CN216449789U - LC type connector and front shell thereof - Google Patents

Abstract

The embodiment of the utility model provides an LC-type connector and a front shell thereof, wherein the front shell comprises a shell, the middle part of the shell is provided with a jack along the axial direction, and an elastic cantilever which is formed by extending outwards in an inclined manner from the front end close to the front end of the outer wall of one side of the shell to the rear end, the elastic cantilever comprises a base station protruding from the position close to the front part of one side of the shell by a preset height, and a cantilever part which is formed by extending towards the rear end direction of the shell and from the top of one side of the base station close to the rear end of the shell in an inclined manner, the front end surface close to the two sides of the base station is respectively sunken by a preset depth towards the rear end direction of the base station to form a groove, a partition wall with a preset thickness is formed between the two grooves to partition the two grooves, and one side of the two grooves far away from the partition wall is also penetrated to the outer side of the corresponding side of the base station to form a lateral opening. The groove is formed on two sides of the front end face of the base station of the elastic cantilever, so that the thickness of the shell at the position of the base station can be effectively reduced, and the phenomenon that the jack shrinks can be conveniently avoided during injection molding.

Description

LC type connector and front shell thereof

Technical Field

The embodiment of the utility model relates to the technical field of optical fiber connectors, in particular to an LC type connector and a front shell thereof.

Background

Present LC type connector all is provided with preceding shell parcel device such as plug core subassembly, and the preceding shell of a present LC type connector includes that the middle part runs through the casing that is equipped with the jack that supplies plug core subassembly male and certainly one side outer wall of casing leans on front end department to extend to the rear end slant and form the elastic cantilever who is used for with the adapter cooperation joint of butt joint, elastic cantilever includes certainly a casing side leans on the base station of front portion position protrusion predetermined height and certainly the base station leans on the top orientation of main casing rear end one side the rear end direction of casing and the cantilever portion that the slant outside extends the formation. Because the base platform is formed by protruding from one side surface of the shell, the thickness of the material at the position is equal to the sum of the height of the base platform and the wall thickness of the shell and is larger than the thickness of other parts of the shell, the phenomenon that the jack shrinks easily occurs during injection molding, the size of the jack is unstable, and the structural strength is also influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved in the embodiments of the present invention is to provide a front shell of an LC type connector, which can effectively avoid the shrinkage phenomenon of a jack during injection molding.

A further object of the embodiments of the present invention is to provide an LC type connector, which can effectively implement alignment assembly.

In order to solve the above technical problem, an embodiment of the present invention first provides the following technical solutions: the utility model provides a preceding shell of LC type connector, includes that the middle part is equipped with the casing of jack along the axial and certainly one side outer wall of casing leans on the front end department to extend the elasticity cantilever that forms to the rear end slant, the elasticity cantilever includes from a side of the casing leans on the base station of front portion position protrusion predetermined height and from the base station leans on the top orientation of casing rear end one side the rear end direction of casing and the cantilever part that the slant outside extends the formation, the preceding terminal surface of base station leans on both sides department respectively to the predetermined degree of depth of rear end direction depression of base station is formed with the recess, two form between the recess and have predetermined thickness in order to separate two the divider wall of recess, two one side that the recess was kept away from the divider wall still link up to the lateral surface that the base station corresponds one side and form the side direction opening.

Further, the groove is a notch groove penetrating to the top surface of the base.

Furthermore, the two grooves are symmetrically arranged on two sides of the partition wall.

Further, the distance from the partition wall to the lateral opening of the outer side surface of the two grooves on the corresponding side of the base station is not equal.

Further, the thickness of the partition wall is the same as that of each groove wall of the groove.

Furthermore, each inner wall surface of the groove is a plane and is parallel to the outer wall surface corresponding to the groove.

Furthermore, the inner bottom wall surface of the groove is flush with one side surface of the base platform connected with the shell.

On the other hand, in order to solve the above further technical problem, the embodiment of the present invention further provides the following technical solutions: an LC-type connector comprising a front shell as claimed in any preceding claim.

After the technical scheme is adopted, the embodiment of the utility model at least has the following beneficial effects: in the embodiment of the utility model, the grooves which are sunken to the rear end direction of the base station by the preset depth are formed on the front end surface of the base station of the elastic cantilever close to two sides, so that the material thickness of the shell at the position of the base station can be effectively reduced, the shrinkage phenomenon of the jack can be conveniently avoided during injection molding, the size stability of the jack can be ensured, and the grooves penetrate through the front end surface and the corresponding outer side surface of the base station, so that the design of a mold and the assembly and disassembly of the mold during molding are facilitated; in addition, a partition wall with a preset thickness is formed between the two grooves, and the structural strength of the base platform is also ensured.

Drawings

Fig. 1 is a schematic diagram of an alternative embodiment of a front housing of an LC type connector of the present invention.

Fig. 2 is a schematic diagram of a front housing of an alternative embodiment of an LC type connector of the present invention.

Fig. 3 is a schematic perspective cross-sectional view of an alternative embodiment of the front housing of the LC type connector of the present invention taken along the 1/2 height plane of the groove.

Fig. 4 is a schematic perspective cross-sectional view of a front housing of an LC type connector of the present invention taken along the 1/2 height plane of the groove.

Detailed Description

The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It should be understood that the following illustrative embodiments and description are only intended to explain the present invention, and are not intended to limit the present invention, and features of the embodiments and examples in the present application may be combined with each other without conflict.

As shown in fig. 1, an alternative embodiment of the present invention provides a front shell of an LC type connector, comprising a housing 1 having a jack 10 at the middle portion thereof in the axial direction, and a resilient cantilever 3 extending obliquely outward from the outer wall of the housing 1 at one side thereof toward the front end toward the rear end, the elastic cantilever 3 includes a base 30 protruding from a front portion of one side surface of the housing 1 by a predetermined height, and a cantilever portion 32 extending from a top portion of the base 30 toward a rear end of the housing 1 and obliquely outward, the front end surface of the base platform 30 is recessed towards the rear end of the base platform 30 by a predetermined depth to form grooves 301, a partition wall 303 having a predetermined thickness is formed between the two grooves 301 to partition the two grooves 301, and one side of the two grooves 301 away from the partition wall 303 is further penetrated to the outer side surface of the corresponding side of the base platform 30 to form a lateral opening.

In the embodiment of the utility model, the grooves 301 which are sunken to the rear end direction of the base station 30 by the preset depth are formed on the front end surface of the base station 30 of the elastic cantilever 3 close to two sides, so that the material thickness of the shell 1 at the position of the base station 30 can be effectively reduced, the shrinkage phenomenon of the jack 10 can be conveniently avoided during injection molding, the size stability of the jack 10 can be ensured, and the grooves 301 penetrate through the front end surface and the corresponding outer side surface of the base station 30, so that the design of a mold and the assembly and disassembly of the mold during molding are facilitated; in addition, a partition wall 303 having a predetermined thickness is formed between the two grooves 301, thereby ensuring the structural strength of the base 30.

In an alternative embodiment of the present invention, as shown in fig. 2, the groove 301 is a notch groove penetrating to the top surface of the base 30. This embodiment is the breach groove with recess 301 design, and the mould design is simpler, more convenient shaping.

In yet another alternative embodiment of the present invention, as shown in fig. 3, two said grooves 301 are symmetrically arranged on both sides of the dividing wall 303. In this embodiment, the two grooves 301 are symmetrically disposed on two sides of the partition wall 303, and the grooves 301 on the two sides of the partition wall 303 are formed by machining with the same depth, so that the forming is convenient.

In yet another alternative embodiment of the present invention, as shown in fig. 4, the distance between the partition walls 303 and the lateral openings of the two grooves 301 on the outer side of the corresponding side of the base 30 is not equal. In this embodiment, the partition wall 303 is formed in the above manner, and the grooves 301 on both sides thereof are conveniently designed in an asymmetric manner, so that the wall thickness of the base 30 can be effectively reduced.

In another alternative embodiment of the present invention, as shown in fig. 1, the thickness of the partition wall 303 is the same as the thickness of each groove wall of the groove 301. In this embodiment, the thickness of the partition wall 303 is set to be the same as the thickness of each groove wall of the groove 301, so that shrinkage caused by excessive local wall thickness of the base table 30 is avoided, and the forming is also convenient.

In yet another alternative embodiment of the present invention, as shown in fig. 1, each inner wall surface of the groove 301 is a flat surface and is parallel to the corresponding outer wall surface of the groove 301. In this embodiment, each inner wall surface of the groove 301 is a plane and is parallel to the outer wall surface corresponding to the groove 301, which is beneficial to mold design and injection molding.

In still another alternative embodiment of the present invention, as shown in fig. 1, the inner bottom wall surface 301a of the groove 301 is flush with a side surface 12 of the housing 1 connected to the base 30. In this embodiment, the inner bottom wall surface 301a of the groove 301 is designed to be flush with the side surface 12 of the housing 1 connected to the base 30, which is advantageous for mold design and injection molding.

In another aspect, embodiments of the present invention provide an LC-type connector including a front housing as described in the above embodiments. The front shell of the LC-type connector can be accurately aligned and assembled with other components.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (8)

1. The front shell of the LC type connector comprises a shell, wherein a jack is axially arranged in the middle of the shell, and an elastic cantilever is formed by obliquely extending outwards from the front end of the outer wall of one side of the shell to the rear end, the elastic cantilever comprises a base station protruding from one side of the shell by a preset height and a cantilever part formed by obliquely extending outwards from the top of one side of the base station by the rear end of the shell towards the rear end direction of the shell, the cantilever part is characterized in that grooves are formed by respectively recessing preset depths from the two sides of the front end surface of the base station towards the rear end direction of the base station, a partition wall with preset thickness is formed between the two grooves to separate the two grooves, and one side of the two grooves, which is far away from the partition wall, further penetrates through the outer side surface of the corresponding side of the base station to form a lateral opening.

2. The front housing of an LC type connector according to claim 1, wherein said groove is a cutaway groove through to a top surface of said submount.

3. The front housing of an LC type connector according to claim 1, wherein two of said grooves are symmetrically disposed on both sides of the dividing wall.

4. The front housing of an LC type connector according to claim 1, wherein said partition walls are not equally distant from lateral openings of the outer side surfaces of the two grooves on the respective sides of said base.

5. The front shell of an LC-type connector as in claim 3 or 4, wherein said dividing wall has a thickness equal to the thickness of each groove wall of said groove.

6. The front shell of an LC-type connector according to claim 3 or 4, wherein each inner wall surface of said groove is planar and parallel to the corresponding outer wall surface of said groove, respectively.

7. The front housing of an LC type connector according to claim 6, wherein an inner bottom wall surface of said recess is flush with a side surface of said housing connected to said base.

8. An LC-type connector comprising a front housing, wherein the front housing is according to any of claims 1-7.

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