CN102044794B - Terminal seal structure - Google Patents
Terminal seal structure Download PDFInfo
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- CN102044794B CN102044794B CN200910197656.6A CN200910197656A CN102044794B CN 102044794 B CN102044794 B CN 102044794B CN 200910197656 A CN200910197656 A CN 200910197656A CN 102044794 B CN102044794 B CN 102044794B
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Abstract
The invention relates to the field of an electric connector, in particular to a seal assembly structure of a connecting terminal in an electric connector. The terminal seal structure comprises a terminal and an insulation shell, wherein the insulation shell is provided with a terminal channel for the terminal to pass through, the terminal is inserted into the terminal channel of the insulation shell in an interference fit mode, and the terminal channel is filled with sealant to seal the terminal in the insulation shell; the terminal channel is provided with a sealant-containing groove and a sealant-containing region, wherein the sealant-containing groove is formed in the terminal channel, the terminal can be protruded out of the upper part of the insulation shell by means of the sealant-containing groove, and the sealant-containing groove is used for containing the sealant from the terminal channel so as to prevent the terminal protruded out of the terminal channel from producing a capillary phenomenon; and the sealant-containing region is formed at the lower part of the terminal channel, and the sealant can flow into the terminal channel by means of the sealant-containing region so as to enhance the seal effect. The terminal seal structure provided by the invention improves the seal effect, prevents the sealant from climbing to the terminal part protruded out of the insulation shell and influencing the service performance of the electric connector, and simultaneously ensures the beautiful appearance of the terminal.
Description
[technical field]
The present invention relates to electric connector field, relate in particular to the sealing assembly structure of splicing ear in the electric connector.
[background technology]
Existing electric connector mainly comprises insulation shell and is entrenched in the splicing ear in the insulation shell that in order to realize the requirement of each side such as electric and machinery, splicing ear is entrenched in the insulation shell with the mode of sealing usually.
Existing splicing ear sealing means mainly comprises following three kinds: insert moulding (inserting-molding) sealing means, sealant pouring and sealing mode, and sealing ring sealing means.In above-mentioned three kinds of splicing ear sealing means, comparatively speaking, it is comparatively complicated to the structural requirement of plastic casing and mould to insert moulding (inserting-molding) sealing means, but sealing effectiveness is general; On splicing ear, add the sealing ring sealing means of sealing ring, sealing effectiveness is better relatively, but is used in some oil pressure wire harness occasions more; And splicing ear is carried out encapsulating to realize the sealant pouring and sealing mode of sealing, and be mainly used in the processing of stitch terminal, because manufacturing process is simple, good sealing effect, therefore, the sealing mode is in the industry cycle adopted widely.
Particularly, in common stitch terminal processing technology, owing to have the gap between splicing ear and the plastic casing, so sealing is poor, so, to being sealed with the field of high request, often to utilize the mode of encapsulating to reach the effect of sealing.Yet, in the prior art, the mode of terminal through forcing to insert; General combine closelyr with plastic parts, the gap between plastic cement and terminal becomes the passage of capillarity easily, and the glue viscosity is generally lower; Can penetrate the stitch part of terminal through these passages, What is more flows to the mating part of terminal, therefore; This phenomenon has not only influenced the outward appearance of electric connector, even can have influence on the function of electric connector.
[summary of the invention]
The technical problem of mentioning in view of the aforementioned technical background, at least one purpose of the present invention is to provide a kind of terminal sealing structure with high sealing effect.
Another purpose of the present invention is to provide a kind of terminal sealing structure; This terminal sealing structure can effectively stop the generation of capillarity on the terminal that stretches out insulation shell; Both stablize the serviceability of the electric connector that adopts this terminal sealing structure, guaranteed the good looking appearance of terminal again.
At least one technical scheme of the present invention is achieved in that a kind of terminal sealing structure; Comprise terminal and insulation shell; Insulation shell has the terminal channel that supplies terminal to pass through; Terminal inserts the terminal channel of insulation shell with the mode of interference fit, and irritating in the terminal channel has fluid sealant to realize the sealing of terminal in insulation shell; Terminal channel has glue groove and holds Jiao Qu, and wherein, glue groove is formed on the top that supplies terminal to stretch out insulation shell in the terminal channel, is used to hold fluid sealant from terminal channel to produce capillarity on the terminal that prevents the external part subchannel; And hold the bottom that Jiao Qu is formed on terminal channel, the inflow that is used for fluid sealant is to strengthen sealing effectiveness.
Particularly, insulation shell has upper surface, and glue groove is lower than the upper surface of insulation shell.
Wherein, glue groove is positioned at the both sides on terminal channel top, is opened in the outlet edge on the top of terminal channel.
Particularly, hold Jiao Qu, hold the outlet edge that Jiao Qu is opened in the bottom of terminal channel by terminal channel flaring and forming radially outward.
Further, terminal channel has the taper type structure, and wherein glue groove is formed on the less end of diameter in the taper type structure, is formed on the bigger end of diameter in the taper type structure and hold Jiao Qu.Simultaneously, be formed with overhead structure on the terminal, overhead structure thrusts in the inwall of insulation shell.
Wherein, it is tapered to hold the glue district, is positioned at the both sides of terminal channel bottom and is opened in the outlet edge of the bottom of terminal channel.
The present invention has following technique effect at least: terminal sealing structure provided by the invention; Be used to hold glue groove through offering from the fluid sealant of terminal channel on the top of the terminal channel of insulation shell; Thereby stoped on the terminal that stretches out insulation shell and produced capillarity; Both avoid fluid sealant to climb to and stretched out the terminal part of insulation shell, thereby influenced the serviceability of electric connector; Guaranteed the good looking appearance of terminal again.Simultaneously, terminal sealing structure provided by the invention is offered in the bottom of the terminal channel of insulation shell and to be held Jiao Qu, helps fluid sealant and flows in the terminal channel, thereby strengthen sealing effectiveness.
[description of drawings]
In order to let above and other objects of the present invention, characteristic and the advantage can be more obviously understandable, the present invention be described further below in conjunction with accompanying drawing and embodiment.
Fig. 1 is a kind of structural representation of the terminal sealing structure described in specific embodiment of the present invention;
Fig. 2 is the another kind of structural representation of the terminal sealing structure described in the above-mentioned specific embodiment of the present invention.
[embodiment]
Below be according to specific instantiation embodiment of the present invention to be described, those of ordinary skill in the art can understand structure of the present invention easily by the content that is disclosed in following examples, advantage and effect.
The present invention also can implement or use by other different instantiation, and each item details in this specification also can be based on different viewpoints and application, under the spirit of this creation, carries out various modifications and change not being contrary to.Moreover; Below the graphic signal that is simplification graphic; And basic conception of the present invention only is described in a schematic way; So only show the assembly relevant with the present invention in graphic but not component count, shape and plotted when implementing according to reality, kenel, quantity and the ratio of each assembly can be done random change during its actual enforcement, and its assembly layout kenel maybe be more complicated.
The present invention relates to the sealing means of splicing ear in insulation shell and concrete hermetically-sealed construction in the electric connector field.Below, will be that example is at length set forth the design concept of associated terminal hermetically-sealed construction among the present invention and explained with stitch terminal in the present technique field, certainly, terminal sealing structure provided by the invention not only is confined in the hermetically-sealed construction of stitch terminal.
See also Fig. 1-2, wherein, Fig. 1 has shown a kind of structural representation of the terminal sealing structure described in specific embodiment of the present invention; And the another kind of structural representation of Fig. 2 terminal sealing structure described in the same specific embodiment that is the present invention, wherein, Fig. 2 is the side schematic view of Fig. 1.
According to the present invention, as shown in Figure 1, shown a kind of terminal sealing structure that is applied in the electric connector.Electric connector comprises insulation shell 2 and is embedded the terminal 1 that in insulation shell 2, is used to be electrically connected.Particularly; As shown in Figure 1, have the terminal channel 20 that supplies terminal 1 to pass through in the insulation shell 2, wherein; Terminal 1 inserts in the terminal channel 20 of insulation shell 2 with the mode of interference fit, fluid sealant (not shown) is arranged to realize the sealing of terminal 1 in insulation shell 2 and irritate in the terminal channel 20.According to the present invention, in the terminal channel 20 of insulation shell 2, offer the glue groove 210 and appearance glue district 220 that are used to hold fluid sealant.Particularly, glue groove 210 is formed in the terminal channel 20 top that supplies terminal 1 to stretch out insulation shell 2, is used to hold fluid sealant from terminal channel 20 to produce capillarity on the terminal 1 that prevents external part subchannel 20; Appearance glue district 220 then is formed on the bottom of terminal channel 20, and the inflow that is used for fluid sealant is to strengthen sealing effectiveness.
Particularly, as shown in Figure 1, insulation shell 2 has upper surface 2a, and in terminal channel 20, the formation position of glue groove 210 is lower than the upper surface 2a of insulation shell 2.According to a particular embodiment of the invention, glue groove 210 is positioned at the both sides on terminal channel 20 tops, is opened in the outlet edge on the top of terminal channel 20.Like this; Because glue groove 210 is opened in the outlet edge on the top of terminal channel 20; Can be under the prerequisite that the terminal 1 in guaranteeing terminal channel 20 can be sealed by fluid sealant fully; Stop capillarity further to be expanded on terminal 1 part of the terminal channel 20 that stretches out insulation shell 2, thus terminal 1 part of both having avoided fluid sealant to climb to stretching out insulation shell 2, thus influence the serviceability of electric connector; Guaranteed the good looking appearance of terminal 1 again.Certainly, according to the present invention, glue groove 210 also can adopt other concrete structure and shape.For example, in another specific embodiment of the present invention, glue groove 210 can be in the form of a ring, and be opened in the outlet edge on the top of terminal channel 20.
According to the present invention, as depicted in figs. 1 and 2, hold glue district 220 by terminal channel 20 flaring and forming radially outward, hold the outlet edge that glue district 220 is opened in the bottom of terminal channel 20.Particularly, it is tapered to hold glue district 220, is positioned at the both sides of terminal channel 20 bottoms and is opened in the outlet edge of the bottom of terminal channel 20.Wherein, insulation shell 2 also has lower surface 2c, and the awl bottom branch in taper appearance glue district 220 is bordered in insulation shell 2 lower surface 2c, and the cone tip part branch is bordered in terminal channel 20.Like this; When terminal 1 is embedded in the terminal channel 20 at insulation shell 2,, is convenient to fluid sealant and flows into owing to have bigger gap between the awl bottom branch in taper appearance glue district 220 and the terminal 1; Thereby improved sealing effectiveness; Simultaneously, tighten up because the cone tip part in taper appearance glue district 220 divides with respect to bore the bottom to divide, it cooperates to form a small-sized appearance glue regional with the terminal 1 that is embedded in terminal channel 20; Holding the unnecessary fluid sealant that flows through terminal table wall through capillarity, thereby guaranteed the attractive in appearance and serviceability of electric connector.
Simultaneously, in specific embodiment of the present invention, the terminal channel 20 in the insulation shell 2 is the taper type structure, and wherein, glue groove 210 is formed on the less end of diameter in the taper type structure, is formed on the bigger end of diameter in the taper type structure and hold glue district 220.Further, in the present embodiment, be formed with overhead structure 10 on the terminal 1, overhead structure 10 thrusts among the inwall 2b of insulation shell 2.Thereby strengthen the fixed effect of terminal 1 at insulation shell 2.
Like this; The present invention offers glue groove 210 through the top at the terminal channel 20 of insulation shell 2; Hold fluid sealant from terminal channel 20; Produce capillarity thereby stoped on the terminal 1 that stretches out insulation shell 2, terminal 1 part of both having avoided fluid sealant to climb to stretching out insulation shell 2, thus influence the serviceability of electric connector; Guaranteed the good looking appearance of terminal 1 again.Simultaneously, the present invention holds glue district 220 through offering in the bottom of the terminal channel 20 of insulation shell 2, helps fluid sealant and flows in the terminal channel 20, thereby strengthen sealing effectiveness.
The embodiment of the invention described above only exemplary explanation principle of the present invention and effect thereof; But not be used to limit the present invention; Know and it will be understood by those skilled in the art that; Under situation without departing from the spirit and scope of the present invention, to any change that the present invention did with improve all within the scope of the invention.Rights protection scope of the present invention, should as the application claim defined is as the criterion.
Claims (7)
1. terminal sealing structure comprises:
Terminal; With
Insulation shell, said insulation shell have the terminal channel that supplies said terminal to pass through, and terminal inserts the terminal channel of insulation shell with the mode of interference fit, and irritating in the said terminal channel has fluid sealant to realize the sealing of terminal in said insulation shell; Wherein, said terminal channel has:
Glue groove; Said glue groove is formed on the top that supplies said terminal to stretch out said insulation shell in the said terminal channel; Be used to hold from the said fluid sealant of terminal channel to produce capillarity on the said terminal that prevents to stretch out said terminal channel; Wherein, said glue groove is opened in the outlet edge on the said top of said terminal channel; With
Hold Jiao Qu, said appearance Jiao Qu is formed on the bottom of said terminal channel, and the inflow that is used for said fluid sealant is to strengthen sealing effectiveness.
2. terminal sealing structure as claimed in claim 1, wherein:
Said insulation shell has upper surface, and said glue groove is lower than the said upper surface of said insulation shell.
3. terminal sealing structure as claimed in claim 1, wherein:
Said glue groove is positioned at the both sides on said terminal channel top.
4. terminal sealing structure as claimed in claim 1, wherein:
Said appearance Jiao Qu is by said terminal channel flaring and forming radially outward, and said appearance Jiao Qu is opened in the outlet edge of the said bottom of said terminal channel.
5. terminal sealing structure as claimed in claim 1, wherein:
Said terminal channel has the taper type structure, and wherein said glue groove is formed on the less end of diameter in the said taper type structure, and said appearance Jiao Qu is formed on the bigger end of diameter in the said taper type structure.
6. terminal sealing structure as claimed in claim 1, wherein:
Be formed with overhead structure on the said terminal, said overhead structure thrusts in the inwall of said insulation shell.
7. like claim 3 or 4 described terminal sealing structures, wherein:
Said appearance glue district is tapered, is positioned at the both sides of said terminal channel bottom and is opened in the outlet edge of the said bottom of said terminal channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910197656.6A CN102044794B (en) | 2009-10-21 | 2009-10-21 | Terminal seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910197656.6A CN102044794B (en) | 2009-10-21 | 2009-10-21 | Terminal seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102044794A CN102044794A (en) | 2011-05-04 |
| CN102044794B true CN102044794B (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910197656.6A Active CN102044794B (en) | 2009-10-21 | 2009-10-21 | Terminal seal structure |
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| CN (1) | CN102044794B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882704B (en) * | 2014-02-28 | 2017-03-15 | 凡甲电子(苏州)有限公司 | Electric connector and its assemble method |
| CN105762542B (en) * | 2014-12-17 | 2018-11-02 | 泰科电子(上海)有限公司 | Electric connector |
| JP7219018B2 (en) * | 2018-05-18 | 2023-02-07 | モレックス エルエルシー | Connectors, connector assemblies, and circuit devices |
| DE102019107516B4 (en) * | 2018-06-20 | 2024-02-08 | Hanon Systems | Sealing arrangement for a device for driving a compressor and device for driving a compressor as well as method for assembling the device and using the device |
| CN112636057B (en) * | 2020-11-30 | 2022-03-29 | 中航光电科技股份有限公司 | Bending connector and contact element thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619796A (en) * | 2003-11-19 | 2005-05-25 | 株式会社丰田自动织机 | Semiconductor device |
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2009
- 2009-10-21 CN CN200910197656.6A patent/CN102044794B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619796A (en) * | 2003-11-19 | 2005-05-25 | 株式会社丰田自动织机 | Semiconductor device |
Non-Patent Citations (2)
| Title |
|---|
| JP昭58-121652A 1983.07.20 |
| JP特開2003-100959A 2003.04.04 |
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| Publication number | Publication date |
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| CN102044794A (en) | 2011-05-04 |
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