CN211629360U

CN211629360U - Improved DC plug

Info

Publication number: CN211629360U
Application number: CN202020772646.2U
Authority: CN
Inventors: 张夏清; 张胜; 李程
Original assignee: Shenzhen Veras Electric Co ltd
Current assignee: Shenzhen Veras Electric Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-10-02
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to a modified DC plug, include: an insulating insertion tube sleeved with a metal guide tube; the inner inserting core is inserted into the insulating inserting pipe; and the cover is located insulating protective housing on insulating intubate and the interior plug-in core, insulating intubate with be provided with between the insulating protective housing and be used for right insulating intubate carries out fixed spacing fixed subassembly, fixed subassembly includes: the fixing rods are connected with one side of the insulating insertion tube at one end and connected with the inner wall of the insulating protective shell at the other end; the fixing ring is arranged in the insulating protective shell and connected with the fixing rod; and the reinforcing member is arranged in the insulating protective shell and matched with the fixing ring, and a limiting part is arranged between the insulating insertion tube and the inner insertion core. The utility model discloses have and be convenient for play fixed spacing effect to insulating intubate to can reduce the not hard up condition of metal pipe and insulating intubate appearance, and then can make the DC plug can normally work.

Description

Improved DC plug

Technical Field

The utility model belongs to the technical field of the technique of DC plug and specifically relates to a modified DC plug is related to.

Background

At present, along with the continuous progress of scientific technology, the electronic and information industry is rapidly developed, and various electronic products enter the lives of people, wherein plugs are required to be used on many electronic and electric products, a DC plug is one of a plurality of plugs, and the DC plug is a connector for connecting a power supply with a direct current power supply and is generally applied to computer plugs, mobile phone charger plugs and the like.

Existing DC plugs generally include: metal pipe, insulating intubate, interior bullet contact, insulating part and insulating protective housing. The metal guide pipe and the insulating insertion pipe are injection molded to form a plug-in sleeve, the inner elastic contact piece and the insulating part are injection molded to form an inner plug core, the inner plug core is inserted into the plug-in sleeve, then two wires are respectively welded at the tail end of the metal guide pipe and the tail part of the inner elastic contact piece, and finally the tail part of the combined inner plug core and the plug-in sleeve is injection molded to form the insulating protective shell so as to form the DC plug.

The above prior art solutions have the following drawbacks: the DC plug and the socket of the device to be connected are plugged back and forth for a long time, so that the condition that the plugging sleeve on the DC plug is loosened is easily caused, and the normal work of the DC plug is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a modified DC plug, have and be convenient for play fixed spacing effect to insulating intubate to can reduce the not hard up condition of metal pipe and insulating intubate appearance, and then can make the DC plug can normally work.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an improved DC plug, comprising: an insulating insertion tube sleeved with a metal guide tube; the inner inserting core is inserted into the insulating inserting pipe; and the cover is located insulating protective housing on insulating intubate and the interior plug-in core, insulating intubate with be provided with between the insulating protective housing and be used for right insulating intubate carries out fixed spacing fixed subassembly, fixed subassembly includes: the fixing rods are connected with one side of the insulating insertion tube at one end and connected with the inner wall of the insulating protective shell at the other end; the fixing ring is arranged in the insulating protective shell and connected with the fixing rod; and the reinforcing member is arranged in the insulating protective shell and matched with the fixing ring, and a limiting part is arranged between the insulating insertion tube and the inner insertion core.

By adopting the technical scheme, the insulating insertion tube can be stably fixed in the insulating protective shell by arranging the structure that the fixed rod, the fixed ring and the reinforcing piece are matched with each other, so that the condition that the metal conduit and the insulating insertion tube are loosened can be reduced, and the DC plug can normally work; and through setting up the locating part, can make insulating intubate and interior plug-in core mutually support together more effectively.

The present invention may be further configured in a preferred embodiment as: the reinforcing member comprises a plurality of reinforcing holes penetrating through the fixing ring; and the reinforcing rod is arranged in the insulating protective shell and matched with the reinforcing hole.

Through adopting above-mentioned technical scheme, through setting up the structure that reinforcing hole and anchor strut mutually supported, can be so that solid fixed ring connects at the insulation protection shell more firmly.

The present invention may be further configured in a preferred embodiment as: the limiting piece comprises limiting grooves symmetrically formed in the insulating part of the inner inserting core; the limiting block is telescopically arranged in the limiting groove; one end of the spring is connected with the wall of the limiting groove, and the other end of the spring is connected with the limiting block; and the clamping grooves are symmetrically arranged on the inner wall of the insulating insertion pipe and are clamped with the limiting blocks.

Through adopting above-mentioned technical scheme, when interior intubate and insulating intubate are mutually supported, the inner wall of insulating intubate and the mutual butt of stopper on the interior intubate, the stopper slides along the spacing groove for the stopper extrudees the spring, and the spring receives the extrusion and contracts, and when the stopper corresponds each other with the joint groove on the insulating intubate, the spring resets and extrudees the stopper, makes the stopper support the joint inslot, thereby makes interior intubate and insulating intubate interconnect be in the same place.

The present invention may be further configured in a preferred embodiment as: the limiting block deviates from one side end face of the limiting groove and is an inclined end face.

Through adopting above-mentioned technical scheme, the terminal surface through setting up the stopper is the terminal surface of slope, when interior lock pin and insulating intubate mutually support can be convenient for, the stopper card goes into the joint inslot better.

The present invention may be further configured in a preferred embodiment as: the dead lever deviates from the one end of solid fixed ring is connected with the locking lever, seted up on the insulating intubate a plurality ofly with locking lever matched with locking groove.

Through adopting above-mentioned technical scheme, through setting up the structure that locking lever and locking groove mutually supported, can make the dead lever connect in insulating intubate more firmly to make insulating intubate link together with insulating protective housing more effectively.

The present invention may be further configured in a preferred embodiment as: and a horn mouth matched with the inner inserting core is arranged in the insulating inserting pipe.

Through adopting above-mentioned technical scheme, through setting up the horn mouth, can be convenient for insert the core fast in inserting insulating intubate.

The present invention may be further configured in a preferred embodiment as: the insulation protection shell is symmetrically provided with anti-skidding parts.

Through adopting above-mentioned technical scheme, through setting up antiskid portion, can be so that the finger mutually supports with insulating protective housing to can be convenient for extract or insert the socket of treating the connecting device with the DC plug.

The present invention may be further configured in a preferred embodiment as: and a plurality of anti-skid salient points are arranged in the anti-skid part.

Through adopting above-mentioned technical scheme, through setting up anti-skidding bump, frictional force when can increase finger and insulating protective housing contact to can extract DC plug more effectively or insert in the socket of treating the connecting device.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the structure that the fixing rod, the fixing ring and the reinforcing piece are matched with each other, the insulating insertion tube can be stably fixed in the insulating protective shell, so that the situation that the metal conduit and the insulating insertion tube are loosened can be reduced, and the DC plug can normally work; the insulating insertion tube and the inner insertion core can be matched with each other more effectively by arranging the limiting piece;

2. the end face of the limiting block is an inclined end face, so that the limiting block can be clamped into the clamping groove better when the inner inserting core and the insulating inserting pipe are matched with each other;

3. through setting up antiskid, can make the finger mutually support with the insulating protective housing to can be convenient for extract or insert the DC plug in the socket of treating the connected device.

Drawings

Fig. 1 is a schematic structural view of a DC plug improved in the present embodiment;

fig. 2 is a schematic structural diagram of the fixing assembly of the present embodiment.

In the figure, 1, an insulating insertion tube; 11. a metal conduit; 12. a clamping groove; 13. a locking groove; 14. a horn mouth; 2. an inner ferrule; 21. a limiting groove; 22. a limiting block; 23. a spring; 3. an insulating protective case; 31. an anti-slip portion; 32. anti-skid bumps; 4. fixing the rod; 41. a fixing ring; 411. reinforcing holes; 412. a reinforcing rod; 42. locking the lever.

Detailed Description

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

As shown in fig. 1, the present invention discloses an improved DC plug, which includes: insulating intubate 1, interpolation core 2 and insulating protective housing 3. Wherein, the metal conduit 11 is sleeved on the tube body of the insulating insertion tube 1, and a horn mouth 14 is penetrated through the insulating insertion tube 1; the inner inserting core 2 consists of an inner elastic contact piece and an insulating part, the inner elastic contact piece on the inner inserting core 2 is matched with the horn mouth 14 on the insulating inserting tube 1, the U-shaped end of the inner elastic contact piece can be rapidly inserted into the insulating inserting tube 1 along the horn mouth 14, and the tail end of the inner elastic contact piece is welded with a wire.

Meanwhile, the insulating protective shell 3 is wrapped at the position where the insulating insertion tube 1 and the inserted core 2 are mutually abutted, one end, sleeved with the metal conduit 11, of the insulating insertion tube 1 extends out of the insulating protective shell 3 to be inserted into a socket of a device to be connected, so that a DC plug and the device to be connected can be mutually communicated, the insulating protective shell 3 can be arranged to protect the inserted core 2 and a lead, and the insulating insertion tube 1 and the inserted core 2 can be mutually matched.

Preferably, as shown in fig. 1, in order to facilitate that the DC plug can be inserted into and pulled out of the socket of the device to be connected more easily, in this embodiment, the insulating protective housing 3 is symmetrically provided with anti-slip portions 31, a plurality of anti-slip bumps 32 are provided in the anti-slip portions 31, and by providing a structure in which the anti-slip portions 31 and the anti-slip bumps 32 are mutually matched, the fingers can be matched with the insulating protective housing 3, so as to increase the friction force when the fingers are in contact with the insulating protective housing 3, and further, the DC plug can be more effectively pulled out or inserted into the socket of the device to be connected.

As shown in fig. 1, in order to reduce the situation that the metal tube 11 and the insulating insertion tube 1 become loose due to the long-term back-and-forth insertion and extraction of the DC plug and the socket of the device to be connected, in this embodiment, a fixing assembly is disposed between the insulating insertion tube 1 and the insulating protective housing 3, and the fixing assembly is used for fixing and limiting the insulating insertion tube 1.

Specifically, as shown in fig. 1 and 2, in the present embodiment, the fixing assembly includes: a fixing rod 4, a fixing ring 41 and a reinforcement. Wherein, this dead lever 4 is provided with many, the one end of these dead lever 4 all encircles and locates on this insulating intubate 1 body all around, and these dead lever 4 all insert the one end on insulating intubate 1 and be connected with locking lever 42, this locking lever 42 is mutually perpendicular with this dead lever 4, set up a plurality of locking grooves 13 with these locking lever 42 matched with on this insulating intubate 1, through setting up locking lever 42 and locking groove 13 structure of mutually supporting, can make dead lever 4 connect in insulating intubate 1 more firmly.

Meanwhile, the fixing ring 41 is disposed around one end of the fixing rods 4 away from the locking rods 42, and the fixing ring 41 is fixedly disposed in the insulating protective housing 3; this reinforcement sets up in insulating protective housing 3, and this reinforcement and this solid fixed ring 41 mutually support, through setting up the structure that solid fixed ring 41 and reinforcement mutually supported, can be so that insulating intubate 1 stabilizes and fixes in insulating protective housing 3 to can reduce metal pipe 11 and insulating intubate 1 the not hard up condition of appearing, and then can make the DC plug can normally work.

Specifically, as shown in fig. 1, in the present embodiment, the reinforcement includes: a reinforcement hole 411 and a reinforcement rod 412. A plurality of reinforcing holes 411 are formed, and the reinforcing holes 411 are formed in the fixing ring 41; the reinforcing rods 412 are provided with a plurality of reinforcing rods 412, the reinforcing rods 412 are matched with the reinforcing holes 411, so that the reinforcing rods 412 can penetrate through the reinforcing holes 411, and the fixing ring 41 can be more stably connected to the insulation protection shell 3 by the structure that the reinforcing holes 411 and the reinforcing rods 412 are matched with each other.

As shown in fig. 1, in order to enable the insulating insertion tube 1 and the inner plug core 2 to be more firmly combined, in the present embodiment, a limiting member is disposed between the insulating insertion tube 1 and the inner plug core 2, and the limiting member enables the insulating insertion tube 1 and the inner plug core 2 to be more effectively fitted together.

Specifically, as shown in fig. 1, in the present embodiment, the position limiter includes: limiting groove 21, limiting block 22, spring 23 and clamping groove 12. Two limiting grooves 21 are formed in the inner plug core 2, and the two limiting grooves 21 are symmetrically formed in the insulating portion of the inner plug core 2; the two limiting blocks 22 are arranged, the two limiting blocks 22 are respectively arranged in the two limiting grooves 21, and the limiting blocks 22 can extend and retract in the limiting grooves 21; two springs 23 are arranged, one ends of the two springs 23 are connected in the groove wall of the limiting groove 21, and the other ends of the two springs 23 are fixedly connected to one side of the limiting block 22; the number of the clamping grooves 12 is two, the two clamping grooves 12 are respectively opened on the inner wall of the insulating insertion tube 1, and the clamping grooves 12 are matched with the limiting block 22.

When interior lock pin 2 and insulating intubate 1 mutually support, the inner wall of insulating intubate 1 and the mutual butt of stopper 22 on the interior lock pin 2, stopper 22 slides along spacing groove 21, make stopper 22 extrude spring 23, spring 23 receives the extrusion and contracts, when stopper 22 and the joint groove 12 on the insulating intubate 1 correspond each other, spring 23 resets and extrudes stopper 22, make stopper 22 support and push up in the joint groove 12, thereby make interior lock pin 2 and insulating intubate 1 interconnect be in the same place.

More specifically, as shown in fig. 1, in this embodiment, an inclined end surface is set at a side end surface of the limiting block 22 away from the limiting groove 21, and when the inner core insert 2 and the insulating insertion tube 1 are mutually matched, the limiting block 22 is better clamped into the clamping groove 12 by setting the end surface of the limiting block 22 to be the inclined end surface.

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. An improved DC plug, comprising: an insulating insertion tube (1) sleeved with a metal guide tube (11); an inner inserting core (2) inserted in the insulating inserting pipe (1); and the cover is located insulating protective housing (3) on insulating intubate (1) and interior plug core (2), its characterized in that, insulating intubate (1) with be provided with between insulating protective housing (3) and be used for right insulating intubate (1) is fixed spacing fixed subassembly, fixed subassembly includes: a plurality of fixing rods (4) with one ends connected to one side of the insulating insertion tube (1) and the other ends connected to the inner wall of the insulating protective shell (3); the fixing ring (41) is arranged in the insulating protective shell (3) and connected with the fixing rod (4); and the reinforcing member is arranged in the insulating protective shell (3) and matched with the fixing ring (41), and a limiting member is arranged between the insulating insertion tube (1) and the inner insertion core (2).

2. An improved DC plug as in claim 1, wherein said reinforcement comprises: a plurality of reinforcing holes (411) penetrating the fixing ring (41); and the reinforcing rod (412) is arranged in the insulating protective shell (3) and is matched with the reinforcing hole (411).

3. The improved DC plug of claim 1, wherein said limiter comprises: limiting grooves (21) symmetrically arranged on the insulating part of the inner ferrule (2); a limiting block (22) telescopically arranged in the limiting groove (21); one end of the spring (23) is connected with the groove wall of the limiting groove (21), and the other end of the spring is connected with the limiting block (22); and the clamping grooves (12) are symmetrically arranged on the inner wall of the insulating insertion pipe (1) and are clamped with the limiting blocks (22).

4. An improved DC plug as claimed in claim 3, wherein the end surface of the stopper (22) facing away from the stopper groove (21) is an inclined end surface.

5. An improved DC plug as claimed in claim 1, wherein the end of the fixing rod (4) facing away from the fixing ring (41) is connected with a locking rod (42), and the insulating insertion tube (1) is provided with a plurality of locking grooves (13) matching with the locking rod (42).

6. An improved DC plug according to claim 1, characterized in that the insulating insertion tube (1) has a flared mouth (14) formed therein for mating with the inner ferrule (2).

7. An improved DC plug as claimed in claim 1, wherein the insulating protective shell (3) is symmetrically provided with anti-slip portions (31).

8. An improved DC plug as claimed in claim 7, wherein a plurality of anti-slip bumps (32) are provided in the anti-slip portion (31).