CN219998575U

CN219998575U - High waterproof connector

Info

Publication number: CN219998575U
Application number: CN202320752341.9U
Authority: CN
Inventors: 吴云甫; 张济华
Original assignee: Zhejiang Yuanpu Electric Co ltd
Current assignee: Zhejiang Yuanpu Electric Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-11-10
Anticipated expiration: 2033-04-07

Abstract

The utility model provides a high waterproof type connector, including waterproof public gluey shell and waterproof female gluey shell, waterproof public gluey shell is including public terminal portion of being qualified for the next round of competitions and public terminal fixed part, waterproof female gluey shell is including spacing to inserting portion, female terminal fixed part and female terminal portion of being qualified for the next round of competitions, public terminal fixed part and spacing to inserting portion cartridge fit, public terminal is qualified for the next round of competitions on the portion and all be equipped with seal structure on the female terminal portion of being qualified for the next round of competitions, seal structure includes fixed convex part, seal end cover, and waterproof pad, seal end cover's inner chamber and fixed convex part's outer wall looks adaptation, seal end cover's outer wall and public terminal portion of being qualified for the next round of competitions, and seal end cover and fixed convex part pass through ultrasonic welding as an organic whole, seal end cover is placed in seal end cover's inner chamber, and compressed tightly to be fixed to on the up end of fixed convex part. The sealing end cover of the utility model can not be hung by the wire harness to be separated, can effectively ensure the waterproof performance of the waterproof pad, and has attractive overall appearance.

Description

High waterproof connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a high waterproof connector.

Background

The waterproof performance of connector head and afterbody is the important index that the customer put forward always, and in actual use, the end cover that connector head and afterbody buckle connected is extremely easily hung by the pencil and takes place the phenomenon that breaks away from for waterproof connector's waterproof performance is lost, and the fastness of end cover needs further improvement in the equipment in-process, and the mounting means of end cover is not hidden enough, and holistic aesthetic property is also relatively poor.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a highly waterproof connector.

The waterproof male rubber shell comprises a male terminal outgoing line portion at the lower end and a male terminal fixing portion at the upper end, the waterproof female rubber shell comprises a limiting opposite-inserting portion at the lower end, a female terminal fixing portion at the middle portion and a female terminal outgoing line portion at the upper end, the male terminal fixing portion is in insertion fit with the limiting opposite-inserting portion, sealing structures are arranged on the male terminal outgoing line portion and the female terminal outgoing line portion, each sealing structure comprises a fixing convex portion, a sealing end cover and a waterproof pad, the fixing convex portions are formed in a protruding mode in the axial direction, an inner cavity of the sealing end cover is matched with the outer wall of the fixing convex portion, the outer wall of the sealing end cover is matched with the outer wall of the male terminal outgoing line portion and the outer wall of the female terminal outgoing line portion, the sealing end cover and the fixing convex portions are integrated through ultrasonic welding, and the waterproof pad is placed in the inner cavity of the sealing end cover and is pressed and fixed to the upper end face of the fixing convex portions.

The technical scheme has the advantages that: through set up fixed convex part on public terminal wire portion and female terminal wire portion to make and adopt the fixed mode of inside and outside suit between fixed convex part and the seal end cover, make the seal end cover need not extra installation component can be effectual be connected to corresponding waterproof public gluey shell and waterproof female gluey shell, and the outside shape is unanimous with the outside shape of public terminal wire portion, female terminal wire portion after the seal end cover is installed, therefore the overall shape of connector is more pleasing to the eye after the installation, and make seal end cover and fixed convex part pass through the high frequency vibration wave that ultrasonic wave leads to welding technique to make contact surface molecular layer fuse as an organic whole, the seal end cover can not be hung by the pencil and take place the phenomenon that breaks away from, waterproof pad in the seal end cover can be stable seal waterproof to waterproof public gluey shell and waterproof female gluey shell's terminal hole, the overall waterproof effect is also better.

Further, ultrasonic welding convex blocks are arranged on the opposite edges of the bottom end of the sealing end cover, and the top sections of the ultrasonic welding convex blocks are trapezoid or triangle.

The technical scheme has the advantages that: through setting up ultrasonic welding lug, make ultrasonic welding lug and corresponding public terminal be qualified for next round of competitions the interface molecular layer between the line portion and the female terminal be fused as an organic wholely to reach the purpose that improves both welding effect, and ultrasonic welding lug's top cross-section is trapezoidal or triangle-shaped, the setting of this structure has reduced ultrasonic welding lug's flash volume.

Furthermore, the connection parts of the fixing convex parts, the male terminal outgoing line parts and the female terminal outgoing line parts are concavely formed with hollow cavities, and the hollow cavities are arranged at positions corresponding to the ultrasonic welding convex blocks.

The technical scheme has the advantages that: through setting up the fretwork cavity in relevant position, reach the purpose of receiving the flash that produces when ultrasonic welding lug fusion welding, avoid the excessive flow of flash to the outside body of connector, guaranteed the quality of product, rational in infrastructure.

Furthermore, a positioning lug is further formed at the root of the fixing convex part, a positioning notch is further formed on the bottom end face of the sealing end cover, and the positioning lug is in insertion fit with the positioning notch.

The technical scheme has the advantages that: the cooperation of location lug and location breach is adopted for the installation direction of seal end cover obtains prescribing a limit to, and the wiring personnel of being convenient for ensure the function of pencil through seal end cover's sign fast, reaches the purpose of convenient connection.

Further, the fool-proof column is convexly arranged on the inner wall surface of one side of the limiting opposite-plug part, the length of the fool-proof column is consistent with that of the limiting opposite-plug part, the fool-proof groove is formed in the corresponding outer wall surface of the male terminal fixing part, and the fool-proof groove is matched with the fool-proof column.

The technical scheme has the advantages that: the adoption of the cooperation of the foolproof column and the foolproof groove with proper lengths realizes the rapid and accurate opposite insertion of the limiting opposite insertion part and the male terminal fixing part, avoids the occurrence of the phenomenon of insertion error, and ensures the use safety.

Further, the root of the male terminal outgoing line part extends downwards to form a circle of protection plate, and the inner cavity of the protection plate is matched with the outer wall surface of the limiting opposite insertion part.

The technical scheme has the advantages that: through the setting of protection shield, realized with spacing to inserting the portion cooperation after to waterproof public gluey shell and waterproof masterbatch shell's cooperation junction multiple protection's purpose, the water-proof effects is better.

Further, the middle outer wall of the waterproof masterbatch shell is further provided with a mounting fixture block, and mounting plates of L-shaped structures are symmetrically arranged on two sides of the mounting fixture block.

The technical scheme has the advantages that: the transverse part of the L-shaped mounting plate is matched with the sliding groove on the external carrier, the mounting fixture block is matched with the clamping groove on the external carrier, the purpose of fixing the connector on the external carrier can be achieved through the arrangement of the L-shaped mounting plate and the mounting fixture block, and the mounting position is effectively limited.

Further, a lock piece with a rocker structure is arranged on the outer side wall of the male terminal outgoing line part, a buckling part is arranged at the front end of the lock piece, and a clamping block which is in locking fit with the buckling part is arranged on the outer side wall of the limiting opposite-plug part.

The technical scheme has the advantages that: through the locking piece of the seesaw type structure designed outside the waterproof male rubber shell, the clamping block is designed outside the waterproof female rubber shell, the locking piece and the clamping block form position locking after the waterproof male rubber shell and the waterproof female rubber shell are inserted, and the locking piece is only required to be pressed down to separate from the clamping block when the waterproof male rubber shell is to be pulled out, so that the waterproof male rubber shell is simple in structure and convenient to operate.

Drawings

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is another view of the overall structure of the present utility model;

FIG. 3 is a cross-sectional view of the overall structure of the present utility model;

FIG. 4 is a view showing the structure of a waterproof male rubber shell according to the present utility model;

FIG. 5 is another view of the waterproof male housing structure of the present utility model;

FIG. 6 is a view showing the structure of the waterproof masterbatch shell of the utility model;

FIG. 7 is another view of the waterproof masterbatch shell structure of this utility model;

fig. 8 is a structural view of the seal end cap of the present utility model.

In the figure: 1-waterproof male glue shell, 2-waterproof female glue shell, 3-male terminal outgoing line part, 4-male terminal fixing part, 5-limiting opposite inserting part, 6-female terminal fixing part, 7-female terminal outgoing line part, 8-fixing convex part, 9-sealing end cover, 10-waterproof pad, 11-ultrasonic welding convex block, 12-hollow cavity, 13-positioning convex block, 14-positioning notch, 15-fool-proof column, 16-fool-proof groove, 17-protection plate, 18-mounting fixture block, 19-mounting plate, 20-locking piece, 21-buckling part, 22-fixture block and 23-waterproof ring.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model and/or the technical solutions in the prior art, the following description will explain specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort. The term "azimuth" refers to a relative positional relationship between the members, not to an absolute positional relationship.

Referring to fig. 1 to 8, a high waterproof connector includes a waterproof male rubber housing 1 and a waterproof female rubber housing 2, the waterproof male rubber housing 1 includes a male terminal outlet 3 at a lower end and a male terminal fixing portion 4 at an upper end, at least one row of parallel male terminal holes are provided on the male terminal fixing portion 4 and the male terminal outlet 3 in a penetrating manner, the waterproof female rubber housing 2 includes a lower end limiting opposite insertion portion 5, a middle female terminal fixing portion 6 and an upper female terminal outlet 7, the middle female terminal fixing portion 6 and the upper female terminal outlet 7 are provided with female terminal holes in a penetrating manner corresponding to the male terminal holes, the male terminal fixing portion 4 is matched with the limiting opposite insertion portion 5 in an inserting manner, and more specifically, the peripheral size of the male terminal fixing portion 4 is matched with the inner cavity size of the limiting opposite insertion portion 5, so that the connector is limited in a matching manner, the shaking purpose is achieved, and the use stability is improved.

In this embodiment, the male terminal wire-outlet portion 3 and the female terminal wire-outlet portion 7 are both provided with sealing structures, that is, by arranging sealing structures on the wire-outlet portions at two ends of the connector, the purpose of stable water prevention is achieved, more specifically, the sealing structures comprise a fixing convex portion 8, a sealing end cover 9 and a waterproof gasket 10, the fixing convex portion 8 is formed by protruding along the axial direction, the inner cavity of the sealing end cover 9 is matched with the outer wall of the fixing convex portion 8, the outer wall of the sealing end cover 9 is matched with the outer wall of the male terminal wire-outlet portion 3 and the outer wall of the female terminal wire-outlet portion 7, the waterproof gasket 10 is placed in the inner cavity of the sealing end cover 9 and is pressed and fixed on the upper end face of the fixing convex portion 8, and the fixing convex portion 8 and the sealing end cover 9 are sleeved and fixed inside and outside the fixing mode, the sealing end cover 9 can be effectively connected to the corresponding waterproof male rubber shell 1 and the waterproof female rubber shell 2 without additional installation components, the outer shape of the sealing end cover 9 is matched with the outer shape of the male terminal wire-outlet portion 3 and the outer wall of the female terminal wire-outlet portion 7, and the waterproof gasket 10 is accordingly installed on the corresponding waterproof hole of the waterproof end cover and the corresponding waterproof wire harness is prevented from penetrating through the corresponding waterproof hole.

In this embodiment, the seal end cover 9 and the fixing protrusion 8 are welded together by ultrasonic, and the contact surface molecular layer is fused together by high-frequency vibration waves generated by the ultrasonic welding technique between the seal end cover 9 and the fixing protrusion 8, so that the seal end cover 9 cannot be hung by a wire harness and separated, and the waterproof pad 10 in the seal end cover 9 can seal and waterproof the terminal holes of the waterproof male rubber shell and the waterproof female rubber shell stably, so that the overall waterproof effect is better.

In this embodiment, the opposite edges of the bottom end of the sealing end cover 9 are provided with ultrasonic welding bumps 11, the top section of each ultrasonic welding bump 11 is trapezoidal or triangular, and by arranging the ultrasonic welding bumps 11, the ultrasonic welding bumps 11 are integrated with the corresponding contact surface molecular layers between the male terminal outgoing line part 3 and the female terminal outgoing line part 7, so that the purpose of improving the welding effect of the two is achieved, and the top section of each ultrasonic welding bump 11 is trapezoidal or triangular.

In this embodiment, the connection parts of the fixing convex part 8, the male terminal outgoing line part 3 and the female terminal outgoing line part 7 are all concavely formed with hollow cavities 12, and the hollow cavities 12 are arranged corresponding to the positions of the ultrasonic welding convex blocks 11, that is, the hollow cavities 12 are formed on the surface of the outgoing line part and are relatively positioned at the inner sides of the ultrasonic welding convex blocks 11, so that the purpose of receiving flash generated during fusion welding of the ultrasonic welding convex blocks 11 is achieved, excessive flash is prevented from flowing onto the connector outer body, the quality of products is ensured, and the structure is reasonable.

In this embodiment, the root of the fixing protrusion 8 is further formed with a positioning protrusion 13, the bottom end surface of the sealing end cover 9 is further formed with a positioning notch 14, the positioning protrusion 13 and the positioning notch 14 are assembled in a plugging manner, and it is required to specify that the sealing end cover 9 is provided with a mark corresponding to a corresponding wire harness hole, so that the installation direction of the sealing end cover 9 is limited by adopting the matching of the positioning protrusion 13 and the positioning notch 14, so that a wiring person can conveniently and rapidly ensure the function of a wire harness through the mark of the sealing end cover 9, and the purpose of convenient connection is achieved.

In this embodiment, the inner wall surface of one side of the spacing opposite plug-in part 5 is convexly provided with a foolproof column 15, the length of the foolproof column 15 is consistent with the length of the spacing opposite plug-in part 5, the corresponding outer wall surface of the male terminal fixing part 4 is provided with a foolproof groove 16, the foolproof groove 16 is matched with the foolproof column 15, in this way, the cooperation of the spacing opposite plug-in part 5 and the male terminal fixing part 4, the cooperation of the foolproof column 15 and the foolproof groove 16 are synchronously carried out, the quick accurate opposite plug-in of the spacing opposite plug-in part 5 and the male terminal fixing part 4 is realized, the occurrence of the plugging error phenomenon is avoided, and the use safety is ensured.

In this embodiment, the root department of male terminal wire outlet 3 downwardly extending forms round protection shield 17, and the inner chamber of protection shield 17 and spacing outer wall looks adaptation to inserting portion 5, through the setting of protection shield 17, realized with spacing to inserting portion 5 cooperation after to waterproof public rubber shell 1 and waterproof masterbatch shell 2's cooperation junction's multiple protection purpose, the water-proof effects is better, has also reached the emergence that prevents waterproof public rubber shell 1 and waterproof masterbatch shell 2 and rocked the phenomenon.

In this embodiment, the outer wall of the middle part of the waterproof masterbatch shell 2 is further provided with a mounting block 18, two sides of the mounting block 18 are symmetrically provided with mounting plates 19 with an L-shaped structure, the transverse part of the L-shaped mounting plate 19 is matched with a chute on an external carrier, the mounting block 18 is matched with a clamping groove on the external carrier, the purpose of fixing the connector to the external carrier can be achieved through the arrangement of the L-shaped mounting plate 19 and the mounting block 18, and the mounting position is effectively limited.

In this embodiment, the outer side wall of the male terminal outlet 3 is provided with a lock 20 with a rocker structure, the front end of the lock 20 is provided with a buckle portion 21, the buckle portion 21 is a hook-shaped member, the outer side wall of the limiting opposite plug portion 5 is provided with a clamping block 22 which is in locking fit with the buckle portion 21, the clamping block 22 is located on one side of the limiting opposite plug portion 5 opposite to the mounting clamping block 18, the waterproof male rubber shell 1 and the waterproof female rubber shell 2 relatively move, the buckle portion 21 of the lock 20 is in contact movement with the upper end surface of the clamping block 22 and is elastically deformed, after the limiting opposite plug portion 5 and the male terminal fixing portion 4 are in opposite plug fit, the buckle portion 21 and the clamping block 22 can be locked, when unlocking is needed, only the pressing end of the lock 20 is needed to press the buckle portion 21 and the clamping block 22 to separate, the waterproof male rubber shell 1 or the waterproof female rubber shell 2 can be pulled out, and the locking and unlocking operation modes are simple.

In this embodiment, the clamping block 22 is located near the top end of the limiting opposite insertion portion 5, and the matching position of the buckling portion 21 of the locking member 20 and the clamping block 22 is located inside the protection plate 17, so a gap is left on the protection plate 17, and at this time, in order to avoid intrusion of moisture from the gap, a waterproof ring 23 is placed in a surrounding cavity formed by the protection plate 17 around the male terminal fixing portion 4, so as to achieve the purpose of guaranteeing waterproof effect.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. The utility model provides a high waterproof type connector, includes waterproof public gluey shell (1) and waterproof masterbatch shell (2), public terminal portion of being qualified for the next round of competitions (3) of lower extreme and public terminal fixed part (4) of upper end are drawn together to waterproof public gluey shell (1), waterproof masterbatch shell (2) are including spacing to inserting portion (5) of lower extreme, female terminal fixed part (6) at middle part and female terminal portion of being qualified for the next round of competitions (7) of upper end, public terminal fixed part (4) with spacing to inserting portion (5) insert fit, its characterized in that: the male terminal outgoing line part (3) and the female terminal outgoing line part (7) are both provided with sealing structures, each sealing structure comprises a fixing convex part (8), a sealing end cover (9) and a waterproof pad (10), each fixing convex part (8) is formed by protruding along the axial direction, the inner cavity of each sealing end cover (9) is matched with the outer wall of each fixing convex part (8), the outer wall of each sealing end cover (9) is matched with the male terminal outgoing line part (3) and the outer wall of each female terminal outgoing line part (7), the sealing end covers (9) and the fixing convex parts (8) are integrally welded through ultrasonic waves, and each waterproof pad (10) is placed in the inner cavity of each sealing end cover (9) and is pressed and fixed to the lower end face of each fixing convex part (8).

2. The highly waterproof connector of claim 1, wherein: ultrasonic welding lugs (11) are arranged on the opposite edges of the bottom end of the sealing end cover (9), and the top section of each ultrasonic welding lug (11) is trapezoid or triangle.

3. The highly waterproof connector of claim 2, wherein: the connection parts of the fixing convex parts (8) and the male terminal outgoing line parts (3) and the female terminal outgoing line parts (7) are concavely provided with hollow cavities (12), and the hollow cavities (12) are arranged corresponding to the positions of the ultrasonic welding convex blocks (11).

4. The highly waterproof connector of claim 1, wherein: the root of the fixing convex part (8) is also provided with a positioning convex block (13), the bottom end surface of the sealing end cover (9) is also provided with a positioning notch (14), and the positioning convex block (13) is in insertion fit with the positioning notch (14).

5. The highly waterproof connector of claim 1, wherein: the anti-fool post (15) is convexly arranged on one side inner wall surface of the limiting opposite inserting part (5), the length of the anti-fool post (15) is consistent with that of the limiting opposite inserting part (5), the corresponding outer wall surface of the male terminal fixing part (4) is provided with an anti-fool groove (16), and the anti-fool groove (16) is matched with the anti-fool post (15).

6. The highly waterproof connector of claim 1, wherein: the root of the male terminal outgoing line part (3) extends downwards to form a circle of protection plate (17), and the inner cavity of the protection plate (17) is matched with the outer wall surface of the limiting opposite insertion part (5).

7. The highly waterproof connector of claim 1, wherein: the waterproof masterbatch shell is characterized in that an installation clamping block (18) is further arranged on the outer wall of the middle of the waterproof masterbatch shell (2), and installation plates (19) of L-shaped structures are symmetrically arranged on two sides of the installation clamping block (18).

8. The highly waterproof connector of claim 1, wherein: the male terminal is characterized in that a lock piece (20) with a rocker structure is arranged on the outer side wall of the male terminal outgoing line part (3), a buckling part (21) is arranged at the front end of the lock piece (20), and a clamping block (22) which is in locking fit with the buckling part (21) is arranged on the outer side wall of the limiting opposite-plug part (5).