CN2805136Y

CN2805136Y - Latch structure of card edge connector

Info

Publication number: CN2805136Y
Application number: CNU2005200180975U
Authority: CN
Inventors: 何宜泽
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2005-05-19
Filing date: 2005-05-19
Publication date: 2006-08-09
Anticipated expiration: 2015-05-19

Abstract

A card edge connector latch structure and circuit board form a space for setting up the electronic assembly conveniently, including a metal supporting arm, it has a spanning arm and a pair of stiffening ribs, one end of each stiffening rib is connected to the middle part of the spanning arm, another end extends to form a fixed foot separately from the lower end of the spanning arm to both sides separately; the bridge part is coated in the middle part of the support frame, and the pair of fixing legs of the reinforcing rib are respectively exposed at the bottoms of two sides of the bridge part; a pair of buckling blocks respectively covers two sides of the crossing arm and respectively forms a positioning groove to fix the rear edge of the electronic card; the pair of mounting seats are positioned below two sides of the bridge part, and the pair of fixing pins penetrate through the pair of mounting seats to be welded on the circuit board, wherein the bridge part and the pair of mounting seats form an elevated space for arranging electronic components.

Description

The bayonet connector bolt lock structure

Technical field

The utility model relates to a kind of bayonet connector bolt lock structure, refers to the bolt lock structure (latch) in a kind of bayonet connector especially, in order to cooperate an electrical joint fixing one electronic cards edge in this bayonet connector.

Background technology

The main circuit board of electronic equipment is provided with different bayonet connectors and connects in order to the plant that various modular electronic cards are provided, make electrical contact on the lateral margin of being located at each electronic cards can electrically contact the conducting terminal of each corresponding bayonet connector, to realize electrically conducting between these electronic cards and this main circuit board.Each electronic cards need be immobilizated in each corresponding bayonet connector reliably, just can guarantee the stable contact between electrical contact and the conducting terminal.Therefore, bayonet connector is except comprising that one has the joint of conducting terminal, and further comprises the bolt lock structure of a fixing electronic cards.

Existing bayonet connector bolt lock structure, as be disclosed in a kind of " card edge connector latch " that People's Republic of China's patent publication No. CN1523714A a case on August 25th, 2004 is disclosed, its be one by stamping forming metal breech lock.Above-mentioned prior art is in order to be anchored on breech lock on the circuit board, and the both sides of this breech lock and middle part respectively are provided with a plate secure component, and is connected on the circuit board through the mode of welding.

The bayonet connector bolt lock structure of above-mentioned prior art has taken the great space of circuit board, and the circuit board of electronic cards below is restricted on laying (layout) electronic building brick; In addition, the plate secure component in the middle of the fixed form of this existing breech lock, particularly breech lock makes the bottom space of breech lock also be restricted on the electronic building brick layout.

Therefore, as from the foregoing, above-mentioned existing bayonet connector breech lock in practical application, obviously has inconvenience and exists with defective, and can treat in addition improver.

Summary of the invention

Main purpose of the present utility model is to provide a kind of bayonet connector bolt lock structure, makes the circuit board of bayonet connector below be convenient to lay electronic building brick.

A purpose more of the present utility model is to provide a kind of bayonet connector bolt lock structure, improves and increase the structural strength of breech lock, breech lock is fixed in the position, both sides on the circuit board, more convenient laying electronic building brick in the mode of cross-over connection.

For achieving the above object, the utility model bayonet connector bolt lock structure, be installed on the circuit board with fixing one trailing edge of electronic cards of back of planting with the joint of this bayonet connector, the leading edge of this electronic cards is inserted in this joint, comprises a metal supporting frames, a bridge formation portion, a pair of buckle piece and a pair of mount pad.This metal supporting frames includes one across arm and a pair ofly generally be tabular ribs, this generally be vertical with this across arm to ribs, this end to ribs is connected in this middle part across arm, and the other end extend to both sides across arm discretely along being somebody's turn to do respectively, and was bent to form a fixing feet; This bridge formation portion coats the middle part of this bracing frame and this to ribs, and wherein this fixing feet to ribs exposes to this bridge formation portion two side bottoms separately; This to the buckle piece coat separately this across the both sides of arm and form respectively one towards the location notch of this joint with the trailing edge of the electronic cards of this plant back of fixing movably; This is positioned at the down either side of this bridge formation portion to mount pad and is fixed on this circuit board, each mount pad is provided with a holddown groove, pass to be welded in this circuit board for this fixing feet, wherein should bridge formation portion and this mount pad is formed one can be for the frame high spatial of laying electronic building brick.

The utility model is compared prior art, its integral body has a high structure, makes the circuit board of bayonet connector below be convenient to lay electronic building brick, and breech lock is fixed on the circuit board in the mode of cross-over connection, unsettled and the vacant circuit board in the centre of breech lock, the laying of more convenient electronic building brick.

Description of drawings

Fig. 1 is installed on the vertical view of a circuit board for the utility model bayonet connector bolt lock structure.

Fig. 2 is the three-dimensional exploded view of the utility model bayonet connector bolt lock structure.

Fig. 2 A is the stereogram of bracing frame in the utility model bayonet connector bolt lock structure.

Fig. 3 is the three-dimensional exploded view of another angle of the utility model bayonet connector bolt lock structure.

Fig. 3 A is the stereogram of another angle of bracing frame in the utility model bayonet connector bolt lock structure.

Fig. 4 is the three-dimensional combination figure of a utility model bayonet connector bolt lock structure and a joint fixing electronic cards.

Fig. 5 is fixed in the front view of circuit board for the utility model bayonet connector bolt lock structure.

Fig. 6 is fixed in the rearview of circuit board for the utility model bayonet connector bolt lock structure.

Fig. 7 is fixed in the end view of circuit board for the utility model bayonet connector bolt lock structure.

Embodiment

See also Fig. 1, be installed on the vertical view of a circuit board for the utility model bayonet connector bolt lock structure.The utility model provides the joint 200 of a kind of bayonet connector bolt lock structure 100 (or be called for short breech lock) and this bayonet connector to be installed on the circuit board 300 with fixing one trailing edge of electronic cards 400 of back of planting.The leading edge of this electronic cards 400 is inserted in this joint 200.This joint 200 has an insulating body 202 and plurality of terminals 204,206, this terminal 204,206 is fixed on this insulating body 202, the one end is welded on this circuit board 300, and the other end extends to the electronic cards 400 to be electrically connected at this plant back in this insulating body 200.

See also Fig. 2 to Fig. 3, be divided into the three-dimensional exploded view of the different angles of the utility model bayonet connector bolt lock structure.This bayonet connector bolt lock structure 100 includes a snap close piece 10, a bracing frame 20, a pair of

mount pad

30a, 30b, reaches a stop part 40.

This snap close piece 10 is made for plastic material, includes a bridge formation portion 12, reaches a pair of buckle piece 14a, 14b.This bridge formation portion 12 is coated on the middle part of this bracing frame 20; This is positioned at the both sides of this bridge formation portion 12 to

buckle piece

14a, 14b.

This to the front end of

buckle piece

14a, 14b towards this joint 200 and form the trailing edge of a location notch 140 respectively with this electronic cards 400 of fixing.In particular, this location notch 140 is formed by a hook part 142 and a bearing and leaning portion 144.This hook part 142 and this bearing and leaning portion 144 are to be protruded towards this joint 200 by this front end to

buckle piece

14a, 14b, and wherein this hook part 142 is the tops that are positioned at this location notch 140, and this bearing and leaning portion 144 is the belows that are positioned at this location notch 140.In the present embodiment, further each is convexly equipped with a lateral retaining wall 146 that connects this bearing and leaning portion 142 and this hook part 144 towards this joint 200 to

buckle piece

14a, 14b for this, the side of the electronic cards 400 after this lateral retaining wall 146 blocks this respectively and plugs.Wherein this this bearing and leaning portion 142 to

buckle piece

14a, 14b preferably is provided with a guiding incline 143 towards this joint 200, and this guiding incline 143 can be guided this electronic cards 400 and is fixed in smoothly in this location notch 140.This respectively has a flank 148 to

buckle piece

14a, 14b rear end, and this flank 148 is connected in corresponding this hook part 142 and this bearing and leaning portion 144, and this flank 148 extends back to this joint 200.In moving back the card process, develop circuit board to guarantee this bottom surface by this flank 148,, because of torsion produces inclination, avoid this electronic cards 400 to be related to and the unfavorable card that moves back when preventing to pivot by card to produce stabilization to

buckle piece

14a, 14b.

Please cooperate simultaneously with reference to figure 2A and Fig. 3 A, be respectively the stereogram of bracing frame different angles in the utility model bayonet connector bolt lock structure.This bracing frame 20 is also to bend the mode (insert molding) that forms and penetrate with the flush type plastics by metallic plate through punching press to be embedded in this snap close piece 10.This bracing frame 20 includes one across arm 22 and a pair ofly generally be tabular ribs 24a, 24b.This generally be vertical with this across arm 22 to ribs 24a, 24b.The end of each this

ribs

24a, 24b be connected across arm 22 middle parts with this, and the other end extends to form a horizontal part 242 across arm 22 both sides discretely to this respectively, and the other end of this horizontal part 242 is that free end is to form a downward fixing feet 244.

This this fixing feet 244 to ribs 24a, 24b extend downward vertically and expose to 12 liang of side bottoms of this bridge formation portion and pass this to mount

pad

30a, 30b to be welded in this circuit board.In the present embodiment, this bridge formation portion 12 of this snap close piece 10 has a body piece 122 and a pair of cladding plate 124.This body piece 122 of this bridge formation portion 12 coats the middle part of this bracing frame 20.This is positioned at the both sides of this body piece 122 and coats this horizontal part 242 cladding plate 124, and forms a pair of both sides of exposing space 123 in this body piece 122.Being somebody's turn to do can resilient movement across arm 22 both sides expose to the exposing space 123 of these bridge formation portion 12 both sides.But this is coated on this both sides and resilient movement across arm 22 separately to

buckle piece

14a, 14b.

This bracing frame 20 should across the upper and lower edge in the two ends of arm 22 respectively have on one tabs 222 and once tabs 224 extend towards this joint 200, tabs 222 and this time tabs 224 are embedded in corresponding this hook part 142 and this bearing and leaning portion 144 separately on this.In the present embodiment, this bracing frame 20 should further respectively have a side tabs 226 across the two ends lateral margin of arm 22, this side tabs 226 extends and is embedded in this lateral retaining wall 146 towards this joint 200.Can strengthen the structural strength of this

buckle piece

14a, 14b by the reinforcement of above-mentioned this bracing frame 20, to increase the service life.

Please consult Fig. 2 to Fig. 3 again, this is positioned at the down either side of this bridge formation portion 12 to

mount pad

30a, 30b and is fixed on this circuit board 300, by this this snap close piece 10 and this

mount pad

30a, 30b are formed one can be for the frame high spatial of laying electronic building brick.This respectively has a body 32 to

mount pad

30a, 30b, and this body 32 respectively is formed with a holddown groove 324 that corresponds to this fixing feet 244 and passes for this fixing feet 244; Wherein this of this bracing frame 20 respectively is provided with at least one interference part to fixing feet 244 both sides and is fixed in this

mount pad

30a, 30b with interference.This respectively has one by the downward fixed leg 322 that protrudes in the bottom surface of this body 32 to

mount pad

30a, 30b, and this fixed leg 322 is fixed on this circuit board 300.The utility model bayonet connector bolt lock structure 100, can steadily be fixed on this circuit board 300 fixing feet 244 and this fixed leg 322 by this of this bracing frame 20.

In the present embodiment, this further has a reference column 34 to

mount pad

30a, 30b, this reference column 34 is protruding upward by the front end of this body 32, and in a pair of location hole 402 of electronic cards 400 trailing edges after passing this separately and plugging (as shown in Figure 4), to strengthen fixing this electronic cards 400.For helping welding, wherein this bottom to mount

pad

30a, 30b respectively is arranged with a welding groove 320, and this welding groove 320 provides a space to hold scolding tin, from this

mount pad

30a, 30b finedraw is risen because of capillarity to avoid scolding tin.

The utility model bayonet connector bolt lock structure 100 be prevent that the user from excessively pulling and structure fixing, further be provided with this stop part 40.This stop part 40 is to be fixed on this circuit board 300, and this stop part 40 includes a top board 42, a backboard 44, reaches a pair of front apron 46.

This backboard 44 is the rear ends that are positioned at this snap close piece 10, and this backboard 44 and this are across forming a gap between the arm 22.Each extends a back stator 442 downwards two sides of this backboard 44 of this stop part 40, this respectively forms the back holddown groove 328 of corresponding this back stator 442 to this body 32 of

mount pad

30a, 30b, and this back stator 442 passes this corresponding back holddown groove 328 and is fixed on this circuit board 300.For being fixed in this bridge formation portion 12, form a back snap-latch piece 444 in the middle of this backboard 44 of this stop part 40, the both sides of this back snap-latch piece 444 form a pair of rearward recess 446, these bridge formation portion 12 corresponding these stators 444 are fixedly crack 126 of formation one, make this backboard 44 be fixed in this bridge formation portion 12 in the mode of engaging.

This top board 42 of this stop part 40 is to be extended towards this joint 200 by the top of this backboard 44.This top board 42 has a pair of preceding stator 422 that is extended by its both sides downwards, this to mount

pad

30a, 30b respectively form one corresponding should before the preceding holddown groove 326 of stator 422, this to preceding stator 422 pass this corresponding should before holddown groove 326 and being fixed on this circuit board 300.In the present embodiment, this of this stop part 40 be to be skewed to preceding stator 422, this respectively has a block platform 145 that protrudes to the inside to

buckle piece

14a, 14b, and this is to oblique separately this block platform 145 that is connected to this to

buckle piece

14a, 14b of preceding stator 422.This block platform 145 can be at this to the front end rearward end of

buckle piece

14a, 14b and towards this block platform 145 of side block by this.

For being fixed in this bridge formation portion 12, extend one downwards in the middle of this top board 42 of this stop part 40 before snap-latch pieces 424, this preceding snap-latch piece 424 and this backboard 44 are relative and be fixed in this bridge formation portion 12 of this snap close piece 10 in the mode of buckle.In particular, this preceding snap-latch piece 424 forms a block button hole 426, and corresponding this block button hole 426 of the front end of this bridge formation portion 12 forms a buckle piece 128 should preceding snap-latch piece 424 to fasten.By this should before snap-latch piece 424 cooperate the clamping should bridge formation portion 12 with this back snap-latch piece 444, and should bridge formation portion 12 as hanging this on preceding snap-latch piece 424, more strengthen the intensity of these snap close piece 10 two ends across the formula structure.

This of this stop part 40 is to be extended downwards and respectively blocked this place ahead to cladding plate 124 in this snap close piece 10 by the leading edge of this top board 42 to front apron 46.One side can be protected being somebody's turn to do across arm 22 of exposing, and another side also has effect attractive in appearance.

When dismounting during this electronic cards 400, only need pull this backward to

buckle piece

14a, 14b, move to discharge the trailing edge of this electronic cards 400 after making this location notch 140.This moment, the back catch 44 of this stop part 40 can avoid this snap close piece 20 to be pulled excessively backward.

The utility model bayonet connector bolt lock structure 100 is characterised in that the structural strength of improving and increasing breech lock, breech lock is fixed in the position, both sides on the circuit board, more convenient laying electronic building brick in the mode of cross-over connection.Particularly be to improve this bracing frame 20 and this snap close piece 10, and provide this mount pad 30a, 30b.This of this bracing frame 20 strengthened overall structure to ribs 24a, 24b, makes the centre of breech lock can not design any fixture.In addition, this stop part 40 provides position limitation protection function, and the fixed function of breech lock.

By above-mentioned description, the utility model particularly thereunder circuit board has characteristics and the function that convenient electronic building brick is laid.See also Fig. 4, cooperate the three-dimensional combination figure of a joint fixing electronic cards for the utility model bayonet connector bolt lock structure.The utility model bayonet connector bolt lock structure 100 cooperates through choosing high this joint 200 and terminal 204 thereof, increases the space between this circuit board 300 and this electronic cards 400, forms a high spatial 302.This high spatial 302 is to be convenient to lay electronic building brick.

Seeing also Fig. 5 to Fig. 7, is respectively front view, rearview and end view that the utility model bayonet connector bolt lock structure is fixed in circuit board.Above-mentioned each figure shows 100 cross-over connections of the utility model bayonet connector bolt lock structure on this circuit board 300, and the position, intermediate portion does not have the extension downwards of any pin and is fixed in circuit board.Produce another high spatial 304 between bayonet connector bolt lock structure 100 of the present utility model and this circuit board 300, this high spatial 304 is middle without any blocking.

This snap close piece 10 and this can be for this spaces that has buffering to pull to

buckle piece

14a, 14b, so that this location notch 140 leaves the edge of this electronic cards 400 and withdraws from this electronic cards 400 to respectively keeping a dashpot 16 between mount pad 30a, the 30b.

Claims

1, a kind of bayonet connector bolt lock structure is installed on the circuit board with fixing one trailing edge of electronic cards of back of planting with the joint of this bayonet connector, and the leading edge of this electronic cards is inserted in this joint, it is characterized in that, comprising:

One metal supporting frames, include one across arm and a pair ofly generally be tabular ribs, this to ribs with should generally be vertical across arm, this end to ribs is connected in this middle part across arm, the other end extend to both sides across arm discretely along being somebody's turn to do respectively, and was bent to form a fixing feet;

One bridge formation portion coats the middle part of this bracing frame and this to ribs, and wherein this fixing feet to ribs exposes to this bridge formation portion two side bottoms separately;

A pair of buckle piece, coat separately this across the both sides of arm and form respectively one towards the location notch of this joint with the trailing edge of the electronic cards of this plant back of fixing movably; And

A pair of mount pad, be positioned at the down either side of this bridge formation portion and be fixed on this circuit board, each mount pad all is provided with a holddown groove, passes to be welded in this circuit board for this fixing feet, wherein should bridge formation portion and this mount pad is formed one can be for the frame high spatial of laying electronic building brick.

2, bayonet connector bolt lock structure according to claim 1, it is characterized in that: this respectively has a horizontal part to ribs, end part of this horizontal part generally be vertical the connection with the root edge that is somebody's turn to do across arm, all the other of this horizontal part partly form a free end and form one at interval with this across arm, and this fixing feet is extended downwards by this free end.

3, bayonet connector bolt lock structure according to claim 2, it is characterized in that: this bridge formation portion has a body piece and a pair of cladding plate that is extended to both sides by this body piece, this body piece coats being somebody's turn to do across part in the middle of the arm of this bracing frame, this cladding plate coats this horizontal part of this ribs, wherein should across the arm two-side elastic expose to the both sides of this body piece.

4, bayonet connector bolt lock structure according to claim 1 is characterized in that: this is convexly equipped with a hook part that is positioned at this location notch top, an and bearing and leaning portion that is positioned at this location notch below towards this joint separately to the buckle piece.

5, bayonet connector bolt lock structure according to claim 4, it is characterized in that: this bracing frame should across the upper and lower edge in the two ends of arm respectively have on one tabs and once tabs extend towards this joint, tabs and this time tabs are embedded in corresponding this hook part and this bearing and leaning portion separately on this.

6, bayonet connector bolt lock structure according to claim 4 is characterized in that: further each is convexly equipped with a lateral retaining wall that connects this bearing and leaning portion and this hook part towards this joint to the buckle piece for this, the side of the electronic cards after this lateral retaining wall blocks this respectively and plugs.

7, bayonet connector bolt lock structure according to claim 5 is characterized in that: this bracing frame should respectively have a side tabs across the two ends lateral margin of arm, this side tabs extends and is embedded in this lateral retaining wall towards this joint.

8, bayonet connector bolt lock structure according to claim 4 is characterized in that: this this bearing and leaning portion to the buckle piece is provided with a guiding incline towards this joint.

9, bayonet connector bolt lock structure according to claim 4 is characterized in that: this respectively has a flank to the buckle piece and is connected in corresponding this bearing and leaning portion and this hook part, and this flank is towards this joint direction extension dorsad.

10, bayonet connector bolt lock structure according to claim 1 is characterized in that: this of this bracing frame respectively is provided with at least one interference part to the fixing feet both sides and is fixed in this mount pad with interference.

11, bayonet connector bolt lock structure according to claim 1, it is characterized in that: this respectively has a body and a fixed leg to mount pad, wherein this holddown groove is to be formed on this body, and this fixed leg is protruded downwards and is fixed on this circuit board by the bottom surface of this body.

12, bayonet connector bolt lock structure according to claim 11, it is characterized in that: it is protruding upward by the front end of this body that this further has a reference column to mount pad, in a pair of location hole of the electronic cards trailing edge after this reference column passes this separately and plugs.

13, bayonet connector bolt lock structure according to claim 1 is characterized in that: this bottom to mount pad respectively is arranged with a welding groove.

14, bayonet connector bolt lock structure according to claim 1, it is characterized in that: further have a stop part and be fixed on this circuit board, this stop part has the rear end that a backboard is positioned at this snap close piece, and this backboard and this are across forming a gap between the arm.

15, bayonet connector bolt lock structure according to claim 14, it is characterized in that: each extends a back stator downwards two sides of this backboard of this stop part, this respectively forms the back holddown groove of corresponding this back stator to mount pad, and this back stator passes this corresponding back holddown groove and is fixed on this circuit board.

16, bayonet connector bolt lock structure according to claim 14, it is characterized in that: form a back snap-latch piece in the middle of this backboard of this stop part, corresponding this back snap-latch piece of this bridge formation portion is a fixedly crack of formation one, and this back snap-latch piece snaps into this fixedly crack.

17, bayonet connector bolt lock structure according to claim 14, it is characterized in that: this stop part has a top board, this top board is extended towards this joint by the top of this backboard, this top board has a pair of preceding stator that is extended by its both sides downwards, this to mount pad respectively form one corresponding should before the preceding holddown groove of stator, this to preceding stator pass this corresponding should before holddown groove and being fixed on this circuit board.

18, bayonet connector bolt lock structure according to claim 17, it is characterized in that: being somebody's turn to do of this stop part be skewed to preceding stator, this respectively has a block platform that protrudes to the inside to the buckle piece, and this is to oblique separately this block platform that is connected to this to the buckle piece of preceding stator.

19, bayonet connector bolt lock structure according to claim 17 is characterized in that: snap-latch piece before extending downwards in the middle of this top board of this stop part, this preceding snap-latch piece is relative with this backboard and be fastened on the front end of this bridge formation portion of this snap close piece.