CN203895680U - Waterproof connector - Google Patents

Abstract

The utility model is a waterproof connector, comprising an insulation seat body, an inner shell body, an elastic pad body and an outer shell body. A plurality of connection terminals are embedded in the insulation seat body. Accommodation space is formed inside the inner shell body. The insulation seat body is mounted on a rear end of the inner shell body. One end of each connection terminal is positioned in the accommodation space, and the other end of each connection terminal is kept outside the inner shell body. The elastic pad body is provided with a plurality of through holes. The structure and position of each through hole is matched with the connection terminal. The elastic pad body is mounted on the rear end of the insulation seat body, and the connection terminals can passes through the through holes. A front end of the outer shell body has an assembly groove. The structure of the assembly groove is matched with the elastic pad body. The outer shell body sleeves the inner shell body, the insulation seat body and the elastic pad body from the rear part, so that the elastic pad body is pressed, and the periphery of the elastic pad body is abutted against an inner wall of the assembly groove. The through holes are contracted inwardly to tighten the connection terminals. The connection terminals can be separated by watertight regions of the elastic pad body in the assembly groove. The waterproof connector does not require coating waterproof glue, and the production efficiency and the assembly efficiency can be greatly improved.

Description

Water-proof connector

Technical field

The utility model is a kind of water-proof connector, espespecially on an elastic pad, offer a plurality of through holes, while making this elastic pad be installed up in a shell body, the periphery of this elastic pad can be packed in the internal face of this shell body, and the water-proof connector of the inside branched splicing ear of packing of these through holes energy.

Background technology

Progress along with communication science and technology and electronic technology, the electronic installation that possesses various functions, as: the mobile phone of Neng Rangren world two ends communication, can meet people whenever and wherever possible listoning music walkman and can assist people to process the PC (Personal Computer) of every things ... Deng, all become the instrument that modern people are indispensable, and nowadays different types of electronic installation can be integrated into one mutually, make to utilize mobile phone listoning music, or utilize PC the function such as to call, be no longer unreachable dream.Yet, though these electronic installations can bring people many facilities, be afraid of most in the use to touch water and cause short circuit, or make moist and corrosion and damage occurs.At present, though most electronic installation is all coated with the exquisite shell of design, to avoid extraneous dust and aqueous vapor to touch these inner precision electronic elements, these electronic installations are in order to receive extraneous electric signal and the power supply transmitting, conventionally must on fuselage, configure a connector, due to this connector be not watertight be assembled on these electronic installations, if therefore user uses this electronic installation in the situation that of wet weather, or accidentally overturn the object that is filled with water (as: water tumbler) that is positioned at this electronic installation periphery, extraneous moisture and moisture can be via the gap in this connector, invade the respectively inside of this electronic installation, cause these precision electronic elements in this electronic installation respectively because contacting water or making moist, and be short-circuited or the problem of erosion damage, cause user inconvenient greatly, therefore, for connector, carry out waterproofing design in recent years, become one very important market demand.

Generally speaking, position the most key in the waterproofing design of connector is splicing ear, because splicing ear is assembled in connector mainly with the mode of intercalation, therefore dealer needed splicing ear to carry out some glue operations more in the past, utilize marine glue to seal up the intercalation gap of splicing ear, begin to form water-proof function perfectly.Refer to shown in Fig. 1, it is a water-proof connector of prior art, this water-proof connector 1 comprises an insulating base frame 11, a waterproof washer 12, a metal shell 13 and a metal plate 14, on this insulating base frame 11, be embedded with branched splicing ear 110, its outer rim is concaved with an annular groove 111, one end of these splicing ears 110 is that the front end by this insulating base frame 11 exposes, and its other end is extended by the rear end of this insulating base frame 11; The configuration of this waterproof washer 12 and this annular groove 111 match, can be embedded in this annular groove 111; This metal shell 13 is provided with an inserting groove 130, its top side offers two location holes 131, the configuration of these location holes 131 be with a connection-peg 15 on the configuration of location division 151 match, with can with these location division 151 phase inlay cards, this inserting groove 130 is for accommodating this insulating base frame 11 and this waterproof washer 12; This metal plate 14 is the top sides that can be positioned this metal shell 13, and on it, position corresponding to this location hole 131 is respectively equipped with a location notch 141, to cover this location hole 131.Because these location notchs 141 can seal up these location holes 131, and these waterproof washer 12 energy watertight ground are against the internal face of living this inserting groove 130, therefore can guarantee the water resistance of this water-proof connector 1.

From the above, although this water-proof connector 1 possesses good waterproof effect really, yet on actual applying, this water-proof connector 1 still exists some deficiencies and disappearance part, and details are as follows respectively:

(1) welding cost is high: shown in Fig. 1, this metal plate 14 must be welded in the mode of laser spot welding these metal shell 13 top sides, to guarantee watertight, seal this location hole 131, yet, laser spot welding will obviously increase the production cost of this water-proof connector 1, does not therefore calculate.

(2) assembly program is complicated: this waterproof washer 12 is in inlay card mode, be sheathed on this insulating base frame 11, yet, because the configuration of this waterproof washer 12 is less, therefore assembler is when this waterproof washer 12 of installing, not only consuming time longer, and easily because installing the deviation of angle, cause this waterproof washer 12 cannot completely closely be positioned in this annular groove 111, and then destroy its water proofing property.

(3) need to put glue operation: as previously mentioned, because these splicing ears 110 may be to adopt the mode of intercalation to be assembled in this insulating base frame 11, therefore after this water-proof connector 1 has been assembled, dealer still needs by some glue programs, with marine glue, seal up the rear end of this insulating base frame 11 and the position of the contiguous other end of these splicing ears, accordingly, begin to form water-proof function perfectly, the operation of some glue not only can increase production cost, and also can affect the assembling flow path of this water-proof connector 1, therefore for dealer, be not the design an of the best.

(4) waterproof effect is not good: general marine glue is solid-state situation after solidifying, but when experience SMT processing procedure (Surface Mounted Technology), impact due to high temperature, the material that marine glue pastes from marine glue will be because of thermal expansion rates different, and be easy to cause crack; Or user is when plug this water-proof connector, if move too quickly or application of force direction beat, these situations all likely cause curing marine glue to split, and then drainage occurs, therefore still have in water resistance, manyly need to improve part.

Therefore, how to design a kind of water-proof connector, not only there is perfect water resistance, and still can simplify the laser spot welding of prior art and put the lengthy and tedious programs such as glue operation, to improve production cost and the packaging efficiency of water-proof connector, become the utility model in this major issue that wish solves.

Prior art

Water-proof connector 1

Insulating base frame 11

Splicing ear 110

Annular groove 111

Waterproof washer 12

Metal shell 13

Inserting groove 130

Location hole 131

Metal plate 14

Location notch 141

Connection-peg 15

Location division 151

The utility model

Water-proof connector 2

Insulating base frame 21

Splicing ear 210

Hyoplastron 211

Inner housing 22

Accommodation space 220

Location hole 221

Elastic pad 23

Through hole 230

Shell body 24

Assembling grove 240

Assembly hole 241

Location notch 242

Embedding hole 243

Metal plate 25

Embedding part 251

Open front C1

After-opening C2

Longitudinal height H 1, H2, H3

Transverse width W1, W2, W3

Utility model content

Because prior art water-proof connector need be by some glue operations, seal up the problem in the intercalation gap of splicing ear, designer is by feat of practical experience for many years, after experiment and test repeatedly, finally design a kind of water-proof connector of the present utility model, the phase can provide the connector construction that a kind of structure is more simple, assembling is more easy.

The utility model provides a kind of water-proof connector, comprising:

Insulating base frame, its front end is provided with hyoplastron, is embedded with branched splicing ear in described insulating base frame, and described in each, one end of splicing ear is to expose to described hyoplastron surface, and its other end is extended by the rear end of described insulating base frame;

Inner housing, its front end offers open front, its rear end offers after-opening, described open front is connected with described after-opening, in described inner housing, form accommodation space, the configuration of described accommodation space and described insulating base frame match, and this insulating base physical efficiency is assembled in described inner housing by this after-opening, described hyoplastron can be positioned in described accommodation space, and the other end of described splicing ear can remain on the position of the outer contiguous described after-opening of described inner housing;

Elastic pad, offers a plurality of through holes on it, described in each, the other end of the position of through hole and configuration and described splicing ear matches, and described cushion physical efficiency is positioned to described insulating base frame rear end, and the other end of described splicing ear can pass described through hole; And

Shell body, its front end offers assembling grove, the configuration of described assembling grove and the configuration of described elastic pad match, described shell physical efficiency is towards the rear end movement of described inner housing, and be sheathed with the rear end of described inner housing, described cushion physical efficiency is compressed, the periphery packing of described elastic pad is to the corresponding internal face of described assembling grove, and the packing inwardly of described through hole, to the corresponding position of described splicing ear, can be separated to come by described elastic pad watertight area between the two ends of described splicing ear in described assembling grove.

Water-proof connector as above, wherein, position corresponding to described splicing ear on the rear end of described shell body offers respectively a plurality of assembly holes, described in each, assembly hole is connected with described assembling grove, described shell physical efficiency socket is to described inner housing, the front and back sides of described elastic pad can be respectively by the corresponding internal face institute packing of the rear end of described insulating base frame and described assembling grove, described elastic pad can be reached the urgent watertightness of elasticity with described assembling grove and be connected, and the through hole energy packing of described elastic pad is to the corresponding position of described splicing ear, the through hole of described elastic pad can be reached the urgent watertightness of elasticity with the corresponding position of described splicing ear and be connected, simultaneously, the other end of described splicing ear can be soldered on circuit board through described assembly hole.

Water-proof connector as above, wherein, described water-proof connector also comprises metal plate, in two corresponding end of described metal plate, extends and is provided with embedding part respectively; The end face of described shell body is provided with two embedding holes, and in the situation that described metal plate is positioned on described shell body, described embedding part embeds in described embedding hole, and described metallic plate physical efficiency is fixed on the end face of described shell body.

Water-proof connector as above, wherein, the end face of described inner housing also offers two location holes, position corresponding to location hole described in each in the assembling grove of described shell body is concaved with respectively two location notchs, micro USB specification aerial lug can insert described water-proof connector, and two snap fits on described aerial lug can embed described location hole, and are positioned in described location notch.

Water-proof connector of the present utility model, internal face due to the outside packing assembling grove of its set cushion physical efficiency difference, and inside packing splicing ear, realized water-proof function, therefore, dealer is when this water-proof connector of assembling, need not be separately by a glue program, the terminal that is tightly connected, accordingly, can significantly lower production cost and promote packaging efficiency.

Accompanying drawing explanation

Fig. 1 is the water-proof connector schematic diagram of prior art;

Fig. 2 is a schematic perspective view of water-proof connector of the present utility model;

Fig. 3 is another schematic perspective view of water-proof connector of the present utility model;

Fig. 4 is the elastic pad schematic diagram of water-proof connector of the present utility model; And

Fig. 5 is the shell body schematic diagram of water-proof connector of the present utility model.

Description of reference numerals:

Embodiment

For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing embodiment of the present utility model is described.

The utility model is a kind of water-proof connector, refer to shown in Fig. 2, it is the first preferred embodiment of the present utility model, this water-proof connector 2 comprises an insulating base frame 21, an inner housing 22, an elastic pad 23 and a shell body 24, for ease of structure of the present utility model is described, take the place ahead that the lower left of Fig. 2 is water-proof connector 2, the rear that upper right side is water-proof connector 2.The front end extension of this insulating base frame 21 is provided with a hyoplastron 211, and its inside is embedded with branched splicing ear 210, respectively the bottom surface to this hyoplastron is exposed in one end of this splicing ear 210, its other end can be extended by the rear end of this insulating base frame 21, after having assembled at this water-proof connector 2, the other end of these splicing ears 210 can be soldered on the circuit board of an electronic installation.

Refer to shown in Fig. 2 and Fig. 3, the front end of this inner housing 22 is provided with an open front C1, its rear end offers an after-opening C2, this open front C1 and this after-opening C2 are interconnected, can form an accommodation space 220 in this inner housing 22, the configuration of this accommodation space 220 and this insulating base frame 21 match, with in the situation that this insulating base frame 21 is assembled in this inner housing 22 by this after-opening C2, this insulating base frame 21 can cover this after-opening C2, now, this hyoplastron 211 can be positioned in this accommodation space 220, and the other end of these splicing ears 210 will remain on the position of this after-opening of the outer vicinity of this inner housing 22 C2.

On this elastic pad 23, offer a plurality of through holes 230, respectively the other end of the position of this through hole 230 and configuration and these splicing ears 210 matches, when assembling, this elastic pad 23 is positioned to the rear end of this insulating base frame 21, on the rear end face against to this insulating base frame 21, make the other end of these splicing ears 210 can pass these through holes 230, and the position of these splicing ear 210 contiguous other ends is held in these through holes 230.

Refer to shown in Fig. 2 and Fig. 4, this shell body 24 is resistant to elevated temperatures insulation material to form by one, its front end is arranged with inwardly and forms an assembling grove 240, the configuration of this assembling grove 240 is to match with this elastic pad 23, when assembling, assembler is first by this insulating base frame 21, elastic pad 23 and this inner housing 22 threes are assembled into one, this shell body 24 is sheathed with on the rear end of this inner housing 22 by rear, to be coated this insulating base frame 21, elastic pad 23 and inner housing 22, now, this elastic pad 23 is because being pushed by external force, therefore the outside packing of its periphery energy is to the corresponding internal face of this assembling grove 240, simultaneously, the inside packing of these through holes 230 is to the corresponding position of this splicing ear 210, make can in this assembling grove 240, by these elastic pad 23 watertight areas, be separated to come between the two ends of these splicing ears 210, so, can reach water-proof function perfectly, due to, this elastic pad 23 is this assembling grove 240 of packing simultaneously outwards, and these splicing ears 210 of packing simultaneously, therefore dealer need not implement a glue operation more separately, can significantly improve the efficiency of production cost and assembling.

Core concept of the present utility model is that the strain by this elastic pad 23 completes waterproof, and water-proof connector 2 of the present utility model is to belong to a kind of " dry process ", can effectively avoid some pollution that glue operation may cause and a consume, and by simplifying assembling flow path, allow production cost more simplify, be conducive to dealer and implement.Refer to shown in Fig. 2 and Fig. 4, when assembling, the thickness of this elastic pad 23 will significantly be compressed, the type variable of this compression will react on this elastic pad outer rim and these through holes 230, to realize aforesaid watertightness tightening function, and on actual applying, the configuration of this elastic pad 23 is the sizes that are slightly equal to this assembling grove 240, can bring into play its water proofing property, but do not limit, need not be greater than or less than this assembling grove 240, for the just personage of correlative technology field can understand the waterproof principle of the present utility model, this elastic pad 23 variation under different situations explains the main points briefly, enforcement aspect of the present utility model is not as limit, in this statement: refer to shown in Fig. 2 to Fig. 5, it is the first preferred embodiment of the present utility model, in this embodiment, position corresponding to these splicing ears 210 on the rear end of this shell body 24 offers respectively a plurality of assembly holes 241, respectively this assembly hole 241 is to be connected with assembling grove 240, longitudinal height H 1 and the transverse width W1 of this assembling grove 240 are slightly larger than longitudinal height H 2 and the transverse width W2 of this elastic pad 23 when not compressing.

Accordingly, in the situation that these shell body 24 covers are connected on this inner housing 22, the front and back sides of this elastic pad 23 is by by the packing that corresponding wall compresses of the rear surface of this insulating base frame 21 and this assembling grove 240, make the front and back thickness of this elastic pad 23 compressed, compressed thickness will react on the aperture of the outer rim of this elastic pad 23 and these through holes 230: longitudinal height H 3 and the transverse width W3 of the elastic pad 23 after compressed will expand to periphery, and the through hole 230 of this elastic pad 23 can inwardly be shunk, and then make longitudinal height H 3 of this elastic pad 23 and transverse width W3 can packing to the corresponding internal face of this assembling grove 240, and make the through hole 230 energy packings of this elastic pad 23 to the corresponding position of this splicing ear 210, now, the packing power that 23 pairs of these assembling groves 240 of this elastic pad and these splicing ears 210 produce, between the two ends of these splicing ears 210 of military order, can in this assembling grove 240, by these elastic pad 23 watertight areas, be separated to come, reach certain water-proof function.

Another kind of design of the present utility model is now described: referring again to shown in Fig. 2 to Fig. 5, in the second preferred embodiment of the present utility model, longitudinal height H 1 and the transverse width W1 of this assembling grove 240 are less than respectively longitudinal height H 2 and the transverse width W2 of this elastic pad 23 when not compressing, therefore, when this shell body 24 is sheathed with on this inner housing 22, the periphery of this elastic pad 23 is by by the packing that internal face compresses of this assembling grove 240, make longitudinal height H 3 of the elastic pad 23 after compression will be compressed into this assembling grove 240 consistent with transverse width W3, meanwhile, these through holes 230 also will inwardly shrink, make the position of these splicing ear 210 contiguous other ends be fixed in these through holes 230 watertight.

Again, refer to shown in Fig. 2 and Fig. 5, in a preferred embodiment of the present utility model, on the end face of this insulating base frame 21, still offer two location holes 221, respectively two snap fits on the connector of the configuration of this location hole 221 and a micro USB (Micro USB) specification match, with in the situation that the aerial lug of a Micro USB specification be plugged on this water-proof connector 2, these snap fits can with these location hole 221 phase inlay cards; On this shell body 24 corresponding to being concaved with respectively a location notch 242 on the internal face of these location holes 221, for the snap fit on the aerial lug of accommodating Micro USB specification.In addition, in the present embodiment, this water-proof connector 2 still comprises a metal plate 25, two corresponding end of this metal plate 25 are extended respectively and are provided with at least one embedding part 251, and the end face of this shell body 24 is provided with a plurality of embedding holes 243, this metal plate 25 is the end faces that can be positioned this shell body 24, and by the mutual inlay card of these embedding parts 251 and these embedding holes 243, be fixed on this shell body 24, to suppress the problem of electromagnetic interference (Electromagnetic Interference).

The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the modification of doing under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.And it should be noted that, each part of the present utility model is not limited in above-mentioned overall applicability, each technical characterictic of describing in specification of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model has naturally been contained other combinations relevant with this case innovative point and specifically application.

Claims (4)

1. a water-proof connector, is characterized in that, described water-proof connector comprises:

Insulating base frame, its front end extension is provided with hyoplastron, is embedded with branched splicing ear in described insulating base frame, and described in each, expose to described hyoplastron surface one end of splicing ear, and its other end is extended by the rear end of described insulating base frame;

Inner housing, its front end offers open front, its rear end offers after-opening, described open front is connected with described after-opening, in described inner housing, form accommodation space, the configuration of described accommodation space and described insulating base frame match, and described insulating base physical efficiency is assembled in described inner housing by described after-opening, described hyoplastron can be positioned in described accommodation space, and the other end of described splicing ear can remain on the position of the outer contiguous described after-opening of described inner housing;

Elastic pad, offers a plurality of through holes on it, described in each, the other end of the position of through hole and configuration and described splicing ear matches, and described cushion physical efficiency is positioned to described insulating base frame rear end, and the other end of described splicing ear can pass described through hole; And

Shell body, its front end is provided with assembling grove, the configuration of described assembling grove and the configuration of described elastic pad match, described shell physical efficiency is towards the rear end movement of described inner housing, and be sheathed with the rear end of described inner housing, described cushion physical efficiency is compressed, the periphery packing of described elastic pad is to the corresponding internal face of described assembling grove, and the packing inwardly of described through hole, to the corresponding position of described splicing ear, can be separated to come by described elastic pad watertight area between the two ends of described splicing ear in described assembling grove.

2. water-proof connector as claimed in claim 1, it is characterized in that, position corresponding to described splicing ear on the rear end of described shell body offers respectively a plurality of assembly holes, described in each, assembly hole is connected with described assembling grove, described shell physical efficiency socket is to described inner housing, the front and back sides of described elastic pad can be respectively by the corresponding internal face institute packing of the rear end of described insulating base frame and described assembling grove, described elastic pad can be reached the urgent watertightness of elasticity with described assembling grove and be connected, and the through hole energy packing of described elastic pad is to the corresponding position of described splicing ear, the through hole of described elastic pad can be reached the urgent watertightness of elasticity with the corresponding position of described splicing ear and be connected, simultaneously, the other end of described splicing ear can be soldered on circuit board through described assembly hole.

3. water-proof connector as claimed in claim 1 or 2, is characterized in that, described water-proof connector also comprises metal plate, in two corresponding end of described metal plate, extends and is provided with embedding part respectively; The end face of described shell body is provided with two embedding holes, and in the situation that described metal plate is positioned on described shell body, described embedding part embeds in described embedding hole, and described metallic plate physical efficiency is fixed on the end face of described shell body.

4. water-proof connector as claimed in claim 3, it is characterized in that, the end face of described inner housing also offers two location holes, position corresponding to location hole described in each in the assembling grove of described shell body is concaved with respectively two location notchs, the aerial lug of micro USB specification can insert described water-proof connector, and two snap fits on described aerial lug can embed described location hole, and are positioned in described location notch.