CN2791945Y - clamping structure - Google Patents
clamping structure Download PDFInfo
- Publication number
- CN2791945Y CN2791945Y CNU2005200084840U CN200520008484U CN2791945Y CN 2791945 Y CN2791945 Y CN 2791945Y CN U2005200084840 U CNU2005200084840 U CN U2005200084840U CN 200520008484 U CN200520008484 U CN 200520008484U CN 2791945 Y CN2791945 Y CN 2791945Y
- Authority
- CN
- China
- Prior art keywords
- connector
- card holding
- holding structure
- daughter board
- base portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a clamping structure, it sets up on a motherboard with an electric connector relatively for the card is held the corresponding end with the daughter board of this electric connector butt joint. The clamping structure is provided with a first connecting piece, a second connecting piece connected with the first connecting piece, two side connecting pieces extending from two ends of the first connecting piece to the side close to the electric connector respectively, and a pressing piece extending from two ends of the second connecting piece to the side close to the electric connector respectively. Each side connecting piece comprises a second stopping part and a blocking piece. Each blocking piece comprises a first supporting part, a first stopping part and a first guiding part. Each of the pressing pieces includes a second supporting portion, a second guiding portion, and a pressing portion. When the daughter board is butted with the matched electric connector and is pressed down to be parallel to the mother board, the corresponding end of the daughter board is clamped in a clamping space formed between the second stopping part and the corresponding pressing part, and the two sides of the daughter board are abutted by the first stopping part. The utility model has the advantages of wide application range and stable clamping.
Description
Technical field
The utility model relates to a kind of card holding structure, relates in particular to a kind of card holding structure that is used to hold the daughter board that docks with electric connector.
Background technology
The trend that be to adapt to the product miniaturization highdensityly on a motherboard is arranged side by side daughter board and does not increase total size, and Chinese patent application discloses the seed plate card holding structure of (as, storage card) for No. 200410001481.As shown in Figure 1, 2, this card holding structure 6 and a card edge connector 7 separations respect to one another are arranged on the circuit board (motherboard) 8, one card C, one end contacts with the terminal 70 of card edge connector 7 by its upper contact C1, the other end then holds by card holding structure 6 and is fixed on the circuit board 8, and then guarantees that its stable electrical with card edge connector 7 is connected.
After blocking C and card edge connector 7 tentatively dock, press down card C and make its respective end slip over the guiding face 620 of latch 63, the protuberance 67 of card holding structure 6 can insert in the corresponding hole clipping C2, and then will block the C location.Front, rear, left and right described herein direction is a benchmark with the positive view plane of Fig. 1 all.
Should have card holding structure now by the protuberance that can insert hole clipping on the daughter board is set, realize location daughter board.Because daughter board docks with connector with the angles of about 30 degree earlier, locate for making protuberance pass hole clipping smoothly it being pressed down in the process in the application, this protuberance size need be slightly smaller than the Breadth Maximum of hole clipping size.So daughter board might move horizontally among a small circle, is difficult to realize the strong fix of daughter board., or press down in the process slightly position deviation and all may pass in the hole clipping process and damage daughter board greater than hole clipping as protuberance at protuberance.In view of the foregoing, need badly existing card holding structure is improved.
The utility model content
The purpose of this utility model just is to provide a kind of card holding structure, and this card holding structure can be firm holds daughter board, and simple in structure, can not damage daughter board.
For achieving the above object, the utility model provides following technical scheme: a kind of card holding structure can hold a respective end that is arranged at the daughter board that docks with mating electrical connector on the motherboard.This card holding structure has one first connector, one second connector, these first connector two ends reach from these second connector two ends respectively to the compressing piece that extends near the electric connector side respectively to the two side connectors that extend near the electric connector side certainly.Each side connector comprises one second stopper section and a catch.When this daughter board and the butt joint of this mating electrical connector and press to when parallel with motherboard, the respective end of this daughter board is fastened in the space that holds that constitutes between second stopper section and corresponding compressing piece, and its both sides prop up for this catch.
Each side connector also comprises: a base portion from first connector extension, from the location division that base portion extends downwards, and bend and horizontally extending second weld part to the inside from base portion.Second stopper section extends upward near the second connector place from base portion.Each catch outwards further comprises from base portion top bending and horizontally extending first support portion, upwardly extending first stopper section, this first support portion certainly, and from first stopper section upwards, outward extending first guidance part.Each compressing piece comprise one from upwardly extending second support portion of second connector, from second support portion oblique second guidance part that extends down, and one from the bending of second guidance part to away from the horizontally extending pressure contact portion of electric connector direction.In addition, card holding structure comprises that also one connects first weld part of first connector and the second connector lower end.This first weld part and second weld part all can be soldered on the motherboard, work to fix this card holding structure.
The utility model prevents daughter board moving on front and back, above-below direction by the slide calliper rule space of compressing piece and second stopper section formation, props up the daughter board both sides by catch and prevents moving of its action direction.Than the mode that the card holding structure of prior art must cooperate with perforate on the daughter board, have simple, the advantage that fixing is stable.
Description of drawings
Fig. 1 is the vertical view before an existing card holding structure is installed with corresponding daughter board, electric connector;
Fig. 2 is that card holding structure is assemblied in the end view on the circuit board with corresponding daughter board, electric connector among Fig. 1;
Fig. 3 one is installed on the motherboard stereogram when planting for a daughter board according to card holding structure embodiment of the present utility model;
Fig. 4 is the stereogram of card holding structure among Fig. 3;
Fig. 5 is the vertical view of card holding structure among Fig. 4;
Fig. 6 is that daughter board docks with electric connector and is the end view of card holding structure after holding among Fig. 3;
Fig. 7 is the partial enlarged drawing that card holding structure holds the daughter board part among Fig. 6.
Embodiment
For better understanding the utility model, be described further below with reference to a preferred embodiment of the present utility model:
Shown in Fig. 3,6, one according to card holding structure 1 of the present utility model and an electric connector 2 separate being relatively arranged on the motherboard 3.This electric connector 2 has an insulating body 20, and the terminal 21 in some terminal containing slots that is contained in insulating body 20 200.One end of terminal 21 is welded on the motherboard 3, and the other end then docks with a daughter board 4 (present embodiment is an electronic cards) that inserts, thereby can realize being electrically connected of 3 of this electronic cards 4 and motherboards.Stability for guaranteeing to be electrically connected prevents electronic cards 4 and electric connector 2 improper disengagings, and butt joint opposite end (the calling the rear end in the following text) 40 of the electronic cards 4 after the butt joint held by card holding structure 1.
Please refer to Fig. 4-7, this card holding structure 1 is formed by the metal material punching out, it has first connector 10 of a long plate shape, and one extends in parallel in these first connector, 10 front sides second connector 11 of (before with this card holding structure 1 towards electric connector 2 one sides being, down with).First connector 10 and second connector, 11 center are interconnected by one first weld part 12, and this first weld part 12 can be welded in circuit board 3 to fix this card holding structure 1.These first connector, 10 two ends are extended with a side connector 13 through second connector 11 forward respectively, and side connector 13 is short plate in the present embodiment.
Each side connector 13 comprises a plate-like base 130 from 10 extensions of first connector, bends second weld part 131 of a tool U-shaped opening 1310 of extension to the inside from base portion 130 front end downsides.This second weld part 131 is to be welded on the motherboard 3 equally, to fix this card holding structure 1.To should U-shaped opening 1310 from the location division 132 that base portion 130 protrudes out downwards, second stopper section 133 that upwards protrudes out near second connector, 11 places of this base portion 130 certainly, and from base portion 130 front ends upwards, the outside catch 134 that extends of bending.This location division 132 can be inserted on the motherboard 3 in the location hole (not shown) that is provided with and fastening this card holding structure 1.This catch 134 further comprise one from base portion 130 tops outwards bending and horizontally extending first support portion 1340, this 1340 upwardly extending first stopper sections 1341, first support portion certainly, and from first stopper section 1341 upwards, outward extending first guidance part 1342.One the 3rd stopper section 135 is from locating upwards to protrude out on the base portion 130 between first connector 10 and second connector 11.
This card holding structure 1 also comprises two compressing pieces 14, respectively vertically upward from second connector, 11 two ends, and more at a certain angle downwards, convolution extends backward; And form one second support portion 140, one second guidance part 141 that extends successively, reach a pressure contact portion 142.Form between the base portion 130 of each compressing piece 14 and corresponding side connector 13 and second stopper section 133 one hold electronic cards 4 rear end 40 hold space 15.Also have a gap between each compressing piece 14 and corresponding the 3rd stopper section 135, this gap can supply each compressing piece 14 displacement within the specific limits.Excessive as compressing piece 14 displacements, just it can be propped up by the 3rd stopper section 135.
As shown in Figure 3, electronic cards 4 is at first to dock with electric connector 2 with the angle of about 30 degree in motherboard 3 planes.Shown in Fig. 6,7, press down second guidance part 141 that this electronic cards 4 makes its rear end slip over compressing piece 14 and enter and hold space 15, and be that the pressure contact portion 142 and second stopper section 133 prop up from top and rear respectively; The both sides of electronic cards 4 slip over first guidance part 1342 of catch 134 simultaneously, are propped up by first stopper section 1341.At this moment, electronic cards 4 is parallel to the plane of motherboard 3, is in latched position.So this card holding structure 1 just can be located electronic cards 4 all around, even if be subjected to unexpected the collision also to be difficult to become flexible.
When moving back card, second guidance part 141 that the application of force is pushed each compressing piece 14 makes its pressure contact portion 142 be lifted away from electronic cards 4 rear ends 40, and electronic cards 4 is by the initial condition that returns elastically that provides is provided with electric connector 2.Because the backstop of the 3rd stopper section 135, each compressing piece 14 is deformation in elastic limit, thereby in case unclamp compressing piece 14, and its elastic return that will provide by second connector 11 is to the normal position.
Card holding structure of the present utility model, existing card holding structure need not to cooperate with hole clipping on the daughter board that is held, and holding the form realization of space and catch, applied widely and positioning stablity, simple in structure.In addition, the compressing piece that this punching press convolution forms is owing to have broad external surface area, thereby can provide operator's good hand feeling when withdrawing from daughter board.
Technology contents of the present utility model and technical characterstic disclose as above, yet those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by the present patent application claim.
Claims (9)
1. a card holding structure is relatively arranged on the motherboard with a mating electrical connector, and can holds a daughter board that docks with this electric connector; This card holding structure has one first connector, second connector that is connected with first connector, these first connector two ends reach from these second connector two ends respectively to the compressing piece that extends near the electric connector direction respectively to the two side connectors that extend near the electric connector side certainly; It is characterized in that each side connector comprises a base portion, one second stopper section and a catch; When this daughter board docked with this mating electrical connector and presses to latched position, the respective end of this daughter board was fastened in by the space that holds that constitutes between this base portion, second stopper section and corresponding compressing piece, and its both sides prop up for this catch.
2. card holding structure as claimed in claim 1 is characterized in that described each side connector also comprises the location division of extending from base portion downwards.
3. card holding structure as claimed in claim 1 is characterized in that described second stopper section extends upward near the second connector place from base portion.
4. as claim 1 or 2 or 3 described card holding structures, it is characterized in that described each side connector also comprises from base portion to bend and horizontally extending second weld part to the inside.
5. card holding structure as claimed in claim 1, it is characterized in that described catch comprise one from base portion top outwards bending and horizontally extending first support portion, upwardly extending first stopper section, this first support portion certainly, and from first stopper section upwards, outward extending first guidance part.
6. card holding structure as claimed in claim 1, it is characterized in that described each compressing piece comprise one from upwardly extending second support portion of second connector, from second support portion oblique second guidance part that extends down, and one from the bending of second guidance part to away from the horizontally extending pressure contact portion of electric connector direction.
7. card holding structure as claimed in claim 1 is characterized in that described card holding structure comprises that also one connects first weld part of first connector and the second connector lower end.
8. card holding structure as claimed in claim 1 is characterized in that described daughter board is parallel to described motherboard when being in latched position.
9. card holding structure as claimed in claim 1 is characterized in that described base portion upwards protrudes out one the 3rd stopper section in first connector and the second connector place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200084840U CN2791945Y (en) | 2005-03-28 | 2005-03-28 | clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200084840U CN2791945Y (en) | 2005-03-28 | 2005-03-28 | clamping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791945Y true CN2791945Y (en) | 2006-06-28 |
Family
ID=36807991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200084840U Expired - Fee Related CN2791945Y (en) | 2005-03-28 | 2005-03-28 | clamping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791945Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640342B (en) * | 2008-07-31 | 2012-04-25 | 四零四科技股份有限公司 | Flash memory card hooking structure |
| CN105700634A (en) * | 2014-11-27 | 2016-06-22 | 英业达科技有限公司 | Hard disk backboard fixing spring piece |
-
2005
- 2005-03-28 CN CNU2005200084840U patent/CN2791945Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640342B (en) * | 2008-07-31 | 2012-04-25 | 四零四科技股份有限公司 | Flash memory card hooking structure |
| CN105700634A (en) * | 2014-11-27 | 2016-06-22 | 英业达科技有限公司 | Hard disk backboard fixing spring piece |
| CN105700634B (en) * | 2014-11-27 | 2019-04-05 | 英业达科技有限公司 | Hard disk backboard fixation spring tab |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |