CN219677618U - Electric connector - Google Patents

Abstract

The utility model provides an electric connector, which comprises a fixed shell, a fixed upper cover, terminals, a fixed piece, a positioning locking plate and a circuit board, wherein the fixed upper cover is arranged on the fixed shell; the mounting is fixed in fixed shell inboard, a plurality of terminals are fixed in proper order at the mounting middle part, the circuit board is installed in fixed shell and with terminal electric connection, fixed shell is equipped with first fixed draw-in groove and second fixed draw-in groove, the mounting is equipped with first buckle and second buckle, first buckle front end is equipped with first jack catch, first jack catch and the place ahead joint of first fixed draw-in groove, second buckle front end is equipped with the second jack catch, the location locking plate is equipped with the terminal jack, reference column and location buckle, the terminal passes the terminal jack, the reference column inserts and establishes in the inside top at first buckle that corresponds of mounting, the location buckle rear end is equipped with the third jack catch, third jack catch and second jack catch interengage. The beneficial effects are as follows: the positioning locking plate and the fixing piece are stably fixed together, the fixing piece cannot loosen and fall off, and the service stability and the service life of the electric connector are improved.

Description

Electric connector

Technical Field

The present utility model relates to the field of connectors, and in particular, to an electrical connector.

Background

The electric connector is mainly applied to electric connection and signal transmission among devices, assemblies and systems, and is a necessary basic element for forming a complete system. The electrical connector in the related art includes a fixed end electrical connector and a free end electrical connector. The jack is arranged in the fixed end electric connector, the terminal matched with the jack is arranged in the free end electric connector, the fixed end electric connector is fixed on an electric appliance, and when a user uses the electric appliance, the free end electric connector is inserted into the fixed end electric connector. However, in the use process of the free-end electrical connector, the terminal is pulled out and plugged several times, so that the free-end electrical connector cannot work and even is damaged due to the fact that the terminal is pulled out, and therefore, an electrical connector is needed to solve the problems.

Disclosure of Invention

The present utility model is directed to an electrical connector for solving the problems mentioned in the background art.

In order to achieve the above object, the present utility model provides the following technical solutions:

an electric connector comprises a fixed shell, a fixed upper cover, terminals, a fixing piece, a positioning locking plate and a circuit board; the fixed upper cover is fixed above the fixed shell, the fixed part is fixed inside the fixed shell, the terminal is provided with a plurality of terminals, the plurality of terminals are fixed in the middle of the fixed part in sequence, the circuit board is installed in the fixed shell and electrically connected with the terminals, the fixed shell is provided with a first fixed clamping groove and a second fixed clamping groove, the fixed part is provided with a first clamping buckle and a second clamping buckle, the first clamping buckle position corresponds to the upper side of the first fixed clamping groove, the front end of the first clamping buckle is provided with a first clamping claw, the first clamping claw is engaged with the front side of the first fixed clamping groove, the second clamping buckle position corresponds to the upper side of the second fixed clamping groove, the front end of the second clamping buckle is provided with a second clamping claw, the positioning locking plate is fixed in the front of the fixed part, the positioning locking plate is provided with a terminal jack, a positioning column and a positioning buckle, the terminal penetrates through the terminal jack, the positioning column is inserted into the fixed part and corresponds to the upper side of the first clamping buckle, the positioning buckle position corresponds to the rear of the positioning locking plate, the positioning buckle is provided with a third clamping claw, and the third clamping claw is engaged with the second clamping claw.

Further description of the utility model: the terminal is L-shaped, and the front end of terminal passes in front of the mounting, and mounting and circuit board are passed in the rear side upper end of terminal, and the rear end tip of terminal is equipped with the clearance hole, and the clearance hole corresponds the top of circuit board.

Further description of the utility model: the fixed shell is also provided with an insertion port and a positioning lug, the position of the insertion port corresponds to the front end of the fixed shell, and the position of the positioning lug corresponds to the upper part inside the insertion port.

The beneficial effects of the utility model are as follows: the mounting inserts fixed shell, first jack catch receives fixed shell's pressure and makes first buckle produce plastic deformation, when first jack catch withheld first fixed draw-in groove, first buckle plastic deformation disappearance makes first buckle reset, second jack catch receives fixed shell's pressure and makes second buckle produce plastic deformation, when the second jack catch moves to second fixed draw-in groove front end, second buckle plastic deformation disappearance makes second buckle reset, the location locking plate inserts from inserting port department, spacing post inserts in the space of first buckle makes first buckle can keep former shape, spacing post makes the mounting can be together with fixed shell stable fixation, make the mounting can not become flexible from top to bottom, simultaneously, the third jack catch receives the pressure of second jack catch to make the location buckle produce plastic deformation, when the third jack catch moves to second jack catch rear end, third jack catch and second jack catch lock each other, make location locking plate and mounting stable fixed together, make the mounting can not become flexible and drop, increase electric connector's stability in use and life.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

fig. 2 is a cross-sectional view of the present utility model (circuit board not shown);

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a partial cross-sectional view of the present utility model;

FIG. 5 is a cross-sectional view of the present utility model (the stationary housing and stationary upper cover are not shown);

fig. 6 is a partial cross-sectional view of the stationary housing.

Reference numerals illustrate:

1. a fixed housing; 11. an insertion port; 12. positioning the protruding blocks; 14. a first fixing slot; 15. a second fixing slot; 2. fixing an upper cover; 3. a terminal; 31. a clearance hole; 4. a fixing member; 41. a first buckle; 411. a first claw; 42. a second buckle; 421. a second claw; 5. positioning a locking plate; 51. a limit column; 52. positioning buckle; 53. and a third jaw.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 6, an electrical connector includes a fixed housing 1, a fixed upper cover 2, terminals 3, a fixing member 4, a positioning lock piece 5, and a circuit board; the fixed upper cover 2 is fixed above the fixed shell 1, the fixed part 4 is fixed inside the fixed shell 1, the terminal 3 is provided with a plurality of, a plurality of terminals 3 are fixed in the middle of the fixed part 4 in sequence, the circuit board is installed in the fixed shell 1 and electrically connected with the terminals 3, the fixed shell 1 is provided with a first fixing clamping groove 14 and a second fixing clamping groove 15, the fixed part 4 is provided with a first clamping buckle 41 and a second clamping buckle 42, the position of the first clamping buckle 41 corresponds to the position above the first fixing clamping groove 14, the front end of the first clamping buckle 41 is provided with a first clamping claw 411, the first clamping claw 411 is engaged with the front of the first fixing clamping groove 14, the position of the second clamping buckle 42 corresponds to the position above the second fixing clamping groove 15, the front end of the second clamping buckle 42 is provided with a second clamping claw 421, the positioning locking plate 5 is fixed in the front of the fixed part 4, the positioning locking plate 5 is provided with a terminal 3 jack, a positioning post and a positioning buckle 52, the terminal 3 penetrates through the terminal 3 jack, the positioning post is inserted inside the fixed part 4 and corresponds to the position above the first clamping buckle 41, the positioning buckle 52 corresponds to the positioning buckle 52, the position of the positioning buckle 52 is engaged with the third clamping claw 53 and the third clamping claw 53 is engaged with the third clamping claw 53. In the process of inserting the fixing piece 4 into the fixing shell 1, a gap is formed between the periphery of the first clamping jaw 41 and the fixing piece 4, the first clamping jaw 411 is subjected to pressure of the fixing shell 1 to enable the first clamping jaw 41 to generate plastic deformation, when the fixing piece 4 is continuously inserted, the first clamping jaw 411 moves to the front end of the first fixing clamping groove 14, the plastic deformation of the clamping jaw disappears, the clamping jaw resets, the first clamping jaw 41 rebounds to the original shape, the first clamping jaw 411 is buckled into the first fixing clamping groove 14, then the first clamping jaw 41 can be kept in the original shape through the fact that the limiting post 51 is inserted into the gap, the limiting post 51 enables the fixing piece 4 to be stably fixed with the fixing shell 1, and the fixing piece 4 cannot be loosened up and down. Meanwhile, the second clamping buckle 42 is also subjected to plastic deformation by the pressure of the fixed shell 1, when the second clamping claw 421 moves to the front end of the second fixed clamping groove 15, the second clamping buckle 42 is reset, the third clamping claw 53 is subjected to the pressure of the second clamping claw 421 to enable the positioning clamping buckle 52 to generate plastic deformation, when the third clamping claw 53 moves to the rear end of the second clamping claw 421, the third clamping claw 53 and the second clamping claw 421 are buckled with each other, so that the positioning locking plate 5 and the fixing piece 4 are stably fixed together, and the fixing piece 4 cannot loosen and fall off.

The terminal 3 is L-shaped terminal 3, and the front end of terminal 3 passes in front of mounting 4, and mounting 4 and circuit board are passed to the rear side upper end of terminal 3, and the rear end tip of terminal 3 is equipped with clearance hole 31, and clearance hole 31 corresponds the top of circuit board. The terminal 3 is set to L type more convenient circuit board and terminal 3 crimping, when the circuit board is pressed down from terminal 3 rear side upper end, the terminal 3 material outside the circuit board extrusion clearance hole 31 makes the terminal 3 material of both sides shrink to clearance hole 31, when terminal 3 rear side upper end wears to establish the circuit board and clearance hole 31 corresponds in the circuit board top, the circuit board disappears to the extrusion force of clearance hole 31 outside terminal 3 material, clearance hole 31 outside terminal 3 material resumes the original state, the terminal 3 material outside the clearance hole 31 catches the circuit board, prevent the circuit board pine takes off.

The fixed shell 1 is also provided with an insertion port 11 and a positioning lug 12, the position of the insertion port 11 corresponds to the front end of the fixed shell 1, and the position of the positioning lug 12 corresponds to the upper part inside the insertion port 11. The positioning projection 12 can play a role in auxiliary positioning and prevent the positive and negative connection errors of the terminal 3 in the connection process.

The working principle of the embodiment is as follows: firstly, the fixing piece 4 is inserted into the fixing shell 1, a gap is formed in one side of the first clamping buckle 41, the first clamping buckle 41 is subjected to plastic deformation under the pressure of the fixing shell 1, when the fixing piece 4 is continuously inserted, the first clamping claw 411 moves to the first fixing clamping groove 14, the plastic deformation of the first clamping buckle 41 disappears, the first clamping buckle 41 is reset, the first clamping buckle 41 rebounds to the original shape, the first clamping claw 411 is buckled into the clamping buckle groove, then the positioning locking plate 5 is inserted from the insertion port 11, the first clamping buckle 41 can keep the original shape through the insertion of the limiting post 51 into the gap of the first clamping buckle 41, and the limiting post 51 enables the fixing piece 4 to be stably fixed with the fixing shell 1, so that the fixing piece 4 cannot be loosened up and down. Meanwhile, the second buckle 42 is also subjected to plastic deformation by the pressure of the fixed shell 1, when the second claw 421 moves to the second fixed clamping groove 15, the second buckle 42 is reset, then the positioning buckle 52 is subjected to plastic deformation by the pressure of the second claw 421, when the third claw 53 moves to the rear end of the second claw 421, the third claw 53 and the second claw 421 are buckled with each other, so that the positioning locking plate 5 and the fixing piece 4 are stably fixed together, the fixing piece 4 is not easy to loosen to cause the loosening of the terminal 3, and the service stability and the service life of the electric connector are improved.

The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims (3)

1. An electrical connector, characterized in that: comprises a fixed shell, a fixed upper cover, a terminal, a fixing piece, a positioning locking plate and a circuit board; the fixed upper cover is fixed in fixed shell top, the mounting is fixed the fixed shell is inboard, the terminal is equipped with a plurality of, a plurality of the terminal is fixed in proper order the mounting middle part, the circuit board is installed in the fixed shell and with terminal electric connection, the fixed shell is equipped with first fixed draw-in groove and second fixed draw-in groove, the mounting is equipped with first buckle and second buckle, first buckle position corresponds first fixed draw-in groove top, first buckle front end is equipped with first jack catch, first jack catch with first fixed draw-in groove the place ahead is joined, second buckle position corresponds second fixed draw-in groove top, second buckle front end is equipped with the second jack catch, the location lock plate is fixed the place ahead of mounting, the location lock plate is equipped with terminal jack, reference column and location lock, the terminal is worn to establish the terminal jack, the reference column is inserted and is established the mounting is inside and corresponds first buckle top, first buckle position corresponds the back is equipped with the third jack catch with the back is joined with the second jack catch.

2. An electrical connector as in claim 1 wherein: the terminal is L-shaped, the front end of the terminal passes through the front of the fixing piece, the upper end of the rear side of the terminal passes through the fixing piece and the circuit board, the end part of the rear end of the terminal is provided with a clearance hole, and the clearance hole corresponds to the upper part of the circuit board.

3. An electrical connector as in claim 1 wherein: the fixed shell is also provided with an insertion port and a positioning lug, the position of the insertion port corresponds to the front end of the fixed shell, and the position of the positioning lug corresponds to the upper part inside the insertion port.