阅读说明：本技术 一种高速扣板电连接器 (High-speed buckle plate electric connector ) 是由 木青峰 芦伟 曹永泉 王勇 于 2019-09-29 设计创作，主要内容包括：高速扣板电连接器,所述电连接器包括多个层板,每个所述层板包括信号模块和屏蔽体,所述信号模块包括板本体、第二卡槽,且所述板本体的内部插入间隔排列的多个信号针和接地针；所述接地针的的表面等距开设有多个第一卡槽,且所述第一卡槽与所述第二卡槽相对连通；所述屏蔽体与所述板本体配合连接,所述屏蔽体的表面设有多个接触爪,且所述接触爪插入连接所述第一卡槽和所述第二卡槽；所述接触爪的侧部设有凸起；所述屏蔽体的表面边缘处设有接地触点。本发明的高速扣板电连接器,接触爪与接地针的连接一方面可实现屏蔽体与信号模块的快速、牢固装配,另一方面可实现接地针与屏蔽体的电接触,使得金属屏蔽结构的加工制造更为简便。(The high-speed buckle plate electric connector comprises a plurality of laminated plates, each laminated plate comprises a signal module and a shielding body, the signal module comprises a plate body and a second clamping groove, and a plurality of signal pins and grounding pins which are arranged at intervals are inserted into the plate body; a plurality of first clamping grooves are formed in the surface of the grounding pin at equal intervals, and the first clamping grooves are communicated with the second clamping grooves oppositely; the shielding body is connected with the plate body in a matched mode, a plurality of contact claws are arranged on the surface of the shielding body, and the contact claws are inserted into and connected with the first clamping grooves and the second clamping grooves; the side part of the contact claw is provided with a bulge; and a grounding contact is arranged at the edge of the surface of the shielding body. According to the high-speed buckle plate electric connector, the connection between the contact claw and the grounding pin can realize quick and firm assembly of the shielding body and the signal module on the one hand, and can realize electric contact between the grounding pin and the shielding body on the other hand, so that the metal shielding structure is simpler and more convenient to process and manufacture.)

1. High-speed buckle plate electric connector, its characterized in that: the electric connector comprises a plurality of laminates (2), each laminate (2) comprises a signal module (23) and a shielding body (24), each signal module (23) comprises a board body (236), a plurality of second clamping grooves (235) are formed in the surface of each board body (236), and a plurality of signal pins (231) and grounding pins (232) which are arranged at intervals are inserted into the board bodies (236); a plurality of first clamping grooves (233) are formed in the surface of the grounding pin (232) at equal intervals, and the first clamping grooves (233) are communicated with the second clamping grooves (235) oppositely;

the shield body (24) is connected with the plate body (236) in a matching mode, a plurality of contact claws (241) are arranged on the surface of the shield body (24), and the contact claws (241) are inserted into and connected with the first clamping groove (233) and the second clamping groove (235); a protrusion (2411) is arranged on the side of the contact claw (241), and the protrusion (2411) is in contact with the first clamping groove (233) and the second clamping groove (235) for establishing a contact pair; and a grounding contact (243) is arranged at the surface edge of the shielding body (24).

2. The high-speed buckle electrical connector of claim 1, wherein: a plurality of positioning pins (234) are distributed on the surface of the plate body (236) at equal intervals, and a plurality of positioning holes (242) are formed on the surface of the shielding body (24) at equal intervals; the positioning pin (234) is inserted into and connected with the positioning hole (242).

3. The high-speed buckle electrical connector of claim 2, wherein: the shielding body (24) and the contact claw (241) are vertically arranged, and two sides of the contact claw (241) are both outwards protruded to form the protrusion (2411) with the cross section of a semicircular structure.

4. The high speed buckle electrical connector of claim 3, wherein: the electric connector also comprises a fixing plate (1), a bracket (3) and a base (4), wherein one end of the laminate (2) is inserted into and connected with the fixing plate (1); the other end of the laminate (2) is inserted into the base (4), and the laminate (2) and the two sides of the base (4) are fixed through the support (3).

5. The high-speed buckle electrical connector of any one of claims 1-4, wherein: buckles (21) are fixed on two sides of the plate body (236), and clamping grooves (41) are formed in two sides of the base (4); the buckle (21) is connected with the clamping groove (41) in a buckling mode and used for fixing the laminate (2) in the base (4).

6. The high-speed buckle electrical connector of claim 4, wherein: bosses (22) with L-shaped structures are fixed on two sides of the plate body (236); a plurality of fixing grooves (31) are formed in the end portion of the support (3) to form a comb-shaped structure, and the bosses (22) are connected with the fixing grooves (31) in a clamping mode; the support (3) is used for limiting the laminates (2).

7. The high-speed buckle electrical connector of any one of claims 1-4, wherein: one ends of the signal pin (231) and the grounding pin (232) are both in a fisheye structure, and the other ends of the signal pin and the grounding pin are both in a fork-shaped structure; the two ends of the signal pin (231) and the grounding pin (232) extend out of the plate body (236).

Technical Field

The invention belongs to the technical field of electric connectors, and particularly relates to a high-speed buckle plate electric connector.

Background

Electrical connectors are used in many electronic systems; it is generally easier and more cost effective to manufacture a system on a number of printed circuit boards and then electrically connect the printed circuit boards together; the conventional structure for connecting several printed circuit boards is to make one printed circuit board function as a chassis. Other printed circuit boards, known as daughter boards, are connected through the backplane.

When the electric connector is used, good contact is required to be achieved, so that the reliable operation and convenient maintenance can be ensured; the high-speed electric connector is one of electric connectors, and develops towards high speed, high density and miniaturization, and because the distance between signals of the high-speed electric connector is smaller and smaller, the interference between adjacent signals is serious; at present, in order to solve the crosstalk problem, the high-speed electric connector uses a metal shielding structure or uses lossy plastic secondary injection molding, and the structures and the processes of the methods are complex.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a high-speed buckle plate electric connector, which has the following specific technical scheme:

a high-speed buckle plate electric connector comprises a plurality of layer plates, each layer plate comprises a signal module and a shielding body, the signal module comprises a plate body, a plurality of second clamping grooves are formed in the surface of the plate body, and a plurality of signal pins and grounding pins which are arranged at intervals are inserted into the plate body; a plurality of first clamping grooves are formed in the surface of the grounding pin at equal intervals, and the first clamping grooves are communicated with the second clamping grooves oppositely;

the shielding body is connected with the plate body in a matched mode, a plurality of contact claws are arranged on the surface of the shielding body, and the contact claws are inserted into and connected with the first clamping grooves and the second clamping grooves; a protrusion is arranged on the side of the contact claw, and the protrusion is in contact with the first clamping groove and the second clamping groove and used for establishing a contact pair; and a grounding contact is arranged at the edge of the surface of the shielding body.

Furthermore, a plurality of positioning pins are distributed on the surface of the plate body at equal intervals, and a plurality of positioning holes are formed on the surface of the shielding body at equal intervals; the positioning pin is inserted into and connected with the positioning hole.

Furthermore, the shielding body and the contact claw are vertically arranged, and two surfaces of the contact claw are both outwards protruded to form the protrusion with the section of a semicircular structure.

Further, the electric connector also comprises a fixing plate, a bracket and a base, wherein one end of the laminate is inserted and connected with the fixing plate; the other end of the laminate is inserted into the base, and the laminate and the two sides of the base are fixed through the bracket.

Furthermore, buckles are fixed on two sides of the plate body, and clamping grooves are formed in two sides of the base; the buckle is connected with the clamping groove in a buckling mode and used for fixing the laminate in the base.

Furthermore, bosses with L-shaped structures are fixed on two sides of the plate body; a plurality of fixing grooves are formed in the end part of the support to form a comb-shaped structure, and the bosses are clamped and connected with the fixing grooves; the support is used for limiting the laminates.

Furthermore, one ends of the signal pin and the grounding pin are both in a fisheye structure, and the other ends of the signal pin and the grounding pin are both in a fork-shaped structure; the two ends of the signal pin and the two ends of the grounding pin extend out of the plate body.

The invention has the beneficial effects that:

according to the high-speed buckle plate electric connector, the connection between the contact claw and the grounding pin can realize quick and firm assembly of the shielding body and the signal module on the one hand, and can realize electric contact between the grounding pin and the shielding body on the other hand, so that the shielding effect is enhanced, the processing and manufacturing of a metal shielding structure are simpler and more convenient, the process is simple, and the cost is lower; in addition, the shielding body is provided with a plurality of grounding contacts to provide a return flow path for signals, so that the return flow of the whole link is clear, and possible resonance at a specific frequency is eliminated.

Drawings

Fig. 1 shows an exploded view of an electrical connector according to an embodiment of the present invention;

FIG. 2 shows a schematic diagram of the overall mounted structure of an embodiment of the present invention;

FIG. 3 shows a schematic diagram of a laminate explosion configuration of an embodiment of the present invention;

FIG. 4 shows an exploded view of a signaling module according to an embodiment of the present invention;

FIG. 5 shows a schematic side view of a laminate according to an embodiment of the invention;

FIG. 6 shows a schematic structural diagram of a shield according to an embodiment of the invention;

FIG. 7 is a schematic structural view of a board body and a signal module after being mounted according to an embodiment of the present invention;

FIG. 8 shows a schematic side view of a laminate according to an embodiment of the invention;

shown in the figure: 1. the fixed plate, 11, the fixed orifices, 2, the plywood, 21, the buckle, 22, the boss, 23, the signal module, 231, the signal needle, 232, the earth pin, 233, first draw-in groove, 234, the locating pin, 235, the second draw-in groove, 236, the plate body, 24, the shielding body, 241, contact claw, 2411, the arch, 242, the locating hole, 243, the ground contact, 244, first bar hole, 245, the second bar hole, 3, the support, 31, the fixed slot, 4, the base, 41, the draw-in groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A high-speed buckle plate electric connector comprises a plurality of layer plates 2, each layer plate 2 comprises a signal module 23 and a shielding body 24,

the signal module 23 includes a board body 236, a plurality of second card slots 235 are formed on the surface of the board body 236, and a plurality of signal pins 231 and ground pins 232 arranged at intervals are inserted into the board body 236; a plurality of first card slots 233 are formed in the surface of the grounding pin 232 at equal intervals, and the first card slots 233 are oppositely communicated with the second card slots 235;

the shield 24 is connected with the board body 236 in a matching manner, a plurality of contact claws 241 are arranged on the surface of the shield 24, and the contact claws 241 are inserted into and connected with the first card slot 233 and the second card slot 235; the contact claw 241 of the shield 24 is in contact with the first card slot 233 on the surface of the grounding pin 232, so that not only can the signal module 23 be quickly assembled with the shield 24, but also a good shielding effect can be realized, a protrusion 2411 is arranged on the side part of the contact claw 241, and the protrusion 2411 is in contact with the first card slot 233 and the second card slot 235 for establishing a contact pair; the shield 24 has a ground contact 243 at the edge of its surface to provide a return path for the signal, to allow the entire link to return cleanly and eliminate possible resonances at a particular frequency.

As an improvement of the above technical solution, a plurality of positioning pins 234 are equidistantly distributed on the surface of the plate body 236, and a plurality of positioning holes 242 are equidistantly formed on the surface of the shield 24; the positioning pin 234 is inserted into the positioning hole 242, and the positioning pin 234 is matched with the positioning hole 242 to achieve fast and firm assembly connection between the shielding body 24 and the signal module 23.

As an improvement of the above technical solution, the shield 24 is perpendicular to the contact claw 241, and both sides of the contact claw 241 are outwardly protruded to form the protrusion 2411 with a semicircular cross section, and the protrusion 2411 makes the contact claw 241 and the second card slot 235 more stably and firmly contacted.

As an improvement of the above technical solution, the electrical connector further includes a fixing plate 1, a bracket 3 and a base 4, wherein one end of the layer plate 2 is inserted into and connected with the fixing plate 1; the other end of the laminate 2 is inserted into the base 4, and the laminate 2 and the two sides of the base 4 are fixed through the bracket 3, so that the laminate 2, the base 4 and the fixing plate 1 are installed.

As an improvement of the above technical solution, two sides of the plate body 236 are fixed with the buckles 21, and two sides of the base 4 are provided with the clamping grooves 41; the buckle 21 is connected with the clamping groove 41 in a buckled mode and used for fixing the laminate 2 in the base 4, and the laminate 2 is fixed in a clamping mode so as to be convenient to disassemble and assemble the laminate 2.

As an improvement of the above technical solution, bosses 22 with an "L" shaped structure are further fixed on both sides of the plate body 236; a plurality of fixing grooves 31 are formed in the end of the bracket 3 to form a comb-shaped structure, and the boss 22 is connected with the fixing grooves 31 in a clamping manner; the support 3 is used for being a plurality of the plywood 2 is spacing, realizes guaranteeing that the interval between each plywood 2 is the fixed value, improves the stability when electric connector uses.

As an improvement of the above technical solution, one end of each of the signal pin 231 and the ground pin 232 is of a fisheye structure, and the other end thereof is of a fork structure; both ends of the signal pin 231 and the ground pin 232 extend out of the board body 236, so as to facilitate connection of the electrical connector to an external device.

Fig. 1 is a schematic diagram showing an exploded structure of an electrical connector according to an embodiment of the present invention, and exemplarily, as shown in fig. 1, the electrical connector includes a fixing plate 1, a plurality of laminates 2, a bracket 3 and a base 4, and the present invention is described by taking the case where six laminates 2 are provided as an example, but not limited thereto; the top of the base 4 is in a rectangular structure with an opening, and the left side and the right side of the base 4 are higher than the front end and the rear end of the base 4; the higher parts of the two sides of the base 4 are outwards protruded, six clamping grooves 41 are formed in the higher protruded parts at equal intervals, and grooves are formed in the outer walls of the two sides of the base 4 and used for increasing the overall heat dissipation function; the laminate 2 comprises an A-type laminate and a B-type laminate, the A-type laminate and the B-type laminate have the same structure, but the signal pins 231 are staggered; the A-type laminate and the B-type laminate are inserted into the base 4 in a staggered mode, the laminates 2 are parallel to each other when inserted, the distance between every two laminates 2 is 1-2mm, the buckles 21 are fixed on the two sides of each laminate 2, and when the laminates 2 are inserted into the base 4, the buckles 21 can be clamped into the clamping grooves 41 to achieve connection of the base 4 and the laminates 2; the lateral part of plywood 2 is fixed with boss 22, boss 22 is not less than the height in 4 both sides of base to the interval of 2 bottoms of plywood, then when plywood 2 inserts in base 4, boss 22 leaks in base 4 outward, six fixed slots 31 are seted up to the bottom of support 3, interval between fixed slot 31 is the same with the interval between the boss 22, each boss 22 is aimed at to the fixed slot 31 of support 3, can it make in inserting fixed slot 31 respectively of "L" font structure during the insertion, the completion carries out spacing fixed to each plywood 2. The top end of the layer plate 2 (namely the fisheye end of the layer plate 2) is covered with the fixing plate 1, six rows of fixing holes 11 are formed in the top surface of the fixing plate 1, the six rows of fixing holes 11 are arranged in a staggered mode, the staggered fixing holes 11 correspond to the fisheye ends of the A-type layer plate and the B-type layer plate, and the fisheye end penetrates through the fixing plate 1 when the fixing plate 1 is covered.

Fig. 2 is a schematic structural view of the whole installation of the embodiment of the invention, and exemplarily, as shown in fig. 2, after the installation, the fixing plate 1 is located at the bottommost end, and the fisheye end of the layer plate 2 extends outwards through the fixing plate 1 to be connected with the outside; the top of the base 1 is provided with six rows of through holes which are arranged in a staggered manner and used for storing the fork-shaped end (namely, the end deviating from the fisheye end) of the laminate 2.

Fig. 3 shows a schematic diagram of a laminate explosion structure according to an embodiment of the present invention, and exemplarily, as shown in fig. 3, the laminate 2 further includes a signal module 23 and a shielding body 24, where the signal module 23 includes a board body 236, a plurality of rows of second card slots 235 are equidistantly formed on the surface of the board body 236, a signal pin 231 and a ground pin 232 are inserted and connected into the board body 236, the signal pin 231 and the ground pin 232 are arranged in a staggered manner, that is, two signal pins 231 are distributed between the two ground pins 232, and two ends of the signal pin 231 and the ground pin 232 are respectively a fisheye end and a fork end. A plurality of positioning pins 234 are fixed on the surface of the main plate 236, a plurality of positioning holes 242 are equidistantly distributed on the surface of the shield 24, the shield 24 can be connected with the signal module 23 when the positioning pins 234 are inserted into the positioning holes 242, and the positioning pins 234 are hot-melted after the connection is completed, so that the connection between the positioning pins 234 and the signal module is firmer; the surface of the shielding body 24 is provided with second strip-shaped holes 245, the number and the distance between the second strip-shaped holes 245 and the second card slots 235 are the same, and when the shielding body 24 and the signal module 23 are connected, the second strip-shaped holes 245 correspond to the second card slots 235; a contact claw 241 is arranged at the edge in the second strip-shaped groove 245, the contact claw 241 and the shielding body 24 are integrally formed, and the contact claw 241 is inserted into the second card slot 235 when the shielding body 24 and the signal module 23 are connected; a first strip-shaped hole 244 is further formed in the surface of the shield 24, a ground contact 243 is arranged at the edge of the first strip-shaped hole 244, the ground contact 243 and the shield 24 are integrally formed, and the ground contact 243 is of a hook-shaped structure; the grounding contact 23 provides a return path for signals, and the grounding contact 243 and the grounding pin 232 are grounded simultaneously, so that the return of the whole link is clear, and possible resonance at a certain specific frequency is eliminated;

when the contact claw 241 of the shield 24 is assembled, the contact claw 241 penetrates through the second card slot 235, and finally the protrusion 2411 of the contact claw 241 is electrically connected with the first card slot 233, when the ground pin is electrified, the current on the ground pin 232 can be conducted to the shield 24 through the contact claw 241, so that the shield 24 is electrified to form an external shielding structure, the external shielding structure seals the electromagnetic field generated by the signal pin 231 in the external shielding structure, the electromagnetic field is prevented from being interfered to the signal pins 231 of other groups, and the signal transmission effect is enhanced;

fig. 4 shows an explosion structure diagram of a signal module according to an embodiment of the present invention, for example, as shown in fig. 4, the signal pins 231 and the ground pins 232 are arranged at intervals, two signal pins 231 are arranged between every two ground pins 232, the arranged signal pins 231 and ground pins 232 are inserted into the board body 236, a plurality of first card slots 233 are equidistantly distributed on the surface of the ground pins 232, and when the signal pins 231 and ground pins 232 are inserted into the board body 236, the first card slots 233 are matched with the second card slots 235.

Fig. 5 is a schematic side view illustrating a side structure of a laminate according to an embodiment of the present invention, for example, as shown in fig. 5, when the signal pin 231 and the ground pin 232 are inserted into the board body 236, two ends of the signal pin 231 and the ground pin 232 extend out of the board body 236, two sides of the board body 236 are fixed with the fasteners 21, two sides of the board body 236 are fixed with the bosses 22, and the bosses 22 are located at bottom ends of the fasteners 21; a plurality of rows of second locking slots 235 are equidistantly distributed on the surface of the plate body 236.

Fig. 6 shows a schematic structural diagram of the shield according to the embodiment of the present invention, and exemplarily, as shown in fig. 6, the opening of the shield 24 is bent to form a grounding claw 241, and two side surfaces of the grounding claw 241 are protruded outward to form a protrusion 2411.

Fig. 7 is a schematic structural diagram illustrating the board body and the signal module after the board body and the signal module are mounted according to the embodiment of the present invention, for example, as shown in fig. 7, when the signal module 23 is mounted, the signal module is aligned with the shield 24, each contact finger 241 is aligned with the second card slot 235, and after the contact finger 241 is inserted into the second card slot 235, since the second card slot 235 is aligned and matched with the first card slot 233, the contact finger 241 can be inserted into the first card slot 233, so as to complete the connection between the contact finger 241 and the ground pin 232, and since the protrusions 2411 at the two sides of the contact finger 241 protrude outward, the protrusions 2411 are tightly contacted with the ground pin 232 and the board body 236 when the signal module is inserted.

Fig. 8 shows a schematic side view of a laminate according to an embodiment of the present invention, and exemplarily, as shown in fig. 8, a ground contact 243 is disposed on a side of the shield 24 close to the board body 236, and the ground contact 243 is disposed opposite to the ground pin 232, so as to ensure that the whole link is reflowed clearly and eliminate the resonance that may occur at a specific frequency.

According to the high-speed buckle plate electric connector, the connection between the contact claw and the grounding pin can realize quick and firm assembly of the shielding body and the signal module on the one hand, and can realize electric contact between the grounding pin and the shielding body on the other hand, so that the shielding effect is enhanced, the processing and manufacturing of a metal shielding structure are simpler and more convenient, the process is simple, and the cost is lower; in addition, the shielding body is provided with a plurality of grounding contacts to provide a return flow path for signals, so that the return flow of the whole link is clear, and possible resonance at a specific frequency is eliminated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.