CN113540874A

CN113540874A - Electric connector and electronic equipment

Info

Publication number: CN113540874A
Application number: CN202110775976.6A
Authority: CN
Inventors: 邓白频; 陈军
Original assignee: Shenzhen Krconn Technology Co ltd
Current assignee: Shenzhen Krconn Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-10-22

Abstract

The invention provides an electric connector which comprises a connector main body and an inner shell arranged around the connector main body, wherein the inner shell comprises a stretching part formed by extending towards one side of the connector main body, a hot melt rubber ring is arranged on one side, close to the stretching part, of the connector main body, at least part of the hot melt rubber ring is attached to the connector main body, and one side of the inner shell is attached to the hot melt rubber ring. According to the electric connector, the hot melt rubber ring is arranged between the connector main body and the inner shell, when a product is subjected to SMT (surface mount technology) surface mounting, the hot melt rubber ring can be melted through the high temperature of the process to fill the gap between the connector main body and the inner shell, the waterproof performance of the product is guaranteed, meanwhile, the process flow is simplified, the production cost is reduced, meanwhile, the waterproof performance of the product is further improved through the gap between the waterproof rubber ring sealing equipment and the electric connector, and the electric connector is more convenient to install and improves the production efficiency through the arrangement of the installation part made of hard materials and the flexible part made of soft materials.

Description

Electric connector and electronic equipment

Technical Field

The present invention relates to the field of electrical connectors, and particularly to an electrical connector and an electronic device.

Background

The Type-C connector is widely used for signal transmission and charging of various terminal devices by people due to the advantages of small volume, no need of distinguishing the plugging direction and the like, and when the electric connector is applied to products such as an electric toothbrush and the like, certain requirements are met on the waterproof performance of the products.

The electric connector comprises a connector main body and an inner shell surrounding the connector main body, and because the connector main body is injection molded and the inner shell is a rigid part, a gap is inevitably formed between the connector main body and the inner shell during assembly.

Among the prior art, need be at connector main part afterbody, the fitting point of connector main part and inner shell is glued promptly to fill the clearance between connector main part and the inner shell, and still need dry to the point department of gluing after gluing, the technology is more complicated and efficiency is lower, when the follow-up SMT paster that carries out of product, because this technology needs high temperature to go on, glue can be remelted, and move outside the default position, causes the influence to the waterproof performance of product.

Disclosure of Invention

The invention aims to provide an electric connector and electronic equipment, aiming at solving the technical problems that glue needs to be dispensed at the tail part of a connector main body, namely the assembly part of the connector main body and an inner shell, so as to fill the gap between the connector main body and the inner shell, and the glue dispensing part needs to be dried after the glue dispensing, so that the process is complex and low in efficiency, and when SMT (surface mount technology) patch is carried out subsequently on a product, the glue can be remelted and moved to a preset position, so that the waterproof performance of the product is affected.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an electric connector, includes the connector main part and encloses to be located the inner shell of connector main part, the inner shell includes the orientation the extension portion that forms is extended to connector main part one side, the connector main part is close to one side of extension portion is equipped with the hot melt rubber circle, the laminating of at least part of hot melt rubber circle the connector main part, the outer wall height of hot melt rubber circle is greater than the connector main part is close to the outer wall height of extension portion one side, the laminating of one side of inner shell the hot melt rubber circle.

Compared with the prior art, the invention has the beneficial effects that: set up the hot melt rubber circle through one side at the connector main part, and the partial laminating connector main part of hot melt rubber circle, inner shell laminating hot melt rubber circle, be equipped with the hot melt rubber circle between connector main part and the inner shell promptly, when the product carries out the SMT paster, the high temperature of this technology of accessible, melt the formation sol to the hot melt rubber circle, make sol bonding connector main part and inner shell, and fill the clearance between connector main part and the inner shell, when assembling this electric connector to electronic equipment, prevent that liquid from the opening part of inner shell from causing harm such as short circuit in getting into electronic equipment through the clearance between connector main part and the inner shell, when guaranteeing product waterproof performance, need not to glue in the clearance of connector main part and inner shell, and dry, process flow has been simplified relatively, and production cost is reduced.

According to one aspect of the above technical scheme, the outer wall of one side of the connector main body is recessed inwards to form an accommodating groove, the hot melt adhesive ring is sleeved in the accommodating groove, and the stretching portion surrounds the hot melt adhesive ring.

According to an aspect of the above technical scheme, the outer wall of one end of the connector main body extends outwards to form a protruding portion, the side wall of the stretching portion is attached to the protruding portion, the hot melt adhesive ring is sleeved on one side of the inner shell, and the side wall of the hot melt adhesive ring is attached to the protruding portion.

According to one aspect of the above technical scheme, the electric connector further comprises an outer shell surrounding the inner shell, a waterproof rubber ring is sleeved on the outer wall of one side, away from the stretching part, of the inner shell, and the side wall of the waterproof rubber ring is attached to the side wall of the outer shell.

According to an aspect of above-mentioned technical scheme, waterproof rubber ring includes the installation department, the internal diameter of installation department with the inner shell is kept away from one side external diameter looks adaptation of tensile portion, just the installation department encloses the portion the inner shell.

According to an aspect of the above technical scheme, the waterproof rubber ring further comprises a flexible portion, and the outer wall of the installation portion extends outwards to form the flexible portion.

According to an aspect of the above technical solution, a hardness of the mounting portion is greater than a hardness of the flexible portion.

According to an aspect of the above technical solution, the outer shell includes a first fixing portion and a second fixing portion, the first fixing portion is attached to the stretching portion, the second fixing portion is attached to one side of the inner shell relatively far from the stretching portion, a bridging portion is connected between the first fixing portion and the second fixing portion, and the bridging portion is attached to the inner shell.

The invention also provides electronic equipment comprising the electric connector in the technical scheme.

Drawings

Fig. 1 is a schematic structural diagram of an electrical connector according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the connector body, the inner shell and the hot-melt adhesive ring according to the first embodiment of the present invention;

FIG. 3 is a schematic structural view of a waterproof rubber ring according to a first embodiment of the present invention;

FIG. 4 is a schematic structural diagram of the housing according to the first embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an electrical connector according to a second embodiment of the present invention;

FIG. 6 is a schematic structural view of a connector body and an inner housing according to a second embodiment of the present invention;

FIG. 7 is a schematic view of the assembly of the connector body and the hot-melt adhesive ring according to the second embodiment of the present invention;

description of the main element symbols:

connector body	10	Inner shell	20
				Hot melt rubber ring	30	Waterproof rubber ring	40
Outer casing	50	Projection part	11
				Stretching part	21	Mounting part	41
Flexible part	42	Second fixed part	51
				First fixed part	52	Bridging part	53
Containing groove	12

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an electrical connector according to a first embodiment of the present invention is shown, including a connector main body 10 and an inner shell 20 surrounding the connector main body 10, where the inner shell 20 includes a stretching portion 21 extending to fit one side of the connector main body 10, one side of the connector main body 10 close to the stretching portion 21 is provided with a hot melt adhesive ring 30, at least a portion of the hot melt adhesive ring 30 fits the connector main body 10, the height of the outer wall of the hot melt adhesive ring 30 is greater than the height of the outer wall of the connector main body 10 close to the stretching portion 21, and one side of the inner shell 20 fits the hot melt adhesive ring 30.

This electric connector sets up hot melt rubber ring 30 through the one side at connector main part 10, and hot melt rubber ring 30's part laminating connector main part 10, inner shell 20 laminating hot melt rubber ring 30, be equipped with hot melt rubber ring 30 between connector main part 10 and the inner shell 20 promptly, when the product carries out the SMT paster, the high temperature of this technology of accessible, melt hot melt rubber ring 30 and form the viscose, make viscose bonding connector main part 10 and inner shell 20, and fill the clearance between connector main part 10 and the inner shell 20, when guaranteeing product waterproof performance, process flow has been simplified, and the production cost is reduced.

In this embodiment, the outer wall of one end of the connector main body 10 extends outward to form a protruding portion 11, the side wall of the stretching portion 21 is attached to the protruding portion 11, the hot melt adhesive ring 30 is sleeved on one side of the inner shell 20, and the side wall of the hot melt adhesive ring 30 is attached to the protruding portion 11. Specifically, the tail of the connector main body 10 extends out of the protruding portion 11, one side of the inner shell 20 is attached to the protruding portion 11, namely, the hot-melt adhesive ring 30 is sleeved on the inner shell 20, the side wall of the hot-melt adhesive ring 30 is attached to the connector main body 10, when SMT mounting is carried out subsequently, the hot-melt adhesive ring 30 is melted at high temperature, gaps between the connector main body 10 and the inner shell 20 are filled and sealed, the waterproof performance of the product is improved, and when the product is mounted to a device for use, water flow flows into the product from a charging port of the device through the gap between the connector main body 10 and the inner shell 20, and accordingly poor conditions such as short circuit of the device are caused.

When the electric connector is mounted on equipment, a gap may exist between the mounting port of the equipment and the electric connector, and water may flow into the product through the gap between the electric connector and the mounting port of the equipment, resulting in a short circuit of the equipment and other adverse conditions. In this embodiment, the electrical connector further includes an outer shell 50 enclosing a portion of the inner shell 20, a waterproof rubber ring 40 is sleeved on an outer wall of one side of the inner shell 20 away from the stretching portion 21, and a side wall of the waterproof rubber ring 40 is attached to a side wall of the outer shell 50. A waterproof rubber ring 40 is arranged on one side of the inner shell 20 far away from the stretching part 21, namely close to the mounting opening, and the waterproof rubber ring 40 seals a gap between the equipment and the electric connector, so that the waterproof performance of the product is further improved.

Specifically, the waterproof rubber ring 40 includes a mounting portion 41, an inner diameter of the mounting portion 41 is matched with an outer diameter of the inner shell 20 at a side far away from the stretching portion 21, and the mounting portion 41 encloses a portion of the inner shell 20.

Waterproof rubber ring among the prior art, in order to guarantee waterproof rubber ring's sealing performance, adopt the great material of elasticity usually, make it change the laminating product, and the great waterproof rubber ring of elasticity needs to strut the back cover to the inner shell when the installation, and packaging efficiency is lower. In this embodiment, the waterproof rubber ring 40 further includes a flexible portion 42, and an outer wall of the mounting portion 41 extends outward to form the flexible portion 42. Further, the mounting portion 41 has a hardness greater than that of the flexible portion 42.

In this embodiment, through setting up harder installation department 41 of material, be convenient for install the product to inner shell 20 on, extend on the outer wall of installation department 41 simultaneously and form the softer flexible portion 42 of material, this waterproof rubber ring 40 is in the demand that has satisfied the laminating product promptly, when guaranteeing sealing performance, makes this electric connector's installation more convenient, has improved production efficiency.

In this embodiment, the waterproof rubber ring 40 can be formed by injection molding through a two-shot injection molding process.

In addition, the outer shell 50 includes a first fixing portion 52 and a second fixing portion 51, the first fixing portion 52 is attached to one side of the inner shell 20 close to the hot-melt adhesive ring 30, the second fixing portion 51 is attached to one side of the inner shell 20 relatively far away from the hot-melt adhesive ring 30, a bridging portion 53 is connected between the first fixing portion 52 and the second fixing portion 51, and the bridging portion 53 is attached to the inner shell 20. That is, the shape of the outer shell 50 is substantially matched with the inner shell 20, so that the size of the product is reduced on the premise of ensuring the waterproof performance of the product, and the miniaturization of the product is facilitated.

In summary, in the electrical connector according to the above-mentioned embodiment of the invention, the hot-melt adhesive ring 30 is disposed on one side of the connector body 10, and a portion of the hot-melt adhesive ring 30 is attached to the connector body 10, and the inner housing 20 is attached to the hot-melt adhesive ring 30, that is, the hot-melt adhesive ring 30 is disposed between the connector body 10 and the inner housing 20, when a product is subjected to SMT surface mounting, the hot-melt adhesive ring 30 can be melted to form a sol through a high temperature of the process, so that the sol can adhere the connector body 10 and the inner housing 20, and fill a gap between the connector body 10 and the inner housing 20, when the electrical connector is assembled to an electronic device, liquid is prevented from entering the electronic device through the gap between the connector body 10 and the inner housing 20 from an opening of the inner housing 20, thereby ensuring a waterproof performance of the product, simplifying a process flow and reducing a production cost, the waterproof adhesive ring 40 is disposed on a side of the inner housing 20 away from the stretching portion 21, that is close to the mounting opening, through the clearance between 40 sealing equipment of waterproof rubber ring and the electric connector, further improve the waterproof performance of product, through setting up harder installation department 41 of material, be convenient for install the product to inner shell 20 on, extend on the outer wall of installation department 41 simultaneously and form the softer flexible portion 42 of material, this waterproof rubber ring 40 is satisfying the demand of laminating the product promptly, when guaranteeing sealing performance, makes the installation of this electric connector more convenient, has improved production efficiency.

Referring to fig. 5 to 7, an electrical connector according to a second embodiment of the present invention is shown, wherein the electrical connector of the present embodiment is different from the electrical connector of the first embodiment in that: the outer wall of one side of the connector main body 10 is recessed inwards to form an accommodating groove 12, the hot melt adhesive ring 30 is sleeved in the accommodating groove 12, and the stretching portion 21 encloses the hot melt adhesive ring 30. By arranging the accommodating groove 12 and arranging the hot melt adhesive ring 30 in the accommodating groove 12, the structure of the inner shell 20 and the connector main body 10 is compact while the bonding amount during subsequent bonding is satisfied, and meanwhile, the protrusion 11 does not need to be arranged to contact with the inner shell 20, so that the miniaturization of a product is facilitated.

Conveniently, the hot melt adhesive ring 30 of the present invention is disposed between the inner shell 20 and the connector body 10, in the first embodiment, the hot melt adhesive ring 30 is sleeved on the outer wall of the inner shell 20, while the side wall is attached to the protrusion 11, and in the present embodiment, the hot melt adhesive ring 30 is sleeved in the accommodating groove 12 formed in the connector body 10, while the inner shell 20 encloses the hot melt adhesive ring 30.

It should be understood that, by way of example and not limitation, in other embodiments of the present invention, the hot melt adhesive ring 30 may be directly sleeved on the connector body 10 and contacted with the inner shell 20, i.e. the hot melt adhesive ring 30 may be disposed at different positions according to different models of products.

In addition, it should be noted that other parts not described in this embodiment may refer to the first embodiment, and are not described herein again.

In a third embodiment of the present invention, an electronic device is provided, which includes the electrical connector in the above-mentioned embodiments. The electronic device is, for example, a portable power source, a wireless headset, an electric shaver, an electric toothbrush, or the like.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an electric connector, includes the connector main part and encloses to be located the inner shell of connector main part, a serial communication port, the inner shell includes the orientation the extension portion that connector main part one side extended formation, the connector main part is close to one side of extension portion is equipped with the hot melt rubber circle, at least partial laminating of hot melt rubber circle the connector main part, the outer wall height of hot melt rubber circle is greater than the connector main part is close to the outer wall height of extension portion one side, one side laminating of inner shell the hot melt rubber circle.

2. The electrical connector of claim 1, wherein an outer wall of one side of the connector body is recessed inward to form a receiving groove, the hot melt adhesive ring is sleeved in the receiving groove, and the stretching portion encloses the hot melt adhesive ring.

3. The electrical connector of claim 1, wherein a protrusion extends outward from an outer wall of one end of the connector body, a sidewall of the stretching portion fits the protrusion, the hot melt adhesive ring is sleeved on one side of the inner housing, and a sidewall of the hot melt adhesive ring fits the protrusion.

4. The electrical connector of claim 1, further comprising an outer shell enclosing a portion of the inner shell, wherein a waterproof rubber ring is sleeved on an outer wall of the inner shell on a side away from the stretching portion, and a side wall of the waterproof rubber ring is attached to a side wall of the outer shell.

5. The electrical connector of claim 4, wherein the waterproof rubber ring includes a mounting portion having an inner diameter corresponding to an outer diameter of a side of the inner housing remote from the pulling portion, and the mounting portion encloses a portion of the inner housing.

6. The electrical connector of claim 5, wherein the waterproof grommet further comprises a flexible portion, and the mounting portion outer wall extends outward to form the flexible portion.

7. The electrical connector of claim 6, wherein the mounting portion has a hardness greater than a hardness of the flexible portion.

8. The electrical connector of claim 4, wherein the outer housing includes a first fixing portion and a second fixing portion, the first fixing portion is attached to the stretching portion, the second fixing portion is attached to a side of the inner housing opposite to the stretching portion, and a bridging portion is connected between the first fixing portion and the second fixing portion and attached to the inner housing.

9. An electronic device comprising an electrical connector according to any one of claims 1 to 8.