Connector assembly

Abstract

The utility model discloses a connector assembly which comprises a first connector and a second connector. The first connector comprises a first insulator and a first shell, and the second connector comprises a second insulator and a second shell; the first shell comprises a first main body part and a first side protection part, the second shell comprises a second main body part and a second side protection part, the main body parts are clamped on the short-edge side wall, the side protection parts are inserted into the transition wall, and continuous and inwards-sunken first grooves are formed in the peripheries of the first main body part and the first side protection part; the side wall, close to the first shell, of the second main body part is provided with a first clamping part embedded into the first groove. By arranging the first shell and the second shell, arranging the first groove on the periphery of the first shell and arranging the first clamping part embedded with the first groove on the side wall of the second shell, the stable connection between the first connector and the second connector is realized through the clamping of the concave and convex surfaces, the buckling force between the two connectors is improved, and the plugging is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially relates to a connector assembly. BACKGROUND

[0002] The existing board-to-board connector in the market is lack of stable products between the male and female ends (hereinafter referred to as the first connector and the second connector), specifically, during the mutual insertion of the first connector and the second connector, due to improper insertion operation, environmental vibration and other reasons, the first connector and the second connector may be loose and deviate from the predetermined insertion position, which may cause unstable electrical contact between the first conductive terminal of the first connector and the second conductive terminal of the second connector, so that the conductive terminals cannot be in good contact, and even disconnected, thereby affecting the reliability of the connector assembly. SUMMARY

[0003] To solve the above technical problems, the embodiment of the present application provides a connector assembly which can improve the clamping force between the first connector and the second connector of the board-to-board connector and realize stable electrical connection between them.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0005] A connector assembly includes a first connector and a second connector that are clamped together; the first connector includes a first insulator and a first housing, and a first short side wall is arranged opposite along the width direction of the first insulator, and first transition walls are arranged opposite along the length direction on both sides of the first short side wall; the second connector includes a second insulator and a second housing, and a second short side wall is arranged opposite along the width direction of the second insulator, and second transition walls are arranged opposite along the length direction on both sides of the second short side wall; the first housing includes a first main body portion extending along the width direction and two first side guard portions extending along the length direction, the first main body portion is wrapped on the first short side wall, and the two first side guard portions are wrapped on the first transition walls respectively, the second housing includes a second main body portion extending along the width direction and two second side guard portions extending along the length direction, the second main body portion is inserted into the second short side wall, and the two second side guard portions are inserted into the second transition walls respectively, and the outer periphery of the first main body portion and the first side guard portion is provided with a first groove that is continuous and recessed inward.

[0006] Preferably, the lower end of the first groove is further provided with a second locking part that protrudes outward. The first locking part is disposed on the second main body and the second side protection part. Both the first locking part and the second locking part are continuous convex ridge structures. The lower end of the first locking part is further provided with a second groove that fits into the second locking part for double locking between the first housing and the second housing.

[0007] Preferably, the first groove of the first main body is provided with a boss structure, the boss structure extends from one end edge of the first groove to the other end edge, the top of the boss structure and the other end edge of the first groove form a locking groove, and the first locking part is a stop protrusion structure provided on the second main body, the stop protrusion structure is engaged in the locking groove.

[0008] Furthermore, the stop protrusion structure is a wedge-shaped stop block, and there are two or more wedge-shaped stop blocks.

[0009] Furthermore, the first connector also includes a plurality of first signal terminals, and the first insulator also includes a first long sidewall disposed opposite to each other in the length direction. The first long sidewall is connected to a first transition wall, and a plurality of first slots are provided on the first long sidewall. The first signal terminals are installed in the first slots.

[0010] Furthermore, the second connector also includes a plurality of second signal terminals and a center post protective plate. The second insulator also includes a center post and two second long side walls. The second long side walls are connected to the second transition wall. The second short side walls, the second long side walls and the second transition wall form a rectangular frame. A center post is provided in the middle of the rectangular frame. A plurality of second slots are provided on the second long side walls. The second signal terminals are installed in the second slots. The center post protective plates are provided on both ends of the center post.

[0011] Furthermore, the central column protective plate includes a protective part and a fixing part, the protective part at least covers the two end surfaces of the central column, and the fixing part is connected to the bottom of the second short side wall of the second insulator.

[0012] Furthermore, the fixing part also includes an elastic snap-fit ​​part extending toward the two second transition walls and disposed inside the second transition walls, the elastic snap-fit ​​part snapping into the first groove.

[0013] Furthermore, the two short sidewalls of the second insulator are provided with snap-fit ​​grooves on their outer sides, and protrusions are provided inside the snap-fit ​​grooves. The connection between the second main body and the second short sidewalls is provided with a barb structure, and the second main body is snapped with the protrusions through the barb structure.

[0014] Furthermore, both the first and second housings are formed by bending metal sheets.

[0015] The beneficial effects of this utility model are as follows: by setting corresponding first and second housings on the short side walls of the first and second connectors of the connector assembly, and setting a first groove on the outer periphery of the first housing, and setting a first locking part that fits into the first groove on the corresponding side wall of the second housing, a stable connection between the first and second connectors is achieved through the interlocking of the concave and convex surfaces, thereby improving the interlocking force between the two and making insertion and removal more stable. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the connector assembly in the first embodiment of the present invention;

[0017] Figure 2 This is an exploded view of the first connector in the first embodiment of the present invention;

[0018] Figure 3 This is an exploded view of the second connector in the first embodiment of the present invention;

[0019] Figure 4 This is a cross-sectional schematic diagram of the connection between the first connector and the second connector in the first embodiment of this utility model;

[0020] Figure 5 This is a schematic diagram of the first shell structure in the first embodiment of the present invention;

[0021] Figure 6 This is a schematic diagram of the second shell structure of the first embodiment of this utility model;

[0022] Figure 7 This is a schematic diagram of the connector assembly in the second embodiment of the present invention.

[0023] Figure 8 This is an exploded view of the first connector in the second embodiment of the present invention.

[0024] Figure 9 This is an exploded view of the second connector in the second embodiment of the present invention.

[0025] Figure 10 This is a cross-sectional schematic diagram of the connection between the first connector and the second connector in the second embodiment of this utility model;

[0026] Figure 11 This is a schematic diagram of the first shell structure in the second embodiment of the present invention;

[0027] Figure 12 This is a schematic diagram of the second shell structure in the second embodiment of the present invention;

[0028] Reference numerals: 1-First connector, 2-Second connector, 11-First housing, 12-First insulator, 13-First signal terminal, 110-First groove, 111-Second locking part, 112-First main body, 113-First side protection part, 114-Boss structure, 115-Engaging groove, 120-First short side wall, 121-First transition wall, 122-Sloping surface, 123-Top surface, 124-Snap-fit ​​block, 125-First long side wall, 1250-First slot, 21-Second Housing, 22-Second insulator, 23-Second signal terminal, 24-Center post protective plate, 210-First locking part, 211-Second groove, 212-Second main body part, 213-Second side protection part, 2120-Barbed structure, 220-Second short side wall, 2201-Snap-fit ​​groove, 2202-Protrusion, 221-Second transition wall, 222-Center post, 223-Second long side wall, 2230-Second slot, 240-Protective part, 241-Fixing part, 242-Elastic snap-fit ​​part Detailed Implementation

[0029] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0030] This application provides a connector assembly to solve the problem of unstable insertion and removal of the male and female terminals of board-to-board connectors in the prior art. It should be noted that in this application, the direction of the first connector relative to the second connector is upward, above, upper side, upper end, top, or tip, while the opposite direction is downward, below, lower side, lower end, bottom, or bottom.

[0031] like Figures 1 to 12 The following is an embodiment of this application:

[0032] A connector assembly includes a first connector 1 and a second connector 2 that engage with each other. The first connector 1 includes a first insulator 12 and a first housing 11. A pair of first short sidewalls 120 are disposed opposite each other along the width direction of the first insulator 12, and first transition walls 121 are bent and extended from the first short sidewalls 120 to both sides along the length direction. The second connector 2 includes a second insulator 22 and a second housing 21. Second short sidewalls 220 are disposed opposite each other along the width direction of the second insulator 22, and second transition walls 221 are bent and extended from the second short sidewalls 220 to both sides along the length direction. The first housing 21 includes a first main body portion 112 extending along the width direction and two... A first side guard 113 extending along the length direction, a first main body 112 covering the first short side wall 120, two first side guards 113 respectively covering the first transition wall 121, the second housing 21 includes a second main body 212 extending along the width direction and two second side guards 213 extending along the length direction, the second main body 212 is inserted into the second short side wall 220, the two second side guards 213 are respectively inserted into the second transition wall 221, the outer periphery of the first main body 112 and the first side guards 113 are provided with a continuous and inwardly recessed first groove 110; the side wall of the second main body 212 near the first housing 11 is provided with a first locking part 210 that fits into the first groove 110.

[0033] The first embodiment of this application is specifically referred to. Figures 5-6 The lower end of the first groove 110 is also provided with a second locking part 111 protruding outward. The first locking part 210 is disposed on the second main body part 212 and the second side guard part 213. Both the first locking part 210 and the second locking part 111 are continuous convex ridge structures. The lower end of the first locking part 210 is also provided with a second groove 211 that fits into the second locking part 111 for double locking between the first housing 11 and the second housing 21.

[0034] like Figure 4 As shown, in this embodiment, a first housing 11 and a second housing 21 are provided on the short sidewalls of the first connector 1 and the second connector 2 of the connector assembly. A first groove 110 and a second locking part 111 are provided on the outer periphery of the first housing 11. A first locking part 210 that fits into the first groove 110 and a second groove 211 that cooperates with the second locking part 111 are provided on the corresponding sidewall of the second housing 21. A stable connection between the first connector 1 and the second connector 2 is achieved through the fitting of two pairs of concave and convex surfaces. Compared with the previous point-to-point locking, the fastening force between the two connectors is greatly improved, and the insertion and removal are more stable.

[0035] The second embodiment of this application refers to Figures 11-12In this embodiment, a boss structure 114 is provided in the first groove 110 of the first main body 112. The boss structure 114 extends from one end edge of the first groove 110 to the other end edge. The top end of the boss structure forms a locking groove with the other end edge of the first groove 110. The first locking part 210 is a stop protrusion structure provided on the second main body 212, and the stop protrusion structure is engaged in the locking groove 115. Optionally, the stop protrusion structure is a wedge-shaped stop block. In this embodiment, two wedge-shaped stop blocks are provided. Of course, more can be provided, and no specific limitation is made here.

[0036] like Figure 10 As shown, in this embodiment, a locking groove 115 is constructed in the first groove 110 to cooperate with a plurality of first locking parts 210 (wedge-shaped stop blocks) for connection. This method also improves the locking force between the two connectors.

[0037] The two embodiments described above share the following common features, apart from the different fitting methods between the first housing 11 and the second housing 21:

[0038] Reference Figure 2 and Figure 8 The first connector 1 also includes a plurality of first signal terminals 13, and the first insulator 12 also includes a first long side wall 125 arranged opposite to each other in the length direction. The first long side wall 125 is connected to the first transition wall 121. The first long side wall 125 is provided with a plurality of first slots 1250, and the first signal terminals 13 are installed in the first slots 1250.

[0039] Several outwardly protruding snap-fit ​​blocks 124 are also provided on the first insulator. Specifically, they can be set on the first short side wall 120 or the first transition wall 121, or at the junction of the two. In short, they are used to enhance the connection stability with the interior of the first housing 11. Above the first short side wall, there is also an inclined surface 122 and a top surface 123 connected thereto. The first housing 11 completely covers the inclined surface 122 and the top surface 123. The reason for adding two surfaces is to further enhance the connection stability between the first housing 11 and the first insulator.

[0040] Further reference Figure 3 and Figure 9The second connector 2 also includes several second signal terminals 23 and a central post protective plate 24. The second insulator 22 also includes a central post 222 and a second long side wall 223. The second long side wall 223 is connected to the second transition wall 221. The second short side wall 220, the second long side wall 223 and the second transition wall 221 form a rectangular frame. A central post 222 is provided in the middle of the rectangular frame. Several second slots 2230 are provided on the second long side wall 223. The second signal terminals 23 are installed in the second slots 2230. The central post protective plate 24 is provided on both ends of the central post 222.

[0041] Optionally, the center post protective plate 24 includes a protective portion 240 and a fixing portion 241. The protective portion 240 covers at least both end surfaces of the center post 222. The fixing portion 241 can be a single piece or two pieces extending towards the second insulator 22 and fixedly connected to the bottom of the second short side wall 220 of the second insulator 22. The protective portion 240 can prevent the end surface of the center post 222 from being directly connected to the mating connector, and its large protective area helps to improve the protective effect.

[0042] More preferably, the fixing part 241 further includes an elastic snap-fit ​​part 242 extending toward the two second transition walls 221 and disposed inside the second transition walls 221. The elastic snap-fit ​​part 242 snaps into the first groove 110. This design can be used in both embodiments, but is more preferably used in the second embodiment.

[0043] Refer to Figure 3 and Figure 9 The second insulator 22 has snap-fit ​​grooves 2201 on the outer sides of its two second short sidewalls 220, and protrusions 2202 inside the snap-fit ​​grooves 2201. A barb structure 2120 is provided at the connection between the second main body 212 and the second short sidewalls 220. The second main body 212 on the second housing 21 is snapped into the protrusions 2202 via the barb structure 2120. The tight snap-fit ​​between the barb structure 2120 and the two sidewalls of the protrusions 2202 improves the stability of the connection between the second housing 21 and the second insulator 22.

[0044] In the two embodiments described above, the central column protective plate 24, the first housing 11, and the second housing 21 are all formed by bending metal plates. The first housing 11 and the second housing 21 also serve as shielding. The second housing 21 can be either a split type or an integrated type.

[0045] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0046] The embodiments described above merely illustrate the implementation of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A connector assembly comprising a first connector and a second connector that are mutually engaged; the first connector comprising a first insulator, a first housing, a first short side wall arranged opposite along a width direction of the first insulator, and first transition walls arranged opposite along a length direction on both sides of the first short side wall; the second connector comprising a second insulator, a second housing, a second short side wall arranged opposite along a width direction of the second insulator, and second transition walls arranged opposite along a length direction on both sides of the second short side wall; characterized in that: The first shell comprises a first main body part extending in the width direction and two first side guard parts extending in the length direction, the first main body part is wrapped on the first short side wall, and the two first side guard parts are wrapped on the first transition wall respectively; the second shell comprises a second main body part extending in the width direction and two second side guard parts extending in the length direction, the second main body part is inserted on the second short side wall, and the two second side guard parts are inserted on the second transition wall respectively; the outer periphery of the first main body part and the first side guard part is provided with a continuous and inwardly recessed first groove; and the second main body part is provided with a first locking part near the side wall of the first shell, which is fitted with the first groove.

2. The connector assembly of claim 1, wherein: The lower end of the first groove is further provided with an outwardly protruding second locking part, the first locking part is arranged on the second main body part and the second side guard part, and the first locking part and the second locking part are both continuous ridge structures; the lower end of the first locking part is further provided with a second groove fitted with the second locking part, for double locking between the first shell and the second shell.

3. The connector assembly of claim 1, wherein: The first groove of the first main body part is provided with a boss structure extending from one end edge of the first groove to the other end edge, the top end of the boss structure and the other end edge of the first groove form a locking groove, the first locking part is a stop protruding structure arranged on the second main body part, and the stop protruding structure is clamped in the locking groove.

4. The connector assembly of claim 3, wherein: The stop protruding structure is a wedge-shaped stop block, and the wedge-shaped stop block is provided with two or more.

5. The connector assembly of claim 1, wherein: The first connector further comprises a plurality of first signal terminals, the first insulator further comprises first long side walls arranged opposite in the length direction, the first long side walls are connected with the first transition wall, a plurality of first clamping grooves are arranged on the first long side walls, and the first signal terminals are installed in the first clamping grooves.

6. The connector assembly of claim 1, wherein: The second connector further comprises a plurality of second signal terminals and a center column protection sheet, the second insulator further comprises a center column and two second long side walls, the second long side walls are connected with the second transition wall, the second short side wall, the second long side wall and the second transition wall form a rectangular frame, the center column is arranged in the rectangular frame, a plurality of second clamping grooves are arranged on the second long side walls, the second signal terminals are installed in the second clamping grooves, and the center column protection sheet is arranged at both ends of the center column.

7. The connector assembly of claim 6, wherein: The center column protection sheet comprises a protection part and a fixing part, the protection part covers at least the surface of both end parts of the center column, and the fixing part is connected to the bottom of the second short side wall of the second insulator.

8. The connector assembly of claim 7, wherein: The fixing part further comprises an elastic clamping part extending to the two second transition walls and arranged on the inner side of the second transition wall, and the elastic clamping part is clamped with the first groove.

9. The connector assembly of claim 1, wherein: The outer side of the two second short side walls of the second insulator is provided with a clamping groove, the clamping groove is provided with a protruding block inside, the connecting part of the second main body part and the second short side wall is provided with a barb structure, and the second main body part is clamped with the protruding block through the barb structure.

10. The connector assembly of claim 1, wherein: The first shell and the second shell are both formed by bending metal plates.

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