CN212908280U - A kind of interface unit - Google Patents
A kind of interface unit Download PDFInfo
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- CN212908280U CN212908280U CN202021856644.8U CN202021856644U CN212908280U CN 212908280 U CN212908280 U CN 212908280U CN 202021856644 U CN202021856644 U CN 202021856644U CN 212908280 U CN212908280 U CN 212908280U
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- connector
- elastic sealing
- sealing gasket
- contact
- elastic
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Abstract
The utility model relates to a connector, which comprises a shell, wherein the front end of the shell is provided with a splicing cavity, and a contact element extending forwards and backwards is arranged in the splicing cavity; the connector also comprises an elastic sealing gasket arranged in the plugging cavity, and the elastic sealing gasket is in sealing fit with the inner wall of the plugging cavity; an inner annular supporting surface used for supporting the elastic sealing gasket forwards is arranged in the shell, and the elastic sealing gasket comprises a sealing surface used for being in press fit with the top of the front end of the adaptive connector to realize sealing; the contact piece penetrates through the contact piece penetrating hole of the elastic sealing gasket, and the contact piece is in sealing fit with the contact piece penetrating hole. The utility model discloses an elastic sealing gasket realizes multiple sealed function simultaneously, and elastic sealing gasket formula structure as an organic whole moreover is more convenient during processing, manufacturing, installation. In addition, the elastic sealing gasket is assembled at the inserting front end of the connector, so that the whole connector is exposed, and the detection and the repair are more convenient.
Description
Technical Field
The utility model relates to a connector.
Background
Cabinet I/O interface connectors generally require a certain level of waterproof and dustproof performance, and a common sealing structure generally includes a plug-in end sealing portion and a connector inner sealing portion. As shown in fig. 1, the connector includes a housing 11, and a plug cavity is formed in a front end of the housing 11 and has a contact 14 therein. The inserting end sealing part comprises a shell sealing groove 12 formed in the inner wall of the inserting cavity, a rubber gasket 13 is installed in the shell sealing groove 12, the length of the groove wall on the rear side of the shell sealing groove 12 is large, an annular supporting surface capable of supporting the rubber gasket 13 forward is formed, and the rubber gasket 13 is installed in the shell sealing groove 12 in a sealing mode. During the use, the casing terminal surface of adaptation connector inserts the grafting intracavity, extrudees cushion 13, makes between cushion 13 and the casing seal groove 12 and cushion 13 and adaptation connector's casing terminal surface closely laminate to realize the sealed of connector plug-in connection end. The inner sealing part of the connector comprises an insulator 15, a wire sealing body 16 and an insulating pressing plate 17 which are sequentially arranged from front to back, and a contact 14 penetrates through the insulator 15, the wire sealing body 16 and the insulating pressing plate 17. The wire sealing body 16 is positioned between the insulator 15 and the insulating pressing plate 17, and deformation is generated by extrusion of the insulator 15 and the insulating pressing plate 17, so that the wire sealing body 16 is tightly attached to the contact element 14 and the shell sealing section 18, and the interior of a product is sealed.
Although the connector in the prior art can realize the sealing inside the connector and the sealing after insertion, the types and the number of parts for realizing the sealing are more, and the product structure is relatively complex; the assembly between the sealing parts in the connector and the shell can be completed by means of special tools; and still have a problem that can't carry out the visual detection after the assembly of the wire sealing body, must judge whether it assembles in place with the help of special airtight check out test set, and the product is reworked and is maintained comparatively difficultly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connector to solve the technical problem that the sealing part structure in the connector is complicated among the prior art.
In order to achieve the above object, the technical solution of the connector of the present invention is: a connector, comprising:
the front end of the shell is provided with an inserting cavity, and a contact element extending forwards and backwards is arranged in the shell;
the connector further includes:
the elastic sealing gasket is arranged in the inserting cavity and is in sealing fit with the inner wall of the inserting cavity;
an inner annular supporting surface used for supporting the elastic sealing gasket forwards is arranged in the shell, and the elastic sealing gasket comprises a sealing surface used for being in press fit with the top of the front end of the adaptive connector to realize sealing;
the contact piece penetrates through the contact piece penetrating hole of the elastic sealing gasket, and the contact piece is in sealing fit with the contact piece penetrating hole.
The utility model has the advantages that: the sealing of the contact part and the inside of the shell is realized through one elastic sealing gasket, and meanwhile, the elastic sealing gasket can be extruded by the front end of the adaptive connector to realize end face sealing when in use. Compare with the sealed form separately arranged of connector, adapter connector's sealed and connector inside among the prior art, the utility model discloses an elastic sealing pad realizes multiple sealed function simultaneously, and elastic sealing pad formula structure as an organic whole is more convenient during processing, manufacturing, installation moreover. In addition, the elastic sealing gasket is assembled at the inserting front end of the connector, so that the whole connector is exposed, the detection and the repair are convenient, the limitation of the sealing element on the internal structure of the connector is reduced, and the promotion effect of increasing the overall performance of a product is improved.
As a further preferred solution, the elastic sealing gasket comprises a thickened portion, on which the contact piece is provided with a through-hole.
The effect of this scheme lies in, the fenestrate length that can increase the contact on the thickening part of contact perforation, and the sealed complex length with the contact is bigger in the elastic sealing pad, has increased the contact perforation and to the cramping force of contact, further improves sealing performance. In addition, the contact piece is only locally thickened at the position of the through hole of the contact piece, the whole material is less, and the cost is saved.
As a further preferable mode, the elastic sealing gasket includes a boss on the front side, the thickened portion is formed at the boss of the elastic sealing gasket, and the contact penetration hole penetrates through the boss.
The effect of this scheme lies in, comes to thicken elastic sealing pad through arranging the boss in the front side, adds man-hour more convenient.
As a further optimized scheme, at least two contact pieces are arranged, and the elastic sealing gasket comprises at least two bosses which correspond to the contact pieces one by one.
As a further optimized scheme, the elastic sealing gasket comprises an annular convex rib arranged on the periphery, and the annular convex rib is extruded and deformed during assembly so as to be in sealing fit with the inner wall of the plug cavity.
The effect of this scheme lies in, realizes the sealed cooperation of elastic sealing pad and grafting intracavity wall through the protruding muscle of annular, and the whole swell that appears easily when avoiding the whole and the cooperation of grafting intracavity wall of elastic sealing pad outline, the uneven problem of distortion, it is also more convenient to install.
As a further optimized scheme, at least two annular convex ribs are arranged at intervals along the thickness direction of the elastic sealing gasket.
The effect of this scheme lies in, through setting up the protruding muscle of multichannel annular, can further improve sealing performance.
As a further optimized scheme, a ring groove is arranged on the inner wall of the inserting cavity and attached to the front side of the inner annular supporting surface, and the elastic sealing gasket is embedded in the ring groove;
the resilient gasket includes a thickened rim.
The effect of this scheme lies in, can carry on spacingly to the elastic sealing pad through setting up the annular, and the elastic sealing pad has the thickening edge, can take place certain elastic deformation after in the embedding annular, and have certain sealed between the cell wall with the annular.
As a further optimized scheme, an insulator is fixedly arranged in the inserting cavity behind the elastic sealing gasket, one of the insulator and the rear end of the elastic sealing gasket is provided with a positioning protrusion, and the other is provided with a positioning groove which is inserted with the positioning protrusion in a matched manner.
The effect of this scheme lies in, through the protruding adaptation cartridge with positioning groove in location, can fix the position of the perpendicular to thickness direction of the sealed pad of elasticity, improves sealed stability.
Drawings
FIG. 1 is a schematic view of a prior art connector;
fig. 2 is a schematic view of embodiment 1 of the connector of the present invention;
FIG. 3 is a front view of the rubber mat of FIG. 2;
FIG. 4 is a left side view of the rubber pad of FIG. 2;
description of reference numerals: 11-a housing; 12-housing seal groove; 13-a rubber mat; 14-a contact; 15-an insulator; 16-a wire sealing body; 17-an insulating platen; 18-a housing seal section; 21-a housing; 22-a plug cavity; 23-inner annular support surface; 24-rubber cushion mounting groove; 25-a rubber mat; 26-a boss; 27-contact piercing; 28-a contact; 29-an insulator; 210-a positioning groove; 211-positioning projections; 212-annular bead.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses a concrete embodiment 1 of connector:
as shown in fig. 2 to 4, the connector uses the end plugged with the adapter connector as the front end, and the connector includes a housing 21, the front end of the housing 21 has a plugging cavity 22, and the inner wall of the plugging cavity 22 is stepped to form a forward inner annular support surface 23. Also in the housing 21 are contacts 28 extending in the front and rear direction, in which a resilient sealing gasket is arranged in the plug-in chamber 22 for sealing the front end of the connector.
The elastic sealing pad is a rubber pad 25, the structure of the rubber pad 25 is shown in fig. 3 and 4, the rubber pad 25 is circular, and of course, in other embodiments, the external shape of the rubber pad may be changed according to the shape of the plugging chamber 22. The rubber pad 25 includes two circular bosses 26 located on the front side, contact through holes 27 penetrating the rubber pad 25 are respectively opened in the two bosses 26, and the contact through holes 27 are penetrated by the contacts 28. The rubber pad 25 at the boss 26 is thicker, and after the contact through hole 27 is formed at the position, the length of the through hole can be increased, and the clamping force on the contact 28 is increased. The rubber mat 25 further includes two annular ribs 212 located on the outer periphery, and the two annular ribs 212 are arranged at intervals in the thickness direction of the rubber mat 25. Of course, in other embodiments, the number of the annular ribs can be increased or decreased according to actual needs. The annular convex rib 212 is in sealing fit with the inner wall of the plug-in cavity 22, so that sealing is realized, and the conditions that the whole outer contour of the rubber mat 25 is in interference fit with the inner wall of the plug-in cavity 22, the whole rubber mat outlet line is bulged, the rubber mat outlet line is not twisted and the like are avoided.
In order to install the rubber pad 25, as shown in fig. 2, a rubber pad installation groove 24 is formed in the inner wall of the insertion cavity 22 and attached to the inner annular supporting surface 23, the rubber pad installation groove 24 is an annular groove, the rubber pad 25 is installed in the annular groove, and the annular convex rib 212 on the rubber pad 25 is in interference fit with the groove bottom of the rubber pad installation groove 24 to achieve sealing. The contact element 28 is hermetically penetrated through the contact element through hole 27, and the contact element 28 is in interference fit with the contact element through hole 27 and sealed by means of elastic deformation of the rubber gasket 25.
As shown in fig. 2, in order to increase the sealing performance between the rubber pad 25 and the rubber pad installation groove 24, the thickness of the periphery of the rubber pad 25 is greater than the thickness of the other positions (except the boss 26), and a thickened edge is formed at the periphery of the rubber pad 25. The insulator 29 is further fixed in the inserting cavity 22, the insulator 29 is located behind the rubber mat 25 and can support the rubber mat 25, in order to locate the rubber mat 25, a locating protrusion 211 is arranged behind the rubber mat 25, a locating groove 210 is arranged at the front end of the insulator 29, the locating groove 210 and the locating protrusion 211 can be matched and inserted, the position of the rubber mat 25 is located, and stability of a sealing function is improved.
In this embodiment, the aperture of the contact through hole 27 is smaller than the outer diameter of the contact 28, and when the contact 28 penetrates into the contact through hole 27, the two are in interference fit to achieve sealing. Of course, in other embodiments, the aperture of the contact perforation may be smaller, sealing with the contact by elastic deformation.
The utility model discloses in, cushion 25 and contact 28 cooperation, the inside sealed of connector is realized to the cooperation of the protruding muscle of annular 212 and the inner wall in grafting chamber 22, no matter whether use, and connector self can realize sealed, waterproof dustproof. When the connector is used, the adaptive connector is inserted into the plug cavity 22, the end face of the adaptive connector is matched with the inner annular supporting surface 23 to extrude the rubber gasket 25, and sealing between the connector and the adaptive connector is achieved. And the portion of the rubber pad 25 that mates with the end face of the mating connector forms a sealing surface of the rubber pad 25. The utility model discloses in, with the inside sealed integration of connector and connector, adapter connector on cushion 25, cushion 25 formula as an organic whole's structure no matter is processing, manufacturing or the installation all comparatively convenient, and cushion 25 installs and accomplishes the back whole and exposes moreover, conveniently carries out product detection and reprocesses.
In the present embodiment, the portion of the rubber pad 25 provided with the boss 26 forms a thickened portion, and the number of the thickened portions is determined according to the number of the contacts, and in other embodiments, there is a thickened portion corresponding to each contact.
The utility model discloses embodiment 2 of connector:
in embodiment 1, the elastic sealing pad has a positioning protrusion on the rear side and a positioning groove on the insulator. In this embodiment, the elastic sealing pad is provided with a positioning groove, and the insulator is provided with a positioning protrusion. Alternatively, in other embodiments, the positioning projection and the positioning groove may be eliminated altogether.
The utility model discloses embodiment 3 of connector:
in example 1, the thickening of the elastic seal was achieved by a boss on the front side of the elastic seal. In this embodiment, after locating protrusion and locating groove no longer set up on the elastic sealing gasket, can establish the boss and come to thicken the elastic sealing gasket at the rear side of elastic sealing gasket.
The utility model discloses embodiment 4 of connector:
in embodiment 1, the elastic sealing gasket is in sealing fit with the inner wall of the plug cavity through the annular convex rib on the outer periphery. In this embodiment, the annular rib is eliminated, and the outer peripheral surface of the elastic sealing gasket is directly in sealing fit with the inner wall of the plugging cavity, but although the embodiment can also realize the fit with the inner wall of the plugging cavity, compared with embodiment 1, the assembly is inconvenient, but the embodiment can still be used.
The utility model discloses embodiment 5 of connector:
in the embodiments 1 and 4, the elastic sealing gasket is matched with the inner wall of the insertion cavity by using a peripheral structure, so that the elastic sealing gasket is in sealing fit with the insertion cavity. In this embodiment, the elastic sealing gasket realizes sealing through the cooperation of the side of thickness direction and the annular groove wall, and for realizing this purpose, the thickness of elastic sealing gasket will be greater than the width of annular groove, and the elastic sealing gasket is adorned to the annular groove by force in.
The utility model discloses embodiment 6 of connector:
in example 1, the elastic gasket is mounted by providing a ring groove on the inner wall of the plug cavity. In the embodiment, the ring groove can be eliminated, and the elastic sealing gasket is positioned only by matching with the inner wall of the plugging cavity.
The utility model discloses embodiment 7 of the connector:
in example 1, the elastic seal gasket reinforces the seal with the contact by providing a thickened portion. In this embodiment, when the thickness of the elastic seal itself is already large, the thickened portion may no longer be present.
The utility model discloses embodiment 8 of connector:
in example 1, the elastic sealing gasket is a rubber gasket made of rubber. It should be noted that, in the present invention, the elastic deformation of the elastic sealing gasket is used to realize sealing, and based on this principle, in the present embodiment, the elastic sealing gasket may be a polyester elastic gasket (TPEE gasket), or may be an asbestos rubber gasket.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A connector, comprising:
the front end of the shell is provided with an inserting cavity, and a contact element extending forwards and backwards is arranged in the shell;
the method is characterized in that: the connector further includes:
the elastic sealing gasket is arranged in the inserting cavity and is in sealing fit with the inner wall of the inserting cavity;
an inner annular supporting surface used for supporting the elastic sealing gasket forwards is arranged in the shell, and the elastic sealing gasket comprises a sealing surface used for being in press fit with the top of the front end of the adaptive connector to realize sealing;
the contact piece penetrates through the contact piece penetrating hole of the elastic sealing gasket, and the contact piece is in sealing fit with the contact piece penetrating hole.
2. The connector of claim 1, wherein: the elastic seal includes a thickened portion on which the contact penetration hole is provided.
3. The connector of claim 2, wherein: the elastic sealing gasket comprises a boss positioned on the front side, the thickened portion is formed at the boss of the elastic sealing gasket, and the contact penetrating hole penetrates through the boss.
4. The connector of claim 3, wherein: the number of the contact elements is at least two, and the elastic sealing gasket comprises at least two bosses which are in one-to-one correspondence with the contact elements.
5. The connector of claim 1 or 2 or 3 or 4, wherein: the elastic sealing gasket comprises an annular convex rib arranged on the periphery, and the annular convex rib is extruded and deformed during assembly so as to be in sealing fit with the inner wall of the plug cavity.
6. The connector of claim 5, wherein: at least two annular convex ribs are arranged at intervals along the thickness direction of the elastic sealing gasket.
7. The connector of claim 1 or 2 or 3 or 4, wherein: an annular groove is formed in the inner wall of the inserting cavity and attached to the front side of the inner annular supporting surface, and the elastic sealing gasket is embedded in the annular groove;
the resilient gasket includes a thickened rim.
8. The connector of claim 1, wherein: an insulator is fixedly arranged behind the elastic sealing gasket in the inserting cavity, one of the insulator and the rear end of the elastic sealing gasket is provided with a positioning bulge, and the other one of the insulator and the rear end of the elastic sealing gasket is provided with a positioning groove which is inserted with the positioning bulge in a matched manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856644.8U CN212908280U (en) | 2020-08-31 | 2020-08-31 | A kind of interface unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856644.8U CN212908280U (en) | 2020-08-31 | 2020-08-31 | A kind of interface unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212908280U true CN212908280U (en) | 2021-04-06 |
Family
ID=75251680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021856644.8U Active CN212908280U (en) | 2020-08-31 | 2020-08-31 | A kind of interface unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212908280U (en) |
-
2020
- 2020-08-31 CN CN202021856644.8U patent/CN212908280U/en active Active
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