Double-card-edge connector

Abstract

The utility model relates to a double-card-edge connector which is used for plugging a first card board and a second card board. The double-card-edge connector comprises a shell, two clamping hook pieces and a plurality of contact pieces. The shell comprises a shell main body, a first slot and a second slot; the first slot and the second slot are respectively formed at two opposite ends of the shell main body; the clamping hook piece is arranged in the shell and comprises a first body, a first upper extending section and a first lower extending section. The contact elements are adjacently arranged on two opposite side surfaces of the shell, and each contact element comprises a second body and two second extension sections. During electrical connection, the first clamping plate and the second clamping plate are inserted into the first inserting groove and the second inserting groove respectively, and the clamping hook piece and the first clamping plate are clamped with each other. According to the double-card-edge connector provided by the utility model, the number of parts can be reduced and the assembling time can be reduced through clamping the clamping hook pieces on the two sides and the clamping plate.

Description

Technical Field

[0001] The utility model relates to a double-edge card connector, in particular to a double-edge card connector with an integrated double-sided hook design, which can firmly clamp an inserted printed circuit board. Background Art

[0002] Card edge connectors are widely used in electronics and computer systems, connecting printed circuit boards (PCBs) electrically via slots. These connectors are commonly used in memory modules, expansion cards, and other applications that require quick plugging and unplugging. Dual card edge connectors are one application of card edge connectors. They contain two card edges in a single connector and can simultaneously connect two printed circuit boards, providing higher connection density and design flexibility. They are widely used in high-performance computing and communications equipment. As connector functions and application areas become more mature and widespread, the demand for card edge connectors is increasing. Improving connector assembly efficiency and reducing production costs have become topics that require improvement.

[0003] See also Figure 1 and Figure 2 , which shows a schematic diagram of a dual-edge card connector of the prior art and its connection to a corresponding card board. The prior art connector consists of a housing 1, a hook member 2, and a contact member 3. When the card board is plugged into the connector, the hook member 2 is required to assist in the buckling. Figure 2 As can be seen from the exploded diagram, the hook member 2 used in the prior art is a single hook design. Depending on the connector assembly requirements, at least two hook members 2 are required on each side, with a maximum of four hook members on both sides. When a dual-edge connector uses multiple hook members 2 due to assembly requirements, the number of components required increases, thereby increasing assembly time and production costs.

[0004] In view of this, the present invention proposes a dual card edge connector to solve the problems of long assembly time and high assembly cost faced by the dual card edge connector in the prior art. Utility Model Content

[0005] The present invention provides a dual-edge connector comprising a housing, a hook member, and a contact assembly. The primary feature is an integrated double-sided hook member design, including a corresponding receiving groove for the hook member and a corresponding receiving space for the contact member. This design ensures excellent stability and a secure fit when the card board is plugged into the dual-edge connector. The hook members on both sides of the dual-edge connector have double-sided hooks that interlock with corresponding engagement holes on the card board, achieving optimal locking after connector assembly. Compared to single-hook connectors, the design reduces the number of assembled parts and reduces assembly time.

[0006] To achieve the above-mentioned objectives, the present invention discloses a dual-edge connector for plugging a first card board and a second card board. The dual-edge connector comprises a housing, two hook members, and a plurality of contacts. The housing comprises a housing body, a first slot, and a second slot, the first slot and the second slot being formed at opposite ends of the housing body, respectively. The hook member is disposed in the housing, and the hook member comprises a first body, a first upper extension section, and a first lower extension section, the first upper extension section and the first lower extension section extending along a first direction at both ends of the first body, respectively, and the first upper extension section and the first lower extension section partially extending into the first slot. The contacts are arranged adjacently on two opposite side surfaces of the housing, and the contacts comprise a second body and two second extension sections, the second extension sections being connected to both sides of the second body, respectively, and the second extension sections partially extending into the first slot and the second slot. When electrically connected, the first card and the second card are respectively inserted into the first slot and the second slot, the second extension section contacts the first card and the second card respectively, and the hook member is engaged with the first card.

[0007] In one embodiment, the first upper extension section also has a first bending section, and the first lower extension section also has a second bending section. The first bending section and the second bending section are formed symmetrically relative to the first body, and the first bending section and the second bending section are partially accommodated in the first slot.

[0008] In one embodiment, the shell further includes two first accommodating grooves and two second accommodating grooves, wherein the first accommodating grooves and the second accommodating grooves are formed in the shell body and communicate with each other.

[0009] In one embodiment, each of the hook members also has a first protruding section extending from the first body along the first direction, and a portion of the first body, the first upper extension section and the first lower extension section are arranged in the first receiving groove, and another portion of the first body and the first protruding section are arranged in the second receiving groove.

[0010] In one embodiment, the first card plate further has two engaging holes. When the first card plate is set in the first slot, the engaging holes and the hook member engage with each other, and the first bent section and the second bent section are accommodated in the corresponding engaging holes, correspondingly limiting and engaging the first card plate.

[0011] In one embodiment, when the first card is inserted into the first slot, the first upper extension section and the first lower extension section provide an elastic force so that one end of the first card contacts and passes through the first bending section and the second bending section, and the first bending section and the second bending section are respectively in an engaging state with the engaging hole.

[0012] In one embodiment, the housing further has a plurality of accommodating spaces correspondingly formed on two opposite sides of the housing body, so that the contact members are disposed in the accommodating spaces.

[0013] In one embodiment, each of the contact members further includes a second protruding section extending from the second body, and each of the accommodating spaces further includes a recessed portion, and the second protruding section is fixed in the corresponding recessed portion.

[0014] In one embodiment, the first slot and the second slot are not connected to each other.

[0015] In one embodiment, the hook member and the contact member are an integrally formed structure.

[0016] According to the double-edge card connector of the present invention, hook members are provided on both sides thereof, and the hook members are engaged with the card plates, thereby reducing the number of assembled parts to lower costs and also reducing the assembly time of the connector.

[0017] After referring to the accompanying drawings and the embodiments described below, those skilled in the art will understand other objects, means and implementation plans of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of a conventional dual-card edge connector plugged into a printed circuit board;

[0019] Figure 2 An exploded diagram of a conventional dual-card edge connector;

[0020] Figure 3 A schematic diagram of a dual card edge connector according to an embodiment of the present invention plugged into a first card board;

[0021] Figure 4 A schematic diagram of a dual card edge connector according to an embodiment of the present invention;

[0022] Figure 5 A schematic diagram of a dual card edge connector from another perspective according to an embodiment of the present invention;

[0023] Figure 6 This is an exploded schematic diagram of a dual card edge connector according to an embodiment of the present invention;

[0024] Figure 7 A partial perspective view of a dual card edge connector according to an embodiment of the present invention; and

[0025] Figure 8 FIG. 4 is a side view of a dual card edge connector according to an embodiment of the present invention.

[0026] Description of Reference Numerals

[0027] 100 Dual Card Edge Connector

[0028] 200 First Pallet

[0029] 201 snap-in hole

[0030] 1 Housing

[0031] 11 Shell body

[0032] 12 First Slot

[0033] 13 Second slot

[0034] 14. First receiving groove

[0035] 15 Second accommodating groove

[0036] 16 Storage Space

[0037] 161 Depression

[0038] 2 hook pieces

[0039] 21 The first ontology

[0040] 22 First upper extension

[0041] 221 First bending section

[0042] 23 First lower extension

[0043] 231 Second bending section

[0044] 24 First protruding section

[0045] 3 Contacts

[0046] 31 Second Body

[0047] 32 Second extension

[0048] 33 Second protruding section

[0049] D1 First direction. DETAILED DESCRIPTION

[0050] The following examples illustrate the present invention. The examples are not intended to limit the present invention to any specific environment, application, or specific method. Therefore, the description of the examples is intended only to illustrate the present invention and is not intended to limit the present invention. It should be noted that in the following examples and accompanying drawings, some components not directly related to the present invention have been omitted and are not depicted. Furthermore, the dimensional relationships between the components in the accompanying drawings are provided for ease of understanding and are not intended to limit the actual proportions.

[0051] See also Figures 3 to 6 . Figure 3 FIG. 1 is a schematic diagram of a dual card edge connector 100 according to an embodiment of the present invention being inserted into a first card board 200 . Figure 4 and Figure 5 Shown are schematic diagrams of a dual card edge connector 100 according to an embodiment of the present invention viewed from different angles. Figure 6 The figure is a schematic diagram of an exploded view of a dual-card edge connector according to an embodiment of the present invention. The dual-card edge connector 100 of the present invention is used to insert a first card board 200 and a second card board (not shown). The dual-card edge connector 100 comprises a housing 1, two hook members 2, and a plurality of contact members 3. The hook members 2 and the contact members 3 are arranged in the housing 1, and the first card board 200 further has two engaging holes 201, so that the hook members 2 are used to engage with the engaging holes 201 of the first card board 200. The contact members 3 are used to contact the metal contact ends of the first card board 200 and the second card board, so that the dual-card edge connector 100 is electrically connected to the first card board 200 and the second card board.

[0052] It should be noted that the dual card edge connector 100 of the present invention is a card edge connector in which card boards can be inserted at both ends of the connector. In this embodiment, the two hook members 2 contact the first card board 200 with one end of the contact member 3, and the two engaging holes 201 of the first card board 200 are engaged with the hook member 2 as an example, while the second card board contacts the other end of the contact member 3 (not shown in the figure).

[0053] Next, we will first explain the shell 1. Please refer to Figures 7 and 8 . Figure 7 and Figure 8 The figure shows a partial perspective view and a side view of a dual-card edge connector according to an embodiment of the present invention. The housing 1 includes a housing body 11, a first slot 12, a second slot 13, two first receiving grooves 14, two second receiving grooves 15, and a plurality of receiving spaces 16. The first slot 12 and the second slot 13 are formed at opposite ends of the housing body 11, respectively, and the first slot 12 and the second slot 13 are not connected to each other. The first slot 12 is for inserting the first card board 200, and the second slot 13 is for inserting the second card board. The length of the first slot 12 is greater than that of the second slot 13. In addition, the first receiving groove 14 and the second receiving groove 15 are formed on the same side of the housing body 11 as the second slot 13. Specifically, the first receiving groove 14 and the second receiving groove 15 are formed in the housing body 11 in a manner connected to each other. The first receiving groove 14 and the second receiving groove 15 are for the hook member 2 to be disposed. The accommodating spaces 16 are formed on two opposite sides of the housing body 11, and the contact members 3 can be disposed in the accommodating spaces 16. Each of the accommodating spaces 16 further includes a recessed portion 161. Figure 4 and Figure 5 It should be noted that in this embodiment, the number of the first receiving groove 14 and the second receiving groove 15 is two each as an example, wherein a combination of one first receiving groove 14 and one second receiving groove 15 is formed on the left and right sides of the dual card edge connector 100, and the position and number of the first receiving groove 14 and the second receiving groove 15 can be adjusted according to the actual structure of the hook member 2 and are not limited here.

[0054] Next, the hook member 2 is described. Figures 4 to 7 As shown, the hook members 2 are disposed within the housing 1. Each hook member 2 comprises a first body 21, a first upper extension section 22, a first lower extension section 23, and a first protruding section 24. The first upper extension section 22 and the first lower extension section 23 extend along a first direction D1 at opposite ends of the first body 21, and partially extend into the first slot 12. Furthermore, the first upper extension section 22 has a first bent section 221, and the first lower extension section 23 has a second bent section 231. The first and second bent sections 221, 231 are symmetrically formed in opposite directions relative to the first body 21. The first and second bent sections 221, 231 are adjacent to each other but do not interfere with each other. Partially accommodated within the first slot 12, the first bent section 221 and the second bent section 231 facilitate engagement when the first clip 200 is inserted into the first slot 12. The first protruding section 24 extends from the first body 21 along the first direction D1. A portion of the first body 21, the first upper extension section 22, and the first lower extension section 23 are disposed within the first receiving groove 14. Meanwhile, a portion of the first body 21 and the first protruding section 24 are disposed within the second receiving groove 15. This allows the hook 2 to be securely inserted into the housing 1 via the first upper extension section 22, the first lower extension section 23, and the first protruding section 24. Furthermore, the corresponding first receiving groove 14 and second receiving groove 15 enhance component assembly efficiency.

[0055] Next, contact 3 is explained. Please refer to Figures 3 to 8 The contact members 3 are arranged adjacently on two opposite sides of the housing 1. Each of the contact members 3 comprises a second body 31, two second extension sections 32 and a second protruding section 33. The second extension sections 32 are respectively connected to both sides of the second body 31. The second protruding section 33 is formed by extending from the second body 31. Figure 6 Specifically, the second body 31, the second extension 32, and the second protruding section 33 are all accommodated in the accommodating space 16 of the housing 1, with the second protruding section 33 secured within the corresponding recess 161, thus enhancing stability and improving assembly efficiency. Furthermore, the second extension 32 partially extends into the first slot 12 and the second slot 13, allowing its ends to contact the first and second clips 200, respectively.

[0056] The following describes in detail the connection relationship of the dual card edge connector 100 of the present invention. Figure 3 and Figure 7 As shown, when electrically connected, the first card board 200 and the second card board are inserted into the first slot 12 and the second slot 13, respectively. The two second extensions 32 of the contact member 3 contact the first card board 200 and the second card board, respectively, and the hook member 2 engages with the first card board 200. Specifically, when the first card board 200 is inserted into the first slot 12, the first upper extension 22 and the first lower extension 23 of the hook member 2 provide an elastic force, which allows one end of the first card board 200 to contact and pass through the first bent section 221 of the first upper extension 22 and the second bent section 231 of the first lower extension 23. Thereafter, the first bent section 221 and the second bent section 231 are respectively engaged with the engaging hole 201. In addition, when the first card plate 200 is set in the first slot 12, the locking hole 201 and the hook member 2 are locked with each other, wherein the first bending section 221 of the first upper extension section 22 and the second bending section 231 of the first lower extension section 23 are accommodated in the corresponding locking hole 201, correspondingly limiting and locking the first card plate 200.

[0057] It should be noted that in the embodiment of the dual-card edge connector 100 of the present invention, the hook member 2 and the contact member 3 are both made of an integrally formed structure.

[0058] In summary, the dual-edge connector of the present invention includes a housing, a hook member, and a contact member. The upper and lower extensions connected to the first body of the hook member, as well as the bent sections formed at the ends of the upper and lower extensions, are connected to the hook member. The two hook members, each in the form of an integrated, multi-bend elastic arm, are provided on both sides of the connector. When the card plate is connected to the dual-edge connector, the design of the two bent sections, one on each side, can achieve an optimal snap-fit ​​effect. Furthermore, the arrangement of the first protruding section of the hook member and the second receiving groove, and the second protruding section of the contact member and the recessed portion of the housing, can enhance the stability of the product after assembly. Thus, the dual-edge connector of the present invention, with its integrated, multi-bend, elastic hook member design, achieves an optimized snap-fit ​​effect when the hook member and the card plate are assembled, saves components required for assembly, and significantly shortens assembly time.

[0059] The above embodiments are intended only to illustrate the implementation methods of the present invention and to illustrate the technical features of the present invention, and are not intended to limit the scope of protection of the present invention. Any modifications or equivalent arrangements that can be easily accomplished by those skilled in the art are within the scope of the present invention. The scope of protection of the present invention shall be determined by the claims.

Claims

1. A dual card edge connector, characterized in that: For plugging a first card board and a second card board, the dual-card edge connector comprises: A housing, comprising a housing body, a first slot and a second slot, wherein the first slot and the second slot are respectively formed at opposite ends of the housing body; Two hook members are disposed in the housing, the hook members comprising a first body, a first upper extension section, and a first lower extension section, the first upper extension section and the first lower extension section respectively extending along a first direction at two ends of the first body, and the first upper extension section and the first lower extension section partially extending into the first slot; and A plurality of contact members are adjacently arranged on two opposite side surfaces of the housing, the contact members comprising a second body and two second extension sections, the second extension sections are respectively connected to two sides of the second body, and the second extension sections partially extend into the first slot and the second slot; When electrically connected, the first card and the second card are respectively inserted into the first slot and the second slot, the second extension section contacts the first card and the second card respectively, and the hook member is engaged with the first card.

2. The dual card edge connector according to claim 1, wherein: The first upper extension section also has a first bending section, and the first lower extension section also has a second bending section. The first bending section and the second bending section are formed symmetrically relative to the first body, and the first bending section and the second bending section are partially accommodated in the first slot.

3. The dual card edge connector according to claim 2, wherein: The shell further includes two first accommodating grooves and two second accommodating grooves, wherein the first accommodating grooves and the second accommodating grooves are formed in the shell body and communicate with each other.

4. The dual card edge connector according to claim 3, wherein: Each of the hook members also has a first protruding section extending from the first body along the first direction. Part of the first body, the first upper extension section and the first lower extension section are arranged in the first receiving groove, and another part of the first body and the first protruding section are arranged in the second receiving groove.

5. The dual card edge connector according to claim 4, wherein: The first card plate also has two engaging holes. When the first card plate is set in the first slot, the engaging holes and the hook member engage with each other, and the first bending section and the second bending section are accommodated in the corresponding engaging holes, correspondingly limiting and engaging the first card plate.

6. The dual card edge connector according to claim 5, wherein: When the first card is inserted into the first slot, the first upper extension section and the first lower extension section provide an elastic force, so that one end of the first card contacts and passes through the first bending section and the second bending section, and the first bending section and the second bending section are respectively in a clamping state with the clamping hole.

7. The dual card edge connector according to claim 1, wherein: The shell further has a plurality of accommodating spaces correspondingly formed on two opposite sides of the shell body, so that the contact members are arranged in the accommodating spaces.

8. The dual card edge connector according to claim 7, wherein: Each of the contact members further includes a second protruding section extending from the second body, and each of the accommodating spaces further includes a recessed portion, and the second protruding section is fixed in the corresponding recessed portion.

9. The dual card edge connector according to claim 3, wherein: The first slot and the second slot are not connected to each other.

10. The dual card edge connector according to claim 1, wherein: The hook member and the contact member are an integrally formed structure.

Images