CN219833110U

CN219833110U - Connector shell structure

Info

Publication number: CN219833110U
Application number: CN202320536470.4U
Authority: CN
Inventors: 吕镇源
Original assignee: Dong Guan Lianda Precision Product Co ltd
Current assignee: Dong Guan Lianda Precision Product Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-10-13
Anticipated expiration: 2033-03-17

Abstract

The utility model provides a connector shell structure which is suitable for pin header, and comprises a plurality of integrally formed plastic shells, wherein the plastic shells are equidistantly distributed in a first direction, and a connecting block is arranged between the two plastic shells; the top surface of the connecting block is provided with a first groove body which is sunken downwards according to a first preset depth and is used for cutting and positioning; the bottom surface of connecting block is provided with the second cell body of undercut according to the second depth of predetermineeing, and first cell body and second cell body are located same axis, are provided with the connecting portion that is used for connecting two adjacent plastic casings between first cell body and the second cell body, cut connecting portion in order to separate two adjacent plastic casings, borrow the height of connecting portion in order to reduce the blank deckle edge with the reduction through first cell body and second cell body. The connector shell structure is more convenient to align and better in cutting effect when the plastic shell is cut and separated.

Description

Connector shell structure

Technical Field

The present disclosure relates to connectors, and particularly to a housing structure of a connector.

Background

The connector comprises a male end and a female end, is a universal connecting device widely applied to electronics, electric appliances and instruments, and mainly plays a role in current or signal transmission and plays a role in current or signal transmission. The pin header and the bus header belong to connectors, and are matched with each other for use in general, so that board-to-board connection is formed. The pin header can also be matched with an electronic wire harness terminal for use to form plate-to-wire connection; but also independently for board-to-board connection. The pin header and the header each include a housing, typically a plastic housing, and a terminal assembly within the housing.

In the prior art, the pin-arranging plastic shell can be molded through injection molding, and in the injection molding process, a plurality of pin-arranging terminals are molded through injection molding at one time for convenience in production and cost saving, and then cut after the pin-arranging terminals are assembled in the plastic shell so as to form a single pin-arranging connector. When the plastic shell is cut, burrs can occur frequently, some burrs exceed the plastic plane, the burrs easily cause uneven appearance of a finished product when welding a plate, and the burrs generated by the product during insertion of a male parent can also cause the product to be unable to be completely matched, so that the use is affected. In addition, when the existing pin-arranging plastic shell is cut, the situation that the pin-arranging plastic shell is bent and deformed due to the fact that a cutter touches the protruding pin-arranging plastic shell is inaccurate in alignment, reshaping is needed, and certain inconvenience is brought to subsequent production.

Therefore, it is necessary to provide a connector housing structure that is convenient for alignment and cutting and has a good cutting effect.

Disclosure of Invention

The utility model aims to provide a connector shell structure which is convenient for alignment and cutting and has good cutting effect.

In order to achieve the above-mentioned purpose, the present utility model provides a connector housing structure, which is suitable for pin header, and comprises a plurality of integrally formed plastic housings, wherein the plastic housings are equidistantly arranged in a first direction, and a connecting block is arranged between the two plastic housings; the top surface of the connecting block is provided with a first groove body which is sunken downwards according to a first preset depth and is used for cutting and positioning; the bottom surface of connecting block is provided with the second cell body of undercut according to the second depth of predetermineeing, and first cell body and second cell body are located same axis, are provided with the connecting portion that is used for connecting two adjacent plastic casings between first cell body and the second cell body, cut connecting portion in order to separate two adjacent plastic casings, borrow the height of connecting portion in order to reduce the blank deckle edge with the reduction through first cell body and second cell body.

Preferably, the second groove body is of a concave structure with plastic walls on four sides, so that a containing groove is formed at the bottom of the cut plastic shell, and the containing groove is used for containing blanking burrs.

Preferably, the depth of the first groove body is between 0.25 mm and 0.35 mm.

Preferably, the first groove body penetrates through the connecting block in the second direction, and the width of the first groove body in the first direction is between 0.2 mm and 0.3 mm.

Preferably, the depth of the second groove body is between 0.25 mm and 0.35 mm.

Preferably, the connecting block is further provided with two third groove bodies in the horizontal direction, and the two third groove bodies are symmetrically arranged on two sides of the connecting block.

Preferably, the third groove body is in a gradual change structure from outside to inside, wherein the gradual change structure is gradually narrowed from outside to inside.

Preferably, a plurality of mounting holes for mounting the pin headers are formed in each plastic shell, and the plurality of mounting holes are uniformly distributed on the plastic shells in two rows at equal intervals.

Preferably, one end of the mounting hole is provided with a guide part, so that the pin header is conveniently mounted in the plastic shell by the guide part.

Preferably, the two sides of each plastic shell are also convexly provided with convex parts, the convex parts are positioned on the two sides of the plurality of pin headers, an inward concave groove is formed between the two convex parts, and the groove is used for accommodating soldering tin and burrs.

Compared with the prior art, the connector shell structure is suitable for pin header, and comprises a plurality of plastic shells formed integrally, wherein the plastic shells are distributed at equal intervals in the first direction, namely, the plastic shells are distributed on a straight line. The plastic shells can be integrally formed through injection molding, then a plurality of pin headers can be installed in the plastic shells at one time, and then the plastic shells are cut and separated to form a single complete pin header connector. A connecting block is arranged between the two plastic shells and is used for connecting the two adjacent plastic shells, and the connecting block and a plurality of plastics can be integrally formed in the injection molding equipment. The top surface of connecting block is provided with the first cell body of undercut according to first preset degree of depth, and first cell body can be used for cutting the location to can separate the plastic casing more accurate, in order to avoid cutter touching row needle and make row needle bending deformation when cutting, be provided with first cell body, it is better to cut the location effect. On the other hand, a second groove body which is concave upwards is arranged on the bottom surface of the connecting block according to a second preset depth. The first groove body and the second groove body are positioned on the same axis, namely the positions of the first groove body and the second groove body in the vertical direction are approximately the same, so that the cutting depth can be reduced and the cutting burrs can be reduced during cutting. And a connecting part for connecting the two adjacent plastic shells is arranged between the first groove body and the second groove body, and the connecting part is used for connecting the plurality of plastic shells together. The connecting part is cut to separate the two adjacent plastic shells, and the height of the connecting part is reduced by the first groove body and the second groove body so as to reduce the trimming burrs. Simultaneously, still the symmetry is provided with two third cell bodies in the both sides of connecting block, and first cell body and second cell body are used for reducing and cut the height, and the third cell body is used for reducing and cuts the length to better reduction blank deckle edge. After cutting, the bottom of the single plastic shell is also provided with a containing groove which can be used for containing burrs after cutting, so that the pin header can be better abutted with the pin header. The connector shell structure is characterized in that the connector shell structure comprises a plurality of plastic shells, wherein the plastic shells are arranged in the plastic shell, and the connector shell structure comprises a plurality of plastic shells.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a structural diagram of a connector housing structure and pin header according to an embodiment of the present utility model.

Fig. 2 is a view of the structure of fig. 1 at another angle.

Fig. 3 is a cross-sectional view of fig. 1.

Fig. 4 is a structural view of the connector housing structure of fig. 1.

Fig. 5 is a view of the structure of fig. 4 at another angle.

Fig. 6 is a cross-sectional view of fig. 4.

Fig. 7 is a block diagram of the cut-to-single pin header connector of fig. 1.

Fig. 8 is a structural view of the plastic housing of fig. 7.

Reference numerals illustrate:

100. a connector housing structure; 101. a pin header connector;

10. a plastic housing; 11. a convex portion; 12. a groove; 13. a mounting hole; 102. a receiving groove;

20. a connecting block; 21. a first tank body; 22. a second tank body; 23. a third tank; 24. a connection part;

30. a pin header assembly.

Detailed Description

In order to describe the technical content and constructional features of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

Referring to fig. 1-6, the present utility model provides a connector housing structure 100 suitable for pin header, which can be used to mount pin header assembly 30 to form pin header connector 101. The connector housing structure 100 includes a plurality of plastic housings 10 formed integrally, wherein the plurality of plastic housings 10 are arranged at equal intervals in a first direction, and the first direction is a direction in a horizontal direction, i.e. the plurality of plastic housings 10 are arranged on a straight line. A connecting block 20 is arranged between the two plastic shells 10, and the connecting block 20 is used for connecting the two adjacent plastic shells 10 and is integrally formed with the plastic shells 10. Wherein, the top surface of connecting block 20 is provided with the first cell body 21 of undercut according to first default degree of depth, and first cell body 21 can be used for fixing a position when cutting, simultaneously, first cell body 21 can also reduce the cutting degree of depth. On the other hand, a second groove 22 recessed upward is provided at a second preset depth on the bottom surface of the connection block 20, and the first groove 21 and the second groove 22 are located on the same axis, i.e., the positions of the first groove 21 and the second groove 22 in the vertical direction are substantially the same. The first preset depth and the second preset depth may be the same. Specifically, a connection portion 24 for connecting two adjacent plastic cases 10 is provided between the first and second groove bodies 21 and 22, and the connection portion 24 is cut to separate the two adjacent plastic cases 10. The height of the connecting portion 24 is reduced by the first and second grooves 21 and 22 to reduce the trimming burrs. The first groove body 21 and the second groove body 22 are used for reducing the cutting height so as to better reduce the trimming burrs.

Referring to fig. 7 and 8, in some alternative embodiments, the second groove 22 has a concave structure with plastic walls on four sides, the second groove 22 is different from the first groove 21, and the first groove 21 penetrates the connection block 20 in the second direction. The first direction and the second direction are both on the horizontal plane, and the second direction is perpendicular to the first direction. The first direction is the length direction of the connector housing structure 100, and the second direction is the width direction of the connector housing structure 100. The second groove 22 has an concave structure, so that a receiving groove 102 is formed at the bottom of the cut plastic housing 10, and the receiving groove 102 is used for receiving the trimming burrs. It can be appreciated that when the connector housing structure 100 is cut from top to bottom, the first groove 21 is provided, so that positioning is facilitated, and deformation of the pin header assembly 30 caused by the cutter touching the pin header assembly 30 during cutting can be avoided. The first groove 21 and the second groove 22 are provided at the same time, so that the height of the connecting portion 24, that is, the cutting height when the cutter separates the plastic housing 10, can be reduced, and the burr can be reduced, so that the cut pin header connector 101 can be better matched with the female header connector.

As shown in fig. 7 and 8, the connecting portion 24 of the connecting block 20 is cut from top to bottom, and the connecting portion 24 becomes smaller, so that burrs and burrs can be reduced or no burrs and burrs can be generated. After cutting, the second groove 22 forms a receiving groove 102 at the bottom of the plastic housing 10, and the generated burrs and burrs can be hidden in the receiving groove 102, so that the surface is smoother, and the matching use of the pin header connector 101 and the female header connector is not affected.

Referring to fig. 3 and 6, in some alternative embodiments, the overall height of the connection block 20 is approximately 1 mm, the depth of the first slot 21 is between 0.25 mm and 0.35 mm, the position of the second slot 22 in the vertical direction is approximately the same as that of the first slot 21, and the depth of the second slot 22 is between 0.25 mm and 0.35 mm. The depth of the first groove 21 and the second groove 22 may be the same. On the other hand, the first groove 21 penetrates the connection block 20 in the second direction, and molding is more convenient. The width of the first groove body 21 in the first direction is between 0.2 mm and 0.3 mm, and the width of the first groove body 21 is moderate, so that the positioning and the cutting are facilitated. The cutter can cut and separate two adjacent plastic shells 10 on the connector shell structure 100 along the first groove body 21.

Referring to fig. 4 to 6, in some alternative embodiments, the connecting block 20 is further provided with two third slots 23 in the horizontal direction, and the two third slots 23 are symmetrically disposed on two sides of the connecting block 20. The third groove 23 has a gradually changing structure from outside to inside. The third groove body 23 is arranged, so that the cutting length can be reduced, and the trimming burrs can be reduced better. It will be appreciated that the first and second slots 21, 22 serve to reduce the cutting height, and the third slot 23 serves to reduce the cutting length, thereby making the cut portion of the entire connecting block 20 smaller, so as to minimize burrs and burrs caused during cutting.

Referring to fig. 1 to 3, in some alternative embodiments, each plastic housing 10 is provided with a plurality of mounting holes 13 for mounting pins, and the plurality of mounting holes 13 are uniformly and equidistantly distributed on the plastic housing 10 in two rows to form a double-row pin connector 101 in cooperation with the pin header assembly 30. One end of the mounting hole 13 is provided with a guiding portion, so that the pin header is mounted in the plastic housing 10. On the other hand, protruding parts 11 are also arranged on two sides of each plastic shell 10 in a protruding mode, the protruding parts 11 are positioned on two sides of the plurality of pin headers, an inward concave groove 12 is formed between the two protruding parts 11, and the groove 12 is used for containing soldering tin and burrs. Solder attachment may be required when pin header connector 101 is connected to a PCB board, header or other electronic component, and recess 12 can be used to accommodate solder and flash.

As shown in fig. 1 to 8, the connector housing structure 100 of the present utility model is suitable for pin header, and includes a plurality of plastic housings 10 integrally formed, wherein the plurality of plastic housings 10 are equidistantly arranged in a first direction, i.e. the plurality of plastic housings 10 are arranged in a straight line. The plastic housings 10 may be integrally molded by injection molding, and then a plurality of pins may be installed in the plastic housings 10 at a time, and then the plastic housings 10 may be cut and separated to form a single complete pin connector 101. A connecting block 20 is arranged between the two plastic shells 10, and the connecting block 20 is used for connecting the two adjacent plastic shells 10 and can be integrally formed with a plurality of plastics in injection molding equipment. Wherein, the top surface of connecting block 20 is provided with the first cell body 21 of undercut according to first preset degree of depth, and first cell body 21 can be used for cutting the location to can separate plastic casing 10 more accurate, in order to avoid cutter touching row needle and make row needle bending deformation when cutting, be provided with first cell body 21, it is better to cut the location effect. On the other hand, a second groove 22 recessed upward is provided at a second preset depth on the bottom surface of the connection block 20. The first groove body 21 and the second groove body 22 are positioned on the same axis, that is, the positions of the first groove body 21 and the second groove body 22 in the vertical direction are approximately the same, so that the cutting depth can be reduced and the cutting burrs can be reduced during cutting. A connection portion 24 for connecting two adjacent plastic housings 10 is provided between the first and second grooves 21 and 22, and the connection portion 24 is used for connecting a plurality of plastic housings 10 together. The connecting portion 24 is cut to separate two adjacent plastic shells 10, and the height of the connecting portion 24 is reduced by the first groove 21 and the second groove 22, so as to reduce the trimming burrs. Meanwhile, two third groove bodies 23 are symmetrically arranged on two sides of the connecting block 20, the first groove body 21 and the second groove body 22 are used for reducing cutting height, and the third groove bodies 23 are used for reducing cutting length so as to better reduce cutting burrs. After cutting, a containing groove 102 is further formed in the bottom of the single plastic shell 10, and the containing groove 102 can be used for containing burrs after cutting, so that the pin header can be better abutted with the pin header. The pin header assembly 30 is assembled in the integrated plastic housings 10 and then cut apart to form individual pin header connectors 101. The connector housing structure 100 of the present utility model has more convenient alignment and better cutting effect when cutting the plastic housing 10.

The foregoing disclosure is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. The connector shell structure is suitable for pin header and is characterized by comprising a plurality of integrally formed plastic shells, wherein the plastic shells are equidistantly distributed in a first direction, and a connecting block is arranged between the two plastic shells; the top surface of the connecting block is provided with a first groove body which is sunken downwards according to a first preset depth, and the first groove body is used for cutting and positioning; the bottom surface of connecting block is provided with the second cell body of undercut according to the second depth of predetermineeing, first cell body with the second cell body is located same axis, first cell body with be provided with between the second cell body be used for connecting two adjacent plastic casing's connecting portion cuts connecting portion is with two adjacent plastic casing of separation, borrow first cell body with the second cell body is with the reduction the height of connecting portion to reduce the blank deckle edge.

2. The connector housing structure according to claim 1, wherein the second groove body has a concave structure with plastic walls on four sides, so as to form a receiving groove at the bottom of the cut plastic housing, and the receiving groove is used for receiving the trimming burrs.

3. The connector housing structure of claim 1, wherein the first slot has a depth of between 0.25 mm and 0.35 mm.

4. The connector housing structure of claim 1, wherein the first slot extends through the connection block in the second direction, the first slot having a width in the first direction of between 0.2 millimeters and 0.3 millimeters.

5. The connector housing structure of claim 1, wherein the depth of the second slot is between 0.25 mm and 0.35 mm.

6. The connector housing structure according to claim 1, wherein the connecting block is further provided with two third grooves in a horizontal direction, and the two third grooves are symmetrically disposed on two sides of the connecting block.

7. The connector housing structure of claim 6, wherein the third groove body has a gradual change from outside to inside.

8. The connector housing structure of claim 1, wherein each plastic housing is provided with a plurality of mounting holes for mounting pins, and the plurality of mounting holes are uniformly and equidistantly distributed on the plastic housing in two rows.

9. The connector housing structure according to claim 8, wherein one end of the mounting hole is provided with a guide portion by which the pin header is mounted in the plastic housing.

10. The connector housing structure according to claim 1, wherein each of both sides of the plastic housing is further provided with protruding portions protruding from both sides thereof, the protruding portions being located on both sides of the plurality of pins, and an inwardly recessed groove is formed between both protruding portions, the groove being for accommodating solder and burrs.