CN211126142U - Bent pin crimping connector - Google Patents

Abstract

The utility model relates to a hook crimping connector, include: the terminal seat is provided with a plurality of mounting grooves; the conductive terminals with the fisheye structures are detachably mounted in the correspondingly arranged mounting grooves; each conductive terminal comprises an inserting part and a connecting part which is connected with the inserting part and forms a set included angle, the inserting part and the connecting part are integrally formed, and the fisheye structure is arranged at one end, far away from the connecting part, of the inserting part and used for being inserted into a jack on a corresponding PCB. The bent pin press-fit connector can be inserted into the jack on the corresponding PCB and connected with the PCB in a physical interference mode, stable electrical connection is achieved, a welding process is not needed, in addition, the conductive terminal which is integrally formed is adopted, the original bending process after assembly is omitted, the process can be simplified, and the product quality can be ensured.

Description

Bent pin crimping connector

Technical Field

The present invention relates to connectors, and more particularly, to a crimping connector.

Background

As shown in fig. 1, the related art bent-pin press-fit connector includes a terminal block 10, a terminal 20, and a fixing piece 30; during installation, the terminal 20 is installed into the terminal base 10 through the assembling jig, then the terminal 20 is bent through the bending jig, the pin bending process is achieved, and finally the plastic fixing piece is pressed into the tail portion of the welding pin to guarantee the alignment degree of the bent pin, so that the product can be smoothly bent.

The prior product has the following limitations in practical use:

a. by using the welding process, when the PCB is too thick, tin cannot completely fill holes of the PCB in the welding process, and the cold joint risk exists;

b. the straight terminal is adopted, the product needs to be assembled twice and bent twice, and the production efficiency is low;

c. the terminal adopts the bending technology to realize 90-degree steering, and the bending angle and the normal position degree of the bent terminal have randomness due to the process limitation, so that the quality hidden danger exists.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a modified hook crimping connector.

The utility model provides a technical scheme that its technical problem adopted is: constructing a crimping connector comprising:

the terminal seat is provided with a plurality of mounting grooves;

the conductive terminals with the fisheye structures are detachably mounted in the correspondingly arranged mounting grooves; each conductive terminal comprises an inserting part and a connecting part which is connected with the inserting part and forms a set included angle, the inserting part and the connecting part are integrally formed, and the fisheye structure is arranged at one end, far away from the connecting part, of the inserting part and used for being inserted into a jack on a corresponding PCB.

Preferably, the fisheye structure comprises a pointed top part, a first connecting arm and a second connecting arm, wherein the first connecting arm and the second connecting arm are arranged on two sides of the pointed top part and are respectively connected with the inserting part; the first connecting arm and the second connecting arm are arranged at intervals to form a retractable through hole in an enclosing mode.

Preferably, the first connecting arm and the second connecting arm are arc-shaped.

Preferably, the set included angle is 90 degrees.

Preferably, the terminal block includes a base body, the plurality of mounting grooves are arranged side by side on the base body, and an opening of each mounting groove extends from a side wall of the base body to a bottom wall of the base body.

Preferably, the connecting portion includes a needle-point-shaped insertion section inserted into the terminal block, and a connecting section connected to the insertion portion and the insertion section;

the radial dimension of the connecting section is greater than the radial dimension of the plug section.

Preferably, the two opposite side walls of the mounting groove are provided with notches matched and fixed with the connecting section.

Preferably, the conductive terminals include a first conductive terminal and a second conductive terminal;

the lengths of the plug parts of the first conductive terminals are respectively greater than the lengths of the plug parts of the second conductive terminals;

and/or the lengths of the connecting parts of the first conductive terminals are respectively greater than the lengths of the connecting parts of the second conductive terminals.

Preferably, the bent-pin crimp connector further comprises a material belt for connecting a plurality of conductive terminals, wherein the conductive terminals can be cut off;

the material area with fisheye structural connection, and integrated into one piece.

Preferably, the terminal block includes a plastic block.

Implement the utility model discloses a bent foot crimping connector has following beneficial effect: the plug-in part and the connecting part of the conductive terminal are connected to form the conductive terminal which is provided with an included angle, is integrally formed and has a fisheye structure, and can be inserted into the jack on the corresponding PCB to be connected with the PCB in a physical interference mode, so that stable electrical connection is realized, a welding process is not required to be reused, in addition, the integrally formed conductive terminal is adopted, the original bending process after assembly is omitted, and the process can be simplified and the product quality can be ensured.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a flow chart illustrating the assembly of a prior art crimping connector;

fig. 2 is a schematic perspective view of a crimping connector according to some embodiments of the present invention;

fig. 3 is a flow chart of the assembly of the angle crimping connector of fig. 2;

fig. 4 is a side view of the crimping connector of fig. 2;

fig. 5 is a cross-sectional view of the crimping connector of fig. 2;

fig. 6 is a schematic view of the first conductive terminal of the corner crimp connector of fig. 2;

fig. 7 is a schematic diagram of a second conductive terminal of the corner crimp connector of fig. 2;

fig. 8 is a schematic view of the conductive terminals of the bent-pin press-fit connector shown in fig. 2 being mated with a PCB.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 2-3 illustrate some preferred embodiments of the inventive crimping connector. The bent-pin crimp connector can be used for signal transmission. The bent pin crimping connector is connected with the PCB 2 in a physical interference mode, stable electrical connection is achieved, a welding process is not needed, in addition, the original bending process after assembly can be omitted during installation, and therefore the process can be simplified and the product quality can be guaranteed.

As shown in fig. 2 to 4, the bent-pin press-fit connector 1 may include a terminal block 10 and a conductive terminal 20. The terminal base 10 can be used for mounting the conductive terminal 20. The conductive terminal 20 can be plugged with the PCB board 2 to realize signal transmission.

Further, in some embodiments, the terminal base 10 may be a plastic base. It is understood that, in other embodiments, the terminal base 10 may not be limited to a plastic base. The terminal base 10 may include a base body 11, and the base body 11 is a plastic body, and the cross section thereof may be square. A plurality of mounting grooves 111 can be arranged on the terminal base 10; the mounting grooves 111 can be disposed on the housing 11 side by side, and the opening of each mounting groove 111 can extend from the sidewall of the housing 11 to the bottom wall of the housing 11, so that the conductive terminal 20 can penetrate through the sidewall of the housing 11 and penetrate out from the bottom wall. In some embodiments, the mounting slot 111 is provided with a notch 1111; the two notches 1111 may be disposed on two opposite sidewalls of the mounting groove 111, so as to be mounted in cooperation with the conductive terminal 20.

As shown in fig. 4 to 8, further, in some embodiments, the conductive terminals 20 may be multiple ones, which may be disposed in one-to-one correspondence with the mounting grooves 111, and which are detachably mounted in the corresponding mounting grooves 111. Each conductive terminal 20 may include a mating portion 21, a connecting portion 22, and a fish-eye structure 23. The insertion part 21 can be extended out from the opening on the bottom surface of the mounting groove 111, and can be connected to the PCB 2. The connecting portion 22 is connected to the inserting portion 21, and can be inserted into the seat 11 from the side opening of the mounting groove 111 of the seat 11 to connect with the seat 11. The fisheye structure 23 is disposed at an end of the inserting portion 21 away from the connecting portion 22, and can be inserted into the corresponding insertion hole 201 of the PCB 2 when in use.

Further, in some embodiments, the insertion portion 21 and the connection portion 22 are integrally formed, and form a set included angle. Specifically, in some embodiments, the inserting portion 21 and the connecting portion 22 may be integrally formed by die casting, and a set included angle is formed by direct stamping, and the set included angle may be 90 degrees. It is understood that in other embodiments, the set angle between the insertion part 21 and the connection part 22 may not be limited to 90 degrees. Through adopting grafting portion 21 and this connecting portion 22 integrated into one piece and having the conductive terminal 20 at 90 degrees angles, can save the bending process, the equipment of being convenient for to can effectively guarantee 90 degrees and normal position degree, ensure product quality.

Further, in some embodiments, the connection portion 22 may include a plug section 221 and a connection section 222; the plug section 221 is insertable into the terminal block 10, in particular, into the seat 11. The plug section 221 may be needle-point shaped. The connecting section 222 can be connected to the plug section 21 and the plug section 221, and its size can be larger than the radial size of the plug section 221. The insertion section 221 and the insertion portion 21 are both provided with a stop surface matched with the notch 111, and the stop surfaces may be two oppositely arranged outer surfaces of the insertion section 221 and the insertion portion 21, which are arranged corresponding to the notch 111. When the conductive terminal 20 is pressed in, the notch 111 and the stop face can well control the positive position degree of the terminal in the X and Y directions, so that the conductive terminal 20 is ensured to be pressed and interfered with the jack of the PCB 2, and stable electrical connection is realized.

Further, in some embodiments, the fisheye structure 23 may include a pointed tip 231, a first connecting arm 232, and a second connecting arm 233; the pointed top 231 may have a size smaller than that of the insertion hole 201 of the PCB board 2, and may have a wedge shape or a triangular shape, which can be disposed through the insertion hole 201. The first connecting arm 232 and the second connecting arm 233 are respectively disposed on two sides of the pointed top 231 and respectively connected to the inserting portion 21. The first connecting arm 232 and the second connecting arm 233 are both arc-shaped, and the first connecting arm 232 and the second connecting arm 233 are spaced apart from each other and form a retractable through hole 234. The through hole 234 may be oval. When the fisheye structure 23 is inserted into the insertion hole 201 of the PCB 2, the pointed top 231 firstly penetrates through the insertion hole 201, the first connecting arm 232 and the second connecting arm 233 are gradually close to each other under the extrusion of the side wall of the insertion hole 201, and the through hole 234 is contracted, so that the fisheye structure 23 is stably connected with the PCB 2, a welding process is not needed, and the assembly efficiency can be improved.

As shown in fig. 5 to 7, further, in some embodiments, the number of the conductive terminals 20 may be two, and it is understood that in other embodiments, the number of the conductive terminals 20 may also be one or more. In some embodiments, the conductive terminals 20 may include a first conductive terminal 20a and a second conductive terminal 20 b; the length of the mating portion 21 of the first conductive terminal 20a is greater than the length of the mating portion 21 of the second conductive terminal 20b, and the length of the connecting portion 22 of the first conductive terminal 20a is greater than the length of the connecting portion 22 of the second conductive terminal 20 b. Of course, it is understood that in other embodiments, the length of the mating portion 21 of the first conductive terminal 20a is not limited to the length of the mating portion 21 of the second conductive terminal 20b, and the length of the connecting portion 22 of the first conductive terminal 20a is not limited to be greater than the length of the connecting portion 22 of the second conductive terminal 20 b. The number of the first conductive terminals 20a may be plural, and the number of the second conductive terminals 20b may also be plural.

Further, in some embodiments, the crimping connector may further include a material strip 24, the material strip 24 may be used for connecting a plurality of conductive terminals 20, the material strip 24 may be in a shape of a long sheet, the material strip 24 may be connected with the fisheye structure 23 of the plurality of conductive terminals 20, and it may be integrally formed, and the material strip 24 may be cut. Specifically, the strip of material 24 may be cut or crushed or removed after the conductive terminals 20 are pre-pressed. After the strip of material 24 is cut, the conductive terminals 20 may be pressed further into place. In some embodiments, the fisheye structures 23 of the plurality of conductive terminals 20 may be disposed side by side on the sidewalls of the tape 24 and may be integrally formed by die casting. In some embodiments, the connection between the strip of material 24 and the fish-eye structure 23 may be formed by punching to provide a predetermined cut-off position to facilitate cutting of the strip of material 24.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A crimping connector, comprising:

a terminal base (10) provided with a plurality of mounting grooves (111);

the conductive terminals (20) of the hairtail eye structures (23) are detachably mounted in the correspondingly arranged mounting grooves (111); each conductive terminal (20) comprises an inserting part (21) and a connecting part (22) which is connected with the inserting part (21) and forms a set included angle, the inserting part (21) and the connecting part (22) are integrally formed, and the fisheye structure (23) is arranged at one end, far away from the connecting part (22), of the inserting part (21) and used for being inserted into a jack (201) on the corresponding PCB (2).

2. The crimping connector according to claim 1, wherein the fisheye structure (23) comprises a pointed top (231), a first connecting arm (232) and a second connecting arm (233) arranged on both sides of the pointed top (231) and respectively connected to the mating part (21); the first connecting arm (232) and the second connecting arm (233) are arranged at intervals to form a retractable through hole (234) in an enclosing mode.

3. The crimping connector according to claim 2, wherein the first connecting arm (232) and the second connecting arm (233) are arcuate.

4. The angle crimping connector of claim 1, wherein the set included angle is a 90 degree angle.

5. The crimping connector according to claim 1, wherein the terminal block (10) comprises a block body (11), the plurality of mounting grooves (111) are arranged side by side on the block body (11), and the opening of each mounting groove (111) extends from the side wall of the block body (11) to the bottom wall of the block body (11).

6. The angle crimping connector according to claim 1, characterized in that the connection section (22) comprises a pin-point-shaped plug section (221) which is inserted into the terminal block (10), and a connection section (222) which is connected to the plug section (21) and the plug section (221);

the radial dimension of the connecting section (222) is greater than the radial dimension of the plug section (221).

7. The crimping connector according to claim 6, characterized in that two opposite side walls of the mounting groove (111) are provided with notches (1111) for cooperating with the connecting section (222).

8. The angle compression connector of claim 1, wherein the conductive terminals (20) include a first conductive terminal (20a) and a second conductive terminal (20 b);

the lengths of the plug parts (21) of the first conductive terminals (20a) are respectively greater than the lengths of the plug parts (21) of the second conductive terminals (20 b);

and/or the lengths of the connecting parts (22) of the first conductive terminals (20a) are respectively greater than the lengths of the connecting parts (22) of the second conductive terminals (20 b).

9. The angle crimping connector of claim 1, further comprising a strip of material (24) to which a plurality of said conductive terminals (20) are severable;

the material belt (24) is connected with the fisheye structure (23) and is integrally formed.

10. The angle crimping connector of claim 1, wherein the terminal block (10) comprises a plastic block.

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