CN216672026U

CN216672026U - Waterproof power connector with double-lock IP67 protection levels

Info

Publication number: CN216672026U
Application number: CN202220141870.0U
Authority: CN
Inventors: 朱锋; 陈明林; 梁鸿毅
Original assignee: Hong Ru Connectors Co ltd
Current assignee: Guangdong Hongru Technology Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-06-03
Anticipated expiration: 2032-01-19

Abstract

A waterproof power connector with double-lock IP67 protection grades comprises a connector plug and a connector socket, wherein the connector socket comprises a first sealing part and a wire end female terminal fixing part, and a first waterproof plug fixing part and a first waterproof plug are arranged in an inner cavity of the first sealing part; the connector plug comprises a limiting insertion part, a wire end male terminal fixing part and a second sealing part; the inner cavity of the limiting insertion part is sequentially provided with a waterproof ring fixing part and a waterproof ring from left to right; the inner cavity of the second sealing part is sequentially provided with a second waterproof plug and a second waterproof plug fixing part from left to right. According to the utility model, multiple waterproof structures are arranged at different positions, and the interference fit and the further multiple clamping structure cooperation among all the parts are combined, so that multiple sealing is carried out on the place where the water possibly permeates into the power connector, and finally the IP67 grade protection of the power connector is realized.

Description

Waterproof power connector with double-lock IP67 protection levels

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to a waterproof power connector with double-lock IP67 protection levels.

Background

As a common electrical connector, a power connector is provided with conductive wires at both ends for transmitting current. The existing power connector generally comprises a male seat and a female seat, wherein the male seat and the female seat are mutually inserted, and meanwhile, one ends, far away from the insertion part, of the male seat and the female seat are respectively connected with a wire, namely, the male seat and the female seat are matched to realize electric connection in an insertion mode. However, the connector in the prior art has no waterproof performance or poor waterproof performance, and cannot meet the basic use requirement, so a power connector with higher waterproof grade is urgently needed.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a waterproof power connector with double-lock-catch IP67 protection grade, which includes a connector plug and a connector socket, wherein the connector socket includes a waterproof male rubber shell, the waterproof male rubber shell includes a first sealing portion at the left end and a terminal female terminal fixing portion at the right end, and a first waterproof plug fixing member and a first waterproof plug are sequentially arranged in an inner cavity of the first sealing portion from left to right; a wire end female terminal fixing frame is fixed in the wire end female terminal fixing part, the first waterproof plug fixing part tightly presses the first waterproof plug and abuts against the left end face of the wire end female terminal fixing frame, wire end female terminal assembling holes distributed in an array mode are formed in the wire end female terminal fixing frame, and the wire end female terminal assembling holes are used for assembling wire end female terminals;

the connector plug comprises a waterproof female rubber shell, the waterproof female rubber shell comprises a limiting insertion part at the left end, a wire end male terminal fixing part at the middle part and a second sealing part at the right end, and an inner cavity of the limiting insertion part is matched with the outer wall of the wire end female terminal fixing part so as to facilitate insertion; the inner cavity of the limiting insertion part is sequentially provided with a waterproof ring fixing part and a waterproof ring from left to right, the inner cavity of the wire end male terminal fixing part is provided with a wire end male terminal fixing frame, the waterproof ring fixing part tightly presses the waterproof ring and abuts against the left end face of the wire end male terminal fixing frame, the wire end male terminal fixing frame is provided with wire end male terminal assembling holes in one-to-one correspondence with the wire end female terminal assembling holes, and the wire end male terminal assembling holes are used for assembling the wire end male terminal; and a second waterproof plug fixing part are sequentially arranged in the inner cavity of the second sealing part from left to right, and the second waterproof plug fixing part compresses the second waterproof plug and abuts against the right end face of the line end male terminal fixing frame.

Preferably, the first waterproof plug and the first waterproof plug fixing piece are respectively provided with a plurality of first lead inserting holes and second lead inserting holes, the second waterproof plug and the second waterproof plug fixing piece are respectively provided with third lead inserting holes and fourth lead inserting holes, and the first to fourth lead inserting holes are in interference fit with the leads;

the first waterproof plug fixing part, the first waterproof plug and the first sealing part are in interference fit; the waterproof ring and the waterproof ring fixing piece are in interference fit with the limiting insertion part; and the second waterproof plug fixing part, the second waterproof plug and the second sealing part are in interference fit.

Preferably, the outer walls of the upper side and the lower side of the first waterproof plug fixing part and the second waterproof plug fixing part are provided with limiting elastic blocks, and limiting grooves matched with the limiting elastic blocks are formed in the upper side and the lower side of the first sealing part and the second sealing part.

Preferably, the outer walls of the upper side and the lower side of the waterproof ring fixing part are both fixedly provided with bilateral buckles, and the upper side and the lower side of the limiting insertion part are both provided with bilateral buckle positions matched with the bilateral buckles.

Preferably, the front and rear side walls of the waterproof ring fixing piece are provided with slide rail type buckles.

Preferably, the terminal end female terminal fixing portion is in interference fit with the limiting insertion portion, limiting blocks are symmetrically arranged on the front side wall and the rear side wall of the terminal end female terminal fixing portion, each limiting block comprises an inner locking type buckle and a hook-shaped piece located on the inner locking type buckle, side lug chambers are symmetrically arranged on the limiting insertion portion, and communicating ports communicated with the outside are formed in two ends of each side lug chamber.

Preferably, the line end female terminal and the line end male terminal adopt an inner spring sheet type connection mode.

Preferably, the terminal convex hulls are arranged on the outer walls of the tops of the line end female terminal and the line end male terminal.

Preferably, the first waterproof plug, the second waterproof plug and the waterproof ring are all provided with three layers.

Preferably, a valve protruding towards the outside is arranged in the first lead inserting hole of the first waterproof plug, a cross opening through which a lead can pass is arranged on the valve, and the first waterproof plug and the second waterproof plug have the same structure.

Compared with the prior art, the utility model has the following beneficial effects:

in the utility model, the waterproof structure is arranged at the joint of the connector plug and the connector socket, the independent waterproof structures are respectively arranged at the ends of the connector plug and the connector socket far away from the joint, and meanwhile, the interference fit and the further multiple clamping structure cooperation effect among all the parts are combined to perform multiple sealing on the place of the power connector where moisture possibly permeates, so that the IP67 grade protection of the power connector is finally realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an assembled view of the connector receptacle of the present invention;

FIG. 3 is a schematic view of the assembly of the connector plug of the present invention;

fig. 4 is a schematic structural view of a line end female terminal of the present invention;

fig. 5 is a schematic view of a preferred valve structure of the present invention.

Description of reference numerals:

1-connector plug, 2-connector socket, 3-waterproof male rubber shell, 4-first sealing part, 5-line end female terminal fixing part, 6-first waterproof plug fixing part, 7-first waterproof plug, 8-line end female terminal, 9-waterproof female rubber shell, 10-limiting plugging part, 11-line end male terminal fixing part, 12-second sealing part, 13-waterproof ring fixing part, 14-waterproof ring, 15-second waterproof plug, 16-second waterproof plug fixing part, 17-first wire inserting hole, 18-third wire inserting hole, 19-limiting elastic block, 20-limiting groove, 21-double-side buckle, 22-double-side buckle position, 23-slide rail type buckle, 24-limiting block, 25-terminal convex bag, 26-observation round hole, 27-wire end male terminal, 28-internal locking type buckle, 29-side ear chamber, 30-communication port, 31-second lead insertion hole, 32-fourth lead insertion hole, 33-hook-shaped piece, 34-valve and 35-cross port.

Detailed Description

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

It should be understood that the described embodiments are merely exemplary of some, but not all embodiments of the utility model, and that numerous specific details are set forth in order to provide a thorough understanding of the utility model. In addition, some methods, means, components and applications thereof known to those skilled in the art are not described in detail in order to highlight the gist of the present invention, but the implementation of the present invention is not affected thereby. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, the terms "first", "second", "third", "fourth", and the like in the description and the claims are used for distinguishing similar objects only, and are not used for limiting a specific order or order of merits. If not specifically stated, in fig. 1, for example, the reference numeral 2 is located on the left side, and the reference numeral 1 is located on the right side, so that the front-back and up-down orientations can be derived accordingly.

As shown in fig. 1-4, a double-latch IP67 protection-level waterproof power connector comprises a connector plug 1 and a connector socket 2. Wherein, connector socket 2 includes waterproof public gluey shell 3, and waterproof public gluey shell 3 includes the first sealing 4 of left end and the female terminal fixed part of line end 5 of right-hand member. A first waterproof plug fixing part 6 and a first waterproof plug 7 are sequentially arranged in the inner cavity of the first sealing part 4 from left to right; the inside of the female terminal fixed part 5 of line end is fixed with the female terminal mount of line end, and first waterproof stopper mounting 6 compresses tightly first waterproof stopper 7 and on the left end face near the female terminal mount of line end, offers the female terminal pilot hole of line end that the array distributes on the female terminal mount of line end, and the female terminal pilot hole of line end is used for the assembly of the female terminal 8 of line end.

The connector plug 1 comprises a waterproof female rubber shell 9, wherein the waterproof female rubber shell 9 comprises a limiting insertion part 10 at the left end, a wire end male terminal fixing part 11 at the middle part and a second sealing part 12 at the right end. Wherein, the inner cavity of the limit plugging part 10 is matched with the outer wall of the terminal female terminal fixing part 5 so as to facilitate plugging. The inner cavity of the limiting insertion part 10 is sequentially provided with a waterproof ring fixing part 13 and a waterproof ring 14 from left to right, the inner cavity of the wire end male terminal fixing part 11 is provided with a wire end male terminal fixing frame, the waterproof ring fixing part 13 compresses the waterproof ring 14 tightly and abuts against the left end face of the wire end male terminal fixing frame, wire end male terminal assembling holes in one-to-one correspondence with the wire end female terminal assembling holes are formed in the wire end male terminal fixing frame, and the wire end male terminal assembling holes are used for assembling the wire end male terminal. The inner cavity of the second sealing part 12 is sequentially provided with a second waterproof plug 15 and a second waterproof plug fixing part 16 from left to right, and the second waterproof plug fixing part 16 compresses the second waterproof plug 15 and abuts against the right end face of the on-line end male terminal fixing frame.

When the connector plug 1 and the connector socket 2 are plugged, the terminal female terminal fixing portion 5 is inserted into the limit plugging portion 10. When the power connector is exposed to water, the waterproof female rubber shell 9 and the waterproof male rubber shell 3 block the water, so that liquid is prevented from entering the connector plug 1 and the connector socket 2.

The first waterproof plug fixing piece 6, the first waterproof plug 7 and the first sealing part 4 are in interference fit; the waterproof ring 14 and the waterproof ring fixing piece 13 are in interference fit with the limiting insertion part 10; the second waterproof plug fixing piece 16 and the second waterproof plug 15 are in interference fit with the second sealing part 12.

If the connector plug 1 meets water with the connecting part of the conducting wire, the second waterproof plug fixing piece 16, the second waterproof plug 15 and the second sealing part 12 are in interference fit, so that liquid can be effectively prevented from entering. Similarly, the first waterproof plug 7, the first waterproof plug fixing member 6 and the first sealing portion 4 are also in interference fit, so that liquid can be prevented from entering the sealing device. Further, the waterproof ring 14 prevents the liquid from continuing to enter laterally even if a small amount of liquid enters.

The first watertight plug 7 has the same or similar structure as the second watertight plug 15. In a preferred embodiment, the first waterproof plug 7 is provided with a first wire insertion hole 17 corresponding to the terminal female terminal fitting hole, the second waterproof plug 15 is provided with a third wire insertion hole 18 corresponding to the terminal male terminal fitting hole, and the first wire insertion hole 17 and the third wire insertion hole 18 are in interference fit with the wires.

The first waterproof plug fixture 6 and the second waterproof plug fixture 16 have the same or similar structure. The first waterproof plug fixing piece 6 is provided with a plurality of second wire insertion holes 31, the second waterproof plug fixing piece 16 is provided with a fourth wire insertion hole 32, and the second wire insertion holes 31 and the fourth wire insertion holes 32 are in interference fit with wires.

The outer walls of the upper side and the lower side of the first waterproof plug fixing part 6 and the second waterproof plug fixing part 16 are provided with limiting elastic blocks 19, and the upper side and the lower side of the first sealing part 4 and the second sealing part 12 are provided with limiting grooves 20 matched with the limiting elastic blocks 19.

The first waterproof plug 7 and the first waterproof plug fixing member 6 are accommodated in the first sealing portion 4. During the equipment, at first in pushing into first sealing 4 with first waterproof stopper 7, then aim at spacing elastic block on the first waterproof stopper mounting 6 and the spacing groove on the first sealing again, in pushing into first sealing 4 with first waterproof stopper mounting 6 again, spacing elastic block and spacing groove joint this moment for first waterproof stopper mounting 6 and first sealing 4 accomplish the equipment. Similarly, the assembly of the second waterproof plug 15, the second waterproof plug fixture 16, and the second sealing portion 12 may be completed.

As an alternative preferred embodiment, as shown in fig. 5, a valve 34 protruding towards the outside is disposed in the first wire insertion hole 17 of the first waterproof plug 7, a cross-shaped opening 35 for passing a wire is disposed on the valve 34, and the valve 34 is made of silicone.

Because the valve 34 is convex towards the outside, the valve 34 with the cross port 35 has a conical structure when no lead passes through, so that the capability of resisting non-manpower external impact is enhanced, for example, external wind force or liquid cannot burst the valve from the outside to the inside, and high-level protection is ensured. When a guide wire is inserted, the raised valve 34 opens from the outside inward under the influence of human force, and the guide wire is allowed to pass through the ostium. After the lead is pulled out, the valve 34 is made of silica gel, and the cross-shaped opening 35 is restored to an initial closed conical shape, so that external liquid is prevented from entering the connector plug 1 or the connector socket 2. The third wire insertion hole 18 may also adopt the same or similar structure.

The outer walls of the upper side and the lower side of the waterproof ring fixing piece 13 are both fixedly provided with bilateral buckles 21, and the upper side and the lower side of the limiting insertion part 10 are both provided with bilateral buckle positions 22 matched with the bilateral buckles 21.

When the connector plug 1 is assembled, the waterproof ring 14 is firstly placed into the limiting insertion part 10, then the waterproof ring fixing part 13 is pushed into the limiting insertion part 10, and at the moment, the double-side buckle 21 on the waterproof ring fixing part 13 is clamped on the double-side buckle position 22 of the limiting insertion part 10, so that the waterproof ring 14 is prevented from being separated from the limiting insertion part 10.

The middle parts of the front outer wall and the rear outer wall of the waterproof ring fixing piece 13 are respectively provided with a slide rail type buckle 23, and the slide rail type buckles 23 are clamped with slide rails arranged on the inner wall of the limiting insertion part 10, so that the waterproof ring fixing piece 13 and the waterproof master rubber shell 9 are matched more firmly, and the waterproof ring 14 can be balanced and fixed.

The outer wall of the terminal end female terminal fixing portion 5 is in interference fit with the inner wall of the limiting insertion portion 10, the front side wall and the rear side wall of the terminal end female terminal fixing portion 5 are symmetrically provided with limiting blocks 24, and the outer wall of each limiting block 24 is provided with an internal locking type buckle 28 with a side warping plate structure and a hook-shaped piece 33 located on the internal locking type buckle 28. The front side and the rear side of the limiting insertion part 10 are symmetrically and outwards provided with side lug chambers 29 in an expanding mode, and the left end and the right end of each side lug chamber 29 are provided with communicating ports 30 communicated with the outside.

During the connection process, since both ends of the side ear chamber 29 are communicated with the outside through the communication ports 30, the inner locking buckle 28 on the stopper 24 can pass through the side ear chamber 29. At this time, the hook 33 is ejected from the communication opening 30 at the right end of the side ear chamber and is clamped with the communication opening, so that the connector plug 1 and the connector socket 2 are in a locking state, and the separation between the connector plug and the connector socket 2 under the non-manual action is further avoided. If the connector plug 1 and the connector socket 2 need to be separated, the inner locking type buckle 28 is of a one-side warping plate structure, so that the hook-shaped piece is retracted into the side ear chamber 29 only after the inner locking type buckle 28 is pressed, and meanwhile, manpower is applied to enable the limiting block 24 to be pulled out of the side ear chamber 29.

The female terminal 8 of the wire end and the male terminal 27 of the wire end adopt an inner spring sheet type connection mode, so that the opposite insertion is more stable and firm, and the contact performance is better. Terminal convex hulls 25 are arranged on the outer walls of the tops of the terminal female terminal and the terminal male terminal, and play roles in insertion, fool prevention and deviation prevention. The first waterproof plug 7, the second waterproof plug 15 and the waterproof ring 14 are all arranged into three layers so as to increase the waterproof effect. As shown in fig. 4, an observation circular hole 26 is formed on an outer wall of one side of the terminal female terminal 8, so that the height of the elastic piece in the terminal can be observed and measured conveniently, and the quality of the terminal can be ensured.

While various embodiments of the present invention have been described above, various alternatives described in the various embodiments can be combined and cross-referenced without conflict to extend the variety of possible embodiments that can be considered disclosed and disclosed in connection with the embodiments of the present invention.

Although the embodiments of the present invention have been disclosed, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a waterproof power connector of two hasp IP67 protection levels, a serial communication port, including connector plug (1) and connector socket (2), connector socket (2) are including waterproof public gluey shell (3), waterproof public gluey shell (3) are including first sealing (4) of left end and terminal female terminal fixed part (5) of right-hand member, connector plug (1) is including waterproof female gluey shell (9), waterproof female gluey shell (9) are including spacing grafting portion (10) of left end, the public terminal fixed part (11) of middle part and second sealing (12) of right-hand member.

2. A double-latch IP67 protection-grade waterproof power connector according to claim 1, wherein the inner cavity of the first sealing part (4) is provided with a first waterproof plug fixing part (6) and a first waterproof plug (7) from left to right; the interior of the female terminal fixing part of line end (5) is fixed with a female terminal fixing frame of line end, the first waterproof plug fixing part (6) compresses the first waterproof plug (7) tightly and abuts against the left end face of the female terminal fixing frame of line end, the female terminal assembling holes of line end distributed in array are arranged on the female terminal fixing frame of line end, and the female terminal assembling holes of line end are used for assembling the female terminal of line end (8).

3. The double-latch IP67 protection-grade waterproof power connector as claimed in claim 2, wherein the inner cavity of the limit plug part (10) is matched with the outer wall of the terminal female terminal fixing part (5) to facilitate plugging; a waterproof ring fixing part (13) and a waterproof ring (14) are sequentially arranged in an inner cavity of the limiting insertion part (10) from left to right, a wire end male terminal fixing frame is arranged in the inner cavity of the wire end male terminal fixing part (11), the waterproof ring fixing part (13) tightly presses the waterproof ring (14) and abuts against the left end face of the wire end male terminal fixing frame, wire end male terminal assembling holes which correspond to the wire end female terminal assembling holes one to one are formed in the wire end male terminal fixing frame, and the wire end male terminal assembling holes are used for assembling wire end male terminals (27); the inner cavity of the second sealing part (12) is sequentially provided with a second waterproof plug (15) and a second waterproof plug fixing piece (16) from left to right, and the second waterproof plug fixing piece (16) presses the second waterproof plug (15) tightly and abuts against the right end face of the on-line end male terminal fixing frame.

4. The double-locking IP67 protection-grade waterproof power connector according to claim 3, wherein the first waterproof plug (7) and the first waterproof plug fixing piece (6) are respectively provided with a plurality of first lead inserting holes (17) and second lead inserting holes (31), the second waterproof plug (15) and the second waterproof plug fixing piece (16) are respectively provided with a third lead inserting hole (18) and a fourth lead inserting hole (32), and the first to fourth lead inserting holes and the leads are in interference fit;

the first waterproof plug fixing piece (6) and the first waterproof plug (7) are in interference fit with the first sealing part (4); the waterproof ring (14) and the waterproof ring fixing piece (13) are in interference fit with the limiting insertion part (10); and the second waterproof plug fixing piece (16) and the second waterproof plug (15) are in interference fit with the second sealing part (12).

5. The double-latch IP67 protection-grade waterproof power connector according to any one of claims 2-4, wherein the outer walls of the upper and lower sides of the first waterproof plug fixing part (6) and the second waterproof plug fixing part (16) are provided with limiting elastic blocks (19), and the upper and lower sides of the first sealing part (4) and the second sealing part (12) are provided with limiting grooves (20) matched with the limiting elastic blocks (19).

6. The double-lock IP67 protection-grade waterproof power connector according to claim 3, wherein double-side buckles (21) are fixedly arranged on the outer walls of the upper side and the lower side of the waterproof ring fixing piece (13), and double-side buckle positions (22) matched with the double-side buckles (21) are arranged on the upper side and the lower side of the limiting insertion part (10).

7. A double-latch IP67 protection grade waterproof power connector according to claim 3, wherein the front and rear side walls of the waterproof ring holder (13) are provided with slide rail type latches (23).

8. The waterproof power connector with double lock buckles in the IP67 protection grade according to any one of claims 1-3, wherein the terminal female terminal fixing part (5) is in interference fit with the limit inserting part (10), the front and rear side walls of the terminal female terminal fixing part (5) are symmetrically provided with limit blocks (24), each limit block (24) comprises an inner lock type buckle (28) and a hook-shaped piece (33) located on the inner lock type buckle (28), the limit inserting part (10) is symmetrically provided with side lug chambers (29), and both ends of each side lug chamber (29) are provided with communicating ports (30) communicated with the outside.

9. The double-latch IP67 protection-grade waterproof power connector according to claim 2 or 3, wherein the wire end female terminal (8) and the wire end male terminal (27) adopt an inner spring sheet type connection mode; terminal convex hulls (25) are arranged on the outer walls of the tops of the line end female terminal (8) and the line end male terminal (27).

10. A double-latch IP67 protection class waterproof power connector according to claim 3, wherein the first waterproof plug (7), the second waterproof plug (15) and the waterproof ring (14) are all provided in three layers.