CN220755257U

CN220755257U - Waterproof power adapter

Info

Publication number: CN220755257U
Application number: CN202322335362.3U
Authority: CN
Inventors: 周湘
Original assignee: Zhejiang Huaguan Power Technology Co ltd
Current assignee: Zhejiang Huaguan Power Technology Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-04-09
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a waterproof power adapter. The technical key points are as follows: the novel plastic sealing device comprises an upper cover and a bottom shell, wherein a connecting part is arranged on the outer side of the upper cover and comprises an inner bottom edge and an outer bottom edge which are annularly arranged, the inner bottom edge and the outer bottom edge extend along the edge direction of the upper cover, the outer bottom edge is located on the outer side of the inner bottom edge, a first sealing groove is formed between the inner bottom edge and the outer bottom edge, a first protruding edge is arranged on the edge of the bottom shell and is located in the first sealing groove, a second sealing groove is formed in the outer side of the first protruding edge, the outer bottom edge is located in the second sealing groove, an outer edge is arranged outside the sealing groove, a glue filling groove is formed between the outer edge and the outer bottom edge, and sealing glue is arranged in the glue filling groove.

Description

Waterproof power adapter

Technical Field

The utility model relates to the field of power adapter shells, in particular to a waterproof power adapter.

Background

The Power adapter (Power adapter) is a Power supply conversion device for small portable electronic equipment and electronic appliances, and generally consists of components such as a shell, a transformer, an inductor, a capacitor, a control IC, a PCB (printed circuit board) and the like, and the working principle of the Power adapter is that an alternating current input is converted into a direct current output; the connection mode can be divided into a wall-inserted type and a desktop type. The device is widely matched with security cameras, set top boxes, routers, lamp bars, massage devices and the like.

The power adapter is easy to place on the ground in the use process, and is easy to damage when water is poured on the ground carelessly, and a sealing ring is arranged on a small part of the existing power adapters, but the sealing effect of the sealing ring is limited; and the sealing mode of internal glue filling is adopted, so that the glue filling amount is large, the production efficiency is low, and the manufacturing cost is high.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the waterproof power adapter which has the advantages of good sealing effect, high production efficiency and low manufacturing cost.

In order to achieve the above purpose, the present utility model provides the following technical solutions: waterproof power adapter, including: the upper cover and drain pan, the outside of upper cover is equipped with connecting portion, connecting portion is followed including the inner bottom that the annular set up, outer bottom is followed, inner bottom is followed, outer bottom is followed the direction along the upper cover edge and is extended, and outer bottom is followed the outside that is located the inner bottom edge, be equipped with first seal groove between inner bottom edge and the outer bottom edge, the border of drain pan is equipped with first protruding edge, first protruding edge is located first seal groove, the outside of first protruding edge is equipped with the second seal groove, outer bottom edge is located the second seal groove, the border of drain pan is equipped with outer edge outside the seal groove, be equipped with the encapsulating groove between outer edge and the outer bottom edge, be equipped with the sealant in the encapsulating groove.

As a further improvement of the utility model, the upper side of the upper cover is in the same plane with the upper side of the outer edge.

As a further improvement of the utility model, a connecting seat is arranged on the outer side of the bottom shell, a connecting groove is arranged in the connecting seat, the connecting groove extends inwards and is communicated with the glue filling groove, a side cover is arranged on the connecting groove, a notch is arranged on the side cover, a first wiring groove is arranged on the edge of the bottom shell, the first wiring groove is communicated with the inner space of the bottom shell and the connecting groove, a wiring seat is arranged on the inner bottom edge, the outer bottom edge and the first sealing groove of the upper cover, a second wiring groove is arranged on the wiring seat, and the second wiring groove corresponds to the first wiring groove in position.

As a further improvement of the utility model, an inner stop block is arranged in the connecting groove, and a reinforcing block is arranged at the opening of the connecting groove.

As a further improvement of the utility model, a reinforcing rib is arranged between the inner stop block and the edge of the bottom shell.

As a further improvement of the utility model, the side cover is provided with a first lug and a second lug, and a locking gap is arranged between the first lug and the second lug.

The utility model has the beneficial effects of good sealing effect, high production efficiency and low manufacturing cost.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic perspective view of a bottom chassis;

FIG. 3 is a schematic view of a partial structure of the upper cover;

FIG. 4 is a schematic cross-sectional view of the upper cover and bottom case without ultrasonic welding;

fig. 5 is a schematic perspective view of the side cover when inverted.

Marking: 1. an upper cover; 11. a connection part; 111. an inner bottom edge; 112. an outsole edge; 113. a first seal groove; 2. a bottom case; 21. a first flange; 22. a second seal groove; 23. an outer edge; 24. a glue filling groove; 25. sealing glue; 3. a connecting seat; 31. a connecting groove; 311. an inner stopper; 312. a reinforcing block; 313. reinforcing ribs; 32. a side cover; 320. a notch; 321. a first bump; 322. a second bump; 323. locking the gap; 41. a first wiring groove; 42. a wire holder; 421. and a second wiring groove.

Detailed Description

The utility model will be further described in detail with reference to examples of embodiments shown in the drawings.

Referring to fig. 1 to 5, the waterproof power adapter of the present embodiment includes: the upper cover 1 and drain pan 2, the outside of upper cover 1 is equipped with connecting portion 11, connecting portion 11 is including the interior bottom edge 111, the outer bottom edge 112 that the annular set up, interior bottom edge 111, outer bottom edge 112 all extend along the direction at upper cover 1 edge, and outer bottom edge 112 is located the outside of interior bottom edge 111, be equipped with first seal groove 113 between interior bottom edge 111 and the outer bottom edge 112, the border of drain pan 2 is equipped with first protruding edge 21, first protruding edge 21 is located first seal groove 113, the outside of first protruding edge 21 is equipped with second seal groove 22, outer bottom edge 112 is located second seal groove 22, the border of drain pan 2 is equipped with outer edge 23 outside the seal groove, be equipped with glue-pouring groove 24 between outer edge 23 and the outer bottom edge 112, be equipped with sealant 25 in the glue-pouring groove 24.

Through the above technical scheme, the edge of the upper cover 1 is formed into a first sealing groove 113 by the inner bottom edge 111 and the outer bottom edge 112, the edge of the bottom shell 2 is provided with a second sealing groove 22, after the upper cover 1 and the bottom shell 2 are assembled, the first convex edge 21 is fixedly connected with the bottom of the first sealing groove 113 through ultrasonic welding, and the outer bottom edge 112 is fixedly connected with the bottom of the second sealing groove 22. Then, the sealant 25 is injected into the sealant injecting groove 24 for sealing, the waterproof lines formed by the first sealing groove 113 and the second sealing groove 22 are arranged in a crossing mode, the waterproof effect is good, and the waterproof effect is further improved when the sealant 25 is injected into the sealant injecting groove 24. And the glue filling amount is small, the production cost is reduced, the glue filling time is shortened, and the production efficiency is improved.

Specifically, the upper cover 1 and the bottom shell 2 are formed by injection molding in a uniform manner, and when the upper cover is not connected, the upper side surface of the first convex edge 21 is provided with an ultrasonic line, and the upper side surface of the outer bottom edge 112 is provided with an ultrasonic line, so that ultrasonic welding processing is facilitated, and the production efficiency is improved.

As a modified embodiment, the upper side surface of the upper cover 1 is in the same plane with the upper side surface of the outer edge 23.

Through the technical scheme, the upper side face of the upper cover 1 and the upper side face of the outer edge 23 are located on the same plane, so that the bottom face of the power adapter after glue injection is smooth, the appearance is attractive, and all positions can be sealed and waterproof well.

As a specific implementation manner of improvement, the outside of drain pan 2 is equipped with connecting seat 3, be equipped with spread groove 31 in the connecting seat 3, spread groove 31 inwards extends, communicates with encapsulating groove 24, be equipped with side cap 32 on the spread groove 31, be equipped with breach 320 on the side cap 32, the border of drain pan 2 is equipped with first wiring groove 41, first wiring groove 41 intercommunication drain pan 2 inner space and spread groove 31, upper cover 1 is equipped with wire holder 42 on inner bottom edge 111, outer bottom edge 112, first seal groove 113, be equipped with second wiring groove 421 on the wire holder 42, second wiring groove 421 corresponds with first wiring groove 41 position.

Through the above technical scheme, the connecting seat 3 is used for connecting the tail and the power line, before ultrasonic welding, the tail and the power line are inserted into the connecting groove 31, then the power line is placed in the first wiring groove 41, then the side cover 32 is installed, the notch 320 of the side cover 32 corresponds to the power line and compresses the power line, then the upper cover 1 is covered, the power line is located in the second wiring groove 421 and the first wiring groove 41 (the second wiring groove 421 and the first wiring groove 41 are arc-shaped and are tightly attached to the power line, the sealant 25 is prevented from entering the inside of the power adapter during the sealant filling), and then the ultrasonic welding and the sealant filling can be completed.

Specifically, the upper side surface of the side cover 32 is in the same plane as the upper side surface of the upper cover 1, so that the upper side of the power adapter is flat.

As a modified embodiment, the connecting slot 31 is provided with an inner stop block 311, and the opening of the connecting slot 31 is provided with a reinforcing block 312.

Through above-mentioned technical scheme, interior dog 311 cooperates with reinforcing block 312, can be better fixed keep off the tail, and then improves the joint strength between keeping off tail and the power adapter, and then improves the stability in the use, avoids leaking.

As a modified embodiment, a reinforcing rib 313 is arranged between the inner stop block 311 and the edge of the bottom shell 2.

Through above-mentioned technical scheme, the strengthening rib 313 improves the joint strength between connecting seat 3 and the drain pan 2, improves the stability in the use, avoids leaking.

As a modified embodiment, the side cover 32 is provided with a first protrusion 321 and a second protrusion 322, and a locking gap 323 is provided between the first protrusion 321 and the second protrusion 322.

Specifically, the position of the first bump 321 corresponds to the position of the reinforcing block 312, the position of the second bump 322 corresponds to the position of the inner stop block 311, and the second bump 322 continues to extend inwards to form a boss, so that the structural strength is improved; the first lug 321, the second lug 322 and the locking gap 323 are matched with the inner stop block 311 and the reinforcing block 312, so that the gear can be locked better, the structural strength of the gear tail is further improved, the stability in the using process is further improved, and water leakage is avoided.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. Waterproof power adapter, including: upper cover (1) and drain pan (2), its characterized in that: the utility model provides a sealing device for the plastic-rubber composite material, including upper cover (1), the outside of upper cover (1) is equipped with connecting portion (11), connecting portion (11) are including interior bottom edge (111), outer bottom edge (112) that annular set up, interior bottom edge (111), outer bottom edge (112) all extend along the direction at upper cover (1) edge, and outer bottom edge (112) are located the outside of interior bottom edge (111), be equipped with first seal groove (113) between interior bottom edge (111) and outer bottom edge (112), the border of drain pan (2) is equipped with first protruding edge (21), first protruding edge (21) are located first seal groove (113), the outside of first protruding edge (21) is equipped with second seal groove (22), outer bottom edge (112) are located second seal groove (22), the border of drain pan (2) is equipped with outer edge (23) outside the seal groove, be equipped with between outer edge (23) and outer bottom edge (112), be equipped with sealant (25) in the sealant groove (24).

2. The waterproof power adapter of claim 1, wherein: the upper side surface of the upper cover (1) and the upper side surface of the outer edge (23) are positioned on the same plane.

3. The waterproof power adapter of claim 1, wherein: the outside of drain pan (2) is equipped with connecting seat (3), be equipped with spread groove (31) in connecting seat (3), spread groove (31) inwards extends, with encapsulating groove (24) intercommunication, be equipped with side cap (32) on spread groove (31), be equipped with breach (320) on side cap (32), the border of drain pan (2) is equipped with first wiring groove (41), first wiring groove (41) intercommunication drain pan (2) inner space and spread groove (31), upper cover (1) are equipped with wiring seat (42) on interior bottom edge (111), outer bottom edge (112), first seal groove (113), be equipped with second wiring groove (421) on wiring seat (42), second wiring groove (421) correspond with first wiring groove (41) position.

4. A waterproof power adapter according to claim 3, characterized in that: an inner stop block (311) is arranged in the connecting groove (31), and a reinforcing block (312) is arranged at the opening of the connecting groove (31).

5. The waterproof power adapter of claim 4, wherein: a reinforcing rib (313) is arranged between the inner stop block (311) and the edge of the bottom shell (2).

6. A waterproof power adapter according to claim 3, characterized in that: the side cover (32) is provided with a first lug (321) and a second lug (322), and a locking gap (323) is formed between the first lug (321) and the second lug (322).