screwed in through the cooperation of the limiting block 31 and the inclined groove 20, the sealing ring 32 is pressed tightly, and one side of the sealing ring 32 is tightly attached to the inner side of the wire inlet hole 2, so that the waterproof sealing of the wire connection part of the power supply main body 1 is realized.

[0024] The working principle is as follows:

[0025] The sealing structure of the present application is different from the sealing structure of the inclined block or the plug block, and the sealing (waterproof) structure of the wire connection part is directly pressed when the wire head 3 is rotated to the tightening side; the limiting blocks 31 on the both sides of the guide column 30 are slid along the inclined groove 20 to tighten the wire head 3; at this time, the sealing ring 32 on one side (the root) of the guide column 30 continuously approaches the edge of the wire inlet hole 2 (the wire inlet hole 2 can also be provided in a protruding shape, and the two inner sides are left empty for placing the sealing ring 32); when the wire head 3 is continuously screwed, the limiting blocks 31 are limited by the baffle 22 and stopped; at this time, the wire head 3 is assembled. Since the sealing ring 32 is directly pressed, one side of the sealing ring 32 is in complete contact with the plane, the sealing performance is enhanced, and the assembly method is simple.

[0026] In a preferred embodiment of the present application, the side wall baffles 21 and the baffles 22 are integrally cut and formed.

[0027] The integrally cut or punched forming method is easy to realize, which ensures the structural strength and simplifies the manufacturing process.

[0028] In a preferred embodiment of the present application, the external shell 10 is provided with the wire inlet hole 2 and the wire head 3 on both sides.

[0029] The sealing structure is adopted at the output end and the input end, so that the power supply main body 1 has high waterproof performance.

[0030] In a preferred embodiment of the present application, a wire hole is formed in the middle of the guide column 30 for the wire to pass through.

[0031] The guide column 30 is used as the guide column 30 and the carrier of the wire, and a wire groove is formed in the guide column 30, so that the wire is passed in from one side of the wire head 3.

[0032] The above are only preferred embodiments of the utility model technical scheme, and do not limit the patent range of the utility model technical scheme, and equivalent structural transformation made by using the utility model technical scheme specification and the contents of the drawings, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model technical scheme.

Claims

1. A compression type waterproof structure for a power connection, characterized by, The utility model relates to a waterproof sealing structure of power supply main body The utility model discloses a waterproof sealing structure of power supply main body, including The external shell of power supply main body is equipped with the wire hole that enters for the wiring head to pass in, and the inner side of wire hole is equipped with the side wall of head part with baffle correspondingly, The head of wiring head is equipped with the limiting block for rotating into the wire hole through the inclined groove and limiting through the baffle in both sides position of guide column, 2. The compression-type waterproof structure for a power connection according to claim 1, characterized by, The wiring head is rotated into through the cooperation of limiting block and inclined groove, and the sealing ring is pressed tightly, and one side of sealing ring is tightly attached to the inner side of wire hole, realizes the waterproof sealing of power supply main body wiring part.

3. The compression-type waterproof structure for a power connection according to claim 1, characterized by, The side wall and baffle are integral cutting forming structure.

4. The compression-type waterproof structure for a power connection according to claim 1, characterized by The external shell both sides are equipped with wire hole and wiring head.

5. The compression-type waterproof structure for a power connection according to claim 1, characterized by The limiting block and guide column are integral extrusion forming plastic part structure. The middle part of guide column is equipped with the wire hole for wire to pass through.

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