Press-in terminal capable of reducing terminal contact impedance

Abstract

The utility model discloses a press-in terminal capable of reducing terminal contact impedance, which relates to the technical field of press-in terminals and comprises a terminal integral mounting plate, and a first terminal fixing cabin and a second terminal fixing cabin are respectively arranged on two sides of the front surface of the terminal integral mounting plate. And the first terminal fixing cabin and the second terminal fixing cabin are symmetrically distributed in the two sides of the front surface of the terminal integral mounting disc. A connecting terminal is directly inserted into a terminal press-in groove, at the moment, a buffer extrusion connecting spring is contracted into a contraction groove due to the extrusion effect, when the connecting terminal passes through a buckle groove, a buckle connecting end will be automatically buckled into the buckle groove, the buffer extrusion connecting spring will automatically abut against the buckle, and the self-locking effect is achieved; the connection stability of the connection terminal is improved, and the number of the contact ends is increased through the connection of the plurality of buckle connection ends and the terminal overall installation disc, so that the effect of reducing the contact impedance of the terminal is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of press-in terminals, in particular to a press-in terminal capable of reducing terminal contact impedance. Background Art

[0002] At present, with the increasing development of the field of new energy vehicles, various automobile manufacturers have launched their own new energy vehicle products, including pure electric vehicles and hybrid vehicles. Then, with the gradual improvement of technology, electricity has tended to replace traditional fuels as the power source of automobiles. The power harness is an important part of the automobile power transmission system, and the power harness connector has also become an important connecting component of the power harness. The automobile power harness connector is used to realize electrical connection or signal transmission. Its working principle is that the combination of the socket sheath (made of plastic) and the socket terminal (female terminal) (made of metal) and the plug sheath (made of plastic) and the plug terminal (male terminal) (made of metal) are plugged together to realize the connection of the circuit. The main components for realizing the circuit connection are the plug terminal (male terminal) and the socket terminal (female terminal). After the traditional male and female terminals are matched, the contact part of the male and female terminals is the surface around the male terminal, and not all surfaces are in contact, which leads to a large contact impedance (R1) and is more prone to heat. Utility Model Content

[0003] The utility model aims to provide a press-in terminal which can reduce the terminal contact impedance.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a press-in terminal that can reduce the contact impedance of the terminal, comprising an integral terminal mounting plate, a first terminal fixing cabin and a second terminal fixing cabin are respectively provided on both sides of the front side of the integral terminal mounting plate, the first terminal fixing cabin and the second terminal fixing cabin are symmetrically distributed inside the two sides of the front side of the integral terminal mounting plate, a top line connecting groove is provided at the top of the interior of the first terminal fixing cabin, a terminal pressing groove is provided on one side surface of the first terminal fixing cabin, a snap groove is provided on one side inner wall of the terminal pressing groove, a connecting terminal is detachably installed inside the terminal pressing groove, a working indicator light is fixedly installed in the first terminal fixing cabin near the top of the connecting terminal, and a bottom line integral connecting hole is provided on the inner bottom end surface of the first terminal fixing cabin.

[0005] Preferably, the first terminal fixing compartment and the second terminal fixing compartment have the same internal structure, a top circuit connecting groove is provided at the top of the second terminal fixing compartment, and a bottom circuit integral connecting hole is provided at the bottom surface of the second terminal fixing compartment.

[0006] Preferably, the connection relationship between the working indicator light and the connecting terminal is an electrical connection.

[0007] Preferably, the connecting terminal includes a terminal limiting cap, one side of the terminal limiting cap is fixedly connected to a terminal plug-in rod, one side surface of the terminal plug-in rod is provided with a shrinkage groove, the inner bottom end of the shrinkage groove is fixedly connected to a buffer extrusion connecting spring, and the top end of one side of the buffer extrusion connecting spring is fixedly connected to a snap connection end.

[0008] Preferably, the snap grooves are distributed circumferentially on the inner wall of the terminal press-in groove, the shrinkage grooves are distributed circumferentially on the surface of the terminal plug-in rod, the positions of the snap connection ends and the snap grooves correspond one to one, and the connection relationship between the snap connection ends and the snap grooves is an active snap connection.

[0009] Preferably, a disk body fixing groove is provided on the middle surface of the front side of the terminal integral mounting disk, a fixing disk is fixedly connected to the top end of one side of the back side of the terminal integral mounting disk, a fixing connection groove is provided on the surface of the fixing disk, the disk body fixing groove is located between the first terminal fixing compartment and the second terminal fixing compartment, and the fixing disk is located at the four corners of the back side of the terminal integral mounting disk.

[0010] Compared with the related art, the press-in terminal provided by the utility model that can reduce the terminal contact impedance has the following beneficial effects:

[0011] 1. The utility model provides a press-in terminal that can reduce the contact impedance of the terminal. By setting the connecting terminal to be directly inserted into the terminal press-in groove, the buffer extrusion connecting spring is squeezed and shrinks to the inside of the shrinkage groove. When passing through the buckle groove, the buckle connecting end will automatically buckle into the inside of the buckle groove. The buffer extrusion connecting spring will automatically resist the buckle to achieve a self-locking effect, improve the stability of the connection of the connecting terminal, and at the same time, the connection of multiple buckle connecting ends and the terminal integral mounting plate increases the number of contact ends, thereby achieving the effect of reducing the contact impedance of the terminal.

[0012] 2. The utility model provides a press-in terminal that can reduce the contact impedance of the terminal. By setting a working indicator light, the stability of the connection of the connecting terminal can be visually observed. Once the working indicator light is not on, the connecting terminal can be disassembled in time, and the maintenance and replacement can be carried out in time. At the same time, the working indicator light can provide convenience for the staff to inspect the fault. The bottom line integral connecting hole is used to effectively integrate the line entering the first terminal fixing compartment to avoid entanglement, resulting in direct contact between the lines and the potential safety hazard of short circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2This is a schematic diagram of the structure of the split front view of the connection terminal and the terminal press-in groove of the utility model;

[0015] Figure 3 This is a schematic diagram of the connecting terminal structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the terminal integral mounting plate fixing mechanism of the utility model.

[0017] Numbers in the figure: 1. Terminal integral mounting plate; 2. First terminal fixing compartment; 3. Second terminal fixing compartment; 4. Top line connecting groove; 5. Terminal press-in groove; 6. Snap-on groove; 7. Connecting terminal; 8. Working indicator light; 9. Bottom line integral connecting hole; 10. Plate fixing groove; 11. Fixed plate; 12. Fixed connecting groove; 71. Terminal limiting cap; 72. Terminal plug-in rod; 73. Shrinkage groove; 74. Buffer extrusion connecting spring; 75. Snap-on connecting end. DETAILED DESCRIPTION

[0018] Embodiment 1:

[0019] See also Figure 1-4 The utility model provides a technical solution: a press-in terminal capable of reducing the contact impedance of a terminal, comprising an integral terminal mounting plate 1, a first terminal fixing compartment 2 and a second terminal fixing compartment 3 are respectively provided on both sides of the front of the integral terminal mounting plate 1, the first terminal fixing compartment 2 and the second terminal fixing compartment 3 are symmetrically distributed inside the two sides of the front of the integral terminal mounting plate 1, a top line connecting groove 4 is provided at the top of the interior of the first terminal fixing compartment 2, a terminal pressing groove 5 is provided on one side surface of the first terminal fixing compartment 2, a buckle groove 6 is provided on one side inner wall of the terminal pressing groove 5, a connecting terminal 7 is detachably installed inside the terminal pressing groove 5, a working indicator light 8 is fixedly installed on the first terminal fixing compartment 2 near the top of the connecting terminal 7, a bottom line integral connecting hole 9 is provided on the inner bottom surface of the first terminal fixing compartment 2, the first terminal fixing compartment 2 and the second terminal fixing compartment 3 has the same internal structure, a top line connecting groove 4 is provided at the top of the second terminal fixing compartment 3, a bottom line integral connecting hole 9 is provided on the bottom surface of the second terminal fixing compartment 3, the connection relationship between the working indicator light 8 and the connecting terminal 7 is an electrical connection, the connecting terminal 7 includes a terminal limiting cap 71, a terminal plug rod 72 is fixedly connected to one side of the terminal limiting cap 71, a shrinkage groove 73 is provided on one side surface of the terminal plug rod 72, a buffer extrusion connecting spring 74 is fixedly connected to the inner bottom end of the shrinkage groove 73, a buckle connecting end 75 is fixedly connected to the top of one side of the buffer extrusion connecting spring 74, the buckle grooves 6 are circumferentially distributed on the inner wall of the terminal pressing groove 5, the shrinkage grooves 73 are circumferentially distributed on the surface of the terminal plug rod 72, the positions of the buckle connecting end 75 and the buckle groove 6 correspond one to one, and the connection relationship between the buckle connecting end 75 and the buckle groove 6 is an active snap connection.

[0020] In the implementation scheme, the connecting terminal 7 is directly inserted into the terminal pressing groove 5. At this time, the buffer extrusion connecting spring 74 is squeezed and shrinks to the inside of the shrinkage groove 73. When passing through the snap groove 6, the snap connection end 75 will automatically snap into the inside of the snap groove 6. At this time, the buffer extrusion connecting spring 74 will automatically resist the snap and achieve a self-locking effect, thereby improving the connection stability of the connecting terminal 7. At the same time, the connection between multiple snap connection ends 75 and the terminal integral mounting disk 1 increases the number of contact ends, thereby achieving the effect of reducing the terminal contact impedance.

[0021] Embodiment 2:

[0022] See also Figure 1-4 The utility model provides a technical solution: a press-in terminal that can reduce the contact impedance of the terminal, including a terminal integral mounting disk 1 with a disk body fixing groove 10 on the middle surface of the front side, a fixing disk 11 fixedly connected to the top of one side of the back side of the terminal integral mounting disk 1, a fixing connection groove 12 on the surface of the fixing disk 11, the disk body fixing groove 10 is located between the first terminal fixing compartment 2 and the second terminal fixing compartment 3, and the fixing disk 11 is located at the four corners of the back side of the terminal integral mounting disk 1.

[0023] In the implementation scheme, by setting the working indicator light 8, the stability of the connection of the connecting terminal 7 can be visually observed. Once the working indicator light 8 is not on, the connecting terminal 7 can be promptly disassembled and repaired and replaced. At the same time, the working indicator light 8 can provide convenience for the staff to inspect the fault, and the bottom line integral connecting hole 9 is used to effectively integrate the line entering the first terminal fixing cabin 2 to avoid entanglement, direct contact between the lines, and the potential safety hazard of short circuit.

[0024] Working principle:

[0025] By setting the connection terminal 7 to be directly inserted into the terminal pressing groove 5, the buffer extrusion connection spring 74 is squeezed and shrinks into the shrinking groove 73. When passing through the buckle groove 6, the buckle connection end 75 will automatically buckle into the buckle groove 6. The buffer extrusion connection spring 74 will automatically buckle against the buckle to achieve a self-locking effect, thereby improving the connection stability of the connection terminal 7. At the same time, the connection of multiple buckle connection ends 75 and the terminal integral mounting plate 1 increases the number of contact ends, thereby achieving the effect of reducing the terminal contact impedance.

[0026] By setting the working indicator light 8, the connection stability of the connecting terminal 7 can be visually observed. Once the working indicator light 8 is not on, the connecting terminal 7 can be removed in time, and the repair and replacement can be carried out in time. At the same time, the working indicator light 8 can provide convenience for the staff to inspect the fault. The bottom line integral connecting hole 9 is used to effectively integrate the lines entering the first terminal fixing compartment 2 to avoid entanglement, resulting in direct contact between the lines and the potential safety hazard of short circuit.

[0027] The first terminal fixing compartment 2 and the second terminal fixing compartment 3 have the same internal structure and can be installed with multiple connection terminals 7 at the same time. The disk fixing groove 10 is convenient for fixing the terminal integral mounting disk 1 in the middle. At the same time, fixing disks 11 are arranged at the four corners on the back of the terminal integral mounting disk 1 to further stabilize the fixation of the terminal integral mounting disk 1.

Claims

1. A press-in terminal capable of reducing terminal contact impedance, comprising a terminal integral mounting plate (1), wherein a first terminal fixing compartment (2) and a second terminal fixing compartment (3) are respectively provided on both sides of the front side of the terminal integral mounting plate (1), Features: The first terminal fixing compartment (2) and the second terminal fixing compartment (3) are symmetrically distributed inside the front sides of the terminal integral mounting plate (1); a top line connecting groove (4) is provided at the top of the interior of the first terminal fixing compartment (2); a terminal pressing groove (5) is provided on one side surface of the first terminal fixing compartment (2); a buckle groove (6) is provided on one side inner wall of the terminal pressing groove (5); a connecting terminal (7) is detachably installed inside the terminal pressing groove (5); a working indicator light (8) is fixedly installed in the first terminal fixing compartment (2) near the top of the connecting terminal (7); and a bottom line integral connecting hole (9) is provided on the bottom end surface of the interior of the first terminal fixing compartment (2).

2. A press-in terminal capable of reducing terminal contact impedance according to claim 1, It is characterized in that The first terminal fixing compartment (2) and the second terminal fixing compartment (3) have the same internal structure; a top line connecting groove (4) is provided at the top of the second terminal fixing compartment (3); and a bottom line integral connecting hole (9) is provided at the bottom surface of the second terminal fixing compartment (3).

3. A press-in terminal capable of reducing terminal contact impedance according to claim 1, It is characterized in that The connection relationship between the working indicator light (8) and the connecting terminal (7) is an electrical connection.

4. A press-in terminal capable of reducing terminal contact impedance according to claim 1, It is characterized in that The connecting terminal (7) comprises a terminal limiting cap (71), one side of the terminal limiting cap (71) is fixedly connected to a terminal plug rod (72), one side surface of the terminal plug rod (72) is provided with a contraction groove (73), the inner bottom end of the contraction groove (73) is fixedly connected to a buffer extrusion connection spring (74), and the top end of one side of the buffer extrusion connection spring (74) is fixedly connected to a buckle connection end (75).

5. A press-in terminal capable of reducing terminal contact impedance according to claim 4, It is characterized in that The snap grooves (6) are distributed circumferentially on the inner wall of the terminal pressing groove (5), the shrinkage grooves (73) are distributed circumferentially on the surface of the terminal plug-in rod (72), the snap connection ends (75) and the snap grooves (6) have one-to-one correspondence in position, and the connection relationship between the snap connection ends (75) and the snap grooves (6) is a movable snap connection.

6. A press-in terminal capable of reducing terminal contact impedance according to claim 1, It is characterized in that A plate body fixing groove (10) is provided on the front middle surface of the terminal integral mounting plate (1). A fixing plate (11) is fixedly connected to the top end of one side of the back side, and a fixing connection groove (12) is provided on the surface of the fixing plate (11). The disk body fixing groove (10) is located between the first terminal fixing compartment (2) and the second terminal fixing compartment (3). The fixing plate (11) is located at the four corners of the back side of the terminal integral mounting plate (1).

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