Pluggable connector

Abstract

The utility model discloses a plugging connector, which comprises a pin seat, a terminal seat, a plurality of pins arranged on the pin seat and a plurality of terminals arranged on the terminal seat, a clamping hook is arranged on the terminal seat, a first clamping block is arranged on the pin seat, a first bending elastic sheet is arranged at the top of each terminal, and a second bending elastic sheet is arranged at the bottom of each terminal. The pin is embedded in the pin seat, the pin comprises an upper contact piece, a lower contact piece and a rear contact piece, a space for accommodating the terminal to be inserted is formed between the upper contact piece and the lower contact piece, and a convex part is arranged at the bottom of the front end of the upper contact piece; when the pin seat is inserted into the terminal seat, the clamping hook is clamped with the first clamping block, the convex part is in contact with the first bending elastic sheet, and the lower contact sheet is in contact with the bottom of the terminal. According to the utility model, the connection between the pin seat and the terminal seat is firm, the connector is ensured not to be loosened or separated in the use process, double-sided contact between the contact pin and the terminal is realized, and the reliability and the stability of the connector are improved.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to a plug-in connector. Background Technology

[0002] A connector is a component used to connect electrical devices or circuits. Its main function is to transmit electrical energy, signals, or data. Its structure includes a pin header and a terminal block. The pin header has several pins, and the terminal block has several terminals. When the pin header and terminal block are inserted together, the pins and terminals make contact with each other to connect the two electrical devices.

[0003] However, in existing connectors, the pin socket and terminal block are prone to loosening or separation after mating, and can only carry a current of 1A. As a result, the pin and terminal block have poor contact, which affects the transmission of power, signal or data, and cannot meet the requirements for carrying large currents. Utility Model Content

[0004] To overcome the shortcomings of the prior art, this utility model provides a plug-in connector that can make the connection between the pin seat and the terminal seat firm, ensuring that the connector will not loosen or separate during use. Moreover, it achieves double-sided contact between the pin and the terminal, improving the reliability and stability of the connector, and can carry a current of up to 2A.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A plug-in connector includes a pin socket, a terminal block, a plurality of pins disposed on the pin socket, and a plurality of terminals disposed on the terminal block. The terminal block has a hook, the pin socket has a first locking block, and the top of each terminal has a first bending spring. Each pin is embedded within the pin socket and includes an upper contact piece, a lower contact piece, and a rear contact piece. The upper and lower contact pieces are located at the front end of the pin socket, and the rear contact piece is exposed at the rear end of the pin socket. A space for inserting the terminal is formed between the upper and lower contact pieces. A protrusion is provided at the bottom of the front end of the upper contact piece, and the lower contact piece supports the bottom of the terminal. When the pin socket and the terminal block are inserted, the hook engages with the first locking block, the protrusion contacts the first bending spring, and the lower contact piece contacts the bottom of the terminal, thereby achieving double-sided contact between the pin and the terminal.

[0007] As a further improvement to the above technical solution, the terminal block is provided with a plurality of receiving slots for installing the terminal, a second locking block is provided in the receiving slot, and a second bending spring is provided at the bottom of the terminal, the second bending spring engaging with the second locking block.

[0008] As a further improvement to the above technical solution, the insertion end of the terminal is provided with a first side wing on both sides, the two first side wings are folded to form a limiting groove, the first bent spring is located in the limiting groove, and the limiting groove is used to limit the two sides of the protrusion.

[0009] As a further improvement to the above technical solution, the terminal is provided with second side wings on both sides of its tail, and the two second side wings are folded over to clamp the inner core of the cable.

[0010] As a further improvement to the above technical solution, the hook includes a connecting part, an elastic arm, a hook part, and a pressing part. The connecting part is connected to the terminal block, the connecting part is disposed in the middle of the elastic arm, the hook part is disposed at the insertion end of the elastic arm, and the pressing part is disposed at the tail end of the elastic arm.

[0011] As a further improvement to the above technical solution, the first card block is a right-angled trapezoidal structure, the hook is an inverted right-angled trapezoidal structure, the inclined surface of the first card block faces the terminal block, and the inclined surface of the hook faces the pin seat.

[0012] As a further improvement to the above technical solution, the pin holder is provided with a plurality of clearance grooves, which are located on the top of the upper contact piece. The clearance grooves are used to prevent elastic deformation when the upper contact piece contacts the terminal.

[0013] As a further improvement to the above technical solution, the terminal block is provided with anti-foolproof sliders on both sides, the pin block is provided with two anti-foolproof grooves, the length direction of the anti-foolproof sliders extends along the insertion direction of the terminal block, and the anti-foolproof sliders cooperate with the anti-foolproof grooves.

[0014] As a further improvement to the above technical solution, the rear contact piece is arranged horizontally.

[0015] As a further improvement to the above technical solution, the rear contact piece is vertically arranged.

[0016] The beneficial effects of this utility model are as follows: This utility model provides a plug-in connector in which, when the pin seat and the terminal seat are inserted, the hook engages with the first locking block, which can make the connection between the pin seat and the terminal seat firm and ensure that the connector will not loosen or separate during use. At the same time, the protrusion contacts the first bent spring, causing both the upper contact piece and the first bent spring to undergo elastic deformation, and the lower contact piece contacts the bottom of the terminal. Thus, the upper contact piece and the lower contact piece clamp the terminal, thereby achieving double-sided contact between the pin and the terminal and improving the reliability and stability of the connector. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a structural schematic diagram provided in Embodiment 1 of this utility model;

[0019] Figure 2 yes Figure 1 A sectional view;

[0020] Figure 3 yes Figure 1 Assembly diagram of terminal blocks and terminals;

[0021] Figure 4 yes Figure 3 A sectional view;

[0022] Figure 5 yes Figure 1 Schematic diagram of the middle terminal;

[0023] Figure 6 yes Figure 1 Assembly diagram of the center needle holder and the insert pin;

[0024] Figure 7 This is a structural schematic diagram provided in Embodiment 2 of this utility model.

[0025] Reference numerals: 100-pin holder, 110-clearance groove, 120-foolproof slide groove, 200-terminal holder, 210-second locking block, 220-foolproof slider, 300-pin, 310-upper contact piece, 311-protrusion, 320-lower contact piece, 330-rear contact piece, 400-terminal, 410-first bending spring, 420-second bending spring, 430-first side wing, 440-second side wing, 500-hook, 510-connecting part, 520-elastic arm, 530-hook part, 540-pressing part, 600-first locking block, 700-cable. Detailed Implementation

[0026] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this utility model can be combined interactively without contradicting each other.

[0027] Example 1:

[0028] Reference Figures 1 to 6 This utility model provides a plug-in connector, including a pin base 100, a terminal base 200, a plurality of pins 300 disposed on the pin base 100, and a plurality of terminals 400 disposed on the terminal base 200. The terminal base 200 is provided with a hook 500, the pin base 100 is provided with a first locking block 600, and the top of each terminal 400 is provided with a first bending spring 410. The pins 300 are embedded in the pin base 100 and include an upper contact piece 310. The lower contact piece 320 and the rear contact piece 330, the upper contact piece 310 and the lower contact piece 320 are located at the front end of the pin holder 100, and the upper contact piece 310 is located directly above the lower contact piece 320. The rear contact piece 330 is exposed at the rear end of the pin holder 100. A space for accommodating the insertion of the terminal 400 is formed between the upper contact piece 310 and the lower contact piece 320. A protrusion 311 is provided at the bottom of the front end of the upper contact piece 310, and the lower contact piece 320 is used to support the bottom of the terminal 400.

[0029] When the pin holder 100 and the terminal holder 200 are inserted, the hook 500 engages with the first locking block 600, which ensures a firm connection between the pin holder 100 and the terminal holder 200, preventing the connector from loosening or separating during use. At the same time, the protrusion 311 contacts the first bent spring 410, causing both the upper contact piece 310 and the first bent spring 410 to undergo elastic deformation. The lower contact piece 320 contacts the bottom of the terminal 400, thereby clamping the terminal 400 between the upper contact piece 310 and the lower contact piece 320 to achieve double-sided contact between the pin 300 and the terminal 400, improving the reliability and stability of the connector.

[0030] More specifically, the spacing between two adjacent pins 300 is 1.25mm, and the thickness of pin 300 is 0.25mm, allowing the connector to carry 2A of current.

[0031] In some preferred embodiments, the terminal block 200 is provided with a plurality of receiving slots for mounting the terminal 400, a second retaining block 210 is provided in the receiving slot, and a second bending spring 420 is provided at the bottom of the terminal 400.

[0032] When the terminal 400 is inserted into the receiving groove, the second bent spring 420 engages with the second locking block 210 to realize the assembly between the terminal 400 and the terminal base 200, thereby preventing the terminal 400 from detaching from the terminal base 200 and improving the firmness of the terminal 400 during assembly.

[0033] When it is necessary to remove the terminal 400, the second bending spring 420 is pressed to separate the second bending spring 420 from the second locking block 210, and then the terminal 400 is pulled out, thereby facilitating the removal, installation and replacement of the terminal 400.

[0034] Furthermore, the insertion end of the terminal 400 is provided with a first side wing 430 on both sides. The two first side wings 430 are folded to form a limiting groove. The first bent spring piece 410 is located in the limiting groove. The limiting groove is used to limit the two sides of the protrusion 311, thereby preventing the protrusion 311 from shifting and ensuring good contact between the protrusion 311 and the first bent spring piece 410, further improving the reliability of the connection.

[0035] Furthermore, the terminal 400 has a second side wing 440 on both sides of its tail, and the two second side wings 440 are folded over to clamp the inner core of the cable 700.

[0036] Understandably, the two second side wings 440 fold to form a double fixing structure, which disperses stress through physical clamping, making it more resistant to vibration, impact and cable 700 pulling than solder joints. Moreover, it also facilitates the installation, removal and replacement of the terminals 400.

[0037] In some preferred embodiments, the hook 500 includes a connecting part 510, an elastic arm 520, a hook part 530, and a pressing part 540. The connecting part 510 is connected to the terminal block 200. The connecting part 510 is disposed in the middle of the elastic arm 520. The hook part 530 is disposed in the insertion end of the elastic arm 520. The pressing part 540 is disposed in the tail end of the elastic arm 520.

[0038] Specifically, the first locking block 600 is a right-angled trapezoidal structure, and the hook part 530 is an inverted right-angled trapezoidal structure. The inclined surface of the first locking block 600 faces the terminal base 200, and the inclined surface of the hook part 530 faces the pin base 100.

[0039] Understandably, when the pin holder 100 and the terminal holder 200 are inserted, the inclined surface of the hook 530 first contacts the inclined surface of the first locking block 600. After the hook 530 is subjected to the reaction force of the first locking block 600, the elastic arm 520 undergoes elastic deformation. The hook 530 moves upward along the inclined surface of the first locking block 600, and then moves horizontally along the top of the first locking block 600 until the bottom of the hook 530 disengages from the top of the first locking block 600. Finally, the hook 530 is no longer subject to the first locking block 600. The reaction force of 00 causes the elastic arm 520 to return to its original state, and the hook 530 is engaged with the first locking block 600. When the needle seat 100 and the terminal seat 200 need to be separated, the pressing part 540 is pressed down to cause the elastic arm 520 to elastically deform, thereby driving the hook 530 to move upward, so that the bottom of the hook 530 is higher than the top of the first locking block 600, and finally the terminal seat 200 is pulled out, thereby improving the convenience of locking or unlocking the needle seat 100 and the terminal seat 200.

[0040] In some preferred embodiments, the pin holder 100 is provided with a plurality of clearance grooves 110, which are located on the top of the upper contact piece 310. The clearance grooves 110 are used to prevent elastic deformation when the upper contact piece 310 contacts the terminal 400.

[0041] In some preferred embodiments, the terminal block 200 is provided with anti-misplacement sliders 220 on both sides, and the pin block 100 is provided with two anti-misplacement grooves 120. The length direction of the anti-misplacement sliders 220 extends along the insertion direction of the terminal block 200. The anti-misplacement sliders 220 cooperate with the anti-misplacement grooves 120, thereby preventing mis-insertion, avoiding electrical short circuits or equipment damage caused by incorrect connection, improving the overall safety of the connector, and extending the service life of the connector.

[0042] In some preferred embodiments, the rear contact piece 330 is horizontally arranged, so that the rear contact piece 330 is parallel to the terminal 400, which occupies less vertical space and facilitates the layout of compact equipment.

[0043] Example 2:

[0044] Reference Figure 7 The difference between Embodiment 2 and Embodiment 1 lies in the arrangement of the rear contact piece 330. In Embodiment 2, the rear contact piece 330 is arranged vertically, making the rear contact piece 330 perpendicular to the terminal 400, which facilitates the vertical connection or plugging / unplugging of electrical equipment.

[0045] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A plug-in connector, characterized in that, The device includes a pin holder, a terminal holder, a plurality of pins disposed on the pin holder, and a plurality of terminals disposed on the terminal holder. The terminal holder is provided with a hook, the pin holder is provided with a first locking block, and the top of the terminal is provided with a first bending spring. The pins are embedded in the pin holder. Each pin includes an upper contact piece, a lower contact piece, and a rear contact piece. The upper and lower contact pieces are located at the front end of the pin holder, and the rear contact piece is exposed at the rear end of the pin holder. A space for accommodating the insertion of the terminal is formed between the upper and lower contact pieces. A protrusion is provided at the bottom of the front end of the upper contact piece, and the lower contact piece is used to support the bottom of the terminal. When the pin holder is inserted into the terminal holder, the hook engages with the first locking block, the protrusion contacts the first bent spring, and the lower contact piece contacts the bottom of the terminal, so as to achieve double-sided contact between the pin and the terminal.

2. The plug-in connector according to claim 1, characterized in that, The terminal block is provided with a plurality of receiving slots for installing the terminal. A second locking block is provided in the receiving slot. A second bending spring is provided at the bottom of the terminal and the second bending spring engages with the second locking block.

3. A plug-in connector according to claim 1, characterized in that, The terminal has a first side wing on both sides of the insertion end. The two first side wings are folded to form a limiting groove. The first bent spring is located in the limiting groove. The limiting groove is used to limit the two sides of the protrusion.

4. A plug-in connector according to claim 1, characterized in that, The terminal has a second wing on both sides of its tail, and the two second wing folds over to hold the inner core of the cable.

5. A plug-in connector according to claim 1, characterized in that, The hook includes a connecting part, an elastic arm, a hook part, and a pressing part. The connecting part is connected to the terminal block. The connecting part is located in the middle of the elastic arm. The hook part is located at the insertion end of the elastic arm. The pressing part is located at the tail end of the elastic arm.

6. A plug-in connector according to claim 5, characterized in that, The first locking block is a right-angled trapezoidal structure, and the hook is an inverted right-angled trapezoidal structure. The inclined surface of the first locking block faces the terminal block, and the inclined surface of the hook faces the pin seat.

7. A plug-in connector according to claim 1, characterized in that, The pin holder is provided with a plurality of clearance grooves, which are located on the top of the upper contact piece. The clearance grooves are used to prevent elastic deformation when the upper contact piece comes into contact with the terminal.

8. A plug-in connector according to claim 1, characterized in that, The terminal block is provided with anti-foolproof sliders on both sides, and the pin seat is provided with two anti-foolproof grooves. The length direction of the anti-foolproof sliders extends along the insertion direction of the terminal block, and the anti-foolproof sliders cooperate with the anti-foolproof grooves.

9. A plug-in connector according to claim 1, characterized in that, The rear contact piece is horizontally positioned.

10. A plug-in connector according to claim 1, characterized in that, The rear contact piece is vertically arranged.

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