Reinforced lock catch structure of board-to-board connector

Abstract

The utility model relates to a board-to-board connector reinforcing lock catch structure, which comprises a female connector and a male connector, the female connector is fixed on a first PCB and is provided with an interface part and at least two first lock catch parts distributed on the periphery of the interface part, and the first lock catch parts are uniformly distributed on the periphery of the interface part; the male connector is fixed on the second PCB and is provided with a columnar connecting plug and second lock catch parts distributed on the periphery of the columnar connecting plug, and the columnar connecting plug is used for being inserted into the interface part, so that the male connector and the female connector are connected and an electrical transmission relation is obtained; the first lock catch part and the second lock catch part which are in the same direction are connected together through the lock pins respectively, and the female connector and the male connector obtain relatively close pulling force, so that the connection of the male connector and the female connector is improved, the connector is suitable for being used in a vibration environment, and the requirement for connecting a power supply and a signal between boards is met. The lock pin is simple in structure, convenient to manufacture and implement, low in investment cost and beneficial to selective use.

Description

TECHNICAL FIELD

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

[0002] The board to board connector is the connector product with the strongest transmission capacity among all the connector products, and is mainly applied to the power system, communication network, financial manufacturing, elevator, industrial automation, medical equipment, office equipment, household appliance, military manufacturing and other industries. In the electronic manufacturing, the whole device may need to adapt to the available space. If the PCB in the circuit board design stage tends to occupy too much space, the device may be divided into two or more boards. The board to board connector can connect the power supply and signal between the boards to complete all the connections. In addition, the use of the board to board connector also simplifies the production and testing of electronic devices. In the electronic manufacturing industry, the simplified testing reflects huge cost savings.

[0003] There are various types of board to board connectors on the market today, which can basically meet people's use requirements, but there are still some problems. The traditional board to board connector lacks anti-falling treatment when in use, and the interface plug-in force is difficult to meet the requirements, especially in the application environment of vibration. The interface is loose due to vibration, which leads to the separation of the male and female connector of the product, and causes poor contact of the connector. SUMMARY

[0004] The utility model discloses a kind of board to board connector reinforcing lock structures, improve the connection of male and female connector, solve the above technical problems.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The board to board connector reinforcing lock structure has:

[0007] Female connector, the female connector is fixed on the first PCB board, and the female connector is equipped with interface part and the first lock part distributed in the outer periphery of interface part, and the first lock part is at least two and evenly distributed in the outer periphery of interface part;

[0008] Male connector, the male connector is fixed on the second PCB board, and the male connector is equipped with columnar plug-in head and the second lock part distributed in the outer periphery of columnar plug-in head, and the columnar plug-in head is used to insert interface part, so that the male connector is connected with female connector and obtains electrical transmission relationship;The number and position of the second lock part are matched with the first lock part;

[0009] A plurality of locking pins are respectively used to connect the first and second locking parts in the same orientation and to obtain the relative pulling force between the female connector and the male connector; the connection between the locking pin and the first locking part and the connection between the locking pin and the second locking part are detachable connections.

[0010] The female connector is further provided with a first extension connection part which is distributed around the interface part and at least matches the distribution of the first locking part, and the first locking part is a through hole formed in the first extension connection part; the male connector is further provided with a second extension connection part which is distributed around the cylindrical plug and at least matches the distribution of the second locking part, and the second locking part is a special-shaped through hole formed in the second extension connection part; the locking pin is a straight rod-shaped body, both ends of the locking pin are designed as a large end and a small end, an end cover is arranged on the large end of the locking pin, and a hook is arranged on the small end of the locking pin; after the small end of the locking pin passes through the first and second locking parts in sequence, the hook is dislocated and hooked to the pre-set hanging table of the second locking part by rotating the locking pin, and the end cover of the large end of the locking pin is clamped to the outside of the first locking part, so that the first and second locking parts in the same orientation are connected together and the relative pulling force between the female connector and the male connector is obtained.

[0011] The first extension connection part is positioned on the first PCB board, and a first avoiding hole is formed in the first PCB board and in communication with the first locking part; the second extension connection part is positioned on the second PCB board, and a second avoiding hole is formed in the second PCB board and in communication with the second locking part.

[0012] The first locking part is in the form of a stepped hole, and a ring table is formed on the outside of the first locking part; the end cover of the locking pin is sunk and clamped on the ring table.

[0013] The outside of the second locking part is provided with a sunken notch, and the hanging table is formed by the inner bottom of the notch.

[0014] The ring table is provided with a protruding tooth which is arranged in an annular interval; the inner side of the corresponding end cover is provided with a recessed tooth gap which matches the shape and size of the protruding tooth, and the protruding tooth is sunk into the tooth gap to establish a locking connection.

[0015] The hook on the small end of the locking pin is an eccentric block which is integrally formed with the locking pin.

[0016] The first and second locking parts are both two and are symmetrically arranged, two locking pins are respectively used to connect the first and second locking parts in the same orientation, and the hooks of the two locking pins are arranged to face each other after being hooked to the hooks.

[0017] With the above structure, the utility model discloses a first lock catch part is equipped with on the female head connector, the second lock catch part is equipped with on the male head connector, and the lock pin connects the first lock catch part and the second lock catch part of same orientation together and makes the female head connector and the male head connector obtain the tension of relative closing, thereby improving the connection of male head connector and female head connector, is suitable for use in the vibration environment, meets the need of connecting power and signal between board and board. Meanwhile, the connection of the lock pin and the first lock catch part and the connection of the lock pin and the second lock catch part are all detachable connection, and it is convenient to dismount, also be conducive to the selection use, simple structure, convenient production and implementation, low investment cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] ATTACHED Figure 1 It is the embodiment structure schematic drawing of the utility model to select the lock pin connection;

[0019] ATTACHED Figure 2 It is the embodiment structure schematic drawing of the utility model to select the lock pin connection; Figure 1 Embodiment structure exploded schematic drawing;

[0020] ATTACHED Figure 3 It is the embodiment structure schematic drawing of the utility model to select the lock pin connection; Figure 1 Female head connector structure schematic drawing of embodiment;

[0021] ATTACHED Figure 4 It is the embodiment structure schematic drawing of the utility model to select the lock pin connection; Figure 1 Lock pin structure schematic drawing of embodiment;

[0022] ATTACHED Figure 5 It is the embodiment structure schematic drawing of the utility model to select the lock pin connection; Figure 1 Lock pin assembly connection structure schematic drawing of embodiment;

[0023] ATTACHED Figure 6 It is the embodiment structure schematic drawing of the utility model to select the lock pin connection; Figure 5 Another view structure schematic drawing of embodiment;

[0024] ATTACHEDIt is the embodiment structure schematic drawing of the utility model to select the lock pin connection. Figure 7 DETAILED DESCRIPTION The conception, specific structure and generated technical effect of the utility model will be further explained below in combination with the drawings, to fully understand the purpose, features and effects of the utility model.

[0025]

[0026] It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] Referring to Figures 1-7 As shown in the structure schematic diagram of the preferred embodiment of the utility model, the utility model relates to a board-to-board connector reinforcing lock structure, which has: a female connector 1, a first PCB board 2, a male connector 3, a second PCB board 4 and a lock pin 5.

[0028] The female connector 1 is fixed on the first PCB board 2, and the female connector 1 is provided with an interface part 11 and a first lock part 12 distributed on the outer periphery of the interface part 11; the interface part 11 of the embodiment is constructed into a sleeve-shaped body, corresponding terminals (not shown in the figure) are assembled in the inside of the interface part 11, which are used for electrical connection of the first PCB board 2 and subsequent plug-in conduction. The first lock part 12 is at least two and is evenly distributed on the outer periphery of the interface part 11. The male connector 3 is fixed on the second PCB board 4, and the male connector 3 is provided with a columnar plug-in head 31 and a second lock part 32 distributed on the outer periphery of the columnar plug-in head 31. Corresponding terminals (not shown in the figure) are assembled on the columnar plug-in head 31, and the terminals are used for electrical connection of the second PCB board 4 and subsequent plug-in conduction with the columnar plug-in head 31 inserted into the interface part 11, so that the male connector 3 is connected with the female connector 1 and obtains an electrical transmission relationship. The number and position of the second lock part 32 match the first lock part 12, forming a matching relationship. A plurality of lock pins 5 connect the first lock part 12 and the second lock part 32 in the same direction together and make the female connector 1 and the male connector 3 obtain a relative pulling force, improve the connection of the male and female connectors, so that the female connector 1 and the male connector 3 have a sustained holding force after plug-in connection and will not be loose, which is suitable for use in a vibrating environment and meets the needs of connecting power and signals between boards. The connection of the lock pin 5 with the first lock part 12 and the connection of the lock pin 5 with the second lock part 32 are detachable connections, which have the nature of disassembly and are convenient for users to select and use the lock pin. As Figure 7 As shown in the structure schematic diagram of the preferred embodiment of the utility model, the utility model relates to a board-to-board connector reinforcing lock structure, which has: a female connector 1, a first PCB board 2, a male connector 3, a second PCB board 4 and a lock pin 5.

[0029] Figures 1-7As shown, the female connector 1 of the embodiment is provided with a first extension connection part 13, which is distributed around the interface part 11 and at least matches the distribution of the first locking part 12, and the first locking part 12 is a through hole formed on the first extension connection part 13; the male connector 3 is provided with a second extension connection part 33, which is distributed around the cylindrical plug 31 and at least matches the distribution of the second locking part 32, and the second locking part 32 is a special-shaped through hole formed on the second extension connection part 33. In the embodiment, the female connector 1 and the male connector 3 are designed in T shape, the first extension connection part 13 extends in the opposite direction around the interface part 11, and the second extension connection part 33 also extends in the opposite direction around the cylindrical plug 31, so as to increase the structural property and assembly performance of the product. The lock pin 5 is a straight rod-shaped body, both ends of the lock pin 5 are designed as large end and small end respectively, an outwardly protruding end cover 51 is arranged on the large end of the lock pin 5, and a hook 52 is arranged on the small end of the lock pin 5; after the small end of the lock pin 5 sequentially passes through the first locking part 12 and the second locking part 32, the lock pin 5 is rotated, the hook 52 is misaligned and hung on the pre-set hanging table 321 of the second locking part 32, and the end cover 51 of the large end of the lock pin 5 is clamped on the outside of the first locking part 12, so as to connect the first locking part 12 and the second locking part 32 in the same direction together and make the female connector 1 and the male connector 3 obtain relative approaching tension. When disassembly is needed, the lock pin 5 is rotated, the hook 52 is out of the hanging table 321 and is aligned with the second locking part 32, so as to pull out the lock pin 5, and the small end of the lock pin 5 sequentially exits the second locking part 32 and the first locking part 12.

[0030] In the embodiment, the first extension connection part 13 is positioned and adhered on the first PCB board 2, so as to increase the installation stability; and a first avoiding hole 21 is formed on the first PCB board 2, which is aligned and communicated with the first locking part 12, so as to disassemble and assemble the lock pin 5. The second extension connection part 33 is positioned and adhered on the second PCB board 4, and a second avoiding hole 41 is formed on the second PCB board 4, which is aligned and communicated with the second locking part 32, so as to assemble and hang the lock pin 5.

[0031] Further, the first locking part 12 is in the form of a stepped hole, an inner sunken ring table 121 is formed on the outside of the first locking part 12, and the end cover 51 of the lock pin 5 is sunk and clamped on the ring table 121. In order to facilitate the rotation of the lock pin 5, a one-bar or cross slot is arranged on the top surface of the end cover 51, so as to insert a screwdriver or the like to rotate the lock pin 5, and appropriate unlocking or closing marks are arranged on the outside of the first extension connection part 13, so as to facilitate the operation of the operator.

[0032] Further, the ring table 121 is provided with convex teeth 1211 arranged in annular intervals; the inner side of the corresponding end cover 51 is provided with a recessed tooth opening 511, the shape and size of which match those of the convex teeth 1211, and the anti-loose connection is established by the sinking of the convex teeth 1211 into the tooth opening 511, further improving the shockproof effect.

[0033] In the embodiment, the second locking part 32 is provided with an inner recessed notch 322 on the outer side, and the hanging table 321 is formed by the inner bottom of the notch 322; the hook 52 on the small end of the locking pin 5 is an eccentric block integrally formed with the locking pin, which is simple and stable in structure and convenient to manufacture. The two locking pins 5 are respectively connected to the first locking part 12 and the second locking part 32 in the same orientation, and the hooks 52 of the two locking pins 5 are arranged towards each other after being hooked on the hook head of the hanging table 321, increasing the centripetal force, so that the female connector 1 has greater pulling force after being connected with the male connector 3, and the connection is continuously maintained without loosening.

[0034] The utility model discloses a first locking part is arranged on the female connector, a second locking part is arranged on the male connector, and a locking pin connects the first locking part and the second locking part in the same orientation together and makes the female connector and the male connector obtain the relative pulling force, thereby improving the connection of the male and female connectors, being suitable for use in a vibrating environment and meeting the needs of connecting power and signals between plates. Meanwhile, the connection of the locking pin with the first locking part and the connection of the locking pin with the second locking part are detachable connections, which are convenient to disassemble and assemble, easy to select and use, simple in structure, convenient to manufacture and implement and low in investment cost.

[0035] The utility model is described in detail in combination with the embodiments above, only for explaining the technical concept and characteristics of the utility model, the purpose of which is to let people familiar with the technology understand the content of the utility model and implement it, and it cannot limit the protection scope of the utility model, so equivalent changes or modifications according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A board-to-board connector reinforcing latch structure characterized by, Have: The female connector (1) is fixed on the first PCB (2), and the female connector (1) is provided with an interface part (11) and a first locking part (12) distributed on the periphery of the interface part (11), and the first locking part (12) is at least two and evenly distributed on the periphery of the interface part (11); The male connector (3) is fixed on the second PCB (4), and the male connector (3) is provided with a cylindrical plug (31) and a second locking part (32) distributed on the periphery of the cylindrical plug (31), and the cylindrical plug (31) is used for inserting into the interface part (11), so that the male connector (3) is connected with the female connector (1) and obtains the electrical transmission relationship; the number and position of the second locking part (32) match the first locking part (12); A plurality of locking pins (5) are used to connect the first locking part (12) and the second locking part (32) in the same direction together and make the female connector (1) and the male connector (3) obtain the relative closing tension; the connection of the locking pin (5) with the first locking part (12) and the connection of the locking pin (5) with the second locking part (32) are detachable connections.

2. The board-to-board connector reinforcing lock structure according to claim 1, characterized by, The female connector (1) is provided with a first extension connection part (13), and the first extension connection part (13) is distributed on the periphery of the interface part (11) and at least matches the distribution of the first locking part (12), and the first locking part (12) is a through hole opened on the first extension connection part (13); The male connector (3) is provided with a second extension connection part (33), and the second extension connection part (33) is distributed on the periphery of the cylindrical plug (31) and at least matches the distribution of the second locking part (32), and the second locking part (32) is a special-shaped through hole opened on the second extension connection part (33); The locking pin (5) is a straight rod-shaped body, the two ends of the locking pin (5) are designed as a large end and a small end, an end cover (51) is arranged on the large end of the locking pin (5), and a hook (52) is arranged on the small end of the locking pin (5); after the small end of the locking pin (5) passes through the first locking part (12) and the second locking part (32) in sequence, the hook (52) is misaligned and hung on the hanging table (321) of the second locking part (32) by rotating the locking pin (5), and the end cover (51) of the large end of the locking pin (5) is clamped on the outside of the first locking part (12), so that the first locking part (12) and the second locking part (32) in the same direction are connected together and the female connector (1) and the male connector (3) obtain the relative closing tension.

3. The board-to-board connector reinforcing lock structure according to claim 2, characterized by, The first extension connection part (13) is positioned on the first PCB (2), and a first avoiding hole (21) is opened on the first PCB (2), which is in alignment with the first locking part (12); the second extension connection part (33) is positioned on the second PCB (4), and a second avoiding hole (41) is opened on the second PCB (4), which is in alignment with the second locking part (32).

4. The board-to-board connector reinforcing lock structure according to claim 2, characterized by, The first locking part (12) is in the form of a stepped hole, and an inner sunken ring platform (121) is formed on the outer side of the first locking part (12); the end cover (51) of the lock pin (5) is sunken and clamped on the ring platform (121).

5. The board-to-board connector reinforcing lock structure according to claim 2, characterized by, The outer side of the second locking part (32) is provided with an inner sunken notch (322), and the hanging platform (321) is formed by the inner bottom of the notch (322).

6. The board-to-board connector reinforcing lock structure according to claim 4, wherein The ring platform (121) is provided with a protruding tooth (1211) arranged at an annular interval; the inner side of the corresponding end cover (51) is provided with a recessed tooth gap (511), and the shape and size of the tooth gap (511) are matched with the protruding tooth (1211); the protruding tooth (1211) is sunk into the tooth gap (511) to establish a anti-loosening connection.

7. The board-to-board connector reinforcing lock structure according to claim 2, characterized by, The hook (52) on the small end of the lock pin (5) is an eccentric block integrally formed with the lock pin.

8. The board-to-board connector reinforcing lock structure according to claim 2, characterized by, The first locking part (12) and the second locking part (32) are both two and are symmetrically arranged respectively; two lock pins (5) are respectively connected to the first locking part (12) and the second locking part (32) in the same orientation, and the hooks (52) of the two lock pins (5) are arranged with the hook heads facing each other after being hooked on the hanging platform (321).

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