CN201556773U - Electric connector and sealing ring thereof - Google Patents
Electric connector and sealing ring thereof Download PDFInfo
- Publication number
- CN201556773U CN201556773U CN2009202829470U CN200920282947U CN201556773U CN 201556773 U CN201556773 U CN 201556773U CN 2009202829470 U CN2009202829470 U CN 2009202829470U CN 200920282947 U CN200920282947 U CN 200920282947U CN 201556773 U CN201556773 U CN 201556773U
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- Prior art keywords
- accommodation space
- plug
- taper
- electric connector
- grid member
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Abstract
The utility model relates to an electric connector which comprises a shell, a sealing ring and a grating part, wherein the upper section of the shell is provided with a joint part, and the lower part thereof is connected with a containing space provided with an opening at the bottom and a conical peripheral inner wall at the top; the sealing ring consists of an insertion part which is sheathed at the containing space and provided with a conical peripheral outer wall, and the grating part is sheathed in the containing part; and when the grating part and the containing space of the shell are locked, the insertion part is subjected to the pushing of the grating part so as to lead the conical peripheral outer wall propping against the conical peripheral inner wall to be compressed and deformed and closely attached to the conical peripheral inner wall, thus forming sealing effect.
Description
Technical field
The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector with sealing function, is specifically related to a kind of sealing ring that is used for electric connector.
Background technology
By electric connector finding is arranged in electric equipment products, its main application is the conduction of power supply or signal more, and therefore, electric connector has been widely used for the connection of information products, and is indispensable member.
In fact, the utilization of electric connector not only is aforesaid electric equipment products, and it also is widely used in the Circuits System of steam turbine car, with the connection as circuit.Because vapour, locomotive must travel under various weathers, so that have foreign matter unavoidably in the car body, for example liquid and dust enters.Therefore, if electric connector does not have the setting of hermetically-sealed construction, then aforementioned foreign matter can enter electric connector inside, makes it can't normal operation.
Promptly the electric connector that uses with vapour, locomotive is example, for forming sealing effectiveness, this electric connector needs to be provided with a plug between housing and sheathed grid member, this plug periphery is dashed forward and is established at least one peripheral flange, this flange is configured to engage hermetically with the housing circumferential inner surface, make foreign matters such as liquid and dust unlikely, and enter in the electric connector by this plug.This plug is axially offered a plurality of channels that run through, and has the ring-type inboard lip in each channel, so that the lead by channel is formed independent sealing.And the peripheral flange of this plug and the formed circumferential seal of housing circumferential inner surface that is after this peripheral flange pushed by inner walls, often make channel deformation, and make circumferential seal and sealing separately influence each other, and unfavorablely form best sealing effectiveness.
Based on aforementioned disappearance, for example Chinese patent discloses CN 101176239A (corresponding to the international WO2006/108442 patent case that discloses of WIPO) and promptly discloses a kind of ring type (grommet) joint that is used for electric connector, this joint comprises a plug, its periphery is dashed forward and is established at least one peripheral flange, this flange is axially outstanding backward by this plug rear side, so that the contact area of this flange and electric connector housing circumferential inner surface has skew at least in part along this axial direction with respect to rear side.Wherein, this plug is a hexahedron, and axially outstanding wedge-shaped bead is pushed down by a circumferentially prominent inclined-plane of establishing, grid member the place ahead that is sheathed on housing rear opening after the side direction thereafter, makes this flange distortion, engages hermetically with the housing circumferential inner surface and form.This measure no doubt can make circumferential seal and seal unlikely influencing each other separately, and has preferable sealing effectiveness.
Aforementioned patent significantly disappearance is, because of the flange of plug is thinner, and damaged easily, and this flange must push the back via grid member and produce distortion, and sealing effectiveness is just arranged.Therefore, how looking for another way, further simplify the hermetically-sealed construction of sealing circle, is the problem that relevant dealer faces jointly.
Summary of the invention
The utility model main purpose is to provide a kind of electric connector, the plug of this electric connector inner seal rings is via particular design, can increase the contact range of the side face inwall of plug and housing accommodation space, even further form the multi-sealed effect between this plug and enclosure interior.
For reaching aforesaid purpose, the technological means that the utility model is taked provides a kind of electric connector, and it comprises:
One housing, its epimere has a junction surface, this below, junction surface one connects a skirt section, be provided with an accommodation space in this group portion, this junction surface axially offer one or more than be communicated in the terminal groove of accommodation space, each terminal groove is ccontaining for terminal, and each terminal has the lead of extension, and wherein this accommodation space top is provided with a taper side face inwall;
One elastic seal ring, it comprises that one is sheathed on the plug of accommodation space, this plug has a taper peripheral outer wall, and the through hole that passes through for lead is offered in axially corresponding each the terminal groove position of this plug; And
One insulation grid member is to be sheathed in the accommodation space, and the corresponding lead to the hole site of this grid member end face is provided with or the above perforation that passes for lead;
When the accommodation space of grid member and housing formed locking, this plug was subjected to pushing of grid member, makes the taper peripheral outer wall crimp that is connected to this taper side face inwall, and is close to this taper side face inwall.
Another technological means that the utility model is taked provides a kind of electric connector, and it comprises:
One housing, its epimere has a junction surface, this below, junction surface one connects a skirt section, be provided with an accommodation space in this group portion, this junction surface axially offer one or more than be communicated in the terminal groove of accommodation space, each terminal groove is ccontaining for terminal, and each terminal has the lead of extension, and wherein this accommodation space top is provided with a taper side face inwall;
One elastic seal ring, it comprises that one is sheathed on the plug of accommodation space, this plug has a taper peripheral outer wall, and the through hole that passes through for lead is offered in axially corresponding each the terminal groove position of this plug; And
One insulation grid member is to be sheathed in the accommodation space, and the corresponding lead to the hole site of this grid member end face is provided with or the above perforation that passes for lead;
When the accommodation space of grid member and housing formed locking, this plug was subjected to pushing of grid member, makes the taper peripheral outer wall compression that is connected to this taper side face inwall, and is close to this taper side face inwall.
Another purpose of the utility model is to provide a kind of sealing ring that is used for electric connector, the plug of sealing circle is via particular design, can increase the contact range of the side face inwall of plug and housing accommodation space, even further form the multi-sealed effect between this plug and enclosure interior.
For further disclosing concrete technology contents of the present utility model, at first see also graphic, wherein, Fig. 1 a and Fig. 1 b are the three-dimensional exploded view at the utility model electric connector first embodiment two different visual angles, Fig. 2 is the stereogram after the utility model electric connector first embodiment assembling, Fig. 3 a and Fig. 3 b are the grid member non-locking of the utility model electric connector first embodiment and locked in two profiles of housing, Fig. 4 is the three-dimensional exploded view of the utility model electric connector second embodiment, Fig. 5 is the profile after the utility model electric connector second embodiment assembling, Fig. 6 is the three-dimensional exploded view of the utility model electric connector the 3rd embodiment, and Fig. 7 a and Fig. 7 b are the grid member non-locking of the utility model electric connector the 3rd embodiment and locked in two profiles of housing.
Beneficial effect: the hermetically-sealed construction of electric connector inner seal rings of the present utility model is directly to be located at this plug taper peripheral outer wall, or at least one circumferential fin is set at this taper peripheral outer wall ring, perhaps the taper inner circumferential wall ring at the inner accommodation space end face of electric connector housing is provided with modes such as at least one peripheral flange, except that the contact range of the side face inwall that increases plug and housing accommodation space, even can further form multi-sealed effect between this plug and enclosure interior.Moreover, this plug is except that having the function that seals separately with lead, pushing in addition by this plug taper peripheral outer wall and housing accommodation space interior tapered inner circumferential wall, make this plug taper peripheral outer wall compression, and be close to the accommodation space inner circumferential wall, form the joint effect of circumferential seal according to this, can be rated as a ware big good structure not seen before.
Description of drawings
Fig. 1 a and Fig. 1 b are the three-dimensional exploded view at the utility model electric connector first embodiment two different visual angles.
Fig. 2 is the stereogram after the utility model electric connector first embodiment assembling.
Fig. 3 a and Fig. 3 b are the grid member non-locking of the utility model electric connector first embodiment and locked in two profiles of housing.
Fig. 4 is the three-dimensional exploded view of the utility model electric connector second embodiment.
Fig. 5 is the profile after the utility model electric connector second embodiment assembling.
Fig. 6 is the three-dimensional exploded view of the utility model electric connector the 3rd embodiment.
Fig. 7 a and Fig. 7 b are the grid member non-locking of the utility model electric connector the 3rd embodiment and locked in two profiles of housing.
[primary clustering symbol description]
Housing 1 junction surface 11
Skirt section 12 accommodation spaces 121
Catching groove 16 peripheral flange 17
Taper peripheral outer wall 22 circumferential fins 23
Through hole 24 inboard lip 25
Taper recess 26
32 perforation 33 of taper projection
Embodiment
Embodiment 1:
Shown in Fig. 1 a to Fig. 3 b, basically, first embodiment of electric connector of the present utility model is by a housing 1, one sealing ring 2, and a grid member 3 is formed.
Wherein, housing 1 is by insulating material, and for example plastics are made, its epimere has a junction surface 11, this bigger skirt section 12 of 11 below one sizes for connection, junction surface, these 12 inside, skirt section are provided with an accommodation space 121, so that chat the ccontaining of sealing ring 2 and grid member 3 and locking after supplying.These junction surface 11 usefulness are for the butt joint of another electric connector, therefore, this junction surface 11 axially offer one or more than be communicated in the terminal groove 13 of accommodation space 121, its be for terminal 14 ccontaining with the location after, the lead 141 of each terminal 14 is passed by sealing circle 2 and grid member 3.In addition, these accommodation space 121 tops are provided with a taper side face inwall 15, so that engage with the taper peripheral outer wall of the same tilt angle of sealing ring 2 corresponding settings.
For avoiding grid member 3 axially to be deviate from by skirt section 12 bottom ports of housing 1, so be provided with a locking mechanism between the two, for example the 12 liang of relative walls in skirt section are offered catching groove 16, the then prominent protrusion 31 of establishing the tool inclined-plane of 3 liang of relative outer walls of grid member.When this is snapped in the catching groove 16 to protrusion 31, promptly form the lock-out state shown in Fig. 3 b.
Moreover these plug 21 corresponding each terminal groove 13 position axis are to the through hole 24 of offering perforation.As shown in Figure 3, have in each through hole 24 one or more than, the annular inboard lip 25 of a pair of axially spaced-apart for example, therefore, each this existence of through hole 24 internal causes, and define two deformable narrow to inboard lip 25.So in use, each inboard lip 25 is and lead 141 sealed engagement of passing through through hole 24, thereby seals separately in the inside that aforesaid narrow forms on the lead 141.
Preferred mode is that these plug 21 bottom surfaces have a taper recess 26, so that engage with the corresponding prominent taper projection of establishing 32 with size of these grid member 3 end face appearance.
In addition, this grid member 3 has a pair of fin 34 of the further downward extension of a pair of outer wall of protrusion 31; When pushing this, can make protrusion 31 and catching groove 16 break away from, and then form release fin 34.
See also Fig. 3 a, when the utility model first embodiment assembles, at first sealing ring 2 is inserted in the accommodation space 121 of housing 1 bottom, makes the circumferential fin 23 in three roads of these plug 21 taper peripheral outer wall 22 upper, middle and lowers be adjacent to this accommodation space 121 top taper side face inwalls 15 respectively.Then, grid member 3 is inserted in the accommodation space 121 of housing 1 bottom, makes the taper projection 32 of its end face be inserted in the taper recess 26 of these plug 21 bottom surfaces.At this moment, because of protrusion 31 is not snapped in catching groove 16 as yet, so the circumferential fin 23 in the three roads not compression as yet of these plug 21 taper side face outer walls 22.
See also Fig. 3 b, continue at last to grid member 3 application of forces, protrusion 31 is snapped in the catching groove 16, and plug 21 is subjected to the application of force effect of grid member 3, allow circumferential fin 23 compressions that are connected to this taper side face inwall 15, thereby make these plug connector 21 taper peripheral outer wall 22 upper, middle and lower portions be close to the taper side face inwall 15 of accommodation space 121 respectively, and then form triple circumferential seal effects.
Embodiment 2:
As shown in Figure 4, second embodiment of electric connector of the present utility model is also by a housing 1, one sealing ring 2, and a grid member 3 is formed.
Wherein, the structure of this housing 1 and grid member 3 is identical with first embodiment, does not intend giving unnecessary details at this.
And differing from first embodiment, sealing circle 2 is, the setting of the taper peripheral outer wall 22 no circumferential fins of this plug connector 21, and present smooth inclined plane.As shown in Figure 5, this plug 21 is subjected to the application of force effect of grid member 3, allow taper peripheral outer wall 22 crimps that are connected to this taper side face inwall 15, make this taper peripheral outer wall 22 be close to the taper side face inwall 15 of accommodation space 121, and then form the circumferential seal effect that strengthens contact range.
Embodiment 3:
As shown in Figure 6, the 3rd embodiment of electric connector of the present utility model is also by a housing 1, one sealing ring 2, and a grid member 3 is formed.
Wherein, the structure of sealing circle 2 and grid member 3 is identical with second embodiment, does not intend giving unnecessary details at this.
And differing from first embodiment, this housing 1 is that taper side face inwall 15 surfaces of this accommodation space 12 are provided with at least one peripheral flange 17.As shown in the figure, these inner circumferential wall 15 surperficial upper, middle and lower positions respectively are provided with a peripheral flange 17, and present the step shape kenel, so that form the three seals functions with the taper side face outer wall 22 of aforementioned plug 21.
See also Fig. 7 a, when the utility model the 3rd embodiment assembles, at first sealing ring 2 is inserted in the accommodation space 121 of housing 1 bottom, makes these plug 21 taper peripheral outer wall 22 be adjacent to three road peripheral flange 17 of these accommodation space 121 top taper side face inwalls 15.Then, grid member 3 is inserted in the accommodation space 121 of housing 1 bottom, makes the taper projection 32 of its end face be inserted in the taper recess 26 of these plug 21 bottom surfaces.At this moment, because of protrusion 31 is not snapped in catching groove 16 as yet, so these plug 21 taper side face outer walls 22 are not as yet by three road peripheral flange, 17 compressions of this taper side face inwall 15.
See also Fig. 7 b, continue at last to grid member 3 application of forces, protrusion 31 is snapped in the catching groove 16, and plug 21 is subjected to the application of force effect of grid member 3, allow the taper side face outer wall 22 that is connected to three road peripheral flange 17 produce compression, thereby make these plug connector 21 taper peripheral outer wall 22 upper, middle and lower portions be close to the taper side face inwall 15 of accommodation space 121 respectively, and then form triple circumferential seal effects.
Although embodiment of the present utility model has been given to describe in detail and explanation above with reference to accompanying drawing; but what should indicate is; those skilled in the art can carry out various equivalences to above-mentioned execution mode according to conception of the present utility model and change and modification; when the function that it produced does not exceed spiritual that specification contains yet, all should be within protection range of the present utility model.
Claims (12)
1. electric connector is characterized in that it comprises:
One housing, its epimere has a junction surface, this below, junction surface one connects a skirt section, be provided with an accommodation space in this group portion, this junction surface axially offer one or more than be communicated in the terminal groove of accommodation space, each terminal groove is ccontaining for terminal, and each terminal has the lead of extension, and wherein this accommodation space top is provided with a taper side face inwall;
One elastic seal ring, it comprises that one is sheathed on the plug of accommodation space, this plug has a taper peripheral outer wall, and the through hole that passes through for lead is offered in axially corresponding each the terminal groove position of this plug; And
One insulation grid member is to be sheathed in the accommodation space, and the corresponding lead to the hole site of this grid member end face is provided with or the above perforation that passes for lead;
When the accommodation space of grid member and housing formed locking, this plug was subjected to pushing of grid member, makes the taper peripheral outer wall crimp that is connected to this taper side face inwall, and is close to this taper side face inwall.
2. electric connector according to claim 1, it is characterized in that this plug taper peripheral outer wall surface ring is provided with at least one circumferential fin, when the accommodation space of grid member and housing forms locking, this plug is subjected to pushing of grid member, make the circumferential fin compression that is connected to this taper side face inwall, and be close to this taper side face inwall.
3. electric connector according to claim 1 is characterized in that this plug bottom surface has a recess, establishes a projection and this grid member end face is prominent, and this projection is to be engaged in this recess.
4. electric connector according to claim 1 is characterized in that having in each through hole one or above annular inboard lip, and then defines at least one deformable narrow in through hole.
5. according to any described electric connector in the claim 1 to 4, it is characterized in that being provided with a locking mechanism between the accommodation space of this housing and grid member, this locking mechanism is to offer catching groove at the accommodation space outer wall of this housing, and corresponding each the catching groove position of this grid member is provided with protrusion; In protrusion is snapped in catching groove, promptly form lock-out state.
6. electric connector is characterized in that it comprises:
One housing, its epimere has a junction surface, this below, junction surface one connects a skirt section, be provided with an accommodation space in this group portion, this junction surface axially offer one or more than be communicated in the terminal groove of accommodation space, each terminal groove is ccontaining for terminal, and each terminal has the lead of extension, and wherein this accommodation space top is provided with a taper side face inwall;
One elastic seal ring, it comprises that one is sheathed on the plug of accommodation space, this plug has a taper peripheral outer wall, and the through hole that passes through for lead is offered in axially corresponding each the terminal groove position of this plug; And
One insulation grid member is to be sheathed in the accommodation space, and the corresponding lead to the hole site of this grid member end face is provided with or the above perforation that passes for lead;
When the accommodation space of grid member and housing formed locking, this plug was subjected to pushing of grid member, makes the taper peripheral outer wall compression that is connected to this taper side face inwall, and is close to this taper side face inwall.
7. electric connector according to claim 6 is characterized in that the taper side face inner wall surface of this accommodation space is provided with at least one peripheral flange.
8. electric connector according to claim 6 is characterized in that this plug bottom surface has a recess, establishes a projection and this grid member end face is prominent, and this projection is to be engaged in this recess.
9. electric connector according to claim 6 is characterized in that having in each through hole one or above annular inboard lip, and then defines at least one deformable narrow in through hole.
10. according to any described electric connector in the claim 6 to 9, it is characterized in that being provided with a locking mechanism between the accommodation space of this housing and grid member, this locking mechanism is to offer catching groove at the accommodation space outer wall of this housing, and corresponding each the catching groove position of this grid member is provided with protrusion; In protrusion is snapped in catching groove, promptly form lock-out state.
11. a sealing ring that is used for electric connector is characterized in that it is made by elastomeric material, it comprises:
One plug, it has a taper peripheral outer wall, and the bottom surface has a recess, and this plug is axially offered or the above through hole that passes through for lead; And at least one circumferential fin, be to be located on this taper peripheral outer wall; The circumferential fin of this taper peripheral outer wall is adjacent to the corresponding taper inner circumferential wall that is provided with of the inner accommodation space end face of electric connector housing, should circumferential fin compression after, be the taper inner circumferential wall of being close to this accommodation space.
12. the sealing ring that is used for electric connector according to claim 11 is characterized in that having in each through hole one or above annular inboard lip, and then defines at least one deformable narrow in through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202829470U CN201556773U (en) | 2009-12-22 | 2009-12-22 | Electric connector and sealing ring thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202829470U CN201556773U (en) | 2009-12-22 | 2009-12-22 | Electric connector and sealing ring thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201556773U true CN201556773U (en) | 2010-08-18 |
Family
ID=42616462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202829470U Expired - Lifetime CN201556773U (en) | 2009-12-22 | 2009-12-22 | Electric connector and sealing ring thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201556773U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110998980A (en) * | 2017-08-01 | 2020-04-10 | 德尔福技术有限公司 | Connector assembly and seal |
| CN111146642A (en) * | 2018-11-02 | 2020-05-12 | 矢崎总业株式会社 | Connector with a locking member |
| EP3622588B1 (en) | 2017-05-08 | 2023-11-29 | LEONI Bordnetz-Systeme GmbH | Method for assembling a plug on a multi-core sheathed cable, and electrical plug |
-
2009
- 2009-12-22 CN CN2009202829470U patent/CN201556773U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3622588B1 (en) | 2017-05-08 | 2023-11-29 | LEONI Bordnetz-Systeme GmbH | Method for assembling a plug on a multi-core sheathed cable, and electrical plug |
| CN110998980A (en) * | 2017-08-01 | 2020-04-10 | 德尔福技术有限公司 | Connector assembly and seal |
| CN110998980B (en) * | 2017-08-01 | 2021-04-09 | 德尔福技术有限公司 | Connector assembly and seal |
| CN111146642A (en) * | 2018-11-02 | 2020-05-12 | 矢崎总业株式会社 | Connector with a locking member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100818 |