CN101399415B

CN101399415B - Micro socket for USB

Info

Publication number: CN101399415B
Application number: CN2007101629519A
Authority: CN
Inventors: 林志明; 史晋才
Original assignee: BAIRONG ELECTRONICS Co Ltd
Current assignee: BAIRONG ELECTRONICS Co Ltd; Excel Cell Electronic Co Ltd
Priority date: 2007-09-28
Filing date: 2007-09-28
Publication date: 2011-06-22
Anticipated expiration: 2027-09-28
Also published as: CN101399415A

Abstract

A micro universal serial bus (Micro USB) socket comprises a terminal block, an outer shell for the terminal block to run through and an anti-withdrawal set. The anti-withdrawal set comprises an embedding buckle which is arranged on the terminal block, and a fastener which is arranged on the outer shell and is buckled with the embedding buckle. The embedding buckle is provided with a first inclined plane and an abutting surface opposite to the fastener. The fastener can be elastically deformed, and is provided with a location notch for accommodating the embedding buckle and an inner ring surface which encircles and defines the location notch and is opposite to the abutting surface. The guiding of the first inclined plane causes the elastic deformation of the fastener to reduce the resistance produced in the socket assembly process and facilitate the assembly, and the jointing of the inner ring surface and the abutting surface can enhance the anti-withdrawal effect.

Description

The socket of micro universal universal serial bus

Technical field

The present invention relates to a kind of socket of USB, particularly relate to a kind of socket that utilizes the snapping mode firmly to link the micro universal universal serial bus of terminal board and shell.

Background technology

Along with the progress in epoch, portable electric product has towards volume miniaturization and the light-weighted designer trends of weight, and for satisfying above-mentioned purpose, the electronic product related components also must be done relative improvement.

Consult Fig. 1,2, socket 1 for existing a kind of mini USB (Mini USB), be to be applicable to portable electric products such as mobile phone, PDA or digital camera, this socket 1 comprises a terminal board 2, and one comprises around the housing 3 of the perisporium 31 that limits a room 30.This terminal board 2 comprises a sheathing section 21, a joining section 22 by these sheathing section 21 extensions, and two be arranged at this joining section 22 respectively and have one the height h block 23, this joining section 22 is 2.5mm along the length D of an axis L direction, and described block 23 respectively has a stopping surface 231.This housing 3 comprises that also two relatively are provided with and by the elastic plate 32 of this housing 3 to these room 30 diagonally extendings.

Consult Fig. 3 to 5, during this socket 1 assembling, this housing 3 is maintained fixed, again this terminal board 2 is moved and makes this joining section 22 be arranged in the room 30 of this housing 3 toward these housings 3, simultaneously, described elastic plate 32 moves to the direction away from this room 30 because of the contact that is subjected to described block 23 respectively, treats that this sheathing section 21 and this housing 3 are mutually during contact, described elastic plate 32 breaks away from described block 23 respectively and rebounds to the direction of this room 30, and this socket 1 is promptly finished assembling.

When this housing 3 is subjected to pull out masterpiece time spent identical with mounting direction, the end face 321 of described elastic plate 32 will contact with the described stopping surface 231 of described block 23 respectively and produce the effect of anti-back, but in fact still have following shortcoming anxious to be solved:

One, because described elastic plate 32 is to these room 30 diagonally extendings, the part of fitting when described stopping surface 231 contacts with described end face 321 respectively is limited, therefore pull out power when big when this, will cause the end face 321 of described elastic plate 32 to break away from and make the inefficacy of anti-back effect with described stopping surface 231.

Two, for making each elastic plate 32 and this housing 3 keep suitable bonding strength, must make this elastic plate 32 reserve certain length D1 by these housing 3 extended spots to 31 of lateral margins of this housing 3, thereby make the length D of this joining section 22 need do relative engagement, like this will be to the target configuration obstacle of this socket 1 miniaturization.

Three, though can strengthen the area of described stopping surface 231 by the height h that increases described block 23 to obtain preferable anti-back effect, but will make like this in the assembling process, described elastic plate 32 respectively with described block 23 mutually the strength of contact increase, except described elastic plate 32 can strike off described block 23 respectively and causes the height h of described block 23 reduces, resistance in the time of also can making assembling increases, in addition, be the height h that cooperates described block 23 to increase, the room 30 of this housing 3 also must increase, the volume that is to say this housing 3 must strengthen, like this, equally can be to the target configuration obstacle of this socket 1 miniaturization.

Summary of the invention

A purpose of the present invention is to provide a kind of being easy to assemble, have preferable anti-back effect, and the socket of the micro universal universal serial bus of miniaturization more (Micro USB).

The invention is characterized in: the socket of this micro universal universal serial bus comprises a terminal board, the shell that this terminal board of confession wears, and an anti-back group.

This anti-back group comprises that one is arranged at the buckle spare of this terminal board, and one be arranged at this shell and with the fastener of this buckle spare snapping, this buckle spare has one first inclined plane, reach a bearing surface relative with this fastener, this fastener is can strain and have the location notch of ccontaining this buckle spare, and one surrounds and limits this location notch and the inner ring surface relative with this bearing surface.

This shell, comprise a fluting that extends along this axis direction by a lateral margin of this perisporium and an axes intersect around the perisporium that limits a room that wears for this terminal board, two, reach two bending members that are arranged at these axis both sides respectively and extend towards this terminal board Hou side by this perisporium, each fluting is between the fastener of wherein a bending member and this anti-back group, and this fastener is to be extended and between described fluting toward this buckle spare by this perisporium.

Beneficial effect of the present invention is: by the guiding on this first inclined plane, can reduce the resistance that produces in this socket assembling process and be easier to assembling, and utilize this inner ring surface and this bearing surface to fit, can make the enhancing of anti-back effect.

Description of drawings

Fig. 1 is a vertical view, and the socket of existing a kind of mini USB is described.

Fig. 2 is a cutaway view, and a housing of this socket and the composition of a terminal board are described.

Fig. 3 is a cutaway view, when the assembling of this socket is described, two blocks respectively with the two elastic plates situation of contact mutually.

Fig. 4 is a vertical view, and the sheathing section that this terminal board is described and this housing be the situation of contact mutually.

Fig. 5 is a cutaway view, and the relative position of described block and described elastic plate is described when this socket assembling is finished.

Fig. 6 is a perspective view, illustrates that a preferred embodiment of the present invention is applied to the situation of a micro universal serial bus plug.

Fig. 7 is a vertical view, and a terminal board of this preferred embodiment and the composition of a shell are described.

Fig. 8 is a cutaway view, and the composition of an anti-back group of this preferred embodiment is described.

Fig. 9 is a cutaway view, and when this preferred embodiment assembling was described, a fastener and one first inclined plane be the situation of contact mutually.

Figure 10 is a vertical view, illustrates when this preferred embodiment assembling is finished, and two blocked ear portions of this terminal board and this shell be the situation of contact mutually.

Figure 11 is a cutaway view, and the situation that an inner ring surface is relative with a bearing surface is described when this preferred embodiment assembling is finished.

Embodiment

The present invention is described in detail below in conjunction with drawings and Examples:

Consult Fig. 6 to 8, the socket 4 of micro universal universal serial bus of the present invention (Micro USB) can provide a micro universal universal serial bus (Micro USB) plug 8 to connect when using and use, this socket 4 comprises a terminal board 5, a shell 6 that supplies this terminal board 5 to wear, and an anti-back group 7 that comprises a buckle spare 71 and a fastener 72, this shell 6 comprises one around the perisporium 61 that limits the room 60 that this terminal board 5 of confession wears.

This terminal board 5 comprises that an extension 51 that is arranged in this perisporium 61, extends and be arranged in the joining section 52 of this perisporium 61 by this extension 51 along an axis L1 direction, and one extend the sheathing section 53 of this perisporium 61 by this joining section 52 along this axis L1 direction, wherein, this joining section 52 has one second inclined plane 521, this sheathing section 53 have two lay respectively at this axis L1 both sides and with this perisporium 61 blocked ear portion 531 of contact mutually, an and depressed part 532 that is arranged with between described blocked ear portion 531.

This shell 6 is to wear for this terminal board 5, and comprise the fluting 63 that two lateral margins 611 that intersected by this perisporium 61 and this axis L1 extend along this axis L1 direction, and two bending member 62 that is arranged at this axis L1 both sides respectively and extends to the sheathing section 53 at these terminal board 5 rears by this perisporium 61,, each fluting 63 is wherein between a bending member 62 and this fastener 72.

The buckle spare 71 of this anti-back group 7 is to be arranged at this joining section 52, this fastener 72 be arranged at this shell 6 and with this buckle spare 71 snappings.This buckle spare 71 is end faces 522 that are arranged at this joining section 52, and have one first inclined plane 711, a bearing surface 712, reach the plane 713 of this first inclined plane 711 of a connection and this bearing surface 712, second inclined plane 521 of this terminal board 5 is to be connected with these plane 713 interval settings and with this first inclined plane 711, and along this axis L1 direction, the distance D 2 of a side 523 to each blocked ear portion 531 that this joining section 52 is connected with this extension 51 is 0.6mm, and the length D2 that is to say this joining section 52 is 0.6mm.This fastener 72 is can strain and extended to this buckle spare 71 by this perisporium 61, and the location notch 721, with ccontaining this buckle spare 71 surrounds the inner ring surface 722 that limits this location notch 721, and a lead angle 723 corresponding to this first inclined plane 711.

Consult Fig. 9 to 11, during these socket 4 assemblings, this shell 6 is maintained fixed, again this terminal board 5 is moved and makes this extension 51 and this joining section 52 be arranged in this room 60 to this shell 6, simultaneously, the lead angle 723 of this anti-back group 7 is and this first inclined plane 711 contact and move along this first inclined plane 711 mutually, and make this fastener 72 produce strain, when the described sheathing section 53 of this terminal board 5 and this shell 6 mutually during contact, an end face 724 that is provided with at interval with this inner ring surface 722 in this fastener 72 and is connected with this lead angle 723 comes down to trim with an end face 533 of this depressed part 532, this inner ring surface 722 is relative with the bearing surface 712 of this buckle spare 71, respectively described bending member 62 is protruded out the part bending of this sheathing section 53 again and fit with this sheathing section 53, at this moment, this socket 4 is promptly finished assembling.

Via above explanation, advantage of the present invention can be summarized as follows:

One, because in the above-mentioned assembling process, this fastener 72 is to produce strain by the guiding on this first inclined plane 711, therefore except that reducing this fastener 72 is easier to the resistance of 71 of this buckle spares assemble in the assembling process, can also avoid this buckle spare 71 struck off by this fastener 72 and the height H of this bearing surface 712 is reduced.

When two, this fastener 72 is with this buckle spare 71 snappings, this inner ring surface 722 is relative with this bearing surface 712, therefore, when this shell 6 is subjected to pull out masterpiece time spent identical with mounting direction, this inner ring surface 722 is complete and this bearing surface 712 is fitted, therefore, these fastener 72 unlikely generations and existing described elastic plate 32 have preferable anti-back effect with the phenomenon of described block 23 disengagings, and described bending member 62 is protruded out the part bending of this sheathing section 53 and fit with this sheathing section 53, more can be so that the anti-back effect strengthens.

Three, because the setting of this fastener 72, do not need to reserve this length D1 and promptly can keep good bonding strength with this shell 6 as existing this elastic plate 32 to 31 of lateral margins of this housing 3, the length D2 that is to say this joining section 52 can be short than this length D1, so this shell 6 miniaturization more.

What deserves to be explained is that this second inclined plane 521 also be non-essential member with this plane 713, this fastener 72 can produce strain by the guiding on this first inclined plane 711 equally, and then the resistance in the reduction assembling process.

Conclude above-mentioned, the present invention is by the guiding on this first inclined plane 711, can reduce the resistance that produces in the assembling process and be easier to assembling, and the setting that utilizes this fastener 72 and described bending member 62 is except that can making the enhancing of anti-back effect, can also make this shell 6 miniaturization more, so can reach the purpose of invention really.

Claims

1. the socket of a micro universal universal serial bus comprises a terminal board, a shell that supplies this terminal board to wear, and an anti-back group, it is characterized in that:

This anti-back group comprises that one is arranged at the buckle spare of this terminal board, and one be arranged at this shell and with the fastener of this buckle spare snapping, this buckle spare has one first inclined plane, reach a bearing surface relative with this fastener, this fastener is can strain and have the location notch of ccontaining this buckle spare, and one surrounds and limits this location notch and the inner ring surface relative with this bearing surface; And

This shell comprises a fluting that is extended along this axis direction by a lateral margin of this perisporium and an axes intersect around the perisporium that limits a room that wears for this terminal board, two, and two be arranged at these axis both sides respectively and by the bending member of this perisporium towards this terminal board rear extension, each fluting is between the fastener of wherein a bending member and this anti-back group, and this fastener is to be extended and between described fluting toward this buckle spare by this perisporium.

2. the socket of micro universal universal serial bus as claimed in claim 1 is characterized in that: this fastener also has a lead angle corresponding to this first inclined plane.

3. the socket of micro universal universal serial bus as claimed in claim 2, it is characterized in that: this terminal board comprises that an extension that is arranged in this perisporium, extends and be arranged in the joining section of this perisporium by this extension along this axis direction, and one extend the sheathing section of this perisporium by this joining section along this axis direction, this sheathing section have two lay respectively at these axis both sides and with this shell blocked ear portion of contact mutually, the bending member of this shell is the sheathing section extension toward this perisporium, and the buckle spare of this anti-back group is to be arranged at this joining section.

4. the socket of micro universal universal serial bus as claimed in claim 3 is characterized in that: along this axis direction, the distance of the side that this joining section is connected with this extension to each blocked ear portion is 0.6mm.

5. the socket of micro universal universal serial bus as claimed in claim 4, it is characterized in that: this sheathing section has a depressed part that is arranged with between described blocked ear portion, is provided with at interval with this inner ring surface in this fastener and the end face that is connected with this lead angle comes down to trim with an end face of this depressed part.

6. the socket of micro universal universal serial bus as claimed in claim 3, it is characterized in that: this sheathing section has a depressed part that is arranged with between described blocked ear portion, is provided with at interval with this inner ring surface in this fastener and the end face that is connected with this lead angle comes down to trim with an end face of this depressed part.

7. the socket of micro universal universal serial bus as claimed in claim 2, it is characterized in that: this terminal board comprises that an extension that is arranged in this perisporium, extends and be arranged in the joining section of this perisporium by this extension along this axis direction, and one extend the sheathing section of this perisporium by this joining section along this axis direction, this sheathing section have two lay respectively at these axis both sides and with this shell blocked ear portion of contact mutually.

8. the socket of micro universal universal serial bus as claimed in claim 7 is characterized in that: along this axis direction, the distance of the side that this joining section is connected with this extension to each blocked ear portion is 0.6mm.

9. the socket of micro universal universal serial bus as claimed in claim 8, it is characterized in that: this sheathing section has a depressed part that is arranged with between described blocked ear portion, is provided with at interval with this inner ring surface in this fastener and the end face that is connected with this lead angle comes down to trim with an end face of this depressed part.

10. the socket of micro universal universal serial bus as claimed in claim 7, it is characterized in that: this sheathing section has a depressed part that is arranged with between described blocked ear portion, is provided with at interval with this inner ring surface in this fastener and the end face that is connected with this lead angle comes down to trim with an end face of this depressed part.