CN218448613U - Connector and connector assembly - Google Patents
Connector and connector assembly Download PDFInfo
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- CN218448613U CN218448613U CN202123414988.0U CN202123414988U CN218448613U CN 218448613 U CN218448613 U CN 218448613U CN 202123414988 U CN202123414988 U CN 202123414988U CN 218448613 U CN218448613 U CN 218448613U
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- connector
- cable
- rear end
- housing
- protective
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Abstract
The utility model discloses a connector and connector assembly. The connector includes: an inner housing having a cable hole for allowing a cable to pass therethrough; the inner casing body is provided with a rear end which is sleeved on the cable and adjacent to the sealing ring, a protruding portion which is suitable for abutting against one end of the sealing ring is arranged on the rear end face of the inner casing body, the protruding portion extends in the axial direction of the cable to exceed the shielding piece in the inner casing body, and therefore the sealing ring is blocked at a position which is not contacted with the shielding piece. The utility model discloses in, utilize the bellying on the interior casing to restrict the sealing washer reliably in the position with the shield contactless, guaranteed the sealing reliability of sealing washer.
Description
Technical Field
The utility model relates to a connector and including connector assembly of this connector.
Background
In the related art, a connector for a lidar generally includes a housing, a signal terminal provided in the housing for transmitting a signal (e.g., an ethernet signal), and a cable inserted into a jack of the housing and electrically connected to the signal terminal. In order to prevent electromagnetic interference, it is also generally necessary to provide an electromagnetic shield on the outside of the signal terminal, which is crimped onto the shielding layer of the cable and adapted to mate with the electromagnetic shield of the mating connector. In the prior art, in order to achieve the waterproof sealing function, a sealing ring is usually sleeved on the cable to achieve the sealing between the cable and the shell.
However, in the prior art, a stopper for restricting the movement of the grommet is not usually provided in the connector, resulting in that the grommet can move in the axial direction of the cable to the crimp end of the electromagnetic shield crimped onto the cable. Once the sealing ring is moved over the electromagnetic shield, it can cause the seal to fail.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.
According to an aspect of the present invention, there is provided a connector, including: an inner housing having a cable hole for allowing a cable to pass therethrough; the inner casing body is provided with a rear end which is sleeved on the cable and adjacent to the sealing ring, a protruding portion which is suitable for abutting against one end of the sealing ring is arranged on the rear end face of the inner casing body, the protruding portion extends in the axial direction of the cable to exceed the shielding piece in the inner casing body, and therefore the sealing ring is blocked at a position which is not contacted with the shielding piece.
According to an exemplary embodiment of the invention, the connector further comprises an outer housing having a receptacle for inserting the cable, the inner housing being at least partially accommodated in the outer housing.
According to another exemplary embodiment of the present invention, the connector further comprises a cable, the cable passing through the insertion hole of the outer housing and extending into the inner housing via the cable hole.
According to another exemplary embodiment of the present invention, the connector further comprises a sealing ring, the sealing ring is fitted over the cable and pressed against the inner wall of the insertion hole and between the cables to achieve sealing therebetween.
According to another exemplary embodiment of the present invention, the connector further comprises a shield, the shield being arranged in the inner housing and being electrically connected with the shielding layer of the cable.
According to another exemplary embodiment of the present invention, the connector further comprises: a holding body inserted into the inner case; and a terminal accommodated in the holding body and electrically connected to the conductor core of the cable.
According to another exemplary embodiment of the present invention, the terminal is a signal terminal for transmitting an ethernet signal.
According to another exemplary embodiment of the present invention, the inner housing is further provided with a terminal hole for mounting a power terminal.
According to another exemplary embodiment of the present invention, the connector further comprises a power terminal for transmitting power.
According to another exemplary embodiment of the invention, the shield comprises a rear end crimped onto the shielding of the cable and a front end fixed to the retaining body; a projection on the inner housing extends beyond the rear end of the shield in the axial direction of the cable.
According to another exemplary embodiment of the present invention, the rear end of the shield protrudes beyond the rear end face of the inner housing.
According to the utility model discloses a be provided with a plurality ofly on the rear end face of interior casing the bellying, a plurality of bellyings encircle cable hole interval arrangement, just a plurality of bellyings are suitable for supporting simultaneously and lean on the sealing washer serve.
According to another exemplary embodiment of the present invention, the protruding portion is a separate component mounted on the rear end surface of the inner housing or an integrally formed part with the inner housing.
According to another exemplary embodiment of the present invention, the connector further comprises a protective end cap installed in the opening of the insertion hole of the outer housing, the protective end cap being adapted to abut against the other end of the sealing ring to prevent the sealing ring from being pulled out of the insertion hole of the outer housing.
According to another exemplary embodiment of the present invention, the protective end cap has a first end located in the receptacle of the outer shell and a second end located outside the outer shell; a first flange is formed on the outer surface of the first end of the protective end cover, and a blocking part protruding radially inwards is formed in the insertion hole of the outer shell; the first flange of the protective end cap engages the stop of the outer housing to prevent the protective end cap from being pulled out of the receptacle of the outer housing.
According to another exemplary embodiment of the present invention, a second flange is formed on an outer surface of the second end of the protective end cap, the second flange being adapted to abut against an outer end surface of the outer shell to restrain the protective end cap at a predetermined mounting position.
According to another exemplary embodiment of the present invention, a distance between the first end of the protective end cap and the boss of the inner housing in the axial direction of the cable is slightly larger than a length of the seal ring in the axial direction of the cable.
According to another aspect of the present invention, there is provided a connector assembly, comprising: the aforementioned connector; and a mating connector adapted to mate with the connector.
In each of the foregoing exemplary embodiments according to the present invention, the seal ring is reliably restricted to a position out of contact with the shield by the projection on the inner case, and the sealing reliability of the seal ring is ensured.
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Drawings
Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the present invention;
fig. 2 shows a longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention;
fig. 3 shows a perspective view of a connector according to an exemplary embodiment of the present invention, with the outer housing removed to show the structure within;
FIG. 4 shows a longitudinal cross-sectional view of the connector shown in FIG. 3;
fig. 5 shows a schematic perspective view of an inner housing of a connector according to an exemplary embodiment of the present invention, viewed from the rear end;
fig. 6 shows a schematic view of a cable assembly of a connector according to an exemplary embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to a general technical concept of the present invention, there is provided a connector, including: an inner case having a cable hole for allowing a cable to pass therethrough; the inner casing body is provided with a rear end which is sleeved on the cable and adjacent to the sealing ring, a protruding portion which is suitable for abutting against one end of the sealing ring is arranged on the rear end face of the inner casing body, the protruding portion extends in the axial direction of the cable to exceed the shielding piece in the inner casing body, and therefore the sealing ring is blocked at a position which is not contacted with the shielding piece.
Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the present invention. Fig. 2 shows a longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention. Fig. 6 shows a schematic view of a cable assembly of a connector according to an exemplary embodiment of the present invention.
As shown in fig. 1-2 and 6, in the illustrated embodiment, a connector adapted to connect with, for example, a lidar, is disclosed that includes a power terminal capable of transmitting power and a signal terminal capable of transmitting an ethernet signal. The connector includes: outer housing 10, inner housing 20, cable 30, seal ring 40 and shield 60. The outer case 10 has an insertion hole 11 for inserting the cable 30. The inner housing 20 is at least partially accommodated in the outer housing 10. The cable 30 passes through the insertion hole 11 of the outer housing 10 and protrudes into the inner housing 20. A sealing ring 40 is fitted over the cable 30 and compressed between the inner wall of the socket 11 and the cable 30 to effect a seal therebetween. The shield 60 is disposed in the inner housing 20 and electrically connected to the shield of the cable 30.
Fig. 3 shows a perspective view of a connector according to an exemplary embodiment of the present invention, with the outer housing 10 removed to show the structure inside; FIG. 4 shows a longitudinal cross-sectional view of the connector shown in FIG. 3; fig. 5 shows a schematic perspective view of the inner housing 20 of the connector according to an exemplary embodiment of the present invention, viewed from the rear end.
As shown in fig. 1 to 6, in the illustrated embodiment, the inner case 20 is formed with a cable hole 23 allowing the cable 30 to pass therethrough. The inner housing 20 has a rear end 21 adjacent the seal ring 40 and a boss 20a adapted to abut one end of the seal ring 40 is provided on the rear end face 22 of the inner housing 20. The boss 20a extends beyond the shield 60 in the axial direction of the cable 30 to block the seal ring 40 in a position not contacting the shield 60. In this way, the seal ring 40 can be reliably prevented from moving onto the shield 60 in the axial direction of the cable 30, and therefore, the problem of seal failure can be effectively prevented.
As shown in fig. 1 to 6, in the illustrated embodiment, the connector further includes: a retention body 70 and a terminal 80. The holding body 70 is inserted into the inner case 20. The terminal 80 is accommodated and locked in the holding body 70. One end of the terminal 80 is electrically connected to the conductor core of the cable 30, for example, by crimping.
As shown in fig. 1-6, in the illustrated embodiment, the connector may be a lidar connector for connecting to a lidar. The illustrated terminals 80 may be signal terminals for transmitting ethernet signals, and the connector may further include power supply terminals (not shown) for transmitting power. That is, the connector may be a hybrid connector capable of simultaneously realizing signal and power transmission. In the illustrated embodiment, a terminal hole 24 for mounting a power terminal is also provided on the inner housing 20.
As shown in fig. 1-6, in the illustrated embodiment, the shield 60 includes a rear end 60a crimped to the shield of the cable 30 and a front end 60b secured to the retention body 70. The boss 20a on the inner housing 20 extends beyond the rear end 60a of the shield 60 in the axial direction of the cable 30. In the illustrated embodiment, the rear end 60a of the shield 60 slightly protrudes from the rear end face 22 of the inner housing 20.
As shown in fig. 1-6, in the illustrated embodiment, a plurality of protrusions 20a, such as the upper and lower protrusions 20a shown, may be provided on the rear end surface 22 of the inner housing 20. The plurality of protrusions 20a are arranged at intervals around the cable hole 23, and the plurality of protrusions 20a are adapted to simultaneously abut on one end (right end in the drawing) of the seal ring 40. The plurality of projections 20a may have the same shape or different shapes.
As shown in fig. 1 to 6, in the illustrated embodiment, the boss portion 20a is an integrally formed member integrally formed with the inner housing 20. That is, the boss 20a is integrally formed on the rear end surface 22 of the inner housing 20. However, the present invention is not limited to the illustrated embodiment, and the boss 20a may be a separate member mounted on the rear end surface 22 of the inner case 20, for example.
As shown in fig. 1 to 6, in the illustrated embodiment, the connector further includes a protective end cap 50, the protective end cap 50 being mounted in an opening of the receptacle 11 of the outer housing 10. The protective end cap 50 is adapted to abut against the other end (left end in the drawing) of the seal ring 40 to prevent the seal ring 40 from being pulled out of the insertion hole 11 of the outer housing 10.
As shown in fig. 1 to 6, in the illustrated embodiment, the protective end cap 50 has a first end (right end in the drawing) located in the insertion hole 11 of the outer case 10 and a second end (left end in the drawing) located outside the outer case 10. A first flange 50a is formed on an outer surface of the first end of the protective cover 50, and a stopper 10a protruding radially inward is formed in the insertion hole 11 of the outer case 10. The first flange 50a of the protective cover 50 is engaged with the stopper 10a of the outer case 10 to prevent the protective cover 30 from being pulled out of the insertion hole 11 of the outer case 10.
As shown in fig. 1 to 6, in the illustrated embodiment, a second flange 50b is formed on an outer surface of the second end of the protective end cap 50. The second flange 50b is adapted to abut against the outer end face of the outer housing 10 to restrain the protective end cap 50 at a predetermined mounting position.
As shown in fig. 1 to 6, in the illustrated embodiment, the distance between the first end of the protective end cap 50 and the boss portion 20a of the inner housing 20 in the axial direction of the cable 30 is slightly larger than the length of the seal ring 40 in the axial direction of the cable 30, which facilitates the installation of the seal ring 40 and the protective end cap 50. However, the present invention is not limited to the illustrated embodiment, and for example, the distance between the first end of the protective cover 50 and the boss portion 20a of the inner housing 20 in the axial direction of the cable 30 may be equal to or slightly less than the length of the seal ring 40 in the axial direction of the cable 30.
Although not shown, in an exemplary embodiment of the present invention, there is also disclosed a connector assembly comprising: the connector and a mating connector (not shown) adapted to mate with the connector.
It is understood by those skilled in the art that the above-described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle, and that such modifications are intended to fall within the scope of the present invention.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.
Claims (18)
1. A connector, comprising:
an inner housing having a cable hole for allowing a cable to pass therethrough;
the inner shell is provided with a rear end adjacent to a sealing ring sleeved on the cable, a convex part which is suitable for abutting against one end of the sealing ring is arranged on the rear end surface of the inner shell,
the projection extends beyond a shield provided in the inner housing in an axial direction of the cable to block the grommet at a position out of contact with the shield.
2. The connector of claim 1, further comprising:
an outer housing having an insertion hole for inserting the cable, the inner housing being at least partially received in the outer housing.
3. The connector according to claim 2, further comprising:
a cable passing through the insertion hole of the outer case and extending into the inner case via the cable hole.
4. The connector of claim 3, further comprising:
and the sealing ring is sleeved on the cable and extruded between the inner wall of the jack and the cable so as to realize sealing between the inner wall of the jack and the cable.
5. The connector of claim 4, further comprising:
a shield disposed in the inner housing and electrically connected with the shielding layer of the cable.
6. The connector of claim 1, further comprising:
a holding body inserted into the inner case; and
a terminal housed in the retention body and electrically connected to a conductor core of the cable.
7. The connector of claim 6, wherein: the terminal is a signal terminal for transmitting an ethernet signal.
8. The connector of claim 1, wherein: the inner shell is also provided with a terminal hole for mounting a power terminal.
9. The connector of claim 8, wherein: the connector also includes a power terminal for transmitting power.
10. The connector of claim 6, wherein:
the shield includes a rear end crimped to a shield of the cable and a front end secured to the retention body;
a projection on the inner housing extends beyond the rear end of the shield in the axial direction of the cable.
11. The connector of claim 10, wherein:
the rear end of the shielding piece is arranged to protrude out of the rear end face of the inner shell.
12. The connector of claim 1, wherein:
the rear end face of the inner shell is provided with a plurality of protruding portions, the protruding portions are arranged around the cable hole at intervals, and the protruding portions are suitable for abutting against one end of the sealing ring at the same time.
13. The connector of claim 1, wherein:
the convex part is an independent part installed on the rear end face of the inner shell or an integrally formed part integrally formed with the inner shell.
14. The connector according to any one of claims 2-5, further comprising:
a protective end cap mounted in an opening of the receptacle of the outer housing,
the protective end cap is adapted to abut against the other end of the seal ring to prevent the seal ring from being pulled out of the receptacle of the outer housing.
15. The connector of claim 14, wherein:
the protective end cap has a first end located in the receptacle of the outer housing and a second end located outside of the outer housing;
a first flange is formed on the outer surface of the first end of the protection end cover, and a blocking part protruding inwards in the radial direction is formed in the insertion hole of the outer shell;
the first flange of the protective end cap engages the stop of the outer housing to prevent the protective end cap from being pulled out of the receptacle of the outer housing.
16. The connector of claim 15, wherein:
a second flange is formed on an outer surface of the second end of the protective endcap and is adapted to abut against an outer end face of the outer housing to restrain the protective endcap in a predetermined installed position.
17. The connector of claim 15, wherein:
the distance between the first end of the protective end cap and the boss of the inner housing in the axial direction of the cable is slightly larger than the length of the seal ring in the axial direction of the cable.
18. A connector assembly, comprising:
the connector of any one of claims 1-17; and
a mating connector adapted to mate with the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123414988.0U CN218448613U (en) | 2021-12-31 | 2021-12-31 | Connector and connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123414988.0U CN218448613U (en) | 2021-12-31 | 2021-12-31 | Connector and connector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218448613U true CN218448613U (en) | 2023-02-03 |
Family
ID=85079168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123414988.0U Active CN218448613U (en) | 2021-12-31 | 2021-12-31 | Connector and connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218448613U (en) |
-
2021
- 2021-12-31 CN CN202123414988.0U patent/CN218448613U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |