CN113178732B

CN113178732B - Dislocation elastic arm fitting in female end connector

Info

Publication number: CN113178732B
Application number: CN202110734705.6A
Authority: CN
Inventors: 周欢; 葛明琪
Original assignee: Xinwei Communication Jiangsu Co ltd
Current assignee: Xinwei Communication Jiangsu Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-09-03
Anticipated expiration: 2041-06-30
Also published as: CN113178732A

Abstract

The invention discloses a staggered elastic arm hardware fitting in a female end connector, which comprises a plastic body and hardware fittings at two ends of the plastic body, wherein the hardware fitting and the plastic body are integrally formed, a surrounding arm of the hardware fitting is C-shaped and wraps the outer wall of the end head of the plastic body, a connecting arm is arranged at the middle section of the surrounding arm, guide parts are arranged at the two end heads, an extending part is arranged after the connecting arm is bent inwards and is connected with the inner bottom surface of the plastic body, and a middle island protection cover and clamping devices at two sides are arranged on the extending part. The invention adopts the stretching integrated middle island protective cover to protect the plastic end of the middle island in all directions, and the protection end on the extension wall can be more quickly positioned and spliced, and the staggered elastic arm below the protection end has stronger connectivity.

Description

Dislocation elastic arm fitting in female end connector

Technical Field

The invention relates to the technical field of connectors, in particular to a staggered elastic arm hardware fitting in a female end connector.

Background

BTB connectors, also known as board-to-board connectors, are a common connector product in the electronic market. Among various types of connector products, the BTB connector has the strongest transmission function and the widest application range, and can play a good role in many fields, especially in the industries of communication networks, office equipment, intelligent home appliances, medical equipment, power systems, industrial manufacturing and the like.

Among the prior art, chinese utility model patent that publication number is CN212848967U discloses a female seat of miniature heavy current BTB connector, glue core, terminal and mounting including the main part, the core is glued to the main part includes inserting groove and a plurality of space bar, inserting groove cave in the front that the core was glued to the main part, and the space bar sets up in the back that the core was glued to the main part, and two adjacent space bars form a space bar, the terminal set up in the space bar, the both sides that the core was glued to the main part still are provided with the guide slot, the guide slot with the inserting groove meets, the mounting set up in the guide slot and glue the core with the main part and be fixed for joint each other, serve to be provided with five contacts on the inboard of this mounting.

The female seat of the miniature large-current BTB connector adopts a five-point contact mode, when the female seat is in matched contact with the male seat, the female seat is connected with the male seat through five contact points arranged on the fixing piece, certain defects still exist, at least five contact points can make the hardware fitting relatively complex to manufacture, the cost is increased, the contact points are worn over the long term, and the male and female connectors cannot be rapidly and accurately matched with each other when being matched with each other, so that the matching process is complex and the matching time is long; the female end rubber core is easy to be damaged in the mutual matching process, so that the service life of the female end rubber core is shortened; the male and female connectors can be detached due to poor connection after mating because of the wear of the contact points which is accumulated day by day.

Disclosure of Invention

According to the technical problem to be solved, the invention provides the dislocation elastic arm hardware fitting in the female end connector, and the connectivity of the male end and the female end is improved through the arc-shaped surface of the guide wall for fast guiding and the dislocation elastic arm.

In order to achieve the purpose, the staggered elastic arm hardware fitting in the female end connector comprises a plastic body and hardware fittings at two ends of the plastic body, wherein the hardware fittings and the plastic body are integrally formed, a surrounding arm of each hardware fitting is wrapped on the outer wall of the end head of the plastic body in a C shape, a connecting arm is arranged at the middle section of the surrounding arm, guide parts are arranged at the ends of two ends, an extending part is arranged after the connecting arm is bent inwards and is connected with the inner bottom surface of the plastic body, and the extending part is provided with a middle island protection cover and clamping devices at two sides.

Furthermore, a third welding leg and a fourth welding leg vertically extend downwards from two end heads of the surrounding arm.

Furthermore, the surrounding arm is provided with a first welding leg and a second welding leg which vertically extend downwards at the position of the connecting arm, and the bottoms of the first welding leg and the second welding leg are provided with bosses which are bent outwards.

Furthermore, the guide part comprises a first guide wall and a second guide wall, and the first guide wall and the second guide wall extend upwards at two ends of the surrounding arm and are bent inwards.

Furthermore, the centers of the bending ends of the first guide wall and the second guide wall are respectively provided with a semicircular groove, one side of the semicircular groove of the first guide wall is provided with a first extending section, and the other side of the semicircular groove, opposite to the first extending section, of the second guide wall is provided with a second extending section.

Furthermore, the first extending section, the second extending section, the third welding leg and the fourth welding leg are all parallel to each other.

Furthermore, the clamping device comprises a first elastic arm and a second elastic arm, the first elastic arm and the second elastic arm are S-shaped, one end of the first elastic arm is located on one side of the extension portion, the other end of the first elastic arm is located below the first protection end, one end of the second elastic arm is located on the other side of the extension portion, and the other end of the second elastic arm is located below the second protection end.

Furthermore, the outer arc surfaces of the upper bending angles of the first elastic arm and the second elastic arm are opposite, and the upper bending angles exceed the ports of the first protection end and the second protection end.

Has the advantages that: according to the staggered elastic arm hardware fitting in the female end connector, in the design, the elastic arms on two sides are respectively hidden below the protection ends, so that when male and female products are mutually matched, the male end is preferentially contacted with the protection arms, and then is contacted with the elastic arms after being guided, the elastic arms are in a staggered design, and the connection between the staggered elastic arms and the male end is stronger; the middle island protective cover on the extension part can wrap the rubber core end inside the female end in an all-dimensional mode, no plastic is exposed, and the product strength and the service life are improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the hardware structure of the present invention.

Fig. 2 is a schematic view of the combination of the hardware and the plastic body according to the present invention.

Fig. 3 is a schematic view of a second protection terminal and a second extension section according to the present invention.

Fig. 4 is a schematic view of a first elastic arm and a second elastic arm of the present invention.

In the figure: 1 is a plastic body; 2 is a first solder leg; 3 is a second leg; 4 is a third leg; 5 is a first guide wall; 6 is a connecting arm; 7 is a second guide wall; 8 is a surrounding arm; 9 is a fourth fillet weld; 10 is a middle island protective cover; 11 is a first elastic arm; 12 is a second elastic arm; 13 is an extension part; 14 is a first extension segment; 15 is a first protection end; 16 is a second extension; and 17 is a second protection terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.

As shown in fig. 1-4, the hardware and the plastic body 1 are integrally formed, the surrounding arm 8 of the hardware is wrapped on the outer wall of the end of the plastic body 1 in a C shape, the connecting arm 6 is arranged at the middle section of the surrounding arm 8, the guiding portions are arranged at the two ends, the connecting arm 6 is provided with an extending portion 13 after being bent inwards and is connected with the inner bottom surface of the plastic body 1, and the extending portion 13 is provided with a middle island protection cover 10 and clamping devices at two sides.

From the above description, the hardware and the plastic body 1 are integrally formed in the manufacturing process, and are not assembled in the later stage, so that the overall strength of the hardware and the plastic body is increased, and the manufacturing procedures are reduced; the gold utensil wraps up plastic body 1 end for C type in this embodiment, encloses arm 8 both ends and is provided with the guide portion respectively, and the middle section has inside extension 13 of bending inwards and laminating plastic body 1, and the guide portion is when public end is to female end cooperation, can be fast, accurate grafting on the one hand, and on the other hand is in the elastic arm of guide portion below for protection extension 13 both sides, and well island safety cover 10 is in order to protect inside gluey core to prevent the pressure loss.

In this embodiment, as shown in fig. 1, the third solder leg 4 and the fourth solder leg 9 vertically extend downward from both ends of the surrounding arm 8, so that on one hand, the extended third solder leg 4 and the extended fourth solder leg 9 can be used for PCB board soldering, and on the other hand, the bonding force of both ends of the surrounding arm 8 is increased during soldering, thereby preventing both ends from being too thin and breaking; as shown in fig. 1 and 2, a first welding leg 2 and a second welding leg 3 vertically extend downwards from the outer wall of the corresponding position of the connecting arm 6 on the inner wall of the surrounding arm 8, bosses bent outwards are arranged at the bottoms of the first welding leg 2 and the second welding leg 3, and the bottom surfaces of the bosses are flush with the outer bottom surface of the plastic body 1; the first solder leg 2 and the second solder leg 3 are used for PCB board soldering and fixing the female terminal connector.

In the present embodiment, as shown in fig. 1 and 3, the guide portion is divided into two parts, namely, a first guide wall 5 and a second guide wall 7, and the first guide wall 5 and the second guide wall 7 extend upward and then are bent to form a curve; specifically, semicircular grooves are formed in the centers of the bent ends of the first guide wall 5 and the second guide wall 7, the first guide wall 5 and the second guide wall 7 are divided into a first extending section 14, a first protection end 15, a second extending section 16 and a second protection end 17 through the semicircular grooves, wherein the first extending section 14 is arranged on one side of the semicircular groove of the first guide wall 5, the second extending section 16 is arranged on the other side, opposite to the first extending section 14, of the second guide wall 7, and the first extending section 14 and the second extending section 16 play a role in guiding when the male end is connected, and play a role in clamping the male end; an included angle between the bending part of the first guide wall 5 and the first extension section 14 is set as a slope, and an included angle between the bending part of the second guide wall 7 and the second extension section 16 is set as a slope, so that the male end can be accurately accessed after being quickly aligned through the set slope in the process of accessing the male end, the time is saved, and the abrasion of hardware fittings is reduced; furthermore, the first extension section 14, the second extension section 16, the third solder fillet 4 and the fourth solder fillet 9 are all parallel to each other, and can be matched with the plastic body 1 better.

In this embodiment, as shown in fig. 1, 3 and 4, the latch device includes a first elastic arm 11 and a second elastic arm 12, both the first elastic arm 11 and the second elastic arm 12 are S-shaped, one end of the first elastic arm 11 is located on one side of the extending portion 13, the other end is located below the first protecting end 15, one end of the second elastic arm 12 is located on the other side of the extending portion 13, and the other end is located below the second protecting end 17. Wherein, first bullet arm 11 and second bullet arm 12 are crisscross to be fixed in extension both sides to be located the below of first protection end 15 and second protection end 17 respectively, when public end and female end cooperation, through first protection end 15 and second protection end 17 in the public end side access process, can prevent to play arm 11 and second bullet arm 12 pressure loss with first bullet arm 11 and second, and the first bullet arm 11 and the second bullet arm 12 of dislocation have better connectivity.

Specifically, the first elastic arm 11 and the second elastic arm 12 are S-shaped, so that they have two bending angles, wherein the outer arc surfaces of the upper bending angles are all inward opposite, and the upper bending angles exceed the ports of the first protection end 15 and the second protection end 17 as seen from a top view. Wherein, first bullet arm 11 and the inside relative in second bullet arm 12 upper portion bent angle extrados be in order to when female end is pegged graft to the public end, through the public end of protruding part's bent angle centre gripping, the upper portion bent angle surpasss first protection end 15 and second protection end 17 port, reduces the distance between two bent angles and obtains bigger clamping-force.

In the use, after the position was looked for along first guide wall 5 and second guide wall 7 fast during public end and female end cooperation, inwards inserted, the laminating of access in-process public end both sides wall and first extension section 14 and second extension section 16 is impressed downwards, owing to first protection end 15 and second protection end 17 during impressing, public end can not play arm 11 and the 12 end pressure losses of second bullet arm, but can be downwards along the bent angle of first bullet arm 11 and second bullet arm 12, outwards strut the back with the bent angle to the shrink through the bent angle is tight with public end both sides clamp.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims

1. Dislocation elastic arm gold utensil in the female end connector, including the gold utensil at the plastic body and plastic body both ends, its characterized in that: the hardware fitting and the plastic body (1) are integrally formed, a surrounding arm (8) of the hardware fitting is wrapped on the outer wall of the end of the plastic body (1) in a C shape, a connecting arm (6) is arranged at the middle section of the surrounding arm (8), guide parts are arranged at the two ends of the surrounding arm (8), the guide parts comprise a first guide wall (5) and a second guide wall (7), the first guide wall (5) and the second guide wall (7) extend upwards and bend inwards at the two ends of the surrounding arm (8), semicircular grooves are arranged at the centers of the bent ends of the first guide wall (5) and the second guide wall (7), a first extending section (14) is arranged at one side of the semicircular groove of the first guide wall (5), a first protection end (15) is arranged at the other side of the semicircular groove of the second guide wall (7), a second extending section (16) is arranged at the other side of the semicircular groove of the second guide wall (7), and a second protection end (17) is arranged, the second extension section (16) and the first extension section (14) are staggered in position, the connecting arm (6) is bent inwards and then provided with an extension part (13), and is connected with the inner bottom surface of the plastic body (1), the extension part (13) is provided with a middle island protection cover (10), and clamping devices are arranged on two sides of the extension part (13), each clamping device comprises a first elastic arm (11) and a second elastic arm (12), the first elastic arm (11) and the second elastic arm (12) are S-shaped, one end of the first elastic arm (11) is positioned on one side of the extension part (13), the other end of the first elastic arm is positioned below the first protection end (15), one end of the second elastic arm (12) is positioned at the other side of the extension part (13), the other end is positioned below the second protection end (17), the first extension section (14) and the second extension section (16) are not connected with the second elastic arm (12) and the first elastic arm (11).

2. The dislocated spring arm fitting in a box end connector as claimed in claim 1, wherein: and both ends of the surrounding arm (8) vertically extend downwards to form a third welding leg (4) and a fourth welding leg (9).

3. The dislocated spring arm fitting in a box end connector as claimed in claim 1, wherein: enclose arm (8) and have first leg (2) and second leg (3) in linking arm (6) position downward vertical extension, the bottom of first leg (2) and second leg (3) is provided with the boss of outside bending.

4. The dislocated spring arm fitting for a female end connector as claimed in any one of claims 2 to 3, wherein: the first extension section (14), the second extension section (16), the third welding foot (4) and the fourth welding foot (9) are all parallel to each other.

5. The dislocated spring arm fitting in a box end connector as claimed in claim 1, wherein: first bullet arm (11) and second bullet arm (12) upper portion bent angle extrados are relative, first bullet arm (11) upper portion bent angle extrados surpasss first protection end (15) port, second bullet arm (12) upper portion bent angle extrados second protection end (17) port.