CN219627043U - Shielding piece, shielding assembly and female end connector - Google Patents

Abstract

The utility model discloses a shielding piece, a shielding assembly and a female end connector, wherein the shielding assembly is arranged in a shell, a lock catch is clamped on the shell, an arc-shaped clamping block is arranged on the lock catch, the arc-shaped clamping block is clamped in an annular limiting groove of the shielding piece, a step surface A is abutted against the front end surface of the arc-shaped clamping block, a limiting step is also arranged in an inner cavity of the shell, the rear end surface of the limiting step is abutted against a step surface B, a guide groove is formed in an insulator, a plurality of inner conductors are arranged in the insulator, the insulator is arranged in the shielding piece, a limiting bulge of the insulator is clamped in the guide groove, the limiting bulge is abutted against the end surface of the rear end of the guide groove, and a barb is abutted against the rear end surface of the insulator. The beneficial effects of the utility model are as follows: after the shielding piece is arranged in the shell, the axial movement of the shielding piece is limited through the lock catch arranged on the shell, so that the axial position of the shielding piece is stable, and the shielding layers on the shielding ring, the shielding piece and the twisted wire are tightly pressed with each other, so that the shielding effect of the female end connector is ensured.

Description

Shielding piece, shielding assembly and female end connector

Technical Field

The utility model relates to an HSD connector, in particular to a shielding piece, a shielding assembly and a female end connector.

Background

HSD connectors are typically used with Fakra, mini-Fakra. In the application of the look-around ADAS system, the camera is connected with a wire harness through a Fakra connector, the other end of the wire harness is connected with an HFM (Mini-Fakra) connector, so that collected data can be transmitted to a vehicle look-around system (AVM), the HSD connector is connected with the wire harness, the data is transmitted to a host, and finally the data is transmitted to a display screen through the HSD+2 connector.

The HSD can not only send data according to Low Voltage Differential Signaling (LVDS), but also can be used for USD 2.0/3.0 and Ethernet standards, has high shielding efficiency, and becomes a compatible solution along with the push-out of the automobile Ethernet. Worldwide, automotive HSD connector core manufacturers mainly include takie, vogasaki, an Feinuo, an Bofu, JAE, rosenberg, and the like.

HSDs have a variety of integrated types-single/double cavity, straight/bent, waterproof/non-waterproof, and some other special +2, +4, +8 (on demand) power PIN connectors, with a separately added power PIN available for larger current supply.

The outer shields of most HSD connectors in the industry today are manufactured in machined parts, which are costly and not conducive to mass production.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a shielding piece, a shielding assembly and a female end connector.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a shielding piece, including the first barrel that connects gradually, second barrel and third barrel, the diameter of first barrel is greater than the diameter of second barrel, and form step face A between first barrel and the second barrel, the junction of third barrel and second barrel is provided with annular bulge, then form annular spacing groove between annular bulge and the step face A, be provided with the spacing arch of radial indent on the inside wall of first barrel, the one end that is close to step face A on the annular bulge has step face B, the perforation has been seted up on the lateral wall of third barrel, install the barb in the perforation.

Optionally, the end of the first cylinder is a necking structure, a plurality of splitting grooves are formed in the necking structure, and a spring piece is formed between two adjacent splitting grooves.

Optionally, the limit protrusion is a triangular protrusion structure.

The utility model provides a shielding subassembly, includes insulator, inner conductor and shield, the guide way that matches with the spacing arch of shield is offered to the axial on the outer circumference of insulator, installs a plurality of inner conductors in the insulator, and the insulator is installed in the shield, and the spacing protruding card of insulator is in the guide way, and the terminal surface butt of spacing protruding and guide way rear end, barb and the rear end face butt of insulator.

Optionally, a stranded wire is further installed in the inner cavity of the rear end of the shielding piece, a core wire of the stranded wire is connected with a corresponding inner conductor, the core wire of the front end of the stranded wire is tightly wrapped through the shielding ring, and a shielding layer of the stranded wire penetrates from the inner cavity of the shielding ring and is in compression joint between the shielding piece and the shielding ring.

Optionally, the inner conductor is provided with a concave structure, the insulator is radially provided with a pin hole, a bolt is inserted into the pin hole, and part of the bolt is clamped into the concave structure of the inner conductor.

The utility model provides a female end connector, includes shell, hasp and shielding subassembly, and shielding subassembly installs in the shell, and still the joint has the hasp on the shell, is provided with the arc fixture block on the hasp, and the annular spacing inslot of arc fixture block card at the shield member, and step face A and the preceding terminal surface butt of arc fixture block still are provided with spacing step in the inner chamber of shell, the rear end face and the step face B butt of spacing step.

Optionally, the both sides of hasp still are provided with the elastic arm, are provided with the fixture block on the lateral wall of elastic arm, and the holding groove that holds the hasp has been seted up to the bottom of shell, has seted up the elastic arm on the cell wall of holding groove and has inserted the guide way, and has seted up the draw-in groove that the fixture block card was gone into on the guide way.

Optionally, a disassembling hole is further formed in the front side wall of the lock catch.

Optionally, the top of shell is provided with the shell fragment, and the top of shell fragment is provided with bellied buckle, and the afterbody of shell fragment still is provided with a plurality of fins, and a plurality of fins are located the rear side of buckle.

The utility model has the following advantages: after the shielding piece is arranged in the shell, the axial movement of the shielding piece is limited by the lock catch arranged on the shell, so that the axial position of the shielding piece is stable, and the shielding ring, the shielding piece and the shielding layer on the twisted wire are tightly pressed with each other, so that the shielding effect of the female-end connector is ensured.

Drawings

FIG. 1 is a schematic diagram of a female connector;

FIG. 2 is a schematic diagram of a female connector;

FIG. 3 is an exploded view of the female connector;

FIG. 4 is a schematic structural view of the housing;

FIG. 5 is a second schematic structural view of the housing;

FIG. 6 is a schematic diagram of a latch;

FIG. 7 is a second schematic diagram of the latch;

FIG. 8 is a schematic view of a shield;

FIG. 9 is a second schematic structural view of the shield;

FIG. 10 is a schematic view of a shield assembly;

fig. 11 is a schematic structural view of an insulator;

fig. 12 is a schematic view of a structure in which an inner conductor is installed in an insulator;

FIG. 13 is a schematic view of the installation of the plug and the inner conductor;

FIG. 14 is a schematic view of the assembly of the housing and shield;

FIG. 15 is a schematic cross-sectional view of a female end connector;

in the figure, 100-shell, 200-shielding piece, 300-insulator, 400-bolt, 500-inner conductor, 600-shielding ring, 700-stranded wire, 800-lock catch, 101-shell, 102-spring piece, 103-buckle, 104-convex rib, 105-clamping groove, 106-containing groove, 107-guiding groove, 108-limit block, 109-limit step, 201-first barrel, 202-second barrel, 203-third barrel, 204-annular protrusion, 205-limit protrusion, 206-step surface A, 207-annular limit groove, 208-barb, 209-wedge groove, 210-spring piece, 211-step surface B, 301-guiding groove, 302-pin hole, 801-elastic arm, 802-clamping block, 803-dismounting hole, 804-arc clamping block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, 2 and 3, a female connector includes a housing, a latch and a shielding assembly, the shielding assembly is mounted in the housing, in this embodiment, as shown in fig. 10, the shielding assembly includes an insulator, an inner conductor and a shielding member, in this embodiment, as shown in fig. 8 and 9, the shielding member is a revolving body structure and can be manufactured by adopting normal pressure and rolling technology, compared with the traditional machining technology, the manufacturing cost is greatly reduced, the shielding member includes a first cylinder, a second cylinder and a third cylinder which are sequentially connected, the diameter of the first cylinder is larger than that of the second cylinder, a step surface A is formed between the first cylinder and the second cylinder, an annular bulge is arranged at the joint of the third cylinder and the second cylinder, an annular limit groove is formed between the annular bulge and the step surface A, a limit bulge which is radially concave is arranged on the inner side wall of the first cylinder, the annular bulge is provided with a step surface B at one end close to the step surface A, a perforation is formed on the outer side wall of the third barrel, barbs are arranged in the perforation, as shown in figure 11, guide grooves matched with the limit bulges of the shielding piece are axially formed on the outer circumference of the insulator, as shown in figure 12, a plurality of inner conductors are arranged in the insulator, the insulator is arranged in the shielding piece, the limit bulges of the insulator are clamped in the guide grooves, the limit bulges are abutted with the end surfaces of the rear ends of the guide grooves, the barbs are abutted with the rear end surfaces of the insulator, the axial fixation of the insulator is realized through the limit bulges and the barbs, preferably, the limit bulges are of triangular bulge structures, the guide grooves are also triangular grooves, when the insulator is arranged, the limit bulges of the guide grooves are aligned, the barbs are inserted into the shielding piece, and can be compressed and deformed in the inserting process, so that elastic restoring force is generated, after the rear end face of the insulator passes over the barb, the barb is reset under the action of elastic restoring force, the limiting protrusion is abutted with the end face of the rear end of the guide groove, and the barb is abutted with the rear end face of the insulator, so that axial position fixation of the insulator is realized, the insulator is prevented from moving axially relative to the shielding piece, an inner conductor is firstly arranged in the insulator before the insulator, a concave structure is arranged on the inner conductor, a pin hole is radially formed in the insulator, as shown in fig. 11, a bolt is inserted into the pin hole, as shown in fig. 12, and part of the bolt is clamped into the concave structure of the inner conductor, so that the inner conductor is axially fixed relative to the insulator.

In this embodiment, as shown in fig. 2, a lock catch is further clamped on the housing, as shown in fig. 6 and 7, an arc-shaped clamping block is arranged on the lock catch, the arc-shaped clamping block is clamped in an annular limiting groove of the shielding member, the step surface a is abutted with the front end surface of the arc-shaped clamping block, as shown in fig. 14, a limiting step is further arranged in an inner cavity of the housing, the rear end surface of the limiting step is abutted with the step surface B, that is, when the shielding member is mounted, the shielding member is inserted into the housing, after the rear end surface of the limiting step is abutted with the step surface B, the shielding member is indicated to be inserted in place, then the lock catch is mounted on the housing, after the lock catch is mounted, the arc-shaped clamping block on the lock catch is clamped in an annular limiting groove of the shielding member, and the step surface a is abutted with the front end surface of the arc-shaped clamping block, and then axial positioning of the shielding member a is realized.

In this embodiment, as shown in fig. 6 and 7, the two sides of the lock catch are further provided with elastic arms, the outer side wall of the elastic arms is provided with a clamping block, as shown in fig. 5, the bottom of the housing is provided with a containing groove for containing the lock catch, the groove wall of the containing groove is provided with an elastic arm which is inserted into the guide groove, as shown in fig. 4, and the guide groove is provided with a clamping groove into which the clamping block is clamped, in the lock catch installation process, due to the existence of the clamping block, when the clamping block is in a compressed state, the elastic arms have elastic restoring force, and along with the insertion of the lock catch, after the clamping block is aligned with the clamping groove, the clamping block is clamped into the clamping groove under the action of the elastic restoring force, so that the lock catch is firmly installed, and when the lock catch needs to be disassembled, the clamping block is extruded, so that the clamping block is withdrawn from the clamping groove, and then the lock catch is lifted upwards, so that the disassembly of the lock catch can be realized.

In this embodiment, as shown in fig. 4 and 5, the top of the shell is provided with an elastic sheet, the top of the elastic sheet is provided with a convex buckle, the tail of the elastic sheet is further provided with a plurality of ribs, and the ribs are located at the rear side of the buckle and are matched with the male connector in a plugging manner through the elastic sheet and the buckle, and the ribs are arranged, so that the elastic sheet is conveniently pressed down, the buckle is tripped, and the female connector and the male connector are conveniently detached.

In this embodiment, as shown in fig. 8 and 9, the end of the first cylinder is in a necking structure, a plurality of splitting grooves are formed in the necking structure, and elastic sheets are formed between two adjacent splitting grooves, so that the shielding piece is convenient to install in the housing.

In this embodiment, as shown in fig. 15, a stranded wire is further installed in the inner cavity of the rear end of the shielding member, the core wire of the stranded wire is connected with the corresponding inner conductor, and the core wire of the front end of the stranded wire is wrapped tightly by the shielding ring, and the shielding layer of the stranded wire penetrates from the inner cavity of the shielding ring and is crimped between the shielding member and the shielding ring, so that the shielding layer, the shielding ring and the shielding member are mutually conducted, and the shielding performance of the female end connector is further ensured.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (10)

1. A shield, characterized by: including the first barrel, second barrel and the third barrel that connect gradually, the diameter of first barrel is greater than the diameter of second barrel, just form step face A between first barrel and the second barrel, the third barrel with the junction of second barrel is provided with annular protruding, annular protruding with then form annular spacing groove between the step face A, be provided with the spacing arch of radial indent on the inside wall of first barrel, be close to on the annular protruding step face A's one end has step face B, the perforation has been seted up on the lateral wall of third barrel, install the barb in the perforation.

2. A shield according to claim 1, wherein: the end part of the first cylinder body is of a necking structure, a plurality of splitting grooves are formed in the necking structure, and elastic sheets are formed between two adjacent splitting grooves.

3. A shield according to claim 1 or 2, characterized in that: the limiting protrusions are triangular protrusion structures.

4. A shielding assembly, characterized by: the shielding piece comprises an insulator, an inner conductor and any one of claims 1-3, wherein a guide groove matched with a limit protrusion of the shielding piece is axially formed in the outer circumference of the insulator, a plurality of inner conductors are arranged in the insulator, the insulator is arranged in the shielding piece, the limit protrusion of the insulator is clamped in the guide groove, the limit protrusion is in butt joint with the end face of the rear end of the guide groove, and the barbs are in butt joint with the rear end face of the insulator.

5. A shielding assembly according to claim 4, wherein: the inner cavity of the rear end of the shielding piece is also internally provided with a stranded wire, a core wire of the stranded wire is connected with a corresponding inner conductor, the core wire of the front end of the stranded wire is tightly wrapped by a shielding ring, and a shielding layer of the stranded wire penetrates from the inner cavity of the shielding ring and is in compression joint between the shielding piece and the shielding ring.

6. A shielding assembly according to claim 4, wherein: the inner conductor is provided with a concave structure, the insulator is radially provided with a pin hole, a bolt is inserted into the pin hole, and part of the bolt is clamped into the concave structure of the inner conductor.

7. A female connector, characterized by: the shielding assembly comprises a shell, a lock catch and any one of claims 4-5, wherein the shielding assembly is installed in the shell, the lock catch is further clamped on the shell, an arc-shaped clamping block is arranged on the lock catch, the arc-shaped clamping block is clamped in an annular limiting groove of the shielding piece, a step surface A is in butt joint with the front end surface of the arc-shaped clamping block, a limiting step is further arranged in an inner cavity of the shell, and the rear end surface of the limiting step is in butt joint with a step surface B.

8. A female end connector as defined in claim 7, wherein: the utility model discloses a lock catch, including the hasp, the both sides of hasp still are provided with the elastic arm, be provided with the fixture block on the lateral wall of elastic arm, the holding groove of hasp has been seted up to the bottom of shell, set up the elastic arm on the cell wall of holding groove and insert the guide way, just set up on the guide way the draw-in groove that the fixture block blocked.

9. A female end connector as claimed in claim 8 wherein: the front side wall of the lock catch is also provided with a disassembly hole.

10. A female end connector as defined in claim 7, wherein: the top of shell is provided with the shell fragment, the top of shell fragment is provided with bellied buckle, the afterbody of shell fragment still is provided with a plurality of fins, and a plurality of the fin is located the rear side of buckle.