Connector housing assembly, connector and connector assembly

Abstract

The invention discloses a connector shell assembly, a connector and a connector assembly. The connector housing assembly includes: a housing having two end portions opposite in a longitudinal direction thereof; and the pair of welding pieces are respectively arranged on the two end parts of the shell. The welding piece comprises a pair of first welding legs which are suitable for being inserted into and welded to a pair of first welding holes in the circuit board respectively so as to fix the shell to the circuit board. The pair of first welding legs are in a flat sheet shape and are attached to the two outer side faces of the end of the shell respectively, so that the end of the shell is clamped between the pair of first welding legs. According to the invention, the sizes of the connector shell and the circuit board can be reduced, and enough holding force can be provided, so that the connector shell can be reliably fixed on the circuit board.

Description

Technical Field

[0001] The present invention relates to a connector housing assembly, a connector including the connector housing assembly, and a connector assembly including the connector. Background Art

[0002] In the prior art, the housing of a connector is fixed to a circuit board by using screws. However, since the screws are relatively large in size, this increases the width of the connector housing and the size of the circuit board, which is not conducive to the miniaturization of the product. Summary of the Invention

[0003] The object of the present invention aims to solve at least one of the above problems and defects existing in the prior art.

[0004] According to one aspect of the present invention, there is provided a connector housing assembly. The connector housing assembly includes: a housing having two longitudinally opposite ends; and a pair of welding parts respectively mounted on the two ends of the housing. The welding parts include: a pair of first welding legs adapted to be respectively inserted into and welded to a pair of first welding holes on a circuit board to fix the housing to the circuit board. The pair of first welding legs are in the form of flat sheets and respectively abut against two outer side surfaces of the ends of the housing, such that the ends of the housing are clamped between the pair of first welding legs.

[0005] According to an exemplary embodiment of the present invention, the welding part further includes: a connecting piece connected between the pair of first welding legs, and a horizontal slot extending in the transverse direction of the housing is formed on the top surface of the end of the housing, and the connecting piece of the welding part is inserted into and held in the horizontal slot.

[0006] According to another exemplary embodiment of the present invention, the first welding leg has an upper end and a lower end opposite to each other in the height direction of the housing, the connecting piece is connected between the upper ends of the pair of first welding legs, and the lower ends of the first welding legs are inserted into and welded to the first welding holes on the circuit board.

[0007] According to another exemplary embodiment of the present invention, the welding part further includes: a support portion connected to one side edge of the first welding leg and bent by a predetermined angle relative to the surface of the first welding leg, the support portion is located at an intermediate position between the upper end and the lower end of the first welding leg and is supported on the end surface of the end of the housing to increase the stiffness of the first welding leg.

[0008] According to another exemplary embodiment of the present invention, the welding member further includes: a second welding leg, located between the pair of first welding legs and connected to the connecting piece, and a vertical slot extending in the height direction of the housing is further formed on the end of the housing, and the second welding leg passes through the vertical slot and exposes from the bottom surface of the end of the housing for inserting and welding into a second welding hole on the circuit board.

[0009] According to another exemplary embodiment of the present invention, the upper end of the second welding leg is connected to the lower side edge of the connecting piece, and the lower end of the second welding leg is for inserting and welding into a second welding hole on the circuit board.

[0010] According to another exemplary embodiment of the present invention, the second welding leg is in a flat sheet shape, and the two side surfaces of the second welding leg and the connecting piece are respectively flush and perpendicular to the surface of the first welding leg.

[0011] According to another aspect of the present invention, there is provided a connector. The connector includes: a connector housing assembly; and a plurality of terminals disposed in the housing.

[0012] According to an exemplary embodiment of the present invention, the plurality of terminals are arranged in two rows, and the two rows of terminals are spaced opposite to each other in the lateral direction of the housing; a slot allowing a board to be inserted is formed on the housing, and the two rows of terminals are for electrically contacting the two sides of the inserted board respectively.

[0013] According to another exemplary embodiment of the present invention, the plurality of terminals include a plurality of first terminals, one end of the first terminal is for electrically contacting the board, and the other end is for being inserted into a terminal jack on the circuit board to be electrically connected to the circuit board.

[0014] According to another exemplary embodiment of the present invention, the plurality of terminals further include a plurality of second terminals, one end of the second terminal is for electrically contacting the board, and the other end is for being electrically connected to a cable.

[0015] According to another exemplary embodiment of the present invention, the connector further includes: a plurality of cables, one end of which extends into the housing and is electrically connected to the other ends of the plurality of second terminals.

[0016] According to another exemplary embodiment of the present invention, the connector further includes: a bottom cover, mounted on the bottom opening of the housing, and the cable passes through the bottom cover and extends into the housing.

[0017] According to another exemplary embodiment of the present invention, the connector further includes: a row of protrusions are respectively formed on both sides of the bottom cover, and a row of grooves are respectively formed on both sides of the housing. The protrusions and the grooves are in a dovetail shape and engage with each other to fix the bottom cover to the housing.

[0018] According to another exemplary embodiment of the present invention, the connector further includes: a cable retainer, which is injection-molded on the plurality of cables for holding the plurality of cables together.

[0019] According to another exemplary embodiment of the present invention, the connector further includes: a fixing member, which is in a U shape and is clamped on one end of the cable retainer. The fixing member has welding pins, and the welding pins are used to be inserted and welded into the pin jacks on the circuit board to fix the cable retainer on the circuit board.

[0020] According to another aspect of the present invention, there is provided a connector assembly. The connector assembly includes: a connector; and a circuit board, which is formed with a first welding hole. The first welding leg of the connector is inserted and welded into the first welding hole on the circuit board to fix the connector to the circuit board.

[0021] According to another exemplary embodiment of the present invention, the connector assembly further includes: a board card, which is inserted into a slot on the housing of the connector to be in electrical contact with a plurality of terminals of the connector.

[0022] According to another exemplary embodiment of the present invention, a second welding hole is further formed on the circuit board. The second welding leg of the connector is inserted and welded into the second welding hole on the circuit board to fix the connector to the circuit board.

[0023] According to another exemplary embodiment of the present invention, a terminal jack is further formed on the circuit board. The first terminal of the connector is inserted into the terminal jack to be electrically connected to the circuit board.

[0024] In the foregoing various exemplary embodiments according to the present invention, the welding legs of the welding parts for fixing the connector housing to the circuit board are in a flat sheet shape and have a very small volume, without occupying a large space. Therefore, the present invention can reduce the sizes of the connector housing and the circuit board, and can provide sufficient holding force so that the connector housing can be reliably fixed on the circuit board.

[0025] Other objects and advantages of the present invention will become apparent and can help to have a comprehensive understanding of the present invention through the description of the present invention with reference to the accompanying drawings hereinafter. Description of the Drawings

[0026] Figure 1 A perspective view of a connector assembly according to an exemplary embodiment of the present invention is shown;

[0027] Figure 2 An exploded view of a connector assembly according to an exemplary embodiment of the present invention is shown;

[0028] Figure 3 A perspective view of a connector according to an exemplary embodiment of the present invention is shown, wherein the cable retainer is not shown;

[0029] Figure 4 An exploded view of a connector according to an exemplary embodiment of the present invention is shown, wherein the cable retainer is not shown;

[0030] Figure 5 An exploded view of a connector housing assembly according to an exemplary embodiment of the present invention is shown;

[0031] Figure 6 A cross-sectional view of a connector housing assembly according to an exemplary embodiment of the present invention is shown;

[0032] Figure 7 A perspective view of a connector housing assembly according to an exemplary embodiment of the present invention as viewed from the bottom is shown;

[0033] Figure 8 An exploded view of a connector housing assembly according to an exemplary embodiment of the present invention as viewed from the bottom is shown. Detailed Description of the Invention

[0034] The technical solutions of the present invention will be further specifically described below through embodiments in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0035] In addition, in the following detailed description, for the purpose of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present disclosure. However, it is obvious that one or more embodiments can be implemented without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

[0036] According to one general technical concept of the present invention, a connector housing assembly is provided. The connector housing assembly includes: a housing having two longitudinally opposite ends; and a pair of weldments respectively mounted on the two ends of the housing. The weldment includes: a pair of first welding legs adapted to be respectively inserted into and welded to a pair of first welding holes on a circuit board to fix the housing to the circuit board. The pair of first welding legs are in flat sheet form and respectively abut against two outer side surfaces of the end of the housing, such that the end of the housing is clamped between the pair of first welding legs.

[0037] According to another general technical concept of the present invention, a connector is provided. The connector includes: a connector housing assembly; and a plurality of terminals disposed in the housing.

[0038] According to another general technical concept of the present invention, a connector assembly is provided. The connector assembly includes: a connector; and a circuit board formed with first welding holes. The first welding legs of the connector are inserted into and welded to the first welding holes on the circuit board to fix the connector to the circuit board.

[0039] Figure 1 A perspective schematic view showing a connector assembly according to an exemplary embodiment of the present invention; Figure 2 An exploded schematic view showing a connector assembly according to an exemplary embodiment of the present invention; Figure 3 A perspective schematic view showing a connector 1 according to an exemplary embodiment of the present invention, in which the cable holder 14 is not shown; Figure 4 An exploded schematic view showing a connector 1 according to an exemplary embodiment of the present invention, in which the cable holder 14 is not shown; Figure 5 An exploded schematic view showing a connector housing assembly according to an exemplary embodiment of the present invention.

[0040] As Figures 1 to 5 As shown, in an exemplary embodiment of the present invention, a connector housing assembly is disclosed. The connector housing assembly includes a housing 10 and a pair of weldments 11. The housing 10 has two longitudinally opposite ends in its longitudinal direction Y. The pair of weldments 11 are respectively mounted on the two ends of the housing 10. The weldment 11 includes a pair of first welding legs 11a. The pair of first welding legs 11a are adapted to be respectively inserted into and welded to a pair of first welding holes 21a on a circuit board 2 to fix the housing 10 to the circuit board 2.

[0041] As Figures 1 to 5As shown, in the illustrated embodiment, a pair of first welding legs 11a are in the shape of flat sheets and are respectively abutted against two outer side surfaces 10a at the end of the housing 10, such that the end of the housing 10 is clamped between the pair of first welding legs 11a. In the illustrated embodiment, the pair of first welding legs 11a are small in volume and do not need to occupy a large space. Therefore, the sizes of the housing 10 and the circuit board 2 can be reduced.

[0042] Figure 6 Showing a cross-sectional view of a connector housing assembly according to an exemplary embodiment of the present invention; Figure 7 Showing a perspective schematic view of a connector housing assembly according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 8 Showing an exploded schematic view of a connector housing assembly according to an exemplary embodiment of the present invention when viewed from the bottom.

[0043] As Figures 1 to 8 shown, in the illustrated embodiment, the welding member 11 further includes a connecting piece 11c, and the connecting piece 11c is connected between the pair of first welding legs 11a. A horizontal slot 10c extending along the transverse direction X of the housing 10 is formed on the top surface of the end of the housing 10, and the connecting piece 11c of the welding member 11 is inserted and held in the horizontal slot 10c.

[0044] As Figures 1 to 8 shown, in the illustrated embodiment, the first welding leg 11a has an upper end and a lower end opposite to each other in the height direction Z of the housing 10, the connecting piece 11c is connected between the upper ends of the pair of first welding legs 11a, and the lower ends of the first welding legs 11a are inserted and welded into the first welding holes 21a on the circuit board 2.

[0045] As Figures 1 to 8 shown, in the illustrated embodiment, the welding member 11 further includes a support portion 11d, and the support portion 11d is connected to a side edge of the first welding leg 11a and is bent by a predetermined angle relative to the surface of the first welding leg 11a. For example, it is bent by 90 degrees. The support portion 11d is located at an intermediate position between the upper end and the lower end of the first welding leg 11a and is supported on the end face 10d of the end of the housing 10 to improve the stiffness of the first welding leg 11a.

[0046] As Figures 1 to 8 shown, in the illustrated embodiment, the welding member 11 further includes a second welding leg 11b, and the second welding leg 11b is located between the pair of first welding legs 11a and is connected to the connecting piece 11c. A vertical slot 10b extending along the height direction Z of the housing 10 is further formed on the end of the housing 10, and the second welding leg 11b passes through the vertical slot 10b and exposes from the bottom surface of the end of the housing 10 for insertion and welding into the second welding holes 21b on the circuit board 2.

[0047] As Figures 1 to 8 shown, in the illustrated embodiment, the upper end of the second welding leg 11b is connected to the lower side of the connecting piece 11c, and the lower end of the second welding leg 11b is for inserting and welding into the second welding hole 21b on the circuit board 2.

[0048] As Figures 1 to 8 shown, in the illustrated embodiment, the second welding leg 11b is in the shape of a flat sheet, and the two side surfaces of the second welding leg 11b and the connecting piece 11c are respectively flush and perpendicular to the surface of the first welding leg 11a.

[0049] As Figures 1 to 8 shown, in another exemplary embodiment of the present invention, a connector 1 is also disclosed. The connector 1 includes: a connector housing assembly and a plurality of terminals 12, and the plurality of terminals 12 are arranged in the housing 10.

[0050] As Figures 1 to 8 shown, in the illustrated embodiment, the plurality of terminals 12 are arranged in two rows, and the two rows of terminals 12 are spaced relative to each other in the lateral direction X of the housing 10. A slot 101 for inserting a circuit board (not shown) is formed on the housing 10, and the two rows of terminals 12 are for making electrical contact with both sides of the inserted circuit board respectively.

[0051] As Figures 1 to 8 shown, in the illustrated embodiment, the plurality of terminals 12 include a plurality of first terminals 12', one end of the first terminal 12' is for making electrical contact with the circuit board, and the other end is for being inserted into the terminal jack 22a on the circuit board 2 to be electrically connected to the circuit board 2.

[0052] As Figures 1 to 8 shown, in the illustrated embodiment, the plurality of terminals 12 further include a plurality of second terminals 12", one end of the second terminal 12" is for making electrical contact with the circuit board, and the other end is for being electrically connected to the cable 16.

[0053] As Figures 1 to 8 shown, in the illustrated embodiment, the connector 1 further includes a plurality of cables 16, one end of which extends into the housing 10 and is electrically connected to the other ends of the plurality of second terminals 12".

[0054] As Figures 1 to 8 shown, in the illustrated embodiment, the connector 1 further includes a bottom cover 13, and the bottom cover 13 is installed on the bottom opening of the housing 10. The cable 16 passes through the bottom cover 13 and extends into the housing 10.

[0055] As Figures 1 to 8 shown, in the illustrated embodiment, a row of protrusions 132 are respectively formed on both sides of the bottom cover 13, and a row of grooves 102 are respectively formed on both sides of the housing 10. The protrusions 132 and the grooves 102 are in the shape of a dovetail and engage with each other to fix the bottom cover 13 to the housing 10.

[0056] As Figures 1 to 8 shown, in the illustrated embodiment, the connector 1 further includes a cable holder 14 which is directly injection-molded on a plurality of cables 16 for holding the plurality of cables 16 together.

[0057] As Figures 1 to 8 shown, in the illustrated embodiment, the connector 1 further includes a fixing member 15 which is U-shaped and clamped on one end of the cable holder 14. The fixing member 15 has welding pins 15a. The welding pins 15a are used to be inserted and welded into the pin jacks 25a on the circuit board 2 to fix the cable holder 14 on the circuit board 2.

[0058] As Figures 1 to 8 shown, in another exemplary embodiment of the present invention, a connector assembly is also disclosed. The connector assembly includes: a connector 1 and a circuit board 2. The circuit board 2 is formed with first welding holes 21a. The first welding legs 11a of the connector 1 are inserted and welded into the first welding holes 21a on the circuit board 2 to fix the connector 1 to the circuit board 2.

[0059] As Figures 1 to 8 shown, in the illustrated embodiment, the connector assembly further includes a board card (not shown) which is plugged into the slot 101 on the housing 10 of the connector 1 to be in electrical contact with a plurality of terminals 12 of the connector 1.

[0060] As Figures 1 to 8 shown, in the illustrated embodiment, second welding holes 21b are further formed on the circuit board 2. The second welding legs 11b of the connector 1 are inserted and welded into the second welding holes 21b on the circuit board 2 to fix the connector 1 to the circuit board 2.

[0061] As Figures 1 to 8 shown, in the illustrated embodiment, terminal jacks 22a are further formed on the circuit board 2. The first terminals 12' of the connector 1 are plugged into the terminal jacks 22a to be electrically connected to the circuit board 2.

[0062] Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements thereto. The structures described in various embodiments can be freely combined without conflicts in structure or principle, and these changes should reasonably fall within the protection scope of the present invention.

[0063] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present invention and should not be construed as a limitation to the present invention.

[0064] While some embodiments of the general concept of the present invention have been shown and described, those of ordinary skill in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

[0065] It should be noted that the term "comprising" does not exclude other elements or steps, and the terms "a" or "an" do not exclude a plurality. Additionally, any element numerals in the claims should not be construed as limiting the scope of the present invention.

Claims

1. A connector housing assembly, characterized in that, Comprising: A housing (10) having two opposite ends in its longitudinal direction (Y); And A pair of weldments (11) respectively mounted on the two ends of the housing (10), The weldment (11) comprising: A pair of first welding legs (11a) adapted to be respectively inserted into and welded to a pair of first welding holes (21a) on a circuit board (2) to fix the housing (10) to the circuit board (2), The pair of first welding legs (11a) are in flat sheet form and respectively abut against two outer side surfaces (10a) of the end of the housing (10), such that the end of the housing (10) is clamped between the pair of first welding legs (11a).

2. The connector housing assembly according to claim 1, characterized in that: The weldment (11) further comprises: A connecting piece (11c) connected between the pair of first welding legs (11a), A horizontal slot (10c) extending in the transverse direction (X) of the housing (10) is formed on the top surface of the end of the housing (10), and the connecting piece (11c) of the weldment (11) is inserted into and held in the horizontal slot (10c).

3. The connector housing assembly according to claim 2, characterized in that: The first welding leg (11a) has an upper end and a lower end opposite to each other in the height direction (Z) of the housing (10), the connecting piece (11c) is connected between the upper ends of the pair of first welding legs (11a), and the lower end of the first welding leg (11a) is inserted into and welded to the first welding hole (21a) on the circuit board (2).

4. The connector housing assembly according to claim 2, characterized in that: The weldment (11) further comprises: A support portion (11d) connected to one side edge of the first welding leg (11a) and bent by a predetermined angle relative to the surface of the first welding leg (11a), The support portion (11d) is located at the middle part between the upper end and the lower end of the first welding leg (11a) and is supported on the end face (10d) of the end of the housing (10) to improve the stiffness of the first welding leg (11a).

5. The connector housing assembly according to claim 2, characterized in that: The weldment (11) further comprises: A second welding leg (11b) located between the pair of first welding legs (11a) and connected to the connecting piece (11c), A vertical slot (10b) extending in the height direction (Z) of the housing (10) is further formed on the end of the housing (10), and the second welding leg (11b) passes through the vertical slot (10b) and exposes from the bottom surface of the end of the housing (10) for insertion into and welding to a second welding hole (21b) on the circuit board (2).

6. The connector housing assembly according to claim 5, characterized in that: The upper end of the second welding leg (11b) is connected to the lower side edge of the connecting piece (11c), and the lower end of the second welding leg (11b) is for insertion into and welding to the second welding hole (21b) on the circuit board (2).

7. The connector housing assembly according to claim 5, characterized in that: The second welding leg (11b) is in flat sheet form, and the two side surfaces of the second welding leg (11b) and the connecting piece (11c) are respectively flush and perpendicular to the surface of the first welding leg (11a).

8. A connector, characterized in that, Comprising: The connector housing assembly according to any one of claims 1 - 7; And A plurality of terminals (12) provided in the housing (10).

9. The connector according to claim 8, characterized in that: The multiple terminals (12) are arranged in two rows, and the two rows of terminals (12) are spaced opposite to each other in the lateral direction (X) of the housing (10). A slot (101) allowing a board to be inserted is formed in the housing (10), and the two rows of terminals (12) are used for electrical contact with both sides of the inserted board respectively.

10. The connector according to claim 9, characterized in that: The multiple terminals (12) include multiple first terminals (12’), one end of the first terminal (12’) is used for electrical contact with the board, and the other end is used for being inserted into a terminal jack (22a) on the circuit board (2) to be electrically connected to the circuit board (2).

11. The connector according to claim 10, wherein: The multiple terminals (12) further include multiple second terminals (12”), one end of the second terminal (12”) is used for electrical contact with the board, and the other end is used for electrical connection with the cable (16).

12. The connector according to claim 11, wherein Further included is: Multiple cables (16), one end of which extends into the housing (10) and is electrically connected to the other ends of the multiple second terminals (12”).

13. The connector according to claim 12, wherein Further included is: A bottom cover (13), which is installed on the bottom opening of the housing (10), The cable (16) passes through the bottom cover (13) and extends into the housing (10).

14. The connector according to claim 13, wherein: One row of protrusions (132) is respectively formed on both sides of the bottom cover (13), and one row of grooves (102) is respectively formed on both sides of the housing (10). The protrusions (132) and the grooves (102) are in a dovetail shape and engage with each other to fix the bottom cover (13) to the housing (10).

15. The connector according to claim 12, wherein Further included is: A cable holder (14), which is injection-molded on the multiple cables (16) for holding the multiple cables (16) together.

16. The connector according to claim 15, wherein Further included is: A fixing member (15), which is U-shaped and clamped on one end of the cable holder (14), The fixing member (15) has welding pins (15a), and the welding pins (15a) are used for being inserted and welded into the pin jacks (25a) on the circuit board (2) to fix the cable holder (14) on the circuit board (2).

17. A connector assembly, wherein Included is: The connector (1) according to any one of claims 8 - 16; and A circuit board (2), on which a first welding hole (21a) is formed, The first welding leg (11a) of the connector (1) is inserted and welded into the first welding hole (21a) on the circuit board (2) to fix the connector (1) to the circuit board (2).

18. The connector assembly according to claim 17, wherein Further included is: A board, which is inserted into the slot (101) on the housing (10) of the connector (1) to be electrically contacted with the multiple terminals (12) of the connector (1).

19. The connector assembly according to claim 17, wherein: A second welding hole (21b) is further formed on the circuit board (2), and the second welding leg (11b) of the connector (1) is inserted and welded into the second welding hole (21b) on the circuit board (2) to fix the connector (1) to the circuit board (2).

20. The connector assembly according to claim 17, wherein: A terminal jack (22a) is further formed on the circuit board (2), and the first terminal (12’) of the connector (1) is inserted into the terminal jack (22a) to be electrically connected to the circuit board (2).

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