CN214625497U - Male end structure of board-to-board connector - Google Patents
Male end structure of board-to-board connector Download PDFInfo
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- CN214625497U CN214625497U CN202120337217.7U CN202120337217U CN214625497U CN 214625497 U CN214625497 U CN 214625497U CN 202120337217 U CN202120337217 U CN 202120337217U CN 214625497 U CN214625497 U CN 214625497U
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Abstract
The utility model discloses a board is to board connector public end structure, include through the fixed plastic body, a plurality of public seat terminal together of inlaying the shaping to and two protecting crust. The plastic body middle part is formed with the groove structure of pegging graft with female seat cooperation, including the terminal lateral wall of a pair of relative setting, and the casing lateral wall of a pair of relative setting, and public seat terminal sets up on the terminal lateral wall, and the protecting crust sets up on the casing lateral wall. The protective shell comprises a first coating part, the first coating part comprises a coating part, a welding part and a fixed connecting part, the coating part covers the top of the side wall of the shell, and the welding part is arranged on the outer side of the bottom wall of the groove structure and is exposed at the bottom; the fixed connecting part enables the welding part and the covering part to be connected into a whole and covers the inner wall surface of the groove structure. Compared with the prior art, the connecting strength of the protective shell and the plastic body can be greatly reinforced, the protective shell is effectively prevented from being broken due to overturning, and the stability and the service life of a product are improved.
Description
Technical Field
The utility model relates to a connector technical field especially relates to a board is to board connector public end structure.
Background
With the increasing development of market development technology, the existing board-to-board products gradually develop towards miniaturization, thinning and high performance. When miniaturation, the blind plugging protection requirement to public head and female seat in the use is higher and higher, carries out the armour protection to the both ends of public head and female seat promptly, avoids the plastic inserted when public head and female seat blind plugging are mutually joined in marriage to influence public head and female seat complex stability.
The prior art (chinese patent publication No. CN211404849U) discloses a male end structure of a board-to-board connector, which includes a plastic body, a metal terminal, and protective steel sheet assemblies covering the surfaces of two ends of the plastic body, wherein a groove structure is formed in the middle of the plastic body and is inserted into a female seat. The protection steel sheet subassembly is provided with the welding part that is used for welding the circuit board to realize electric switch-on including the first cladding portion of cladding on two relative outside surfaces of plastic body, the bottom of first cladding portion, and first cladding portion surface is provided with the contact stuck point that realizes electric switch-on with female seat contact shell fragment joint.
The disadvantages are as follows: when the end parts at two sides of the male end structure of the existing board-to-board connector are stressed in a staggered manner, the male end structure is easy to open and break, so that the function of a product is lost.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a board is to board connector public end structure, under the volume that does not change former board to board connector public end structure, improves the joint strength of protecting crust and plastic body, reduces public first tip dislocation atress protecting crust and takes place to turn over cracked risk.
In order to realize the purpose, the utility model discloses the technical scheme who takes is:
a board-to-board connector male end structure comprising: the plastic body, the male socket terminals and the protective shell are fixed together in an embedding and molding mode; wherein the content of the first and second substances,
a groove structure which is matched and spliced with the female seat is formed in the middle of the plastic body, and the plastic body comprises a pair of oppositely arranged terminal side walls and a pair of oppositely arranged shell side walls;
the male seat terminal is arranged on the side wall of the terminal;
the protective shell is arranged on the side wall of the shell; the protective shell comprises a first covering part, the first covering part comprises a covering part, a welding part and a fixed connecting part, the covering part covers the top of the side wall of the shell, and the welding part is arranged on the outer side of the bottom wall of the groove structure, exposed at the bottom and used for being electrically connected with the circuit board; the fixed connecting part enables the welding part and the covering part to be connected into a whole and covers the inner wall surface of the groove structure.
Preferably, the welding part is a flat plate structure which crosses the bottom of the groove structure and extends along the width direction of the groove structure, and one end of the fixed connecting part is connected to the middle position of the flat plate structure.
Preferably, at least one side of the soldering part extends beyond the outer edge of the terminal side wall and/or the housing side wall.
Preferably, the protective shell further comprises second covering parts, wherein the second covering parts are respectively arranged on two sides of the covering part and cover two opposite outer side faces of the side wall of the shell.
Preferably, a differential structure is arranged on at least one side edge of the second coating part, and the differential structure is used for enhancing the bonding strength of the protective shell and the plastic body.
Preferably, the second covering part is provided with an inner buckle bending structure which is inwards embedded into the plastic body
Preferably, the protective shell further includes a third covering portion, and the third covering portion is formed by bending and extending from the other side of the covering portion opposite to the side where the fixing connection portion is located, and covers the outer end face of the side wall of the housing.
Preferably, the third covering part is provided with an inner buckle bending structure which is embedded into the plastic body.
The beneficial effects of the utility model reside in that: the fixed connecting portion cladding of protecting crust passes groove structure's diapire in groove structure's inner wall surface, exposes the weld part setting in groove structure's diapire outside and in the bottom, under the prerequisite that does not change the board to the relative size of board connector public end structure, can greatly consolidate the joint strength of protecting crust and plastic body, effectively prevents that the protecting crust from taking place to open cracked phenomenon in the use, and then is favorable to improving the stability in use and the life of product.
Drawings
Fig. 1 is a schematic structural diagram of a male end structure of a board-to-board connector according to an embodiment of the present invention;
fig. 2 is a schematic view of an axial structure of a protective shell in a male end structure of a board-to-board connector according to an embodiment of the present invention;
fig. 3 is a schematic bottom view of a protective shell in a male end structure of a board-to-board connector according to an embodiment of the present invention;
fig. 4 is a left side view structural diagram of a protective shell in a male end structure of a board-to-board connector according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a partial top view of a male end of a board-to-board connector structure according to an embodiment of the present invention;
fig. 6 is a schematic view of a partial bottom view of a male end structure of a board-to-board connector according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a partial left-view structure of a male end structure of a board-to-board connector according to an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
The embodiment of the application solves the problem that the protective shell is easy to open and break to cause product function loss in the prior art by providing a male end structure of a board-to-board connector. In this document, the opening direction of the groove structure is taken as the top, and the opposite direction is taken as the bottom, the top surface is the surface of the top, and the bottom surface is the surface of the bottom; the side surface close to the groove structure is the inner side, and the side surface far away from the groove structure is the outer side.
As shown in fig. 1 to 7, the embodiment of the present application:
a male end structure of a board-to-board connector comprises a plastic body 100, a plurality of male socket terminals 200 and two protective shells 300. The plastic body 100, the male socket terminal 200 and the protective shell 300 are fixed together by means of insert-molding (insert-molding).
As shown in fig. 1, a groove structure 110 is formed in the middle of the plastic body 100 and is engaged with the female socket, and the plastic body 100 includes a pair of opposite terminal sidewalls 120 and a pair of opposite housing sidewalls 130. The middle position where the terminal side wall 120, the housing side wall 130 and the bottom of the plastic body 100 are combined together is the groove structure 110. The male socket terminal 200 is insert-molded on the terminal sidewall 120, and the two protection shells 300 are symmetrically insert-molded on the housing sidewall 130.
The protective shell 300 includes a first covering portion 310, and the first covering portion 310 includes a covering portion 311, a welding portion 313, and a fixing connection portion 312. The covering portion 311 covers the top of the housing sidewall 130, the covering portion 311 extends downward along the inner wall surface of the housing sidewall 130 to form a fixing connection portion 312, the fixing connection portion 312 penetrates through the bottom wall of the groove structure 110, a soldering portion 313 is formed outside the bottom wall of the groove structure 110 and at the exposed portion of the bottom, and the soldering portion 313 is used for electrically connecting with a circuit board (not shown).
In order to solve the problem that the protecting crust took place to open the fracture easily among the current problem and lead to the product function disappearance, the board in this application is to the public end structure of board connector, structure through to the protecting crust improves, the fixed connection portion of protecting crust is located the inboard of casing lateral wall promptly, pass groove structure's diapire and rather than fixed connection, with the welding part setting in groove structure's diapire outside and expose in the bottom, under the prerequisite that does not change the board to the public end structure relative size of board connector, can greatly consolidate the joint strength of protecting crust and plastic body, effectively prevent that the protecting crust from taking place to open cracked phenomenon in the use, and then be favorable to improving the stability in use and the life of product.
Preferably, as shown in fig. 3, the welding part 313 is a flat plate structure that spans the bottom of the groove structure 110 and extends in the width direction of the groove structure 110, and one end of the fixing connection part 312 is connected to an intermediate position of the flat plate structure. The welding part 313 is arranged to be of a flat plate structure, so that the effective welding area can be guaranteed, and the welding strength can be guaranteed to meet the requirement.
More specifically, as shown in fig. 7, the top of the welding portion 313 is embedded in the plastic body 100, and the bottom surface of the welding portion 100 is exposed at the bottom surface of the plastic body 100. On the basis that the guarantee can realize electrical connection with the circuit board, with the top embedding plastic body 100 of welding part 313, not only can increase protective housing 300 and plastic body 100's area of contact, improve fixed strength, be favorable to reducing the height of product moreover, and then can suitably reduce the size of product, be favorable to the production of miniaturized product.
Preferably, at least one side of the soldering part 313 extends beyond the outer edge of the terminal sidewall 120 and/or the housing sidewall 130. Specifically, when the welding portion 313 extends along the width direction of the groove structure 110, if the fixing connection portion 312 is bent toward the outer side of the plastic body 100 to form the welding portion 313, at least one side of the welding portion 313 extends beyond the outer edge of the housing sidewall 130 in the width direction of the groove structure 110; if the fixing connection portion 312 is bent toward the inner side of the plastic body 100, i.e., the direction of the groove structure 110 to form the welding portion 313, at least one side of the welding portion 313 extends beyond the outer edge of the terminal sidewall 120 in the width direction of the groove structure 110. When the welding portion 313 extends along the length direction of the groove structure 110, at least one side of the welding portion 313 extends beyond the outer edge of the case sidewall 130. When the soldering portion 313 extends along both the length direction and the width direction of the groove structure 110, one side edge of the soldering portion 313 extends beyond the outer edge of the case sidewall 130 in the length direction of the groove structure 110, or one side edge of the soldering portion 313 extends beyond the outer edge of the terminal sidewall 120 or the case sidewall 130 in the width direction of the groove structure 110. The part of welding part 313 extension surpass the outside edge of terminal lateral wall 120 or casing lateral wall 130, can clearly confirm the position of welding part, and the staff of being convenient for carries out welding operation, and meanwhile can also improve the area of can welding, reduces the operation degree of difficulty, is favorable to improving welding strength, and then is favorable to improving the stability of product.
As shown in fig. 6, the soldering portion 313 is formed by bending the fixing connection portion 312 toward the inner side of the plastic body 100, i.e., the direction of the groove structure 110, and extends along the width direction of the groove structure 110, and both sides of the soldering portion extend beyond the outer edge of the terminal sidewall 120 in the width direction of the groove structure 110.
Preferably, as shown in fig. 2 and 3, the protective shell 300 further includes second covering parts 320, and the second covering parts 320 are respectively disposed at two sides of the covering part 311 and cover two opposite outer side surfaces of the housing sidewall 130. The covering portion 311 covers both sides of the housing sidewall 130, and extends toward the bottom of the plastic body 100 to form a second covering portion 320.
More specifically, at least one side edge of the second covering part 320 is provided with a step structure 321, where the step structure 321 means that the side surface of the second covering part 320 is not a plane, and through the change of the protrusion and/or the recess of the side surface, the plastic body 100 is provided with a matching structure in close contact with the plastic body 100 at the corresponding position, so as to enhance the bonding strength between the protective shell 300 and the plastic body 100. In addition, set up disconnected poor structure 321, when the dislocation atress in the width direction of board to board connector public end structure, plastic body 100 can carry out spacing protection to protecting crust 300 to can avoid protecting crust 300 to be opened the fracture by the turn-over. As shown in fig. 4 and 7, the step structure 321 is provided on a side edge of the second coating portion 320 in the direction toward the outside of the housing case 130.
Preferably, the second wrapping portion 320 is provided with an inner buckle bending structure embedded into the plastic body 100, and the bottom edge and/or the side edge of the second wrapping portion 320 is provided with an inner buckle bending structure, so as to further enhance the connection strength between the protective shell 300 and the plastic body 100.
Preferably, as shown in fig. 3 and 4, the protective shell 300 further includes a third covering portion 330, and the third covering portion 330 is formed by bending and extending from the other side of the covering portion 311 opposite to the side where the fixing connection portion 312 is located, and covers the outer end surface of the housing side wall 130.
More specifically, the bottom and/or the side edge of the portion of the third covering portion 330 covering the outer end surface of the housing side wall 130 are/is provided with an inner buckling structure, so that the protective housing is prevented from being opened and broken under the action of an external force, and the connection strength between the protective housing 300 and the plastic body 100 can be further enhanced.
The insert molding process is a molding method in which a predetermined insert made of a different material is placed in a mold, and then resin is injected, and the molten material is bonded and solidified with the insert to form an integrated product.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A board-to-board connector male end structure, comprising: the plastic body, the male socket terminals and the protective shell are fixed together in an embedding and molding mode; wherein the content of the first and second substances,
a groove structure which is matched and spliced with the female seat is formed in the middle of the plastic body, and the plastic body comprises a pair of oppositely arranged terminal side walls and a pair of oppositely arranged shell side walls;
the male seat terminal is arranged on the side wall of the terminal;
the protective shell is arranged on the side wall of the shell; the protective shell comprises a first covering part, the first covering part comprises a covering part, a welding part and a fixed connecting part, the covering part covers the top of the side wall of the shell, and the welding part is arranged on the outer side of the bottom wall of the groove structure, exposed at the bottom and used for being electrically connected with the circuit board; the fixed connecting part enables the welding part and the covering part to be connected into a whole and covers the inner wall surface of the groove structure.
2. The board-to-board connector male end structure of claim 1, wherein: the welding part is a flat plate structure which stretches across the bottom of the groove structure and extends along the width direction of the groove structure, and one end of the fixed connecting part is connected to the middle position of the flat plate structure.
3. The board-to-board connector male end structure of claim 2, wherein: at least one side of the welding part extends beyond the outer edge of the terminal side wall and/or the shell side wall.
4. The board-to-board connector male end structure of claim 1, wherein: the protective shell further comprises second covering parts, wherein the second covering parts are arranged on two sides of the covering part respectively and cover two opposite outer side faces of the side wall of the shell.
5. The board-to-board connector male end structure of claim 4, wherein: and a differential structure is arranged on at least one side edge of the second coating part and is used for enhancing the bonding strength of the protective shell and the plastic body.
6. The board-to-board connector male end structure of claim 4, wherein: the second covering part is provided with an inner buckle bending structure which is inwards embedded into the plastic body.
7. The board-to-board connector male end structure of claim 1, wherein: the protective shell further comprises a third covering part, and the third covering part is formed by bending and extending the other side, opposite to the side where the fixed connecting part is located, of the covering part and covers the outer end face of the side wall of the shell.
8. The board-to-board connector male end structure of claim 7, wherein: the third coating part is provided with an inner buckle bending structure which is inwards embedded into the plastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337217.7U CN214625497U (en) | 2021-02-06 | 2021-02-06 | Male end structure of board-to-board connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337217.7U CN214625497U (en) | 2021-02-06 | 2021-02-06 | Male end structure of board-to-board connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214625497U true CN214625497U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120337217.7U Active CN214625497U (en) | 2021-02-06 | 2021-02-06 | Male end structure of board-to-board connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214625497U (en) |
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2021
- 2021-02-06 CN CN202120337217.7U patent/CN214625497U/en active Active
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