CN202817253U

CN202817253U - Improved structure of USB socket

Info

Publication number: CN202817253U
Application number: CN 201220254873
Authority: CN
Inventors: 刘俊宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-07
Filing date: 2012-05-31
Publication date: 2013-03-20
Anticipated expiration: 2022-05-31
Also published as: TWM424682U

Abstract

An improved structure of USB socket mainly includes: a USB circuit unit, a group of inner shells coated outside the USB circuit unit, a shell cover, a locking piece locked on the external thread of the shell cover and a soft sealing cover, wherein the USB circuit unit comprises a circuit board and a USB socket, the positive pole and the negative pole of the circuit board are respectively arranged at the bottom end and the side edge, and a negative electric conducting sheet is arranged on one inner shell to make the negative pole of the circuit board contact with the negative electric conducting sheet, and a bottom end cover with a positive electric conducting sheet in the center is combined and processed at the bottom end of the two inner shells to quickly form the electric connection of the positive pole and the negative pole of the circuit board, thus improving the assembly efficiency, the outer edge of the shell cover is provided with an external thread, and two corresponding edges of the external thread form a flat tangent plane without thread, the shell cover can be quickly locked on a fixed panel through the structure, meanwhile, the shell cover is also provided with a soft sealing cover, and the socket of the shell cover can be sealed by, so as to achieve the purpose of dust prevention and water prevention.

Description

The USB socket structure-improved

Technical field

The relevant a kind of USB socket of the utility model, espespecially a kind of grafting does not firmly take up space, and the positive and negative electrode that assembling can be realized fast is electrically connected design, and has the quick thread lock group design of casing and have the USB socket structure-improved that dustproof and waterproof designs.

Background technology

Usually, existing automobile-used cigarette lighter socket 8 as shown in Figure 8, because of general requirements long, short different, therefore, when insert group cigarette lighter plug 81, different from cigarette lighter socket 8 because of length specification sometimes, and generation does not have the situation of turn-on power, and when generally wish was used USB plug 83 on car, it mostly was located at USB socket 82 end of cigarette lighter plug 81, pegged graft for USB plug 83 and used, but existing cigarette lighter plug 81 is when inserting USB socket 82, its USB plug 83 that still leaves a large segment length except occupying interior space, also occurs because being touched loosening situation of cutting off the power supply outside USB socket 82 easily.

The utility model content

In order to solve the existing problem of prior art, the utility model provides a kind of USB socket structure-improved, it comprises that a USB circuit unit, one group are coated on this USB circuit unit outer inner housing, a casing, a lock and organize in the externally threaded locking part of casing, wherein

This USB circuit unit comprises circuit board and is located at the USB socket that circuit board one end is pegged graft for USB plug, the positive pole of circuit board and negative pole, be located at respectively bottom and side, and on an inner housing wherein, be provided with and consist of the negative electricity conducting strip that negative electricity is connected with the contact of circuit board negative pole, this group inner housing docking combination is made the set negative electricity conducting strip of circuit board negative pole and an inner housing wherein contact, and the bottom cover that utilizes central authorities to have the positive electricity conducting strip is combined in the bottom of two inner housings, and with ultrasonic waves processing combination, and the positive electricity conducting strip that bottom cover central authorities are had contacts with the positive pole of circuit board bottom, and the positive pole of quick forming circuit plate and the electrical connection of negative pole, in this casing outer rim, be provided with external screw thread, and in externally threaded two corresponding sides, form a threadless side grain, and by being provided with on the external screw thread of locking part cover group at casing of one group of correspondence partial screw threads section in endoporus one, make this group partial screw threads section threadless side grain of alignment housings cover outer rim of locking part slip into locked position, make the partial screw threads section of its endoporus and the external screw thread interlock of casing by the rotation lock firmware, and the casing locking is positioned on the fixed panel.

Utilize the utility model, because on inner housing, be provided with and consist of the negative electricity conducting strip that negative electricity is connected with the contact of circuit board negative pole, this group inner housing docking combination is made the set negative electricity conducting strip of circuit board negative pole and a housing wherein contact, and the bottom cover that utilizes central authorities to have the positive electricity conducting strip is combined in the bottom of two inner housings, processes combination by ultrasonic waves, and the positive pole of quick forming circuit plate and the electrical connection of negative pole, and then promote packaging efficiency.

Utilize the utility model, when making this group partial screw threads section threadless side grain of alignment housings cover outer rim of locking part be slipped into nearly locked position, the rotation lock firmware makes the partial screw threads section of its endoporus and the external screw thread of casing produce interlock again, and can fast the casing locking be positioned on the fixed panel, save built-up time.

And the utility model is provided with a flexible sealing cover by organizing separately at casing, can utilize flexible sealing cover with the socket sealing of casing, to reach the purpose of dustproof and waterproof at ordinary times.

Description of drawings

Fig. 1 is three-dimensional exploded view of the present utility model.

Fig. 2 is the three-dimensional exploded view of the utility model inner housing, circuit board and USB socket section.

Fig. 3 is the three-dimensional exploded view that the utility model is locked in fixed panel.

Fig. 4 is the stereogram that the utility model is locked in fixed panel.

Fig. 5 is the cutaway view of the utility model locking part when not being inserted in this group side grain of casing external screw thread.

End view when Fig. 6 is this group partial screw threads section this group side grain of alignment housings cover external screw thread of the utility model locking part endoporus.

Fig. 7 is that the utility model locking part is inserted in this group side grain of casing external screw thread and the cutaway view when locking.

Fig. 8 is the three-dimensional exploded view of existing cigarette lighter socket and plug.

Description of reference numerals: 1-USB circuit unit; The 11-circuit board; The 111-negative pole; 112-is anodal; 12,82-USB socket; 121-LED; The 2-inner housing; 21-negative electricity conducting strip; The 22-catching groove; The 23-clasp; The 24-bottom cover; 241-positive electricity conducting strip; The 25-raised line; The 3-casing; 31,41-endoporus; The 311-groove; The 32-external screw thread; The 321-side grain; The 4-locking part; 42-partial screw threads section; The 5-flexible sealing cover; The 6-fixed panel; 7,83-USB plug; The 8-cigarette lighter socket; The 81-cigarette lighter plug.

Embodiment

See also Fig. 1, Fig. 2 and shown in Figure 3, the relevant a kind of USB socket structure-improved of the utility model, it mainly comprises: a USB circuit unit 1, one group of inner housing 2 that is coated on outside this USB circuit unit 1, one casing 3, one lock is organized locking part 4 members such as grade in casing 3 external screw threads 32, wherein this USB circuit unit 1 comprises circuit board 11 and is located at the USB socket 12 that circuit board 11 1 ends are pegged graft for USB plug 7, the positive pole 112 of circuit board 11 and negative pole 111, be located at respectively bottom and side, and on an inner housing 2 wherein, be provided with and consist of the negative electricity conducting strip 21 that negative electricity is connected with 111 contacts of circuit board 11 negative poles, the 2 docking combinations of this group inner housing are made the set negative electricity conducting strip 21 of circuit board 11 negative poles 111 and an inner housing 2 wherein contact, and the bottom cover 24 of a central zone positive electricity conducting strip 241 is combined in the bottom of two inner housings 2 and with ultrasonic waves processing combination, and the positive electricity conducting strip 241 that bottom cover 24 central authorities are had contacts with the positive pole of circuit board 11 bottoms, and the positive pole 112 of quick forming circuit plate 11 and the electrical connection of negative pole 111, and then lifting packaging efficiency, be provided with LED 121 in circuit board 11, to show whether circuit is in on-state.

Please cooperate again Fig. 5, Figure 6 and Figure 7, wherein in endoporus 31 walls of casing 3, be provided with one group of axial notch 311, and can should embed by the formed raised line 25 in the group inner housing 2 relative outsides for aforementioned, this group raised line 25 is in the structure that these inner housing 2 assembly can be slipped into and be positioned this group axial notch 311 during to the endoporus of this casing 3, thereby but inner housing 2 fast assemblings that make combination be coated with USB socket 12 and circuit board 11 are positioned casing 3 endoporus 31, do not rotate, and should organize between the inner housing 2, be respectively equipped with corresponding clasp 23 and catching groove 22, and can mutually detain solid combination, in these casing 3 outer rims, be provided with external screw thread 32, and in two corresponding sides of external screw thread 32, form a threadless side grain 321, and by being provided with on the external screw thread 32 of locking part 4 cover groups at casing 3 of one group of correspondence partial screw threads section 42 in endoporus 41 one, and the threadless side grain 321 of outer rim that makes this group partial screw threads section 42 alignment housings cover 3 of locking part 4 is when being slipped into nearly locked position, rotation lock firmware 4 makes the partial screw threads section 42 of its endoporus 41 and the external screw thread 32 generation interlocks of casing 3 again, and can fast casing 3 lockings be positioned on the fixed panel 6 such as Fig. 5, Figure 6 and Figure 7, simultaneously on casing 3, organize separately and be provided with a flexible sealing cover 5, in the socket sealing that can utilize at ordinary times flexible sealing cover 5 with casing 3, with the purpose that reaches dustproof and waterproof as shown in Figure 4.

This is novel to be a kind ofly can paste neat USB cigarette lighter socket with fixed panel 6, can be used on the car for 3C Product power supply or charging, on the ship, power for 3C Product on the outdoor locomotive or charge, be not limited to cigar lighter use on the car.

In sum, the utlity model has the electrical connection of positive pole that quick forming circuit plate is provided and negative pole and then promote packaging efficiency, can fast the casing locking be positioned to save on the fixed panel effect of built-up time and dustproof and waterproof.

Claims

1. USB socket structure-improved comprises that a USB circuit unit, one group are coated on this USB circuit unit outer inner housing, a casing, a lock and organize in the externally threaded locking part of casing, it is characterized in that:

Wherein this USB circuit unit comprises circuit board and is located at the USB socket that circuit board one end is pegged graft for USB plug, the positive pole of circuit board and negative pole are located at respectively its bottom and side, and on an inner housing wherein, be provided with and consist of the negative electricity conducting strip that negative electricity is connected with the contact of circuit board negative pole, this group inner housing docking combination is made the set negative electricity conducting strip of circuit board negative pole and an inner housing wherein contact, and the bottom cover that central authorities have a positive electricity conducting strip is combined in the bottom of two inner housings, and with ultrasonic waves processing combination, and the positive electricity conducting strip that bottom cover central authorities are had contacts with the positive pole of circuit board bottom, and the positive pole of quick forming circuit plate and the electrical connection of negative pole, in this casing outer rim, be provided with external screw thread, and in externally threaded two corresponding sides, form a threadless side grain, and by being provided with on the external screw thread of locking part cover group at casing of one group of correspondence partial screw threads section in endoporus one, make this group partial screw threads section threadless side grain of alignment housings cover outer rim of locking part slip into locked position, make the partial screw threads section of its endoporus and the external screw thread interlock of casing by the rotation lock firmware, and the casing locking is positioned on the fixed panel.

2. USB socket structure-improved as claimed in claim 1, it is characterized in that, inner hole wall at casing, be provided with one group of axial notch, and relatively being formed with one group of raised line in the outside at this group inner housing, this group raised line shape is in the structure that this inner housing assembly can be slipped into and be positioned this group axial notch during to this casing endoporus.

3. USB socket structure-improved as claimed in claim 1 is characterized in that, between this group inner housing, is respectively equipped with corresponding clasp and catching groove.

4. USB socket structure-improved as claimed in claim 1 is characterized in that, on casing, organizes being provided with a flexible sealing cover separately, and this flexible sealing cover can be with the socket sealing of casing.