CN111448716A

CN111448716A - Back panel connector

Info

Publication number: CN111448716A
Application number: CN202080000430.7A
Authority: CN
Inventors: 彭大军; 何洪; 代秀云
Original assignee: Sichuan Huafeng Enterprise Group Co
Current assignee: Sichuan Huafeng Enterprise Group Co
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-07-24
Anticipated expiration: 2040-03-05
Also published as: WO2021174478A1; CN111448716B

Abstract

The application relates to the technical field of connectors, for example, relates to a backplane connector, which comprises a terminal assembly, a first cover plate and a second cover plate, wherein the terminal assembly comprises a first surface and a second surface which are connected in a preset included angle; the first cover plate comprises a first plate body and a second plate body which are connected in the preset included angle; the second apron is including being predetermine third plate body and the fourth plate body that the contained angle is connected, the third plate body with the fourth plate body all with terminal subassembly joint, just the third plate body sets up to compress tightly first plate body in first face, the fourth plate body set up to compress tightly the second plate body in the second face.

Description

Back panel connector

Technical Field

The present application relates to the field of connector technology, for example to a backplane connector.

Background

With the rapid development of information technology, data transmission rates are increasing. High speed connectors are moving to higher speeds and higher densities. Among them, the backplane connector is an important member of the high-speed connector, and its application scenarios are continuously expanded, for example, the new application scenarios such as conventional printed board and printed board connection (backplane), printed board and printed board vertical connection (orthogonal backplane), and printed board or cable and cable connection (wire backplane) … … provide more rigorous requirements for the strength, stability and reliability of the backplane connector.

In the related art backplane connector, the terminal assemblies are a wafer parallel splicing structure, and parts such as a cover plate and a bottom plate are added on the splicing structure or hot melting or glue pouring is performed on the splicing structure to stabilize the connector. In the related technology, the stability and reliability of the backplane connector are increased by adopting a hot-melting riveting or glue-pouring bonding mode, but the hot-melting process is difficult to control, has danger, needs newly-added equipment, and has low efficiency and high cost; the glue pouring process is mature, but the problems of low efficiency, high cost, easy failure of a glue mold at high temperature and the like exist.

Disclosure of Invention

The application provides a backplane connector, can increase the connector and stabilize and the reliability.

The embodiment of the application provides a backplane connector, includes:

the terminal assembly comprises a first surface and a second surface which are connected at a preset included angle, wherein a first mounting block is arranged on the first surface, and a second mounting block is arranged on the second surface;

the first cover plate comprises a first plate body and a second plate body which are connected in the preset included angle, a first mounting hole is formed in the first plate body, a second mounting hole is formed in the second plate body, the first mounting block is inserted into the first mounting hole, and the second mounting block is inserted into the second mounting hole;

the second apron, the second apron is including being third plate body and the fourth plate body that predetermines the contained angle and connect, the third plate body with the fourth plate body all with the terminal subassembly joint, just the third plate body set up to with the first plate body compress tightly in on the first face, the fourth plate body set up to with the second plate body compress tightly in on the second face.

Drawings

Fig. 1 is a schematic structural diagram of a backplane connector in an embodiment of the present application;

FIG. 2 is a side view of a backplane connector in an embodiment of the present application;

fig. 3 is a schematic partial structural view of the backplane connector in the embodiment of the present application (hiding the second cover plate);

fig. 4 is a schematic structural diagram of a first cover plate in the backplane connector according to the embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a second cover plate in the backplane connector according to the embodiment of the present application;

fig. 6 is a schematic structural diagram of a terminal assembly in the backplane connector according to the embodiment of the present application;

fig. 7 is a cross-sectional view of a terminal assembly in a backplane connector according to an embodiment of the present application;

FIG. 8 is an enlarged view taken at A in FIG. 7;

fig. 9 is an enlarged view at B in fig. 7.

In the figure:

1. a terminal assembly;

11. a first side; 111. a first mounting block; 1111. a connecting portion; 1112. a limiting part; 112. a first slot; 113. a first snap projection; 114. a third slot; 115. a third snap projection; 116. a fourth snap projection;

12. a second face; 121. a second mounting block; 122. a second slot; 123. a second snap projection; 124. a protrusion; 125. a third mounting block; 126. an arc-shaped bulge;

13. a terminal;

2. a first cover plate;

21. a first plate body; 211. a first mounting hole; 2111. a first hole; 2112. a second hole; 212. a third tongue; 213. a third card slot; 214. a fourth card slot;

22. a second plate body; 221. a second mounting hole; 222. bending the groove; 223. a third mounting hole;

23. a first connecting rib; 231. a first outer side;

24. a first jack;

3. a second cover plate;

31. a third plate body; 311. a first tongue; 312. a first card slot; 313. a fourth mounting hole; 314. punching a hole;

32. a fourth plate body; 321. a second tongue; 322. a second card slot;

33. a second connecting rib; 331. a second outer side; 332. a wave trough portion;

34. a second jack;

41. a first curve; 42. a second curve.

Detailed Description

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Fig. 1 is a schematic structural diagram of a backplane connector in an embodiment of the present application; FIG. 2 is a side view of a backplane connector in an embodiment of the present application; fig. 3 is a partial structural diagram of the backplane connector in the embodiment of the present application (hiding the second cover plate 3); fig. 4 is a schematic structural diagram of the first cover plate 2 in the backplane connector according to the embodiment of the present application; fig. 5 is a schematic structural diagram of the second cover plate 3 in the backplane connector according to the embodiment of the present application; fig. 6 is a schematic structural view of the terminal assembly 1 in the backplane connector according to the embodiment of the present application; fig. 7 is a sectional view of the terminal assembly 1 in the backplane connector in the embodiment of the present application; FIG. 8 is an enlarged view taken at A in FIG. 7; fig. 9 is an enlarged view at B in fig. 7. As shown in fig. 1 to 9, the present embodiment provides a backplane connector, which may be a high-speed connector, and includes a terminal assembly 1, a first cover plate 2 and a second cover plate 3. The terminal assembly 1 includes a first surface 11 and a second surface 12 (refer to fig. 6) connected at a predetermined included angle, the first surface 11 is provided with a first mounting block 111, and the second surface 12 is provided with a second mounting block 121. In this embodiment, the terminal assembly 1 includes a plurality of terminals 13 sequentially spliced along the first direction, and the first surface 11, the second surface 12, the first mounting block 111, and the second mounting block 121 are formed by integrally splicing the plurality of terminals 13.

As shown in fig. 4, the first cover plate 2 includes a first plate 21 and a second plate 22 connected at a predetermined included angle, the first plate 21 is provided with a first mounting hole 211, the second plate 22 is provided with a second mounting hole 221, the first mounting block 111 is inserted into the first mounting hole 211, and the second mounting block 121 is inserted into the second mounting hole 221; the first plate body 21 is inserted into the first mounting block 111, and the second plate body 22 is inserted into the second mounting block 121, so that the terminal assembly 1 can be stabilized through the first plate body 21; on the other hand, the first mounting block 111 and the second mounting block 121 can also limit the two plate bodies of the first cover plate 2, so as to prevent the two plate bodies of the first cover plate 2 from deforming.

As shown in fig. 5, the second cover plate 3 includes a third plate 31 and a fourth plate 32 connected at a predetermined included angle, the third plate 31 and the fourth plate 32 are both connected to the terminal assembly 1 in a snap-fit manner, the third plate 31 is configured to press the first plate 21 against the first surface 11, and the fourth plate 32 is configured to press the second plate 22 against the second surface 12. The second cover plate 3 is clamped with the terminal assembly 1, so that the stability of the connection between the second cover plate 3 and the terminal assembly 1 can be ensured, the overall stability of the terminal assembly 1 can be enhanced, and the second cover plate 3 can be restrained by the terminal assembly 1 to prevent the deformation of the second cover plate 3. Meanwhile, the first cover plate 2 is pressed on the first face 11 and the second face 12 through the second cover plate 3, so that the terminal assembly 1 can be prevented from loosening, and when the terminal assembly 1 is plugged or pulled out or the terminal assembly 1 is stressed laterally, the terminal assembly 1 and the butting connector can be ensured to be in good contact, and the integrity of signals is ensured.

In this embodiment, the preset included angle is 90 °, and in other embodiments, the size of the preset included angle may also be set as required.

Optionally, the first cover plate 2 and the second cover plate 3 are both made of metal materials and are both formed through a stamping process. Thus, the first cover plate 2 and the second cover plate 3 can play a role of fixing the terminal assembly 1.

Optionally, referring to fig. 5, fig. 7 and fig. 8, a first tongue 311 is disposed on the third plate 31, a first slot 112 is disposed on the first surface 11, one of a side wall of the first tongue 311 and a side wall of the first slot 112 is provided with a first protrusion 113, the other of the side wall of the first tongue 311 and the side wall of the first slot 112 is provided with a first slot 312, the first tongue 311 is inserted into the first slot 112, and the first protrusion 113 is connected with the first slot 312 in a clamping manner. In the embodiment, the first locking protrusion 113 is disposed on a wall of the first slot 112, and the first locking groove 312 is disposed on a sidewall of the first tongue 311. In other embodiments, the first locking groove 312 may be disposed on a groove wall of the first insertion groove 112, and the first locking protrusion 113 may be disposed on a side wall of the first insertion tongue 311. In this embodiment, the first slot 112 extends along a direction perpendicular to the first surface 11, and the first slot 112 is only provided with an opening on the first surface 11, and is inserted into the first slot 312 through the first insertion tongue 311, and is clamped with the first slot 312 through the first clamping protrusion 113, so that the third plate 31 and the first surface 11 can be stably connected, and the side wall of the first slot 112 can also limit the position of the first insertion tongue 311.

Optionally, referring to fig. 5, fig. 6 and fig. 9, a second insertion tongue 321 is disposed on the fourth board body 32, a second slot 122 is disposed on the second mounting block 121, a second protruding portion 123 is disposed on one of a side wall of the second insertion tongue 321 and a side wall of the second slot 122, a second locking groove 322 is disposed on the other of the side wall of the second insertion tongue 321 and the side wall of the second slot 122, the second insertion tongue 321 is inserted into the second slot 122, and the second protruding portion 123 is locked with the second locking groove 322. In this embodiment, a second locking protrusion 123 is disposed on a groove wall of the second slot 122, and a second locking groove 322 is disposed on a side wall of the second tongue 321. In other embodiments, the second slot 322 may be disposed on a slot wall of the second slot 122, and the second latch 123 may be disposed on a side wall of the second tongue 321. Exemplarily, the second slot 122 is disposed on a portion of the second mounting block 121, which penetrates through the second mounting hole 221, in this embodiment, the second slot 122 is a through hole, and the second insertion tongue 321 is inserted into the through hole and is clamped with a side wall of the through hole, so that the second insertion tongue 321 can be limited by the second clamping protrusion 123 and the side wall of the through hole, and stable connection between the second insertion tongue 321 and the second slot 122 can be ensured. With such an arrangement, the pressing effect of the fourth board 32 on the second board 22 can be enhanced, and the second board 22 is ensured to be attached to the second surface 12. Optionally, the plugging direction of the second plug tongue 321 and the second slot 122 is perpendicular to the first surface 11. With this arrangement, the same insertion direction of the first insertion tongue 311 and the second insertion tongue 321 facilitates assembly of the second cover plate 3 and the terminal assembly 1.

Optionally, referring to fig. 1, fig. 2 and fig. 6, a plurality of first mounting blocks 111 are spaced on the first surface 11, a plurality of second mounting blocks 121 are spaced on the second surface 12, a plurality of first mounting holes 211 are spaced on the first plate body 21, a plurality of second mounting holes 221 are spaced on the second plate body 22, the plurality of first mounting blocks 111 are plugged into the plurality of first mounting holes 211 in a one-to-one correspondence manner, and the plurality of second mounting blocks 121 are plugged into the plurality of second mounting holes 221 in a one-to-one correspondence manner. By providing the first mounting block 111 and the second mounting block 121 in plural, it is possible to ensure stable connection of the first cover plate 2 and the terminal assembly 1. Similarly, referring to fig. 5 and 6, a plurality of first slots 112 are formed in the first surface 11 at intervals, a plurality of second slots 122 are formed in the second surface 12 at intervals, a plurality of first insertion tongues 311 are formed in the third plate body 31 at intervals, a plurality of second insertion tongues 321 are formed in the fourth plate body 32 at intervals, the plurality of first insertion tongues 311 are inserted into the plurality of first slots 112 in a one-to-one manner, and the plurality of second insertion tongues 321 are inserted into the plurality of second slots 122 in a one-to-one manner. By providing a plurality of first insertion tongues 311 and second insertion tongues 321, it is possible to ensure stable connection between the second cover plate 3 and the terminal assembly 1 and to equalize the pressing force of the second cover plate 3 against the first cover plate 2.

Optionally, the plurality of first mounting blocks 111, the plurality of second mounting blocks 121, the plurality of first slots 112, and the plurality of second slots 122 are formed by splicing the plurality of terminals 13, and the plurality of first mounting blocks 111, the plurality of second mounting blocks 121, the plurality of first slots 112, and the plurality of second slots 122 are all arranged at equal intervals along the first direction. Wherein the first direction is indicated as ab-direction in fig. 1. In this embodiment, the number of the terminals 13 is even, and along the first direction, every two terminals 13 may form a first mounting block 111, a second mounting block 121, a first slot 112 and a second slot 122 in sequence. In other embodiments, the number of the terminals 13 may be set to be an odd number.

Optionally, referring to fig. 4 and fig. 6, a plurality of protrusions 124 are further disposed on the second surface 12, a plurality of bending grooves 222 are disposed on the second plate 22, the plurality of protrusions 124 are correspondingly engaged with the plurality of bending grooves 222 one to one, and optionally, one protrusion 124 is disposed between two adjacent second mounting blocks 121, so that the second plate 22 and the second surface 12 can be stably connected in a direction perpendicular to the first surface 11 by engaging the protrusion 124 with the bending groove 222.

Optionally, referring to fig. 2, fig. 7 and fig. 8, the terminal assembly 1 is provided with a third slot 114, the first plate body 21 is provided with a third insertion tongue 212, and the third insertion tongue 212 is inserted into the third slot 114. Optionally, one of the side wall of the third tongue 212 and the side wall of the third slot 114 is provided with a third protrusion 115, the other of the side wall of the third tongue 212 and the side wall of the third slot 114 is provided with a third slot 213, the third tongue 212 is inserted into the third slot 114, and the third protrusion 115 is clamped with the third slot 213. In this embodiment, a third locking protrusion 115 is disposed on a wall of the third slot 114, and a third locking groove 213 is disposed on a sidewall of the third tongue 212. In other embodiments, a third locking groove 213 may be disposed on a groove wall of the third insertion groove 114, and a third locking protrusion 115 may be disposed on a side wall of the third insertion tongue 212. Through inserting the third inserting tongue 212 and the third clamping groove 213, and clamping the third clamping protrusion 115 and the third clamping groove 213, the first plate body 21 can be stably connected with the first surface 11, and the first plate body 21 can be effectively prevented from deforming. In this embodiment, a plurality of third slots 114 are disposed on the terminal assembly 1 along the first direction, and third insertion tongues 212 are disposed on the first plate body 21 corresponding to the plurality of third slots 114, and one third slot 114 can be formed for every two terminals 13 along the first direction.

Optionally, referring to fig. 3, fig. 4 and fig. 6, a third mounting block 125 is further disposed on the second surface 12, a third mounting hole 223 is disposed on the second plate body 22, and the third mounting block 125 is configured to be inserted into the third mounting hole 223 in an interference manner. With this arrangement, the second plate 22 can be prevented from deforming by the third mounting block 125, and meanwhile, the second plate 22 can be stably connected to the second surface 12 by interference fit of the third mounting block 125 with the third mounting hole 223. In this embodiment, a plurality of arc-shaped protrusions 126 (refer to fig. 9) are spaced on the sidewall of the third mounting block 125, and the arc-shaped protrusions 126 can be abutted to the third mounting holes 223 in an interference manner. In this embodiment, along the first direction, the second surface 12 is provided with a plurality of third mounting blocks 125, and the second board 22 is provided with third mounting holes 223 corresponding to the plurality of third mounting blocks 125, and along the first direction, one third mounting block 125 can be formed for every two terminals 13 in sequence.

Optionally, referring to fig. 6 to 8, the first mounting block 111 includes a connecting portion 1111 connected to the first surface 11 and a limiting portion 1112 connected to the connecting portion 1111, the connecting portion 1111 is inserted into the first mounting hole 211, the limiting portion 1112 and the first surface 11 are respectively located at two sides of the first plate body 21, and the limiting portion 1112 can be abutted to the first plate body 21 in a direction perpendicular to the first plate body 21; the third plate 31 is provided with a fourth mounting hole 313, and the position-limiting portion 1112 is inserted into the fourth mounting hole 313. The first plate 21 is prevented from being separated from the first surface 11 by the stopper 1112. Optionally, as shown in fig. 5, the first mounting hole 211 includes a first hole 2111 and a second hole 2112 which are communicated with each other, a width of the limiting portion 1112 is greater than a width of the second hole 2112 and smaller than the width of the first hole 2111, a width of the connecting portion 1111 is smaller than the width of the second hole 2112, lengths of the limiting portion 1112 and the connecting portion 1111 are both smaller than the length of the first hole 2111, and the connecting portion 1111 is inserted into the second hole 2112. In this embodiment, the first hole 2111 and the second hole 2112 are communicated in the inserting direction of the third inserting tongue 212, when the first cover plate 2 and the terminal assembly 1 are assembled, the limiting portion 1112 can first pass through the first hole 2111 and push the first cover plate 2, so that the connecting portion 1111 enters the second hole 2112 and is matched with the second hole 2112, the limiting portion 1112 can limit the first plate 21 in the direction perpendicular to the first surface 11, and the first plate 21 and the first surface 11 can be stably connected. For example, as shown in fig. 5, a plurality of fourth mounting holes 313 are further disposed on the third plate 31, and the plurality of fourth mounting holes 313 and the plurality of limiting portions 1112 are correspondingly inserted one by one, so that the limiting portions 1112 can prevent the third plate 31 from deforming and enhance the stability of the connection between the third plate 31 and the first surface 11.

Optionally, referring to fig. 4 and 8, one of the side wall of the connection portion 1111 and the side wall of the second hole 2112 of the first mounting hole 211 is provided with a fourth locking protrusion 116, the other of the side wall of the connection portion 1111 and the side wall of the second hole 2112 of the first mounting hole 211 is provided with a fourth locking groove 214, and the fourth locking protrusion 116 is locked with the fourth locking groove 214. The present embodiment exemplarily provides a solution that the fourth locking protrusion 116 is disposed on the side wall of the connection portion 1111 and the fourth locking slot 214 is disposed on the side wall of the second hole 2112, so that the stable connection between the first board body 21 and the terminal assembly 1 can be ensured. In other embodiments, a fourth locking groove 214 may be disposed on a sidewall of the connection portion 1111, and a fourth locking protrusion 116 may be disposed on a sidewall of the second hole 2112.

Optionally, referring to fig. 5, after the first tongue 311 is formed by punching, a punching hole 314 can be formed in the third plate 31, and the punching hole 314 is communicated with the fourth mounting hole 313. Illustratively, the hole width of the fourth mounting hole 313 is greater than the hole width of the stamping hole 314, that is, after the first tongue 311 is formed by bending, the fourth mounting hole 313 is formed by stamping on the third plate 31, so as to make the structure of the third plate 31 more compact, and under the condition that the length of the third plate 31 is fixed, the first tongue 311 can have a longer length, so as to ensure the effective matching length between the first tongue 311 and the first slot 112, and ensure the stable connection between the third plate 31 and the first surface 11.

Optionally, as shown in fig. 4 and 5, the first cover plate 2 further includes a plurality of first connecting ribs 23 connecting the first plate body 21 and the second plate body 22, the second cover plate 3 further includes a plurality of second connecting ribs 33 connecting the third plate body 31 and the fourth plate body 32, and the plurality of first connecting ribs 23 and the plurality of second connecting ribs 33 are disposed at intervals along the first direction; first insertion holes 24 are formed between any two adjacent first connecting ribs 23, and a second connecting rib 33 is inserted into each first insertion hole 24. Alternatively, the second insertion holes 34 are formed between two adjacent second connection ribs 33, and each of the second insertion holes 34 is inserted with one of the first connection ribs 23. Therefore, the first connecting ribs 23 and the second connecting ribs 33 can be arranged in a staggered manner to ensure the connection stability of the first cover plate 2 and the second cover plate 3 in the first direction, so that the first cover plate 2, the second cover plate 3 and the terminal assembly 1 are kept stable as a whole.

Alternatively, the outer side surface of the first connecting rib 23 is lower than the outer side surface of the second connecting rib 33 or flush with the outer side surface of the second connecting rib 33, wherein, referring to fig. 1, the outer side surface of the first connecting rib 23 is not called a first outer side surface 231, it should be noted that the first outer side surface 231 is a side surface of the first connecting rib 23 away from the terminal assembly 1, the outer side surface of the second connecting rib 33 is not called a second outer side surface 331, and it should be noted that the second outer side surface 331 is a side surface of the second connecting rib 33 away from the terminal assembly 1.

In the present embodiment, the thickness of the first connecting rib 23 is equal to the thickness of the second connecting rib 33. Note that the thickness of the first connecting rib 23 refers to a dimension D1 as shown in fig. 4; the thickness of the second tie ribs 33 refers to the dimension D2 as shown in fig. 5.

In the present embodiment, the first connecting rib 23 is in a convex arc shape, and the second connecting rib 33 is in a wave shape, referring to fig. 5, the second connecting rib 33 has a wave trough portion 332 concavely disposed on the second outer side surface 331, and the wave trough portion 332 of the second connecting rib 33 is inserted into the first insertion hole 24.

Referring to fig. 1, in the present embodiment, a contact surface is disposed between any adjacent first connecting rib 23 and any adjacent second connecting rib 33, a normal of a plane of the contact surface is disposed along the first direction, a projection of a first outer side 231 of the first connecting rib 23 along the first direction toward the plane of the contact surface is a first curve 41, a projection of a second outer side 331 of the second connecting rib 33 along the first direction toward the plane of the contact surface is a second curve 42, and the first curve 41 and the second curve 42 are tangent at the valley portion 332, so that the adjacent first connecting rib 23 and the adjacent second connecting rib 33 are more closely matched, and a relative assembly position between the first connecting rib 23 and the second connecting rib 33 is more easily determined during an assembly process of the first connecting rib 23 and the second connecting rib 33.

Alternatively, the width of the second insertion hole 34 on the side close to the third plate body 31 is not smaller than the width of the second insertion hole 34 on the side close to the fourth plate body 32. Note that the width of the second insertion hole 34 on the side closer to the third plate body 31 is a dimension R1 in fig. 5, and the width of the second insertion hole 34 on the side closer to the fourth plate body 32 is a dimension R2 in fig. 5.

The backplane connector provided in the present embodiment includes a first cover 2 and a second cover 3 to fix the terminal assembly 1. Wherein: the first cover plate 2 is inserted into the first mounting block 111 through the first mounting hole 211 and is clamped with the fourth clamping groove 214 through the fourth clamping protrusion 116 between the first plate body 21 and the first surface 11; the third tongue 212 is inserted into the third slot 114 and the third protrusion 115 is engaged with the third slot 213 to clamp the third tongue 212 to the terminal assembly 1, so that the first board 21 and the first surface 11 can be stably connected.

The second cover plate 2 is inserted into the second mounting hole 221 through the second mounting block 121 between the second plate 22 and the second surface 12; the protrusion 124 is clamped with the bending groove 222; through the interference insertion of the third mounting block 125 and the third mounting hole 223, the second board 22 and the second surface 12 can be stably connected.

The third plate body 31 of the second cover plate 3 is inserted into the first slot 112 through the first insertion tongue 311 and is clamped with the first clamping groove 312 through the first clamping protrusion 113 with the first surface 11; the fourth mounting hole 313 is inserted into the first mounting block 111 to ensure that the third board 31 is stably connected to the first surface 11.

Between the fourth plate body 32 of the second cover plate 3 and the second surface 12, the second insertion tongue 321 is inserted into the second insertion groove 122 and the second locking groove 322 is locked with the second locking protrusion 123, so that the fourth plate body 32 and the second surface 12 can be stably connected.

The second cover plate 3 and the first cover plate 2 are staggered with the first connecting ribs 23 through the second connecting ribs 33, so that the second cover plate 3 and the first cover plate 2 can be stably connected.

When the terminal assembly 1 is pulled out and inserted or the terminal assembly 1 is stressed laterally, the terminal assembly 1 can be prevented from loosening, good contact between the terminal assembly 1 and the butting connector can be ensured, and the integrity of signals is ensured. And first apron 2 and the cooperation of second apron 3 need not to adopt hot melt riveting process or glue filling bonding process, can promote assembly efficiency, improves the productivity.

Optionally, the end of each insertion tongue is provided with a guiding inclined plane so as to facilitate the insertion of the insertion tongue and the corresponding insertion slot.

The present application provides a backplane connector that includes a terminal assembly, a first cover plate, and a second cover plate. The terminal assembly comprises a first face and a second face which are connected through a preset included angle, a first mounting block is arranged on the first face, and a second mounting block is arranged on the second face. The first cover plate comprises a first plate body and a second plate body which are connected in a preset included angle, a first mounting hole is formed in the first plate body, a second mounting hole is formed in the second plate body, the first mounting block is inserted into the first mounting hole, and the second mounting block is inserted into the second mounting hole; the terminal component can be stabilized through the first plate body on one hand; on the other hand, can also carry on spacingly to two plate bodys of first apron through first installation piece and second installation piece to prevent that two plate bodys of first apron are out of shape. The second cover plate comprises a third plate body and a fourth plate body which are connected through a preset included angle, the third plate body and the fourth plate body are connected with the terminal assembly in a clamped mode, the first plate body is compressed on the first face through the third plate body, and the second plate body is compressed on the second face through the fourth plate body. The second cover plate is clamped with the terminal assembly, so that the stability of connection between the second cover plate and the terminal assembly can be guaranteed, the overall stability of the terminal assembly can be enhanced, the second cover plate can be restrained through the terminal assembly to prevent the second cover plate from deforming, meanwhile, the first cover plate is tightly pressed on the first surface and the second surface through the second cover plate, the terminal assembly can be prevented from loosening, good contact between the terminal assembly and the butting connector can be guaranteed when the terminal assembly is pulled out and inserted or the terminal assembly is stressed laterally, and the integrity of signals is guaranteed.

Claims

1. A backplane connector comprising:

the terminal assembly (1) comprises a first face (11) and a second face (12) which are connected in a preset included angle, wherein a first mounting block (111) is arranged on the first face (11), and a second mounting block (121) is arranged on the second face (12);

the first cover plate (2) comprises a first plate body (21) and a second plate body (22) which are connected at the preset included angle, a first mounting hole (211) is formed in the first plate body (21), a second mounting hole (221) is formed in the second plate body (22), the first mounting block (111) is connected with the first mounting hole (211) in an inserting mode, and the second mounting block (121) is connected with the second mounting hole (221) in an inserting mode;

second apron (3), second apron (3) are including being third plate body (31) and fourth plate body (32) that the contained angle is connected predetermine, third plate body (31) with fourth plate body (32) all with terminal subassembly (1) joint, just third plate body (31) set up to with first plate body (21) compress tightly in on first face (11), fourth plate body (32) set up to with second plate body (22) compress tightly in on second face (12).

2. The backplane connector of claim 1, wherein a first insertion tongue (311) is disposed on the third board body (31), a first slot (112) is further disposed on the first surface (11), a first locking protrusion (113) is disposed on one of a side wall of the first insertion tongue (311) and a side wall of the first slot (112), a first locking groove (312) is disposed on the other of the side wall of the first insertion tongue (311) and the side wall of the first slot (112), the first insertion tongue (311) is inserted into the first slot (112), and the first locking protrusion (113) is locked with the first locking groove (312).

3. The backplane connector of claim 1, wherein a second tongue (321) is disposed on the fourth board body (32), a second slot (122) is disposed on the second mounting block (121), a second protrusion (123) is disposed on one of a side wall of the second tongue (321) and a side wall of the second slot (122), a second slot (322) is disposed on the other of the side wall of the second tongue (321) and the side wall of the second slot (122), the second tongue (321) is inserted into the second slot (122), and the second protrusion (123) is engaged with the second slot (322).

4. The backplane connector of claim 1, wherein a third slot (114) is provided on the terminal assembly (1), and a third insertion tongue (212) is further provided on the first board body (21), and the third insertion tongue (212) is inserted into the third slot (114).

5. The backplane connector of claim 4, wherein one of a side wall of the third tongue (212) and a side wall of the third slot (114) is provided with a third protrusion (115), the other of the side wall of the third tongue (212) and the side wall of the third slot (114) is provided with a third slot (213), the third tongue (212) is inserted into the third slot (114), and the third protrusion (115) is engaged with the third slot (213).

6. The backplane connector of claim 1, wherein the second surface (12) further comprises a third mounting block (125), the second board body (22) further comprises a third mounting hole (223), and the third mounting block (125) is configured to be inserted into the third mounting hole (223) in an interference manner.

7. The backplane connector of claim 1, wherein the first mounting block (111) includes a connection portion (1111) connected to the first surface (11) and a stopper portion (1112) connected to the connection portion (1111), the connection portion (1111) is inserted into the first mounting hole (211), the stopper portion (1112) and the first surface (11) are respectively located at both sides of the first plate body (21), and the stopper portion (1112) is capable of abutting against the first plate body (21) in a direction perpendicular to the first plate body (21);

a fourth mounting hole (313) is formed in the third plate body (31), and the limiting portion (1112) is inserted into the fourth mounting hole (313).

8. The backplane connector of claim 7, wherein one of the side wall of the connection portion (1111) and the side wall of the first mounting hole (211) is provided with a fourth catching protrusion (116), and the other of the side wall of the connection portion (1111) and the side wall of the first mounting hole (211) is provided with a fourth catching groove (214), and the fourth catching protrusion (116) is caught by the fourth catching groove (214).

9. The backplane connector of claim 1, wherein the first cover plate (2) further includes a plurality of first connecting ribs (23) connecting the first plate body (21) and the second plate body (22), the second cover plate (3) further includes a plurality of second connecting ribs (33) connecting the third plate body (31) and the fourth plate body (32), the plurality of first connecting ribs (23) and the plurality of second connecting ribs (33) each being disposed at intervals in a first direction;

first inserting holes (24) are formed between any two adjacent first connecting ribs (23), and one second connecting rib (33) is inserted into each first inserting hole (24).

10. The backplane connector of claim 9, wherein an outer side of the first connection rib (23) is lower than an outer side of the second connection rib (33) or flush with the outer side of the second connection rib (33).