CN210350265U

CN210350265U - Waterproof plug

Info

Publication number: CN210350265U
Application number: CN201921232618.5U
Authority: CN
Inventors: 张峰
Original assignee: Jiangyin Tianhao Telecom Electric Co Ltd
Current assignee: Jiangyin Tianhao Telecom Electric Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-17
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to a waterproof plug, its female body of inserting and public body of inserting including pegging graft each other, public body of inserting includes the casing, and female body side of inserting is fixed with the ring, is provided with first sealing washer between casing and the ring, and when female body of inserting and public body of inserting peg graft, first sealing washer both ends face is inconsistent with casing and ring respectively, still is provided with the extrusion subassembly that covers casing and ring and push down first sealing washer. The utility model discloses have the leakproofness that improves the plug position greatly, reduce the effect in public female joint gap of inserting.

Description

Waterproof plug

Technical Field

The utility model belongs to the technical field of the electrical components's of a cable technique and specifically relates to a waterproof plug is related to.

Background

At this stage, because people often need to connect two wires together, plugs are often used, and the plugs comprise male plugs and female plugs. The existing male and female plug structure mainly comprises a male plug body and a female plug body. One end of the male plug can be provided with a shell, a contact pin is arranged in the shell, and the other end of the male plug can be connected with an electric wire. One end of the female plug is also provided with a shell, a plug spring corresponding to the plug pin of the male plug is arranged in the shell, and the other end of the female plug is also connected with the electric wire. When two wires are required to be connected together, the male plug pin is plugged into the plug spring in the female plug.

However, the above prior art solutions have the following drawbacks: after the male plug and the female plug are connected, a gap may exist at the connection position, and when water enters the gap, the water flows to the contact position of the contact pin and the contact spring, so that electric leakage, electric shock and other situations may be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waterproof plug, when public inserting with female when inserting and being connected, can improve the leakproofness of plug position greatly, reduce the public gap of inserting female junction of inserting.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a waterproof plug, includes that the female of grafting each other inserts the body and inserts the body with public, and public body of inserting includes the casing, and female body side of inserting is fixed with the ring, is provided with first sealing washer between casing and the ring, and when female body of inserting was pegged graft with public body of inserting, first sealing washer both ends face was inconsistent with casing and ring respectively, still is provided with the extrusion subassembly that covers casing and ring and push down first sealing washer.

Through adopting above-mentioned technical scheme, because be equipped with first sealing washer between casing and the ring, first sealing washer can play sealed effect in the position that both are connected, again because still be provided with cover casing and ring and push down the stable extrusion subassembly of first sealing washer to realized inserting the sealed of junction to public affairs.

The utility model discloses further set up to: one side of the ring, which is far away from the first sealing ring, is provided with a second sealing ring, and two end faces of the second sealing ring are respectively abutted against the ring and the extrusion assembly.

Through adopting above-mentioned technical scheme, the second sealing washer has reduced the clearance between ring and the extrusion subassembly, can realize more effectively that the public is inserted female the sealed of inserting the junction.

The utility model discloses further set up to: the extrusion assembly comprises a first nut and a nut end cover which is integrally formed with the first nut, and when the female plug body is plugged with the male plug body, the first nut and the nut end cover jointly cover the shell and the ring and press the first sealing ring through threaded connection.

Through adopting above-mentioned technical scheme, be connected with on the first nut with first nut integrated into one piece's nut end cover, the nut end cover extrudees the second sealing washer, can realize inserting the sealed of junction to public inserting female more effectively.

The utility model discloses further set up to: the extrusion subassembly is female base and the public base of inserting, the both ends that the base was inserted to female base and public base of inserting all are equipped with the connecting hole, all are equipped with bolt and second nut at the both ends of connecting hole, when the body was inserted to female and public body grafting of inserting, make female base and the public base of inserting fixed mutually through the threaded connection between bolt and the second nut, cover casing and ring jointly and push down first sealing washer.

Through adopting above-mentioned technical scheme, when female body of inserting was pegged graft with public body of inserting, threaded connection through between bolt and the second nut made female base of inserting and public base of inserting fixed mutually, when covering casing and ring jointly and pushing down first sealing washer, the tip of female base of inserting realizes the extrusion to the second sealing washer, has improved sealing performance.

The utility model discloses further set up to: the connecting hole inboard of female base of inserting is provided with the guiding hole, and the connecting hole inboard of public base of inserting is provided with the guide post, peg graft each other between guiding hole and the guide post.

Through adopting above-mentioned technical scheme, female being equipped with the guiding hole on inserting the base, public inserting is equipped with the guide post on the base, can be more accurate insert the base with public inserting the base with female inserting the base and link together.

The utility model discloses further set up to: the female base of inserting is provided with the turn-ups on the boundary, and when female base of inserting was fixed mutually with public base of inserting, the boundary of public base of inserting just contradicts on the turn-ups inner wall of female body of inserting.

Through adopting above-mentioned technical scheme, the turn-ups can make female base of inserting be connected with public base of inserting and can add inseparable, improves the leakproofness.

The utility model discloses further set up to: the bottom end of the inner surface of the shell is provided with a circular truncated cone, the female plug body is also provided with the shell, and the circular truncated cone is mutually inserted into the shell on the female plug body.

Through adopting above-mentioned technical scheme, the grafting between round platform and the casing makes public plug body and female this body coupling of inserting more stable.

The utility model discloses further set up to: the female plug body is provided with a circular protrusion on the inner surface of the shell, the male plug body is provided with a circular groove on the side wall of the circular truncated cone, and the circular protrusion is connected with the circular groove in an inserting mode.

Through adopting above-mentioned technical scheme, inserting the body at female and inserting the effect that body grafting in-process arch and recess play the direction with public, female insert the body and insert the body with public after inserting, closely cooperate between arch and the recess, prevent to take place to rotate between the two.

The utility model discloses further set up to: the female plug body is provided with a square groove on the outer surface of the shell, the male plug body is provided with a square bulge on the inner surface of the shell, and the square bulge is connected with the square groove in an inserting mode.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the female plug body is plugged with the male plug body, the circular truncated cone of the male plug body is stably plugged into the shell of the female plug body along the plugging between the groove and the protrusion.

2. After the female plug body and the male plug body are plugged, the end part of the shell of the male plug body and the circular ring of the female plug body are pressed against two end faces of the first sealing ring, one end of the circular ring, far away from the first sealing ring, is provided with a second sealing ring, and the first nut is rotated to enable the connection between the circular ring and the first sealing ring to be tighter;

3. when the female plug base is plugged with the male plug base, the guide post on the male plug base and the guide hole on the female plug base can guide the female plug base to be accurately and tightly plugged with the male plug base.

Drawings

Fig. 1 is a schematic diagram showing an internal structure of a female plug according to a first embodiment.

Fig. 2 is a schematic diagram showing an internal structure of the male plug according to the first embodiment.

Fig. 3 is a schematic structural view illustrating that the sealing ring is embodied without a mounting nut after the male plug and the female plug are plugged in the first embodiment.

FIG. 4 is a schematic view of an assembled structure according to an embodiment.

Fig. 5 is a schematic view showing an internal plugging structure of the male and female plugs according to an embodiment.

FIG. 6 is a schematic view of a male plug base according to a second embodiment.

Fig. 7 is a schematic view showing a female socket according to the second embodiment.

Fig. 8 is a schematic structural diagram of the second embodiment after installation.

In the figure, 1, a female plug body; 2. a male plug body; 3. a first nut; 4. an electric wire; 5. a housing; 6. inserting a spring; 7. a circular protrusion; 8. a square groove; 9. a circular truncated cone; 10. inserting a pin; 11 a circular groove; 12. a square bulge; 13. a first seal ring; 14. a second seal ring; 15. a circular ring; 16. a nut end cap; 17. a female plug base; 18. a male plug base; 19. a bolt; 20. a second nut; 21. connecting holes; 22. a guide post; 23. a guide hole; 24. and (5) flanging.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows: for the utility model discloses a waterproof plug, as shown in fig. 1, including female body 1 of inserting, female one end and the electric wire 4 connection of inserting body 1, the other end is equipped with casing 5, is equipped with circular arch 7 on casing 5's inner wall, is equipped with square groove 8 on the outer wall, is equipped with three spring 6 of inserting in the bottom of casing 5 internal surface, and three spring 6 of inserting is triangular distribution.

As shown in fig. 2, one end of the male plug body 2 is connected with the electric wire 4, the other end of the male plug body is also provided with a shell 5, the outer wall of the shell 5 is provided with threads, the inner wall of the shell 5 is provided with square protrusions 12, a circular truncated cone 9 is arranged inside the shell 5, the side wall of the circular truncated cone 9 is provided with a circular groove 11, the top end of the circular truncated cone 9 is provided with three contact pins 10, and the three contact pins 10 are also distributed in a triangular shape and correspond to the three contact springs.

When female body 1 and the public body 2 of inserting are connected, female circular bulge 7 of inserting body 1 just pegs graft with public circular recess 11 of inserting body 2, and female square groove 8 of inserting body 1 just pegs graft with public square bulge 12 of inserting body 2. The connection between two pairs of grooves and the protrusions plays a role in guiding and connection stability, so that the circular truncated cone 9 on the male plug body 2 is just plugged into the shell 5 of the female plug body 1, and the three pins 10 are naturally inserted into the corresponding plug springs 6.

As shown in fig. 3, an annular ring 15 is provided on the outer wall of the female plug body 1 near one end of the housing 5, a first seal ring 13 and a second seal ring 14 are provided on both sides of the annular ring 15, an extrusion assembly is provided on the female plug body 1, the extrusion assembly includes a first nut 3 (refer to fig. 4) and a nut end cap 16 fixed at one end of the first nut 3, and a thread is further provided on the outer wall of the housing 5 of the male plug body 2. As shown in fig. 5, after the female plug body 1 is connected to the male plug body 2, the female plug body 1 is fixed to the male plug body 2 by rotating the first nut 3, at this time, the top end of the housing 5 of the male plug body 2 will abut against the first seal ring 13, and the nut end cap 16 at the bottom end of the first nut 3 will tightly press the second seal ring 14, thereby playing a role of sealing.

The implementation principle of the embodiment is as follows: the female plug body 1 and the male plug body 2 are connected together through two pairs of protrusions and grooves in an inserting mode, the circular truncated cone 9 in the male plug body 2 is inserted into the shell 5 of the female plug body 1 in a following mode, the inserting pin 10 is also just inserted into the inserting spring 6, the top end of the shell 5 of the male plug body 2 is abutted against the first sealing ring 13 through rotating the first nut 3, and the nut end cover 16 at the bottom end of the first nut 3 can tightly press the second sealing ring 14, so that a sealing effect is achieved.

Example two: a waterproof plug, as shown in fig. 6, which is different from the first embodiment in that the thread on the male plug body 2 is removed, a male plug base 18 is fixedly connected around the shell 5 of the male plug body 2, and two guide posts 22 are arranged on the male plug base 18.

As shown in fig. 7, the extrusion assembly of embodiment 1 is replaced by a female base 17 and a male base 18, two guide holes 23 are formed on the female base 17, and the guide holes 23 correspond to the guide posts 22. As shown in fig. 8, a flange 24 is provided at the boundary of the female socket base 17, when the male socket body 2 is connected to the female socket body 1, the guide post 22 on the male socket body 2 is inserted into the guide hole 23 of the female socket body 1, and the flange 24 of the female socket base 17 is just fastened to the male socket base 18. The male insertion base 18 and the female insertion base 17 are respectively provided with a connecting hole 21 at two ends, a bolt 19 and a second nut 20 are arranged at two sides of the connecting hole 21, when the male insertion base 18 and the female insertion base 17 are connected together, the bolt 19 penetrates through the connecting hole 21 to be connected with the second nut 20 and fix the two together, at this time, the top end of the shell 5 on the male insertion body 2 can abut against the first sealing ring 13, and the bottom surface inside the female insertion base 17 can tightly press the second sealing ring 14, so that the sealing effect is achieved.

The implementation principle of the embodiment is as follows: the female plug body 1 and the male plug body 2 are plugged together through two pairs of bulges and grooves, the circular truncated cone 9 in the male plug body 2 is plugged into the shell 5 of the female plug body 1, and the contact pin 10 is just plugged into the plug spring 6. The male plug base 18 is used for fixing the male plug body 2 and the female plug body 1 together through the connection between the second nut 20 and the bolt 19 by inserting the guide post 22 into the guide hole 23 of the female plug base 17, at this time, the top end of the shell 5 on the male plug body 2 abuts against the first sealing ring 13, and the bottom surface inside the female plug base 17 tightly presses the second sealing ring 14, so that the sealing effect is achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a waterproof plug, inserts body (1) and public body (2) of inserting including the mother of pegging graft each other, its characterized in that, public body (2) of inserting includes casing (5), mother inserts body (1) side and is fixed with ring (15), be provided with first sealing washer (13) between casing (5) and ring (15), when mother inserts body (1) and public body (2) grafting, first sealing washer (15) both ends face offsets with casing (5) and ring (15) respectively, still is provided with the extrusion subassembly that covers casing (5) and ring (15) and push down first sealing washer (13).

2. The waterproof plug according to claim 1, wherein a second sealing ring (14) is arranged on one side of the circular ring (15) far away from the first sealing ring (13), and two end faces of the second sealing ring (14) respectively abut against the circular ring (15) and the extrusion assembly.

3. The waterproof plug according to claim 2, characterized in that the pressing assembly comprises a first nut (3) and a nut end cap (16) which is integrally formed with the first nut (3), and when the female plug body (1) is plugged with the male plug body (2), the first nut (3) covers the housing (5) and the ring (15) together with the nut end cap (16) through threaded connection and presses the first sealing ring (13).

4. The waterproof plug according to claim 2, wherein the extrusion assembly is a female plug base (17) and a male plug base (18), both ends of the female plug base (17) and the male plug base (18) are provided with connecting holes (21), both ends of the connecting holes (21) are provided with bolts (19) and second nuts (20), when the female plug body (1) is plugged with the male plug body (2), the female plug base (17) and the male plug base (18) are fixed through threaded connection between the bolts (19) and the second nuts (20), and the shell (5) and the ring (15) are covered together and the first sealing ring (13) is pressed.

5. The waterproof plug according to claim 4, wherein a guide hole (23) is formed inside the connecting hole (21) of the female plug base (17), a guide post (22) is formed inside the connecting hole (21) of the male plug base (18), and the guide hole (23) and the guide post (22) are inserted into each other.

6. The waterproof plug according to claim 5, wherein a flange (24) is arranged on the boundary of the female plug base (17), and when the female plug base (17) is fixed with the male plug base (18), the boundary of the male plug base (18) just abuts against the inner wall of the flange (24) of the female plug body (17).

7. The waterproof plug according to claim 1, wherein a circular truncated cone (9) is arranged at the bottom end of the inner surface of the shell (5), the female plug body (1) is also provided with the shell (5), and the circular truncated cone (9) is inserted into the shell (5) on the female plug body (1).

8. The waterproof plug according to claim 7, wherein a circular protrusion (7) is arranged on the inner surface of the shell (5) on the female plug body (1), a circular groove (11) is arranged on the side wall of the circular truncated cone (9) on the male plug body (2), and the circular protrusion (7) is inserted into the circular groove (11).

9. The waterproof plug according to claim 7, wherein a square groove (8) is formed in the outer surface of the upper shell (5) of the female plug body (1), a square protrusion (12) is formed in the inner surface of the upper shell (5) of the male plug body (2), and the square protrusion (12) is inserted into the square groove (8).