CN215645198U

CN215645198U - DC head connector

Info

Publication number: CN215645198U
Application number: CN202122105287.2U
Authority: CN
Inventors: 吴数; 曾桂珍
Original assignee: Dongguan Weiqi Electronics Co ltd
Current assignee: Dongguan Weiqi Electronics Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-25
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a DC connector, which comprises a female head and a male head tightly matched with the female head, wherein a connecting part is arranged between the female head and the male head, the connecting part comprises a nut for connecting the female head and the male head, the joint of the female head and the nut is provided with a thread, one end of the nut far away from the female head is sleeved on the male head, the joint of the male head and the nut is provided with a waterproof sealing ring, a connecting cavity is formed in the female head, a foolproof sleeve is sleeved in the connecting cavity, the male head penetrates through the nut and is pressed into the connecting cavity of the female head through a pressure riveting process and is connected with the foolproof sleeve, the foolproof sleeve is respectively provided with a first contact pin and a second contact pin, the first contact pin is connected with the female head, the male head is provided with a connector and a plug column arranged on the male head, a slot is formed in the plug column, and the slot is plugged with the second contact pin, the structure of the DC connector is tightly matched with the male head, good waterproof and fool-proof effect, convenient use, low production cost and strong practicability.

Description

DC head connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a DC (direct current) head connector.

Background

The DC connector is widely applied to connection of various string lamps, and because the string lamps are generally used outdoors or around eaves or in some places of outdoor public places, the DC connector often has water drops or overflow water seeping into the DC connector to cause short circuit in the use process; it is common practice to add a waterproof device, such as sleeving a plastic shell and then ultrasonic waves, on the outer side of the DC connector, which increases the cost and is inconvenient to use. And after the male and female connection, the male and female can be separated easily by pulling, and the wire connected with the male and female can be separated by only small pulling force, so that the wire is not firm, and the power supply is disconnected or the intermittent connection is unstable.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a DC head connector which can effectively solve the problems in the background art.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a DC head connector comprises a female head and a male head which is tightly matched with the female head, wherein a connecting part is arranged between the female head and the male head and comprises a nut for connecting the female head and the male head, a thread is arranged at the joint of the female head and the nut, one end of the nut, which is far away from the female head, is sleeved on the male head, and a waterproof sealing ring is arranged at the joint of the male head and the nut;

female head internal forming has a connection chamber, it is equipped with prevents slow-witted sleeve to connect the intracavity cover, the public head runs through rivet the technology after the nut through the pressure and impress in female head's connection chamber and with prevent slow-witted muffjoint, prevent that slow-witted sleeve is equipped with first contact pin and second contact pin respectively, first contact pin with female first connection, be equipped with the connector on the public head and locate the post of inserting on the connector, the slot has been seted up in the post of inserting, the slot is pegged graft with the second contact pin.

Particularly, the male head and the female head are both sleeved with protective sleeves, a plurality of first anti-slip blocks and second anti-slip blocks are arranged on the outer sides of the protective sleeves, and the first anti-slip blocks, the second anti-slip blocks and the protective sleeves are integrally formed.

In particular, the male head is in threaded connection with the nut, and the inner diameter of the nut is not smaller than the outer diameter of the male head and the outer diameter of the female head.

In particular, the fool-proof sleeve is coaxially arranged with the female head.

Particularly, the connector and the inserted column are integrally formed, and the connector is in interference fit with the connecting cavity.

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

in the use process of the DC head connector, the deformation is not easy to occur in the pin connection process by arranging the foolproof sleeve capable of realizing blind insertion in the connection cavity of the female head, the first pin protruding outwards at one end of the foolproof sleeve is connected with the female head, the second pin in the foolproof sleeve is inserted into the slot of the male head, the male head is connected with the female head through the riveting process, the falling of a welding part caused by overlarge current in the use process is avoided, the structural stability is facilitated, the connecting part between the male head and the female head is provided with the screw cap, the screw cap is connected with the thread outside the female head, the connecting part of the male head is provided with the sealing ring, the waterproof effect is realized, the structure can be further stabilized, the protective sleeves of the male head and the female head are respectively provided with the first anti-skid blocks and the second anti-skid blocks, and in the connector matching process, the waterproof fool-proof door is more convenient to use, compact in structure matching, good in waterproof fool-proof effect, convenient to use, low in production cost and strong in practicability.

Drawings

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

FIG. 2 is a schematic diagram of an explosive structure according to the present invention;

fig. 3 is a schematic cross-sectional view of the present invention.

Reference numbers in the figures:

1. a connecting portion; 2. a female head; 3. a fool-proof sleeve; 4. a nut; 5. a male head; 6. a first anti-skid block; 7. a second anti-skid block; 8. a slot; 9. a first pin; 10. a second pin; 11. a connecting cavity; 12. inserting a column; 13. a protective sleeve; 14. a seal ring; 15. a connecting head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

As shown in fig. 1-3, the present invention provides a DC plug connector, which comprises a female head 2 and a male head 5 tightly fitting the female head 2, wherein a connecting portion 1 is disposed between the female head 2 and the male head 5, the connecting portion 1 comprises a nut 4 for connecting the female head 2 and the male head 5, a screw thread is disposed at a connection position of the female head 2 and the nut 4, one end of the nut 4 far from the female head 2 is sleeved on the male head 5, a waterproof sealing ring 14 is disposed at a connection position of the male head 5 and the nut 4, wherein the male head 5 and the female head 2 are coaxially disposed, a connector 15 is extended from one end of the male head 5 close to the female head 2, the connector 15 has an arc shape, which facilitates the fitting in a riveting process, and the structure can improve the tightness of the connector 15 and a connecting cavity 11, prevent loosening and falling off, and enhance the structural stability between the male head 5 and the female head 2 through the nut 4, and the nut 4 is screwed to a certain degree through the screw thread on the female head 2, one end of the contact male head 5 is provided with a sealing ring 14, and the waterproof effect is realized through the sealing ring 14.

Female 2 internal forming has a connecting chamber 11, connecting chamber 11 endotheca is equipped with prevents slow-witted sleeve 3, public head 5 runs through and rivets technology after 4 back and impresses in female 2 connecting chamber 11 and with prevent slow-witted sleeve 3 and be connected, prevent that slow-witted sleeve 3 is equipped with first contact pin 9 and second contact pin 10 respectively, first contact pin 9 with female 2 is connected, be equipped with connector 15 and locate the post 12 of inserting on the connector 15 on public head 5, it has slot 8 to open in the post 12, slot 8 pegs graft with second contact pin 10, should prevent that slow-witted sleeve 3 cover establishes behind female 2 connecting chamber 11, and outside convex first contact pin 9 is connected with female 2, and second contact pin 10 is then in the slot 8 of connecting public head 5, and coupling connection promptly, and this structure realizes that the user can blind plug in the in-process of pegging graft to do not damage the contact pin, the practicality is stronger.

Further, the male head 5 and the female head 2 are both sleeved with a protective sleeve 13, the outer side of the protective sleeve 13 is provided with a plurality of first anti-slip blocks 6 and second anti-slip blocks 7, the first anti-slip blocks 6, the second anti-slip blocks 7 and the protective sleeve 13 are integrally formed, the protective sleeve 13 of the male head 5 and the female head 2 is further provided with a group of first anti-slip blocks 6 and second anti-slip blocks 7, the first anti-slip blocks 6 are symmetrically arranged, the second anti-slip blocks 7 are symmetrically arranged, the male head 5 is in threaded connection with the nut 4, the inner diameter of the nut 4 is not smaller than the outer diameter of the male head 5 and the female head 2, the foolproof sleeve 3 is coaxially arranged with the female head 2, the connector 15 is integrally formed with the plug 12, the connector 15 is in interference fit with the connecting cavity 11, the structure of the embodiment is tightly fitted, the waterproof and foolproof effects are good, the use is convenient, and the production cost is low, the practicability is strong.

The specific working principle is as follows: in the using process, a foolproof sleeve 3 capable of realizing blind insertion is arranged in a connecting cavity 11 of a female head 2, so that deformation is not easy to occur in the pin connecting process, a first pin 9 protruding outwards at one end of the foolproof sleeve 3 is connected with the female head 2, a second pin 10 in the foolproof sleeve 3 is inserted into a slot 8 of a male head 5, wherein the male head 5 is connected with the female head 2 through a riveting process, the phenomenon that a welding part falls off due to overlarge current in the using process is avoided, the structural stability is facilitated, a nut 4 is arranged on a connecting part 1 between the male head 5 and the female head 2, the nut 4 is in threaded connection with the outer side of the female head 2, a sealing ring 14 is arranged at the connecting part of the male head 5, the waterproof effect is realized, the structure can be further stabilized, a group of first anti-skid blocks 6 and a group of second anti-skid blocks 7 are respectively arranged on a protective sleeve 13 of the male head 5 and the female head 2, in the process of connector matching, the use is more convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A DC head connector comprises a female head and a male head which is tightly matched with the female head, and is characterized in that a connecting part is arranged between the female head and the male head, the connecting part comprises a nut for connecting the female head and the male head, a thread is arranged at the joint of the female head and the nut, one end of the nut, which is far away from the female head, is sleeved on the male head, and a waterproof sealing ring is arranged at the joint of the male head and the nut;

2. The DC head connector according to claim 1, wherein the male head and the female head are both sleeved with a protective sleeve, the outer side of the protective sleeve is provided with a plurality of first anti-slip blocks and second anti-slip blocks, and the first anti-slip blocks, the second anti-slip blocks and the protective sleeve are integrally formed.

3. The DC header connector of claim 1, wherein the male portion is threadably connected to the nut, the nut having an inner diameter not less than an outer diameter of the male portion and the female portion.

4. A DC link connector as recited in claim 1, wherein the fool-proof sleeve is disposed coaxially with the female connector.

5. The DC header connector of claim 1, wherein the connecting head is integrally formed with the post, and the connecting head is in interference fit with the connecting cavity.