CN105552620A - Pin watertight cladding enhancement structure - Google Patents
Pin watertight cladding enhancement structure Download PDFInfo
- Publication number
- CN105552620A CN105552620A CN201510908832.8A CN201510908832A CN105552620A CN 105552620 A CN105552620 A CN 105552620A CN 201510908832 A CN201510908832 A CN 201510908832A CN 105552620 A CN105552620 A CN 105552620A
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- CN
- China
- Prior art keywords
- contact pin
- watertight
- pin
- post
- coated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a pin watertight cladding enhancement structure, and the structure comprises a in, an enhancement column, a watertight cladding layer, and a cover plate. The lower end of the pin is fixed on the cover plate. The upper end of the pin sequentially passes through the cladding layer and the enhancement column. The enhancement column and the watertight cladding layer are molded in a die at a time. The cover plate is provided with a pin hole. The bottom end of the pin hole is provided with a positioning step, and the lower end of the pin is disposed in the pin hole and is located through the positioning step. The lower end of the pin is disposed in the pin hole, and the pin is located through the positioning step. The upper end of the pin sequentially passes through the cladding layer and the enhancement column. The structure can enable the pin to have certain elasticity when a lateral force is applied to the pin, and improves the performance of the pin in bearing the lateral force.
Description
Technical field
The present invention relates to ocean engineering, underwater acoustic transducer field, particularly, relate to the coated enhancing structure of a kind of contact pin watertight.
Background technology
It is coated that ocean engineering, underwater acoustic transducer field often need to carry out watertight to transducer or other parts, and by contact pin extraction electrode.Contact pin watertight is coated can realize direction waterproof, and the resistance to hydrostatic pressure ability that contact pin watertight is coated and reliability determine working depth and the life-span of equipment.Often there is the coated contact pin situation of a large amount of watertights in a set of underwater sound equipment, the coated reliability of contact pin watertight becomes again the key factor affecting underwater sound equipment reliability.In order to make, contact pin watertight is coated has good resistance to hydrostatic pressure ability and reliability, generally takes the method for increase pin diameter, length and increase watertight coating thickness as shown in Figure 1.
When being restricted in volume, weight, when can not increase the thickness of the diameter of contact pin, length and watertight coating layer, contact pin such as easily to be collided with at the side force and bend fracture or peel off with water sealed layer, causes contact pin watertight to lose efficacy; Because watertight coating thickness is less, watertight coating layer by aging, creep effect may with the bonding plane of contact pin on produce pulling force, the easily pressurized deformation and peeling off with contact pin when hydrostatic pressing is larger, causes watertight to lose efficacy.
Therefore, need solution to be restricted in volume, weight, when can not increase pin diameter, length and watertight coating thickness, how to improve the problem of the coated resistance to hydrostatic pressure ability of contact pin watertight and reliability.
Do not find and same item technology of the present invention at present, do not find that there is congenic method in file and document yet.
Summary of the invention
Watertight for existing contact pin is coated on volume, weight is restricted, when can not increase pin diameter, length and watertight coating thickness, the resistance to hydrostatic pressure ability existed and the problem of reliability, propose the coated enhancing structure of contact pin watertight that a kind of structure is simple, volume weight is little, resistance to hydrostatic pressure ability is strong, reliability is high.The present invention can be restricted in volume, weight, when can not increase pin diameter, length and watertight coating thickness, realizes the contact pin watertight that resistance to hydrostatic pressure performance is good, cost is low, reliability is high, the life-span is long coated.
The coated enhancing structure of contact pin watertight provided by the invention, comprises contact pin, strengthens post, watertight coating layer and cover plate;
Wherein, the lower end of described contact pin is fixing on the cover board;
The upper end of described contact pin is passed by described coating layer, described enhancing post successively.
Preferably, described enhancing post and the one-shot forming in a mold of described watertight coating layer.
Preferably, described cover plate is provided with pin holes; The bottom of described pin holes is provided with positioning step;
The lower end of described contact pin is arranged in described pin holes, is located by described positioning step.
Preferably, described enhancing post is extended in the upper surface of described watertight coating layer;
Described watertight coating layer and described enhancing post surround the bottom of described contact pin.
Preferably, the watertight step of described contact pin is positioned at the middle part strengthening post.
Preferably, the diameter of described enhancing post is 3 ~ 5 times of pin diameter,
Or the diameter of described enhancing post 2 ~ 4mm larger than watertight stepped diameters.
Preferably, the height of described enhancing post is 3 ~ 10mm.
Preferably, described enhancing post and watertight coating layer adopt identical material to make.
Preferably, adopt epoxy glue bonding between described contact pin and described pin holes.
Preferably, the degree of depth of pin holes is not less than 1mm; The diameter 0.1mm larger than contact pin of pin holes; The height of positioning step is not less than 0.5mm, diameter 0.2 ~ 1mm less of contact pin, and the thickness of watertight coating layer is 1 ~ 5mm.
In the coated enhancing structure of contact pin watertight provided by the invention, adopt epoxy glue bonding between described contact pin 1 and described pin holes 401, epoxy glue is bonding can be increased the positioning intensity of contact pin and avoid watertight coating layer enter cover plate inside or produce bubble; The degree of depth of pin holes 401 is not less than 1mm, makes contact pin be kept upright under enough guiding degree of depth and easily coordinate with mould; The diameter 0.1mm larger than contact pin of pin holes 401, makes contact pin 1 easily insert and have certain pardon to the unnecessary scolding tin of the wire that is connected with contact pin 1; The height of positioning step 402 is not less than 0.5mm, diameter 0.2 ~ 1mm less of contact pin, and positioning step 402 should be enough to bear the pressure of contact pin 1 under maximum working depth 1.5 times of hydrostatic pressings; Contact pin 1 and coordinate the above-mentioned optimal design of installing with cover plate 4, can make contact pin 1 have certain elasticity when being subject to side force, strengthens the performance that contact pin 1 bears side force.
In the coated enhancing structure of contact pin watertight provided by the invention, the length that contact pin exposes non-covered section 101 is 3 ~ 6mm; Watertight step 103 width is 0.5 ~ 1mm, is highly 0.5 ~ 1.5mm; The height of contact pin covered section 104 is 0.5 ~ 2mm; The height of contact pin covered section 102 is 1.5 ~ 3mm, or 1.5 to 3 of pin diameter times, equals or slightly larger than the height sum of watertight step 103 with contact pin covered section 104; Watertight step 103 carries out above-mentioned optimal design what strengthen the relative position in post 2, contact pin 1 can be avoided to bend fracture or come unstuck, and strengthen resistance to hydrostatic pressure performance when contact pin 1 is subject to side force.
Compared with prior art, the present invention has following beneficial effect:
1, adopt epoxy glue bonding between contact pin of the present invention and pin holes, epoxy glue is bonding can be increased the positioning intensity of contact pin and avoid watertight coating layer enter cover plate inside or produce bubble;
2, the lower end that the present invention inserts is arranged in pin holes, is located by positioning step, and upper end is passed by described coating layer, described enhancing post successively, and contact pin can be made when being subject to side force to have certain elasticity, strengthens the performance that contact pin bears side force;
3, the present invention is simple and compact for structure, volume weight is little, resistance to hydrostatic pressure performance is good, bear that side force performance is good, the coated reliability of watertight is high, cost is low, the life-span is long, and practical application effect is better, obtains checking in actual applications;
4, the present invention easily realizes, and do not increase extra processing and manufacturing difficulty, cost is low.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 (a) is the coated structural representation of existing common contact pin watertight;
Fig. 1 (b) is the coated schematic cross-section of existing common contact pin watertight;
Fig. 2 (a) is the structural representation of the coated enhancing structure of contact pin watertight of the present invention;
Fig. 2 (b) is the schematic cross-section of the coated enhancing structure of contact pin watertight of the present invention.
In figure:
1 is contact pin;
2 for strengthening post;
3 is watertight coating layer;
4 is cover plate;
101 expose non-covered section for contact pin;
103 is the watertight step on contact pin 1;
102 is the first contact pin covered section on watertight step 103;
104 is the second contact pin covered section between watertight step 103 and watertight coating layer 3;
301 is the outer face of watertight coating layer 3;
401 is pin holes;
402 is contact pin positioning step.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
In the present embodiment, the coated enhancing structure of contact pin watertight provided by the invention, comprises contact pin 1, strengthens post 2, watertight coating layer 3 and cover plate 4;
Wherein, the lower end of described contact pin 1 is fixed on cover plate 4; The upper end of described contact pin 1 is passed by described coating layer 3, described enhancing post 2 successively.
Described enhancing post 2 and the one-shot forming in a mold of described watertight coating layer 3.Described cover plate 4 is provided with pin holes 401; The bottom of described pin holes 401 is provided with positioning step 402; The lower end of described contact pin 1 is arranged in described pin holes 401, is located by described positioning step 402.
Described enhancing post 2 is extended in the upper surface of described watertight coating layer 3; Described watertight coating layer 3 and described enhancing post 2 surround the bottom of described contact pin 1.The watertight step 103 of described contact pin 1 is positioned at the middle part strengthening post 2.
The diameter of described enhancing post 2 is 3 ~ 5 times of contact pin 1 diameter, or the diameter increasing described strong post 22 ~ 4mm larger than watertight step 103 diameter.The height of described enhancing post 2 is 3 ~ 10mm, thus can make contact pin 1 when contact pin 1 is subject to side force and strengthen post 2 to have certain elasticity, avoids contact pin 1 bend fracture or come unstuck.
Described enhancing post 2 and watertight coating layer 4 adopt identical material to make.Adopt epoxy glue bonding between described contact pin 1 and described pin holes 401.The degree of depth of pin holes 401 is not less than 1mm; The diameter 0.1mm larger than contact pin of pin holes 401; The height of positioning step 402 is not less than 0.5mm, diameter 0.2 ~ 1mm less of contact pin.
More specifically, in the coated enhancing structure of contact pin watertight provided by the invention, contact pin 1 material is brass, and strengthening post 2 with watertight coating layer 3 material is casting type polyurethane, and cover plate 4 material is Merlon.
Contact pin 1 diameter 1.8mm, the wide 0.5mm of watertight step 103, high 1mm; Pin holes 401 degree of depth 2mm, diameter 1.9mm; The height 0.5mm of positioning step 402, diameter 1.3mm.Strengthening post 2 with watertight coating layer 3 is that once-cast urethane cures is shaping in a mold, strengthens post 2 and protrudes from watertight coating layer 3, and be communicated with into as a whole at outer face 301 place of watertight coating layer 3.
The diameter strengthening post 2 is 5mm, is highly 5mm.The length that contact pin exposes non-covered section 101 is 6mm; The height of the first contact pin covered section 102 is 3mm; The height of the second contact pin covered section 104 is 1mm.The thickness of watertight coating layer 2 is 1.5mm.Contact pin exposes after non-covered section 101 bends nearly 90 ° and keeps watertight under hydrostatic pressing 1.5MPa.
The coated enhancing of contact pin watertight provided by the invention is simple and compact for structure, volume weight is little, resistance to hydrostatic pressure performance is good, bear that side force performance is good, the coated reliability of watertight is high, cost is low, the life-span is long, practical application effect is better, obtains checking in actual applications; Easy realization, do not increase extra processing and manufacturing difficulty, cost is low.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. the coated enhancing structure of contact pin watertight, is characterized in that, comprises contact pin (1), strengthens post (2), watertight coating layer (3) and cover plate (4);
Wherein, the lower end of described contact pin (1) is fixed on cover plate (4);
The upper end of described contact pin (1) is passed by described coating layer (3), described enhancing post (2) successively.
2. the coated enhancing structure of contact pin watertight according to claim 1, is characterized in that, described enhancing post (2) and the one-shot forming in a mold of described watertight coating layer (3).
3. the coated enhancing structure of contact pin watertight according to claim 1, is characterized in that, described cover plate (4) is provided with pin holes (401); The bottom of described pin holes (401) is provided with positioning step (402);
The lower end of described contact pin (1) is arranged in described pin holes (401), is located by described positioning step (402).
4. the coated enhancing structure of contact pin watertight according to claim 1, is characterized in that, described enhancing post (2) is extended in the upper surface of described watertight coating layer (3);
Described watertight coating layer (3) and described enhancing post (2) surround the bottom of described contact pin (1).
5. the coated enhancing structure of contact pin watertight according to claim 1, is characterized in that, the watertight step (103) of described contact pin (1) is positioned at the middle part strengthening post (2).
6. the coated enhancing structure of contact pin watertight according to claim 5, is characterized in that, the diameter of described enhancing post (2) is 3 ~ 5 times of contact pin (1) diameter,
Or the diameter of described enhancing post (2) 2 ~ 4mm larger than watertight step (103) diameter.
7. the coated enhancing structure of contact pin watertight according to claim 1, is characterized in that, the height of described enhancing post (2) is 3 ~ 10mm.
8. the coated enhancing structure of contact pin watertight according to claim 1, is characterized in that, described enhancing post (2) adopts identical material to make with watertight coating layer (4).
9. the coated enhancing structure of contact pin watertight according to claim 3, is characterized in that, adopts epoxy glue bonding between described contact pin (1) and described pin holes (401).
10. the coated enhancing structure of contact pin watertight according to claim 3, is characterized in that, the degree of depth of pin holes (401) is not less than 1mm; The diameter 0.1mm larger than contact pin of pin holes (401); The height of positioning step (402) is not less than 0.5mm, diameter 0.2 ~ 1mm less of contact pin, and the thickness of watertight coating layer (3) is 1 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908832.8A CN105552620A (en) | 2015-12-09 | 2015-12-09 | Pin watertight cladding enhancement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908832.8A CN105552620A (en) | 2015-12-09 | 2015-12-09 | Pin watertight cladding enhancement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105552620A true CN105552620A (en) | 2016-05-04 |
Family
ID=55831661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908832.8A Pending CN105552620A (en) | 2015-12-09 | 2015-12-09 | Pin watertight cladding enhancement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105552620A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2079071B (en) * | 1980-06-26 | 1985-01-23 | Itt | Socket connector |
| CN2821910Y (en) * | 2005-09-07 | 2006-09-27 | 叶笃海 | Power socket safety cover |
| CN101436723A (en) * | 2008-11-21 | 2009-05-20 | 深圳创维－Rgb电子有限公司 | Sealing off resistant hollow pin |
| CN102290660A (en) * | 2011-07-29 | 2011-12-21 | 华为技术有限公司 | Connector and electric equipment comprising same |
| CN102509943A (en) * | 2011-11-09 | 2012-06-20 | 成都欧迅海洋工程装备科技有限公司 | Watertight connector with skeleton-free structure |
| CN102544874A (en) * | 2012-03-02 | 2012-07-04 | 上海航天科工电器研究院有限公司 | Sealed cable connector |
| CN202333355U (en) * | 2011-12-08 | 2012-07-11 | 上海航天科工电器研究院有限公司 | Small high-voltage-resistant connector |
-
2015
- 2015-12-09 CN CN201510908832.8A patent/CN105552620A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2079071B (en) * | 1980-06-26 | 1985-01-23 | Itt | Socket connector |
| CN2821910Y (en) * | 2005-09-07 | 2006-09-27 | 叶笃海 | Power socket safety cover |
| CN101436723A (en) * | 2008-11-21 | 2009-05-20 | 深圳创维－Rgb电子有限公司 | Sealing off resistant hollow pin |
| CN102290660A (en) * | 2011-07-29 | 2011-12-21 | 华为技术有限公司 | Connector and electric equipment comprising same |
| CN102509943A (en) * | 2011-11-09 | 2012-06-20 | 成都欧迅海洋工程装备科技有限公司 | Watertight connector with skeleton-free structure |
| CN202333355U (en) * | 2011-12-08 | 2012-07-11 | 上海航天科工电器研究院有限公司 | Small high-voltage-resistant connector |
| CN102544874A (en) * | 2012-03-02 | 2012-07-04 | 上海航天科工电器研究院有限公司 | Sealed cable connector |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |