CN217589631U

CN217589631U - Waterproof coupler

Info

Publication number: CN217589631U
Application number: CN202221292204.3U
Authority: CN
Inventors: 赵海杰; 林曾龙; 洪启飞
Original assignee: Zhejiang Dawei Electronic Co Ltd
Current assignee: Zhejiang Dawei Electronic Co Ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-10-14
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a waterproof coupler, including first coupling mechanism, second coupling mechanism, first coupling mechanism is including the slot, wear to establish a plurality of electric conduction posts of arranging in the slot, second coupling mechanism is including the plug of pegging graft with the slot fit, correspond contact and a plurality of elastic expansion post of electrically conductive complex with a plurality of electric conduction posts, and the plug inboard has the cavity, and the front end of a plurality of elastic expansion posts is worn to establish in this cavity, and the front end of plug is provided with flexible waterproof bed course, sets up on the waterproof bed course to lead the electric conduction post to correspond with a plurality of and wears to establish the complex seam and construct, is provided with joint mechanism between the lateral wall of slot and the lateral part of plug. The utility model discloses simple structure can improve grafting location and electrically conductive connection effect between first coupling mechanism and the second connection structure, still possesses certain waterproof ability simultaneously.

Description

Waterproof coupler

Technical Field

The utility model relates to a waterproof coupler.

Background

Couplers are devices commonly used in household appliances for making electrical connections. The conventional coupler generally comprises a first connecting mechanism and a second connecting mechanism which are mutually matched and inserted, wherein the first connecting mechanism comprises an insertion slot, a conductive column is arranged in the insertion slot, the second connecting mechanism comprises a plug which is matched and inserted with the insertion slot, and a connecting seat which is matched, clamped and positioned with the conductive column and is simultaneously contacted and electrically connected with the conductive column is arranged on the inner side of the plug. The first connection mechanism and the second connection mechanism are inserted and connected mainly by means of the plug and the slot, and friction force between the conductive column and the connection seat to position, poor contact is easy to occur during use, even the connection failure and other problems are caused by falling off, and the connection reliability is to be improved. In addition, the waterproof performance of conventional couplers of this type is to be improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a waterproof coupler, simple structure connects reliably to be difficult for the pine to take off to have better waterproof performance.

In order to realize the above object, the utility model provides a waterproof coupler, including first coupling mechanism, second coupling mechanism, first coupling mechanism is including the slot, wear to establish a plurality of electric conduction poles of arranging in the slot, second coupling mechanism is including the plug of pegging graft with the slot cooperation, correspond contact and a plurality of elastic expansion post of electrically conductive complex with a plurality of electric conduction posts, and the plug inboard has the cavity, and the front end of a plurality of elastic expansion posts is worn to establish in this cavity, and the front end of plug is provided with flexible waterproof bed course, sets up on the waterproof bed course to correspond with a plurality of electric conduction posts and wears to establish the complex seam mouth, is provided with joint mechanism between the lateral wall of slot and the lateral part of plug.

Furthermore, a convex wall is arranged on the inner wall of the bottom of the chamber corresponding to the elastic telescopic column, and the convex wall is used for separating the front ends of the adjacent elastic telescopic columns.

Furthermore, a plurality of water drainage holes communicated with the cavity are formed in the side portion of the plug.

Furthermore, the clamping mechanism comprises a clamp spring arranged on the side wall of the slot and a clamping groove arranged on the side part of the plug, and the clamp spring and the clamping groove are matched, clamped and positioned.

Furthermore, the clamp spring at least comprises a round rod-shaped matching section, the side wall of the slot is provided with a long slot for accommodating the matching section, and the matching section is arranged at the notch of the long slot.

Furthermore, the clamp spring is of a U-shaped structure and comprises an arc-shaped connecting section and two matching sections, one ends of the two matching sections are connected with two ends of the connecting section, the first connecting mechanism comprises a connecting seat located on one side of the slot, the connecting seat is used for being clamped and positioned with the connecting section in a matching mode, two ends of the long slot are provided with communicating ports communicated to the outer side of the slot, and the communicating ports are matched with the matching sections to be penetrated and positioned.

Further, the conductive columns are integrally formed in the slots in an injection molding mode.

Further, second coupling mechanism is including the base, the plug cup joints the front end of fixing at the base, the flexible post setting is at the front end of base, and the cooperation department of cup jointing of plug and base is provided with waterproof circle.

The utility model has the advantages that: when plug and slot are pegged graft, utilize the flexible effect of elasticity of the flexible post, elastic pressing contact is on leading electrical pillar, fixes a position the grafting cooperation between plug and the slot through the clamping mechanism, can improve the electrically conductive contact effect between first coupling mechanism and the second coupling mechanism, is difficult to break away from easily. In addition, the front end of the conductive column penetrates through the slot of the waterproof cushion layer and is in contact conductive fit with the elastic telescopic column in the cavity of the plug, and the waterproof plug is isolated from the outside relatively and has a better waterproof effect.

Drawings

Fig. 1 is an exploded view 1 of an embodiment of the present invention;

fig. 2 is an exploded view 2 of an embodiment of the present invention;

fig. 3 is a cross-sectional view 1 of a first coupling mechanism according to an embodiment of the present invention;

fig. 4 is a cross-sectional view 2 of a first coupling mechanism in accordance with an embodiment of the present invention;

fig. 5 is an exploded view of a second connection mechanism according to an embodiment of the present invention.

Detailed Description

The embodiment of the waterproof coupler of the utility model is shown in figures 1-5: the waterproof structure of the waterproof structure comprises a first connecting mechanism 1 and a second connecting mechanism 2, wherein the first connecting mechanism 1 comprises a slot 11 and a plurality of conductive columns 12 which are arranged in the slot 11 in a penetrating manner, the slot 11 is arranged on a panel 13, the second connecting mechanism 2 comprises a plug 21 which is inserted into the slot 11 in a matching manner, and a plurality of elastic telescopic columns 22 which are correspondingly contacted with and matched with the plurality of conductive columns 12, the elastic telescopic columns 22 have the capability of stretching along the elastic direction, the elastic telescopic columns are used for being contacted with and matched with the conductive columns 12 to conduct electricity, the telescopic structure of the elastic telescopic columns belongs to the known means and is not repeated, a cavity is arranged on the inner side of the plug 21, the front ends of the plurality of elastic telescopic columns 22 are arranged in the cavity in a penetrating manner, a flexible waterproof cushion layer 23 is arranged at the front end of the plug 21, the waterproof cushion layer 23 is made of rubber, slots 231 which are correspondingly matched with the plurality of conductive columns 12 in a penetrating manner are arranged on the waterproof cushion layer 23, and a clamping mechanism is arranged between the side wall of the slot 11 and the side part of the plug 21. When the electrical connection is needed to be established, the plug 21 is inserted into the slot 11, and meanwhile, the conductive column 12 in the slot 11 penetrates through the slot 231 of the waterproof cushion layer 23 and then is inserted into the cavity inside the plug 21, and forms conductive contact fit with the front end of the elastic telescopic column 22. The plug 21 and the slot 11 are mutually inserted and then positioned through the positioning mechanism, the plug 21 can be prevented from being separated from the slot 11, meanwhile, the elastic telescopic capacity of the elastic telescopic column 22 can be utilized to keep the elastic telescopic column in pressing contact with the conductive column 12, and the reliability of conductive connection is improved.

The inner wall of the bottom of the corresponding elastic telescopic column 22 of the chamber is provided with a convex wall 24, and the convex wall 24 is used for separating the front ends of the adjacent elastic telescopic columns 22, so that the creepage distance is increased, water liquid can be prevented from flowing to different elastic telescopic columns 22, and the safety performance of the product is improved.

The side of the plug 21 is provided with a plurality of drain holes 211 communicated with the chamber, when water enters the chamber, the water can flow out along the drain holes 211, thereby further improving the waterproof effect.

Clamping mechanism carries out the joint location including setting up the jump ring 31 at slot 11 lateral wall and setting up the draw-in groove 32 at the plug 21 lateral part through jump ring 31 and draw-in groove 32 cooperation, simple structure, and jump ring 31 is from taking elastic deformation ability, conveniently carries out the plug.

The snap spring 31 comprises two round rod-shaped matching sections 311, the side wall of the slot 11 is provided with a long slot 111 for accommodating the matching section 311, the matching section 311 is arranged at the notch of the long slot 111, when the plug 21 is inserted along the slot 11, the matching section 311 can be driven to deform and move and is embedded into the long slot 111 by using the inclined side wall of the plug or the arc-shaped profile of the matching section 311, and when the clamping groove 32 moves to the position corresponding to the matching section 311, the matching section 311 deforms and resets and forms clamping positioning matching with the clamping groove 32, so that the positioning after the plug and the slot are plugged is realized. When the plug and the slot need to be separated, a certain pull-out force is applied, and the arc-shaped inner wall of the slot 32 or the arc-shaped profile of the matching section 311 is utilized, so that the matching section 311 can be driven to deform and move and be embedded into the long slot 111 again, and the plug can be conveniently pulled out of the slot.

In other embodiments, the number of the matching sections 311 may also be two, and the two matching sections 311 are respectively disposed on two inner sidewalls of the slot that are disposed opposite to each other.

In this embodiment, the clamp spring 31 is a U-shaped structure, and includes an arc-shaped connecting section 312 and two matching sections 311, one end of each of the two matching sections 311 is connected to two ends of the connecting section 312, the first connecting mechanism 1 includes a connecting seat 14 located at one side of the slot 11, the connecting seat 14 is disposed at the inner side of the panel 13 and is used for being matched, clamped and positioned with the connecting section 312, two ends of the elongated slot 111 have communicating ports communicated to the outer side of the slot 11 (i.e., the inner side of the panel 13), and the communicating ports are matched with the matching sections 311 to be penetrated and positioned. By adopting the structure, the processing, the manufacturing and the assembly of the clamp spring 31 are convenient. Make two cooperation sections 311 simultaneously can set up respectively on the inside wall of two relative settings of slot, the atress is more even when making the joint location fit between plug and the slot.

The conductive columns 12 are integrally formed in the slots 11 in an injection molding mode, the lower ends of the conductive columns 12 are used for wiring, water can be prevented from flowing in along the insertion gaps of the conductive columns 12, and the waterproof effect is further improved.

The second connecting mechanism 2 comprises a base 25, the elastic telescopic column 22 is arranged at the front end of the base 25, the plug 21 is equivalent to a cover, a notch is formed in the rear end of the plug and can be sleeved and fixed at the front end of the base 25, the plug 21 and the base 25 are connected and positioned through a buckle, and a waterproof ring is arranged at the sleeved and matched position of the plug 21 and the base 25, so that the waterproof effect is improved. The protruding wall 24 is integrally formed at the front end of the base 25. By adopting the scheme, the structure is simple, the injection molding process of the base 25 and the plug 21 is convenient, and the assembly process can be simplified.

The above embodiment is only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a waterproof coupler, including first coupling mechanism, second coupling mechanism, its characterized in that: first coupling mechanism is including the slot, wear to establish a plurality of electric conduction posts of arranging in the slot, second coupling mechanism is including the plug of pegging graft with the slot cooperation, correspond a plurality of elastic expansion post of contact and electrically conductive complex with a plurality of electric conduction posts, and the plug inboard has a cavity, and the front end of a plurality of elastic expansion posts is worn to establish in this cavity, and the front end of plug is provided with flexible waterproof bed course, has seted up on the waterproof bed course to correspond with a plurality of electric conduction posts and wears to establish the complex line seam, is provided with latch mechanism between the lateral wall of slot and the lateral part of plug.

2. The waterproof coupler of claim 1, wherein: and the inner wall of the bottom of the chamber, which corresponds to the elastic telescopic column, is provided with a convex wall, and the convex wall is used for separating the front ends of the adjacent elastic telescopic columns.

3. The waterproof coupler of claim 1, wherein: and a plurality of water drainage holes communicated with the cavity are formed in the side part of the plug.

4. The waterproof coupler of claim 1, wherein: the clamping mechanism comprises a clamp spring arranged on the side wall of the slot and a clamping slot arranged on the side part of the plug, and the clamp spring and the clamping slot are matched, clamped and positioned.

5. The watertight coupler according to claim 4, characterized in that: the clamp spring at least comprises a round rod-shaped matching section, the side wall of the slot is provided with a long slot for containing the matching section, and the matching section is arranged at the notch of the long slot.

6. The watertight coupler of claim 5, wherein: the clamp spring is of a U-shaped structure and comprises an arc-shaped connecting section and two matching sections, one ends of the two matching sections are connected with two ends of the connecting section, the first connecting mechanism comprises a connecting seat located on one side of the slot, the connecting seat is used for being matched, clamped and positioned with the connecting section, two ends of the long groove are provided with communicating ports communicated to the outer side of the slot, and the communicating ports are matched with the matching sections to be arranged in a penetrating mode.

7. The waterproof coupler of claim 1, wherein: the conductive columns are integrally formed in the slots in an injection molding mode.

8. The watertight coupler of claim 1, wherein: the second connecting mechanism comprises a base, the plug is sleeved and fixed at the front end of the base, the elastic telescopic column is arranged at the front end of the base, and a waterproof ring is arranged at the sleeved matching position of the plug and the base.