CN2678165Y

CN2678165Y - Memory card connector

Info

Publication number: CN2678165Y
Application number: CNU200420002446XU
Authority: CN
Inventors: 王明德
Original assignee: Jincheng Plastic & Rubber Industry Co Ltd
Current assignee: Jincheng Plastic & Rubber Industry Co Ltd
Priority date: 2004-01-19
Filing date: 2004-01-19
Publication date: 2005-02-09
Anticipated expiration: 2014-01-19

Abstract

The utility model relates to a memory card connector, comprising an insulating body, a shielding casing and a pushing assembly. One side of the insulating body is equipped with a write protection device, and the write protection device is composed of a pressing terminal, a write protection terminal and an inductive terminal and is characterized in that the pressing terminal comprises a pressing part having elasticity and a contact part; when a memory card is inserted in a connector, the side edge of the memory card can be pressed on the pressing part, and the contact part is driven to be moved toward the write protection terminal and contacted and conducted with the write protection terminal, and the best contacting and conducting effect can be kept.

Description

Memory card connector

Technical field

The utility model relates to a kind of memory card connector, relates in particular to the phenomenon that a kind of terminal that makes the memory card connector with write-protect function can not produce elastic fatigue, can keep the memory card connector of best contact conducting effect.

Background technology

At consumption electronic products, as all using memory card miscellaneous in the electronic products such as mobile phone, digital camera, MP3 player or personal digital aid (PDA), as CF card (CompactFlash card), mmc card (Multimedia card) and SD card (Secure Digital card) etc.In addition, connector provides widely that memory card is connected the location with the plant of electronic product, makes to form between the two to be electrically connected and the interchange of transfer of data, and the function of moving back card is provided after above-mentioned action is finished.Therefore, connector drives the dependency structure of memory card, and long-term durability must be arranged, could repeatable operation, keep the demand of electronic product extended function.

Fig. 1 is a kind of known memory card connector 10a, and connector 10a is used for supplying a memory card to push and plants.As shown in Figure 1, comprise that an insulating body 1a, promotes assembly 2a and write protector 3a.Insulating body 1a has a base portion 11a, the left and right two ends of base portion 11a vertical extent has the first parallel each other arm 12a and the second arm 13a, make the plant space 14a that can supply memory card to push around formation one between base portion 11a and first, second arm 12a, the 13a, be provided with promotion assembly 2a at the first arm 12a and base portion 10a adjacent.

The second arm 13a of insulating body 1a is provided with a write protector 3a, and write protector 3a is made of press terminal 31a, write-protect terminal 32a and induction terminal 33a.Wherein, press terminal 31a has an arcuation contact site 311a and a weld part 312a who compresses mutually with memory card; write-protect terminal 32a has an arcuation contact site 321a and a weld part 322a who compresses mutually with the write-protect switch of memory card, and induction terminal 33a has a dull and stereotyped contact site 331a and a weld part 332a who leans with the end 323a of write-protect terminal 32a.When desiring to make memory card be in write-protected state; write-protect switch on the memory card is allocated to the write-protect position; after again memory card being inserted in the connector 10a; the arcuation contact site 311a of press terminal 31a can be subjected to the compressing of memory card side and move and be in contact with one another conducting to write-protect terminal 32a place; at this moment; the write-protect switch of memory card is because of pulling out to write-protect place; make write-protect terminal 32a not be subjected to the compressing of write-protect switch and can't touch mutually with induction terminal 33a; and on behalf of memory card, the information of sending be in the write-protect state, makes memory card reach write-protected purpose.

The contact site 311a of the push switch 31a of above-mentioned known memory card connector 10a directly is subjected to the compressing of memory card and produces a strain; force it to contact with write-protect terminal 32a; this structure can produce elastic fatigue because of long-term distortion after use, and produces the situation of loose contact along with the increase of elastic fatigue.

In view of above-mentioned problems of the prior art, the utility model designer is by means of being engaged in the sector experience for many years, and in line with excelsior spirit, the active research improvement has the generation of the utility model " memory card connector " then.

Content of the present utility model

Main purpose of the present utility model is to provide a kind of memory card connector, makes the terminal of this memory card connector can not produce the phenomenon of elastic fatigue, can keep best contact conducting effect.

This memory card connector that is characterised in that of the present utility model is made up of an insulating body, a shielding casing and a promotion assembly.Side at insulating body is provided with write protector, and this write protector is made up of press terminal, write-protect terminal and induction terminal, and wherein, this press terminal includes a rubber-like press section and a contact site.After memory card inserted in the connector, the side of memory card can compress the press section, related make contact site to the write-protect terminal move and with the conducting of write-protect end in contact.

In the utility model; because the contact site and the write-protect terminal distance of this press terminal are nearer, and itself are not subjected to compressing of memory card, therefore can not produce the phenomenon of elastic fatigue; make to contact smooth and easy stablely between press terminal and write-protect terminal, kept best contact conducting effect.

Brief description of drawings

Fig. 1 is the decomposing schematic representation of known memory card connector;

Fig. 2 is the memory card connector of the utility model embodiment and the decomposing schematic representation of write protector;

Fig. 3 is assembled in the interior combination schematic diagram of memory card connector for the write protector of the utility model embodiment;

Fig. 4 is assembled in the interior enlarged diagram of memory card connector for the write protector of the utility model embodiment;

Fig. 5 is the vertical view of the memory card connector of the utility model embodiment;

But the schematic diagram when being write state in the memory card insertion memory card connector of Fig. 6 for the utility model embodiment;

Schematic diagram when being the write-protect state in the memory card insertion memory card connector of Fig. 7 for the utility model embodiment.

In the accompanying drawing, the list of parts of each label representative is as follows:

10a-connector 1a-insulating body

11a-base portion 12a-first arm

The 13a-second arm 14a-plant space

2a-promotes assembly 3a-write protector

31a-press terminal 32a-write-protect terminal

33a-induction terminal 323a-end

311a, 321a, 331a-contact site

312a, 322a, 332a-weld part

10-connector 20-memory card

201-write-protect switch 1-insulating body

11-base portion 12-first arm

The 13-second arm 14-plant space

15-plant track 2-promotes assembly

3-write protector 31-press terminal

312-press section 32-write-protect terminal

33-induction terminal 324-end

311,321,331-support arm

313,322,332-contact site

314,323,333-weld part

Embodiment

Relevant detailed description of the present utility model and technology contents, conjunction with figs. is described as follows, and accompanying drawing only provides reference and explanation usefulness, is not to be used for limiting the utility model.

" memory card connector " that the utility model is a kind of, as Fig. 2, shown in Figure 3, memory card connector 10 is used for inserting for a memory card 20 (as shown in Figure 6), comprises that an insulating body 1, promotes an assembly 2 and a write protector 3.

Wherein, insulating body 1 has a base portion 11, base portion 11 left and right two ends vertical extent have one first parallel each other arm 12 and one second arm 13, a side that is insulating body 1 is first arm 12, opposite side is second arm 13, and centers on the plant space 14 that formation one pushes for memory card 20 between first and

second arm

12,13 and the base portion 11.The inboard plant track 15 that forms is convenient to the plant of memory card 20 between first and

second arm

12,13 and base portion 11.

Promoting assembly 2 and be positioned on first arm 12 of insulating body 1, because it is same as the prior art to promote the structure of assembly 2, and is not the category that the utility model is applied for a patent, so no longer given unnecessary details.

As shown in Figure 2, write protector 3 is installed on second arm 13 of insulating body 1, is made of press terminal 31, write-protect terminal 32 and induction terminal 33.Wherein, press terminal 31 is provided with a support arm 311, extends respectively on the support arm 311 to be provided with rubber-like press section 312 and contact site 313, and the extension of support arm 311 other ends is provided with the weld part 314 that is welded to connect with printed circuit board (PCB).Write-protect terminal 32 also is provided with a support arm 321, and support arm 321 1 ends have an arcuation contact site 322 that can compress mutually with the write-protect switch 201 of memory card 20, and support arm 321 other ends extend and are provided with weld part 323.Induction terminal 33 also is provided with a support arm 331, and support arm 331 1 ends have a dull and stereotyped contact site 332 inconsistent with the contact site 322 of write-protect terminal 32, and support arm 331 other ends extend and are provided with weld part 333.

As Fig. 3, Fig. 4 and shown in Figure 5; when write protector 3 being installed on second arm 13; the press section 312 of press terminal 31 and the arcuation contact site 322 of write-protect terminal 32 are arranged in the plant track 15 of second arm, 13 1 sides; the support arm 321 of the contact site 313 contiguous write-protect terminals 32 of press terminal 31, the dull and stereotyped contact site 332 of the end 324 proximity sensing terminals 33 of the arcuation contact site 322 of write-protect terminal 32.

As shown in Figure 6, when desiring to make memory card 20 be in writeable state, but the write-protect switch on the memory card 20 201 is allocated to writing position, again memory card 20 is inserted in the memory card connector 10 along plant track 15.At this moment; the press section 312 of press terminal 31 can be subjected to the compressing of memory card 20 sides and produce deformation displacement; the contact site 313 that is connected with press section 312 one is and then moved to write-protect terminal 32, make contact site 313 touch the support arm 321 of write-protect terminal 32 and contact conducting.Because the write-protect switch 201 of memory card 20 is in writeable position; contact site 322 corresponding to write-protect terminal 32; make the contact site 322 of write-protect terminal 32 be subjected to the compressing of write-protect switch 201 and produce deformation displacement; the end 324 that makes write-protect terminal 32 conducting that contacts with the contact site 332 of induction terminal 33, the information of promptly can sending is in the writeable state memory card 20.

As shown in Figure 7; when desiring to make memory card 20 be in the write-protect state; write-protect switch on the memory card 20 201 is allocated to write-protected position; after inserting memory card 20 in the connector 10 again; the press section 312 of press terminal 31 can be subjected to the compressing of memory card 20 sides and produce deformation displacement; the contact site that is connected with press section 312 one 313 is and then moved toward write-protect terminal 32 places, make contact site 313 touch the support arm 321 of write-protect terminal 32 and contact conducting.At this moment; the write-protect switch 201 of memory card 20 is because of being allocated to write-protect place; the contact site 322 that makes write-protect terminal 32 is not because of being subjected to the compressing of write-protect switch 201; therefore the end 324 of write-protect terminal 32 can't be touched mutually with the contact site 332 of induction terminal 33, and the information of sending is in the write-protect state memory card 20.

In the utility model; because the contact site 312 and write-protect terminal 32 close together of press terminal 31; and itself is not subjected to compressing of memory card 20; therefore can not produce the phenomenon of elastic fatigue; guaranteed that press terminal 31 and contacting of 32 of write-protect terminals are smooth and easy stable, and kept best contact conducting effect.

In sum, " memory card connector " of the present utility model can reach described effect by above-mentioned structure really.The utility model is not published yet unexposed use the on any publication before application, meet practicality, novelty, the creationary main points of utility model patent.

Above-mentioned accompanying drawing and explanation only are embodiment of the present utility model, but be not for limiting embodiment of the present utility model, other equivalence that every those skilled in the art do according to technical characterictic of the present utility model changes or modifies, and includes in claim of the present utility model.

Claims

1. memory card connector comprises:

One insulating body, described insulating body has a base portion, and described base portion is provided with a plurality of contact terminals, and the left and right two ends of described base portion vertical extent has two parallel each other arms; And

One write protector is installed on the described arm, and described write protector is made up of press terminal, write-protect terminal and induction terminal;

It is characterized in that described press terminal is provided with a support arm, one is connected with a rubber-like press section and a contact site on described support arm, and the extension of the support arm other end is provided with weld part.

2. memory card connector as claimed in claim 1; it is characterized in that described write-protect terminal is provided with a support arm; described support arm one end has an arcuation contact site that can compress mutually with the write-protect switch of memory card, and the described support arm other end extends and is provided with a weld part.

3. memory card connector as claimed in claim 1 is characterized in that described induction terminal is provided with a support arm, described support arm one end have one with the inconsistent dull and stereotyped contact site of write-protect terminal, the described support arm other end extends and is provided with a weld part.