TPA and Housing integrated connector

Abstract

The utility model belongs to the technical field of connectors, and relates to a TPA and Housing integrated connector, which comprises a Housing module and a TPA module which are integrally formed. A plurality of wire harnesses are inserted into one end of the Housing module through threading holes; the Housing module is provided with a backstop groove, and the backstop groove is communicated with the threading hole. The TPA module is rotationally arranged on the first surface of the Housing module through a rotating structure; the lower surface of the TPA module is also provided with a backstop part, and the backstop part is connected with the Housing module through a point breaking structure. Compared with a traditional split structure, the number of materials prepared in the assembling process is effectively reduced, after the point breaking structure is broken, the stopping part is rotated and downwards pressed into the stopping groove, no complex assembling process is needed, installation operation is simple and fast, installation efficiency is improved, terminals of the wire harness can be effectively stopped, and the terminals are prevented from loosening.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of connector, specifically relates to the connector of TPA and housing integration. BACKGROUND

[0002] The traditional connector is generally composed of separated connector main body, connector position assurance (CPA) and terminal position assurance (TPA), the connector position assurance (CPA) is used to lock the connector main body and shell together to prevent the connector from loosening, and the terminal position assurance (TPA) is used to ensure that the wire terminal is completely settled in the connector main body, when installing and using, the wire terminal is inserted into the connector main body first, then the terminal position assurance (TPA) is assembled to the connector main body, so that the terminal position assurance (TPA) interferes with the terminal part of the wire to prevent the terminal part from exiting, and then the connector position assurance (CPA) is assembled to the connector main body to realize the locking of the connector main body and shell through the connector position assurance (CPA), therefore, the traditional connector has more types and quantities of parts, and the assembly process is more complicated. SUMMARY

[0003] In order to overcome the defects of the prior art, the utility model provides the connector of TPA and housing integration to solve the problems of more types and quantities of parts of the connector of prior art and more complicated assembly process.

[0004] One scheme of the utility model provides a kind of connector of TPA and housing integration, including integrally formed Housing module and TPA module;

[0005] One end of the Housing module is inserted with a plurality of wire harnesses through a threading hole;The first surface of the Housing module is provided with a stop groove, and the stop groove is communicated to the threading hole;

[0006] The TPA module is rotatably arranged on the first surface of the Housing module by a rotating structure;The lower surface of the TPA module further has a stop portion, which is connected and arranged with the Housing module by a point-break structure, and the stop portion is located above the stop groove;

[0007] The point-break structure is configured to break after being subjected to a predetermined pressing force, the stop portion is pressed downward to the stop groove, and the stop portion is used to stop the terminal of the wire harness.

[0008] In one scheme of the utility model, the inner side of the stop portion of the TPA module is provided with a protruding male buckle matching position;

[0009] One groove face of the stop groove of the Housing module is provided with an inner recessed female buckle matching position, the top of the female buckle matching position is provided with a lead-in angle, when the stop portion of the TPA module is pressed down, the male buckle matching position is buckled and fixed with the female buckle matching position, so that the TPA module is kept in the buckled state.

[0010] The other groove face of the stop groove of the Housing module is provided as a guide inclined plane, and the stop portion is connected to the top end of the guide inclined plane through the point break structure in the original open state of the TPA module.

[0011] In one of the schemes of the utility model, the point break structure comprises two connecting nodes, the thickness of the connecting nodes is smaller than that of the TPA module, and the connecting nodes are arranged at two ends of the stop portion of the TPA module respectively.

[0012] In one of the schemes of the utility model, the point break structure is a connecting belt, the thickness of the connecting belt is smaller than that of the TPA module, and the connecting belt has a plurality of break points arranged along a straight line.

[0013] The middle position of the bottom of the stop portion is provided with the connecting belt, or the entire bottom of the stop portion is provided with the connecting belt.

[0014] In one of the schemes of the utility model, the rotating structure is a transition section with gradually decreasing thickness, the end of the transition section is connected with the Housing module, and the end of the transition section is used for forming a rotating shaft.

[0015] In one of the schemes of the utility model, the connector further comprises a counterpart connecting seat, the counterpart connecting seat has a containing cavity and a conductor pin arranged in the containing cavity, the Housing module is inserted into the containing cavity, and the wire harness is inserted with the conductor pin.

[0016] The upper surface of the TPA module is further provided with a guide inner buckle structure, the guide inner buckle structure is provided with a lead-in round angle and a lead-out inclined angle, and the guide inner buckle structure is clamped and fixed with the counterpart connecting seat.

[0017] In one of the schemes of the utility model, one side of the TPA module is provided with a reinforcing step, and the reinforcing step is inserted into the containing cavity.

[0018] In one of the schemes of the utility model, the connector further comprises a counterpart connecting seat, the counterpart connecting seat has a containing cavity and a conductor pin arranged in the containing cavity, the Housing module is inserted into the containing cavity, and the wire harness is inserted with the conductor pin.

[0019] The second surface of the Housing module is provided with an elastic inner buckle structure, the elastic inner buckle structure comprises elastic arms, a clamping piece and a pressing key, fixed ends of the elastic arms are connected with the Housing module, free ends of the elastic arms are provided with the pressing keys, the clamping piece is arranged between the fixed ends and the free ends of the elastic arms, and the clamping piece is clamped and fixed with the counterpart connecting seat.

[0020] In one of the utility models, the bottom surface of the counterpart connecting seat is provided with a DIP direct insertion connecting seat.

[0021] In one of the utility models, the two sides of the counterpart connecting seat are provided with SMT plate pasting connecting seats.

[0022] The TPA and Housing integrated connector provided by the utility model can realize the following technical effects:

[0023] 1. The Housing module and the TPA module are integrally formed, compared with a traditional split structure, the number of materials prepared during assembly is effectively reduced, after the stop portion of the TPA module is disconnected from the point breaking structure, the stop portion is rotated and pressed into the stop groove without a complex assembly process, installation operation is simple and fast, installation efficiency is improved, the terminal of the wire harness can be effectively stopped, the terminal is prevented from loosening due to external forces such as vibration and impact inside the connector, the stability of connection is ensured, and the reliability of connection is improved; meanwhile, the Housing t and the TPA are connected together during production, the size is more stable, deviation of parts produced in different batches is avoided, and the situation that precise assembly cannot be achieved is avoided.

[0024] 2. The male buckle cooperation position on the inner side of the stop portion of the TPA module is buckled and fixed with the female buckle cooperation position on the side of the stop groove of the Housing module, stronger locking force can be provided, the TPA module is prevented from loosening or separating due to external forces such as vibration and impact during use, the terminal of the wire harness is ensured to be in a stopped state at all times, the stability of connection is improved, and the top of the female buckle cooperation position is designed as an introduction angle, so that the stop portion of the TPA module can be more easily aligned and buckled with the male buckle cooperation position during the pressing process, installation difficulty is reduced, and installation efficiency is improved.

[0025] 3. The thickness of the two connection points is less than that of the TPA module. This makes the connection points easier to break under certain downward pressure. It can control the predetermined downward pressure required for the TPA module's stop to disconnect from the Housing module, ensuring that disconnection is achieved under appropriate force and avoiding connector damage or failure to disconnect properly due to excessive or insufficient force. Alternatively, the thickness of the connecting strip is less than that of the TPA module and has several breakpoints set along a straight line. This design can also precisely control the force required for disconnection, allowing the connecting strip to break preferentially along the breakpoints when subjected to predetermined downward pressure, thereby achieving the separation of the TPA module's stop from the Housing module. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0027] Figure 1 A schematic diagram showing the structure of a connector according to one embodiment of the present invention;

[0028] Figure 2 A schematic diagram showing the structure of the connector with a guide snap-fit ​​mechanism according to this utility model;

[0029] Figure 3 express Figure 2 A schematic diagram of the cross-sectional structure of the connector shown;

[0030] Figure 4 A schematic diagram showing the structure of a connector according to another embodiment of the present invention;

[0031] Figure 5 A schematic diagram showing the structure of the connector with an elastic inner buckle structure according to this utility model;

[0032] Figure 6 express Figure 5 A schematic diagram of the cross-sectional structure of the connector shown;

[0033] Figure 7 This is a schematic diagram showing the structure of one embodiment of the present invention in conjunction with a mating connector.

[0034] Figure 8 A schematic diagram showing the structure of the mating connecting seat with reinforced steps according to this utility model;

[0035] Figure 9 This is a schematic diagram showing the structure of the mating connector with DIP through-hole connector of this utility model;

[0036] Figure 10 This is a schematic diagram showing the structure of the mating connector with SMT board connector of this utility model.

[0037] The annotations in the attached figures are explained as follows:

[0038] 10-Housing module; 11-Wire hole; 12-Stop groove; 13-Female buckle mating position; 14-Guide slope;

[0039] 20-TPA module; 21-Rotating structure; 22-Stop part; 23-Point break structure; 24-Male fastening position; 25-Guide inner fastening structure; 26-Reinforcing step; 27-Elastic inner fastening structure; 271-Elastic arm; 272-Snap-fit ​​part; 273-Press key;

[0040] 30 - Wire harness; 31 - Terminal;

[0041] 40 - Pairing connector; 41 - Conductor pin; 42 - DIP connector; 43 - SMT surface mount connector. Detailed Implementation

[0042] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0043] Please refer to Figures 1-6 One embodiment of this utility model provides a connector that integrates a TPA and a Housing module, including an integrally formed Housing module 10 and a TPA module 20.

[0044] One end of the Housing module 10 is connected to several wire bundles 30 through a wire hole 11; the first surface 101 of the Housing module 10 is provided with a stop groove 12, which is connected to the wire hole 11.

[0045] The TPA module 20 is rotatably mounted on the first surface 101 of the Housing module 10 via a rotating structure 21; the lower surface of the TPA module 20 also has a stop portion 22, which is connected to the Housing module 10 via a point-break structure 23, and the stop portion 22 is located above the stop groove 12.

[0046] The point break structure 23 is configured to break after being subjected to a predetermined downward pressure, and the stop part 22 rotates and presses down into the stop groove 12. The stop part 22 is used to stop the terminals of the wire harness 30.

[0047] Understandably, in this embodiment, the connector integrating the TPA and Housing can achieve the following technical effects:

[0048] This effectively reduces the amount of materials required for assembly. Furthermore, after the break structure 23 disconnects, the stop 22 of the TPA module 20 rotates and presses down into the stop groove 12, eliminating the need for complex assembly processes. Installation is simple and quick, improving efficiency. It effectively stops the terminals of the wire harness 30, preventing them from loosening inside the connector due to vibration, impact, or other external forces, thus ensuring connection stability and improving reliability. Simultaneously, the housingt and TPA are connected together during production, resulting in more stable dimensions and preventing deviations between different batches of parts, which could lead to inaccurate assembly.

[0049] Please refer to Figure 1 and Figure 4 In one embodiment of the present invention, a protruding male fastening position 24 is provided on the inner side of the stop portion 22 of the TPA module 20.

[0050] The Housing module 10 has a recessed female fastening position 13 on one side of the stop groove 12. The top of the female fastening position 13 has an inlet angle. When the stop part 22 of the TPA module 20 is pressed down, the male fastening position 24 engages and fixes with the female fastening position 13 so that the TPA module 20 is kept in the fastened state.

[0051] The other groove surface of the stop groove 12 of the Housing module 10 is set as a guide slope 14. When the TPA module 20 is in its original open state, the stop part 22 is connected to the top of the guide slope 14 through the point break structure 23.

[0052] Understandably, in this embodiment, the male snap-fit ​​position 24 on the inner side of the stop portion 22 of the TPA module 20 is engaged and fixed with the female snap-fit ​​position 13 on the groove surface of the stop groove 12 of the Housing module 10. Compared with a simple stop, this engagement structure can provide stronger locking force, effectively preventing the TPA module 20 from loosening or detaching due to external forces such as vibration and impact during use, thereby ensuring that the terminal of the wire harness 30 is always in a stopped state and improving the stability of the connection. In addition, the guide angle design at the top of the female snap-fit ​​position 13 makes it easier for the stop portion 22 of the TPA module 20 to align and engage with the male snap-fit ​​position 24 during the pressing process, reducing the installation difficulty and improving the installation efficiency.

[0053] Please refer to Figure 1 and Figure 4 In one embodiment of the present invention, the point break structure 23 includes two connecting nodes, the thickness of which is less than that of the TPA module 20, and the connecting nodes are respectively disposed at both ends of the stop portion 22 of the TPA module 20.

[0054] Understandably, in this embodiment, the thickness of the two connection nodes is less than that of the TPA module 20, which makes the connection nodes more prone to breakage under certain downward pressure. By precisely designing the thickness and size of the connection nodes, the predetermined downward pressure required for the stop portion 22 of the TPA module 20 to disconnect from the Housing module 10 can be controlled, ensuring that disconnection is achieved under appropriate force and avoiding connector damage or failure to disconnect properly due to excessive or insufficient force.

[0055] In one embodiment of this utility model, the point break structure 23 is a connecting strip, the thickness of the connecting strip is less than that of the TPA module 20, and the connecting strip has several break points arranged along a straight line;

[0056] The connecting strip is provided at the middle position of the bottom of the stop part 22, or the connecting strip is provided at the bottom of the entire stop part 22.

[0057] Understandably, in this embodiment, the thickness of the connecting strip is less than that of the TPA module 20, and it has several breakpoints arranged in a straight line. This design also allows for precise control of the force required for disconnection. The breakpoint design enables the connecting strip to break preferentially along the breakpoints when subjected to a predetermined downward pressure, thereby achieving the separation of the stop portion 22 of the TPA module 20 from the Housing module 10. By adjusting the number and spacing of the breakpoints and the thickness of the connecting strip, the control of the disconnection force can be further optimized.

[0058] In one embodiment of the present invention, the rotating structure 21 is a transition section with gradually decreasing thickness, the end of the transition section is connected to the Housing module 10, and the end of the transition section is used to form a rotating shaft.

[0059] Understandably, in this embodiment, the end of the transition section is connected to the Housing module 10, forming a natural rotation point. This design eliminates the need for additional rotating shafts or bearings, simplifying the connector structure, reducing the number of parts, and lowering manufacturing costs and assembly difficulty. Furthermore, the rotation point is designed reasonably, with the TPA module 20 having a relatively small contact area with the Housing module 10 during rotation, and the contact point being relatively fixed. This helps reduce wear during rotation and extends the connector's service life.

[0060] Please refer to Figure 7In one embodiment of the present invention, the connector further includes a mating connector 40, the mating connector 40 having a receiving cavity and a conductor pin 41 disposed in the receiving cavity, the housing module 10 being inserted into the receiving cavity, and the wire harness 30 being connected to the conductor pin 41.

[0061] The upper surface of the TPA module 20 is also provided with a guide inner buckle structure 25, which is provided with an inlet rounded corner and an outlet chamfer. The guide inner buckle structure 25 is snapped and fixed to the mating connector 40.

[0062] Understandably, in this embodiment, the Housing module 10 is inserted into the receiving cavity of the mating connector 40 to ensure that the wire harness 30 and the conductor pin 41 can be precisely aligned and plugged in. The mating connector 40 and the Housing module 10 cooperate with each other by the inlet rounded corner and the outlet chamfer to generate male and female inlet and pull-out forces, so that the connector product does not come out during use.

[0063] In one embodiment of the present invention, a reinforcing step 26 is provided on one side of the TPA module 20, and the reinforcing step 26 is inserted into the receiving cavity.

[0064] Please refer to Figure 8 In one embodiment of the present invention, the connector further includes a mating connector 40, the mating connector 40 having a receiving cavity and a conductor pin 41 disposed in the receiving cavity, the housing module 10 being inserted into the receiving cavity, and the wire harness 30 being connected to the conductor pin 41.

[0065] The second surface of the Housing module 10 is provided with an elastic inner buckle structure 27. The elastic inner buckle structure 27 includes an elastic arm 271, a snap-fit ​​member 272, and a press button 273. The fixed end of the elastic arm 271 is connected to the Housing module 10, and the free end of the elastic arm 271 is provided with a press button 273. The snap-fit ​​member 272 is disposed between the fixed end and the free end of the elastic arm 271, and the snap-fit ​​member 272 is snapped and fixed to the mating connector 40.

[0066] Understandably, in this embodiment, the design of the elastic snap-fit ​​structure 27 makes the overall structure of the connector more compact. The snap-fit ​​fixing of the snap-fit ​​member 272 to the mating connector 40 makes the installation process simpler. The design of the elastic arm 271 allows the snap-fit ​​member 272 to smoothly disengage from the mating connector 40 when the press button 273 is pressed, while when not pressed, the snap-fit ​​member 272 can be firmly snapped onto the mating connector 40, providing sufficient fixing force. The operator only needs to insert the Housing module 10 into the receiving cavity of the mating connector 40, and the snap-fit ​​member 272 on the elastic arm 271 will automatically snap onto the mating connector 40 to complete the installation; during disassembly, simply press the press button 273, and the elastic arm 271 will drive the snap-fit ​​member 272 to disengage from the mating connector 40, allowing the Housing module 10 to be easily pulled out. The disassembly process is quick and convenient.

[0067] Please refer to Figure 9 In one embodiment of the present invention, the bottom surface of the mating connector 40 is provided with a DIP connector 42.

[0068] Understandably, in this embodiment, the DIP connector 42 is inserted into the corresponding through holes on the printed circuit board (PCB) through its pins, and a stable electrical connection is achieved through soldering or other methods, ensuring that the connector has high mechanical stability on the circuit board and can withstand a certain degree of vibration, impact and external force pulling, and is not easy to loosen or fall off.

[0069] Please refer to Figure 10 In one embodiment of the present invention, SMT board connectors 43 are provided on both sides of the mating connector 40.

[0070] Understandably, in this embodiment, the SMT board connector 43 is suitable for surface mount circuit boards, supports installation by automated mounting equipment, and can quickly and accurately mount the connector on the circuit board, improving production efficiency, simplifying the design and manufacturing process of the circuit board, and reducing the number of through holes on the printed circuit board (PCB).

[0071] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A connector integrating a TPA and a housing, characterized in that, Includes a one-piece Housing module and a TPA module; One end of the Housing module is connected to several wires through a wire hole; a stop groove is provided on the first surface of the Housing module, and the stop groove is connected to the wire hole. The TPA module is rotatably mounted on the first surface of the Housing module via a rotating structure; the lower surface of the TPA module also has a stop portion, which is connected to the Housing module via a point-break structure, and the stop portion is located above the stop groove. The point-break structure is configured to break after being subjected to a predetermined downward pressure, and the stop part rotates and presses down into the stop groove. The stop part is used to stop the terminals of the wire harness.

2. The connector integrating TPA and Housing as described in claim 1, characterized in that, The TPA module has a protruding male fastening part on the inner side of the stop part; The Housing module has a recessed female fastening part on one side of the stop groove. The top of the female fastening part has an inlet angle. When the stop part of the TPA module is pressed down, the male fastening part and the female fastening part are engaged and fixed so that the TPA module is kept in the engaged state. The other groove surface of the stop groove is set as a guide slope. When the TPA module is in its original open state, the stop part is connected to the top of the guide slope through the point break structure.

3. The connector integrating TPA and Housing as described in claim 2, characterized in that, The point break structure includes two connecting nodes, the thickness of which is less than that of the TPA module, and the connecting nodes are respectively located at both ends of the stop portion of the TPA module.

4. The connector integrating TPA and Housing as described in claim 2, characterized in that, The point break structure is a connecting strip, the thickness of which is less than that of the TPA module, and the connecting strip has several break points arranged along a straight line; The connecting strip is provided at the middle position of the bottom of the stop part, or the connecting strip is provided at the bottom of the entire stop part.

5. The connector integrating TPA and Housing as described in claim 1, characterized in that, The rotating structure is a transition section with gradually decreasing thickness. The end of the transition section is connected to the Housing module, and the end of the transition section is used to form a rotating shaft.

6. The connector integrating TPA and Housing as described in any one of claims 1-5, characterized in that, It also includes a mating connector, which has a receiving cavity and a conductor pin disposed in the receiving cavity. The housing module is inserted into the receiving cavity, and the wire harness is connected to the conductor pin. The upper surface of the TPA module is also provided with a guide snap-fit ​​structure, which has an inlet rounded corner and an outlet chamfer. The guide snap-fit ​​structure is snapped and fixed to the mating connector.

7. The connector integrating TPA and Housing as described in claim 6, characterized in that, The TPA module has a reinforcing step on one side, which is inserted into the receiving cavity.

8. The connector integrating TPA and Housing as described in any one of claims 1-5, characterized in that, It also includes a mating connector, which has a receiving cavity and a conductor pin disposed in the receiving cavity. The housing module is inserted into the receiving cavity, and the wire harness is connected to the conductor pin. The second surface of the Housing module is provided with an elastic inner buckle structure, which includes an elastic arm, a snap-fit ​​component, and a press button. The fixed end of the elastic arm is connected to the Housing module, and the free end of the elastic arm is provided with a press button. The snap-fit ​​component is disposed between the fixed end and the free end of the elastic arm and is snapped and fixed to the mating connector.

9. The connector integrating TPA and Housing as described in claim 8, characterized in that, The bottom surface of the mating connector is provided with a DIP straight-insert connector.

10. The connector integrating TPA and Housing as described in claim 8, characterized in that, SMT board connectors are provided on both sides of the mating connector.

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