CN109950716B - Floating BTB connector - Google Patents
Floating BTB connector Download PDFInfo
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- CN109950716B CN109950716B CN201910339456.3A CN201910339456A CN109950716B CN 109950716 B CN109950716 B CN 109950716B CN 201910339456 A CN201910339456 A CN 201910339456A CN 109950716 B CN109950716 B CN 109950716B
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- male
- insulator
- seat
- male seat
- female
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- 238000007667 floating Methods 0.000 title claims abstract description 27
- 239000012212 insulator Substances 0.000 claims abstract description 87
- 238000005452 bending Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 6
- 230000013011 mating Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 14
- 230000037431 insertion Effects 0.000 abstract description 14
- 238000005476 soldering Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008054 signal transmission Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007488 abnormal function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Abstract
The invention relates to a floating BTB connector, which consists of a male seat part and a female seat part which are mutually inserted, wherein the male seat part comprises a male seat insulator, a male seat cover and a male seat terminal. The female portion includes a female portion insulator and a female portion terminal. The male seat terminal is a bending elastic piece and sequentially comprises a lower PCB welding part, a male seat insulator inserting part, an elastic bending part and a male seat insulator supporting part, and correspondingly, an inserting groove matched with the male seat insulator supporting part is formed in the male seat cover. The male seat cover is sleeved in the cavity of the male seat insulator and is not completely contacted with the male seat insulator, and is only supported by the supporting part of the male seat insulator. When the male seat is inserted relative to the female seat, the position of the male seat cover relative to the male seat insulator in the X direction and/or the Y direction can be finely adjusted by means of the elastic bending part, so that the male seat terminal has a correct insertion position relative to the female seat terminal.
Description
Technical Field
The invention relates to the technical field of BTB connector manufacturing, in particular to a floating BTB connector.
Background
BTB Connectors (BTBs) are the most transmissible connector products among all connector product types at present, and are mainly applied to industries such as power systems, communication networks, financial manufacturing, elevators, industrial automation, medical equipment, office equipment, home appliances, and military manufacturing. The BTB connector in the prior art comprises an injection molded male seat insulator, a male seat terminal and a male seat cover fixedly connected with the male seat insulator, wherein one end head end of the male seat terminal extends outwards to the outside of the male seat insulator and is used for being electrically connected with a circuit board, and the other end of the male seat terminal is buried in the inside of the male seat cover. In the actual operation process, the BTB connector inevitably shifts in position relative to the PCB, and in addition, there is also a shift in position between the PCB and the housing of the device, so that the male seat is very prone to shift in relative position relative to the female seat, and thus, during the plugging operation, the difficulty of the assembly operation is inevitably increased, and the assembly efficiency is reduced. Furthermore, the stability of signal conduction is likely to be affected after assembly is completed, so that abnormal functions of the product occur. Thus, a technician is required to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing a floating BTB connector which is simple in structural design, convenient to install and capable of automatically correcting a male seat terminal relative to a female seat terminal.
In order to solve the above technical problems, the present invention relates to a floating BTB connector, which is composed of a male seat and a female seat which are mutually inserted, wherein the male seat comprises a male seat insulator, a male seat cover and a male seat terminal. The male seat insulator is of a cavity structure, and a plurality of male seat clamping grooves are uniformly distributed on the front inner side wall and the rear inner side wall of the male seat insulator and are used for inserting the male seat terminals. The female portion includes a female portion insulator and a female portion terminal. A plurality of female seat clamping grooves are uniformly distributed on the female seat insulator. The female seat clamping grooves are used for inserting female seat terminals and correspond to the male seat terminals one by one. The male seat terminal is a bending elastic piece and sequentially comprises a lower PCB welding part, a male seat insulator inserting part, an elastic bending part and a male seat insulator supporting part, wherein the male seat insulator inserting part is matched with the male seat clamping groove, and correspondingly, an inserting part is arranged on the male seat cover and is matched with the male seat insulator supporting part. The male seat cover is sleeved in the cavity of the male seat insulator and is not in contact with the male seat insulator completely, and the male seat cover is supported only through the supporting part of the male seat insulator. When the male seat is inserted relative to the female seat, the position of the male seat cover relative to the male seat insulator in the X direction and/or the Y direction can be finely adjusted by means of the elastic bending part, so that the male seat terminal has a correct insertion position relative to the female seat terminal.
As a further improvement of the technical scheme, the female seat terminal is sequentially composed of an upper PCB welding part, a female seat insulator inserting part matched with the female seat clamping groove, an arc-shaped conducting bulge and a guiding oblique force. The guiding slope is formed by the inclined downward extension of the arc-shaped conducting protrusions and is tangent to the arc-shaped conducting protrusions.
As a further improvement of the technical scheme of the invention, limiting arms respectively extend downwards along the left end part and the right end part of the male seat cover, and the lower edge of the limiting arms must not pass through the bottom wall of the male seat insulator.
As a further improvement of the technical scheme, the unilateral gap between the male seat cover and the front side wall and the unilateral gap between the male seat cover and the rear side wall of the male seat insulator are not more than 0.45mm. The unilateral gap between the male cover and the left and right side walls of the male insulator is not more than 0.45mm.
As a further improvement of the technical scheme, the supporting part of the male seat insulator is U-shaped, and correspondingly, the inserting part is an opposite groove formed on the front side wall and the rear side wall of the male seat cover.
As a further improvement of the technical scheme, the cross section of the male seat clamping groove is T-shaped, and correspondingly, avoidance grooves are symmetrically formed on the side wall of the male seat insulator inserting part.
As a further improvement of the technical scheme, the invention further comprises a male seat soldering lug and a female seat soldering lug which are respectively inserted into the left end part and the right end part of the male seat insulator and the female seat insulator.
As a further improvement of the technical scheme, the male seat soldering lug is provided with an inward-extending limit flanging, and correspondingly, the left side wall and the right side wall of the male seat insulator are provided with limit grooves corresponding to the inward-extending limit flanging.
Compared with the rigid connection scheme of the traditional BTB connector, the technical scheme is adopted to enable the male seat part and the female seat part to be connected and separated quickly, and the operation is very convenient; more importantly, the male seat cover can carry out adaptive displacement adjustment until the female seat terminal has a correct assembly position relative to the male seat terminal, so that the damage of a matching piece caused by rigid assembly is avoided, and the signal transmission stability is further influenced. In addition, the influence of vibration, impact and the like on the connection reliability of the BTB connector can be eliminated to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic installation view of a floating BTB connector of the present invention.
Fig. 2 is a perspective view of a floating BTB connector of the present invention.
Fig. 3 is a perspective view of a male socket in the floating BTB connector of the present invention.
Fig. 4 is a top view of a male housing portion in a floating BTB connector of the present invention.
Fig. 5 is a cross-sectional view A-A of fig. 4.
Fig. 6 is a perspective view of a male socket (with a male socket cover omitted) in the floating BTB connector of the present invention.
Fig. 7 is a perspective view of a male socket insulator in a floating male socket of the present invention.
Fig. 8 is a perspective view of a male socket cover in a floating male socket of the present invention.
Fig. 9 is a perspective view of a male socket terminal in a floating male socket of the present invention.
Fig. 10 is a perspective view of a male socket lug in a floating male socket of the present invention.
Fig. 11 is a perspective view of a female portion of the floating BTB connector of the present invention.
Fig. 12 is a perspective view of a female socket insulator in a female socket of the present invention.
Fig. 13 is a perspective view of a female socket terminal in a female socket of the present invention.
Fig. 14 is a perspective view of another embodiment of a male socket insulator in a floating male socket of the present invention.
1-a male part; 11-a male base insulator; 111-a male seat clamping groove; 112-limit grooves; 12-a male seat cover; 121-an insertion part; 122-a limiting arm; 13-male terminals; 131-lower PCB board welds; 132—a male insulator plug-in portion; 1321-avoiding grooves; 133-elastic flexure; 134-male insulator support; 14-male socket soldering lug; 141-inward extending limit flanging; 15-limiting baffles; 2-a female part; 21-a female seat insulator; 211-a female seat clamping groove; 22-female terminals; 221-upper PCB board solder; 222-a female socket insulator plug-in portion; 223-arc-shaped conductive bump; 224-guiding ramp; 23-female socket soldering lug.
Detailed Description
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "left", "right", "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the following, the present invention will be described in further detail with reference to the specific embodiments, and fig. 1 shows an assembly schematic diagram of the floating BTB connector of the present invention, where it is known that, in the actual use process, the upper end surface of the BTB connector is connected to the upper PCB board, and the lower end surface is connected to the lower PCB board, so as to perform the function of power or signal conduction.
As can be seen from fig. 2, the floating BTB connector is composed of a male part 1 and a female part 2 which are mutually inserted, wherein the male part 1 is composed of several parts such as a male part insulator 11, a male part cover 12, and a male part terminal 13 (as shown in fig. 3). The male insulator 11 has a hollow structure as a whole, and a plurality of male clamping grooves 111 are uniformly distributed on the front and rear inner side walls thereof for inserting the male terminals 13 (as shown in fig. 6 and 7). The female portion 2 is mainly composed of a female portion insulator 21 and a female portion terminal 22. A plurality of female socket clamping grooves 211 are also uniformly distributed on the female socket insulator 21 for inserting the female socket terminals 22 (as shown in fig. 11 and 12).
In the actual working process, the specific positions of the female base terminals 22 and the male base terminals 13 are in one-to-one correspondence so as to realize good transmission of power and signals. To achieve this, the BTB connector may be provided as follows: the male socket terminal 13 is composed of a lower PCB board soldering portion 131, a male socket insulator insertion portion 132 adapted to the above-mentioned male socket card slot 111, an elastic bending portion 133, and a male socket insulator supporting portion 134 in this order (as shown in fig. 9), and accordingly, an insertion portion 121 adapted to the male socket insulator supporting portion 134 is opened on the male socket cover 12 (as shown in fig. 8). The male socket cover 12 is sleeved in the cavity of the male socket insulator 11, and is not in contact with the male socket insulator 11 completely, and is supported only by the male socket insulator support portion 134 (as shown in fig. 4 and 5). When the male part 1 is inserted relative to the female part 2, the position of the male part cover 12 relative to the male part insulator 11 can be finely adjusted in the X-direction and/or the Y-direction by means of the elastic bending part 133, so that the male part terminal 13 has a correct insertion position relative to the female part terminal 22. From the above, the male cover 12 can perform adaptive displacement adjustment according to practical situations (i.e., factors such as the insertion force and the insertion direction of the female terminal 22) until the female terminal 22 has a correct assembly position relative to the male terminal 13, so as to prevent damage to the mating member caused by rigid assembly and further influence the signal transmission stability.
In order to improve the reliability of the fixing between the male terminal 13 and the male cover 12, the male insulator supporting portion 134 may be formed in a U shape, and the insertion portion 121 may be formed as opposed grooves formed in the front and rear side walls of the male cover 12.
Similarly, in order to improve the reliability of fixing the male terminal 13 to the male insulator 11, the cross section of the male clamping groove 111 may be T-shaped, and accordingly, the side wall of the male insulator insertion portion 132 may be symmetrically provided with the recess 1321.
It should be emphasized here that by adopting the above technical solution, not only the correct assembly position between the male socket terminal 13 and the female socket terminal 22 is provided, but also the influence of vibration, impact and the like on the connection reliability of the BTB connector can be eliminated to a certain extent, and the stability of power supply or signal transmission is ensured.
As is apparent from the above description, when the operation of inserting the female part 2 into the male part 1 is performed, the male part terminal 13 is inevitably inclined in the right-left direction or the front-rear direction by the male part cover 12. In addition, in the BTB connector in the prior art, the female socket terminal 22 and the male socket terminal 13 are often abutted and contacted in a face-to-face manner, so that in the actual plugging process, the contact area of the female socket terminal 22 relative to the male socket terminal 13 is inevitably stepped, thereby affecting the stability of power supply and signal transmission, and in addition, affecting the service lives of the male socket terminal 13 and the female socket terminal 22. To solve this problem, as a further optimization of the floating BTB connector, the female terminal 22 may be designed as follows: which is composed of an upper PCB soldering portion 221, a female socket insulator insertion portion 222 adapted to the female socket card slot 211, and an arc-shaped conductive bump 223 in this order (as shown in fig. 13). In this way, in the actual working process, the arc-shaped conducting protrusion 223 directly abuts against the side wall of the male base terminal 13, and the arc-shaped conducting protrusion and the side wall are in a linear contact state, so that the influence of the state change of the male base terminal 13 on the transmission stability of power and signals is avoided. In order to achieve a better technical effect, in general, the unilateral gap between the male cover 12 and the front and rear side walls of the male insulator 11 is not more than 0.45mm. The single-side gap of the male cover 12 with respect to the left and right side walls of the male insulator 11 is not more than 0.45mm.
As a further optimization of the female socket terminal 22, a guiding slope 224 may be disposed at a lower portion of the arc-shaped conductive protrusion 223, and the guiding slope may be formed by extending the arc-shaped conductive protrusion 223 obliquely downward and be tangent to the arc-shaped conductive protrusion 223. In this way, the guiding slope 224 guides the female socket terminal 22 during the insertion process, so that the assembling process of the female socket terminal 22 is smoother, and the assembling efficiency of the female socket 2 and the male socket 1 is improved.
In the prior art, the female socket terminals 22 are all bending members, and in the manufacturing process, operations such as slicing and bending are required, and a rebound phenomenon occurs after bending, so that the molding quality is not easy to control. Therefore, in the technical scheme disclosed by the invention, due to the unique structural form, the female seat terminal 22 is formed in an integral cutting or stamping mode, so that the manufacturing process flow is greatly shortened, and the production cost is reduced; more importantly, the molding dimensional accuracy of the female terminal 22 is ensured.
Furthermore, the limiting arms 122 may extend downward along the left and right end portions of the male cover 12, and the lower edge thereof must not cross the bottom wall of the male insulator 11 (as shown in fig. 8), so as to avoid the damage of the male terminal 13 caused by the excessive insertion force of the female portion 2 (i.e. the elastic bending portion 133 of the male terminal 13 will generate excessive deformation when receiving excessive insertion force, and thus lose its elasticity). As a further optimization, limit baffles 15 may be further arranged at the left and right ends of the male seat insulator 11. During the actual assembly process, the limit stop 15 may serve as a positioning reference for the limit arm 122, so that the male socket cover 12 and the male socket terminal 13 have correct relative positions with respect to the male socket insulator 11.
Finally, in order to improve the fixing reliability of the male socket terminal 13 and the PCB board and prevent the occurrence of the off-welding phenomenon when being stressed, the male socket soldering lug 14 may be additionally arranged on the left and right side walls of the male socket insulator 11, and the lower end portion of the male socket soldering lug 14 may be welded to the PCB board. In order to further improve the connection firmness of the male socket soldering lug 14, the following can be further set: the male socket tab 14 is provided with an inward extending limit flange 141 (as shown in fig. 10), and correspondingly, limit grooves 112 (as shown in fig. 7) corresponding to the inward extending limit flanges 141 are formed on both left and right side walls of the male socket insulator 11. Of course, referring to the male socket tab 14, female socket tabs 23 may be added to the left and right side walls of the female socket insulator 21 (as shown in fig. 11).
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A floating BTB connector is composed of a male seat part and a female seat part which are mutually inserted, wherein the male seat part comprises a male seat insulator, a male seat cover and a male seat terminal; the male seat insulator is of a cavity structure, and a plurality of male seat clamping grooves are uniformly distributed on the front inner side wall and the rear inner side wall of the male seat insulator and are used for inserting the male seat terminals; the female part comprises a female part insulator and a female part terminal; a plurality of female seat clamping grooves are uniformly distributed on the female seat insulator; the female seat clamping groove is used for inserting the female seat terminals and corresponds to the positions of the male seat terminals one by one, and is characterized in that the male seat terminals are bending elastic pieces and sequentially composed of a lower PCB welding part, a male seat insulator inserting part, an elastic bending part and a male seat insulator supporting part, wherein the male seat insulator inserting part is matched with the male seat clamping groove, and correspondingly, the male seat cover is provided with an inserting part matched with the male seat insulator supporting part; the male seat cover is sleeved in the cavity of the male seat insulator and is not in contact with the male seat insulator completely, and is supported only by the supporting part of the male seat insulator; when the male seat part is inserted relative to the female seat part, the position of the male seat cover relative to the male seat insulator in the X direction and/or the Y direction can be finely adjusted by means of the elastic bending part, so that the male seat terminal has a correct inserting position relative to the female seat terminal;
the female seat terminal is composed of an upper PCB welding part, a female seat insulator inserting part matched with the female seat clamping groove, an arc-shaped conducting bulge and a guiding oblique force in sequence; the guide inclined force is formed by the arc-shaped conduction protrusion extending downwards in an inclined mode and is tangential to the arc-shaped conduction protrusion.
2. The floating BTB connector of claim 1, wherein stop arms extend downwardly along the left and right ends of the male housing cover, respectively, and the lower edge thereof must not pass over the bottom wall of the male housing insulator.
3. The floating BTB connector of claim 1, wherein the single-sided gap of the male cover relative to the front and rear sidewalls of the male insulator is no more than 0.45mm; the unilateral gap between the male seat cover and the left and right side walls of the male seat insulator is not more than 0.45mm.
4. The floating BTB connector of claim 1, wherein the male housing insulator support portion is U-shaped and the mating portion is an opposed recess formed in the front and rear side walls of the male housing cover.
5. The floating BTB connector of claim 1, wherein the cross section of the male socket clip groove is T-shaped, and correspondingly, relief grooves are symmetrically formed in the side wall of the male socket insulator plug-in portion.
6. The floating BTB connector of any one of claims 1-5, further comprising a male socket lug, a female socket lug, respectively inserted at left and right ends of the male socket insulator and the female socket insulator.
7. The floating BTB connector of claim 6, wherein the male lug is provided with an inwardly extending limit flange, and correspondingly, the left and right side walls of the male insulator are each provided with a limit groove corresponding to the inwardly extending limit flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339456.3A CN109950716B (en) | 2019-04-25 | 2019-04-25 | Floating BTB connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339456.3A CN109950716B (en) | 2019-04-25 | 2019-04-25 | Floating BTB connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109950716A CN109950716A (en) | 2019-06-28 |
| CN109950716B true CN109950716B (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910339456.3A Active CN109950716B (en) | 2019-04-25 | 2019-04-25 | Floating BTB connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109950716B (en) |
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| CN109950716A (en) | 2019-06-28 |
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