CN217009653U

CN217009653U - A kind of interface unit

Info

Publication number: CN217009653U
Application number: CN202220240434.9U
Authority: CN
Inventors: 涂瀚; 王伟; 王振江
Original assignee: Yiteng Electronic Science & Technology Kunshan Co ltd
Current assignee: Yiteng Electronic Science & Technology Kunshan Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-19
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a connector, which comprises a shell and a terminal module accommodated in the shell, wherein the shell comprises a cylinder part which is used for being sleeved outside the upper part of the terminal module, a clamping part which is used for being sleeved on the periphery of the lower part of the terminal module and is contacted with the periphery of the lower part of the terminal module, and an extending part which extends outwards from the cylinder part, the clamping part is formed by downwards extending the cylinder part, two extending parts are arranged on the same side of the shell, the lower end surface of the cylinder part is higher than the top surface of the extending part, the extending part comprises a horizontal part which extends outwards from the cylinder part and a vertical part which extends downwards from the horizontal part, and a gap is formed between the two horizontal parts. According to the connector, the bending piece does not exist between the extending parts, the phenomenon that the surface of the shell is inclined due to large-area bending is avoided, the collision area when the shell and the terminal module are assembled is reduced, the inclination phenomenon of the shell due to collision is reduced, the product flatness is optimized, and the board beating yield of a client is improved.

Description

A kind of interface unit

Technical Field

The utility model belongs to the technical field of electronic connectors, and particularly relates to a USB connector.

Background

The existing commercially available USB connector generally comprises a shell and a terminal module accommodated in the shell, wherein the shell can be directly bent in a large area, so that on one hand, the stress is large when a part is bent by a die, the part is easy to damage, the productivity is low, and the die and the production cost are indirectly improved; on the other hand, due to large-area bending, the resilience coefficient of the bending position is increased, the shell is easily expanded or buckled inwards, the shell is easily collided with the terminal module during assembly, and finally the client patch is abnormal.

Disclosure of Invention

In view of this, in order to overcome the defects of the prior art, the present invention provides an improved USB connector, which can avoid the deformation of the housing and improve the yield of the product.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a connector comprises a housing and a terminal module accommodated in the housing, wherein the housing comprises a cylinder part for being sleeved outside the upper part of the terminal module, a clamping part for being sleeved on the periphery of the lower part of the terminal module and contacting with the terminal module, and an extending part extending outwards from the cylinder part, the clamping part is formed after the cylinder part extends downwards, two extending parts are arranged on the same side of the housing, the lower end surface of the cylinder part is higher than the top surface of the extending part, the extending part comprises a horizontal part extending outwards from the cylinder part and a vertical part extending downwards from the horizontal part, and a gap is reserved between the two horizontal parts.

According to some preferred embodiments of the present invention, the terminal module includes a partition, terminal assemblies located at both sides of the partition, a top block located at tops of the partition and the terminal assemblies, and a fixing member for fixing the terminal assemblies and the partition, the fixing member being electrically connected to the partition and the housing, respectively, and a bottom of the fixing member being lower than a lower end surface of the barrel portion. The partition is a metal piece and is used for grounding and insulating the terminal.

According to some preferred embodiments of the present invention, the terminal assembly includes a terminal and an injection molded piece wrapping the terminal, the injection molded piece including a body, an expanded portion extending outward from the body, and a terrace portion extending outward from the expanded portion, an inner diameter of the expanded portion matching an outer diameter of the clamping portion, and a level of the terrace portion being lower than a level of the horizontal portion in the extended portion. The terminals include terminals for transmitting signals and for transmitting current. The expansion part is used for being matched with the clamping part of the shell, so that the terminal module and the shell are fixed. In order to facilitate the positioning during the assembly, the side surface of the expansion part is provided with a limiting block, and the clamping part is provided with a limiting groove matched with the limiting block.

According to some preferred implementation aspects of the utility model, the fixing part comprises an attaching part, a transition part, a connecting part and a clamping part extending outwards from the attaching part, the attaching part is attached to the body of the injection molding part, the transition part is connected between the attaching part and the connecting part, the bottom surface of the connecting part is lower than the lower end surface of the cylinder part, the connecting part is used for being electrically connected with the cylinder part, and the clamping part is used for being electrically connected with the partition plate. The fixing piece plays a role in fixing the terminal assembly and the partition plate on one hand, and on the other hand, the fixing piece plays a role in shielding, and the fixing piece is electrically connected with the partition plate and the shell, so that the partition plate is grounded.

According to some preferable implementation aspects of the utility model, a positioning block is arranged on the body of the injection molding part, a fitting groove for accommodating the fitting part in the fixing part is formed between the positioning block and the expansion part, a transition groove and an accommodating groove for accommodating the transition part and the connecting part respectively are formed in the expansion part, and a first through hole for the clamping part to pass through is further formed in the injection molding part.

According to some preferred aspects of the present invention, the fixing member includes an electrical connecting portion extending outwardly from the attaching portion, the electrical connecting portion being configured to electrically connect with one or more terminals of the terminal assembly. That is, some terminals in the terminal assembly are electrically connected with the fixing member and the housing to be grounded.

According to some preferred implementation aspects of the utility model, the partition plate is provided with a second through hole for the clamping portion to pass through, the clamping portion is provided with a buckle, and the buckle is used for hooking the partition plate after passing through the first through hole on the injection molding piece and the second through hole on the partition plate. The both ends of mounting are individual to have a joint portion and an electric connection portion, and joint portion utilizes the buckle to hook the baffle after passing first perforation and second perforation and keeps away from one side of this mounting, and still is provided with the barb structure of anticreep in the joint portion. The electrical connection part is used for being electrically connected with the terminal located on the outermost side.

According to some preferred embodiments of the present invention, the partition plate has a protruding piece extending outward, the clamping portion has a positioning hole, and the protruding piece is accommodated in the positioning hole and electrically connected to the housing. The picture cooperates with the locating hole, and on the one hand electric connection strengthens the ground connection effect, and on the other hand plays the preventing back of terminal module, anticreep function. One side of the lug is provided with an inclined plane, so that the lug can conveniently slide in.

According to some preferred embodiments of the present invention, the terminal assembly includes a first terminal assembly and a second terminal assembly respectively located at both sides of the separator, and the fixing member includes a first fixing member for fixedly connecting the first terminal assembly and the separator and a second fixing member for fixedly connecting the second terminal assembly and the separator.

According to some preferred embodiments of the present invention, the injection-molded parts of the first terminal assembly and the second terminal assembly have mutually cooperating insertion blocks and insertion grooves on their surfaces close to each other, the insertion blocks on the same injection-molded part extend in different directions, and the partition plate is correspondingly provided with insertion holes. The extending directions of the inserting blocks are different, so that the fool-proof effect can be achieved.

Compared with the prior art, the utility model has the advantages that: according to the connector, the bending piece does not exist between the extending parts, so that the phenomenon that the surface of the shell is inclined due to large-area bending can be avoided, the collision area when the shell and the terminal module are assembled is reduced, the inclination phenomenon of the shell due to collision is reduced, the product flatness is optimized, the board punching yield of a client side is improved, and the poor conduction phenomenon is avoided; and the mould and production cost can be reduced. And the lower terminal surface of section of thick bamboo portion is higher than the top surface of extension, can conveniently weld the shielding ground connection subassembly in casing and the terminal module, prevents to weld difficulty and welding badly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a perspective view of a connector in accordance with a preferred embodiment of the present invention;

FIG. 2 is a perspective view of a housing in the connector of the preferred embodiment of the present invention;

fig. 3 is a perspective view of a terminal module in the connector of the preferred embodiment of the present invention;

FIG. 4 is a cross-sectional view of a terminal module in the connector of the preferred embodiment of the present invention;

FIG. 5 is an exploded view of the terminal module in the connector of the preferred embodiment of the present invention;

wherein: connector-1, shell-2, terminal module-3, cylinder-41, clamping part-42, extension part-43, horizontal part-441, vertical part-442, partition plate-5, top block-6, fixing part-7, fitting part-71, transition part-72, connecting part-73, clamping part-74, buckle-741, barb-742, electrical connecting part-75, injection molding-9, body-91, expansion part-92, platform part-93, positioning block-94, fitting groove-95, accommodating groove-96, terminal-10, first through hole-111, second through hole-112, lug-121, positioning hole-122, limiting block-131, limiting groove-132 and insertion block-141, insert into slot-142 and insert into slot-143.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. 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 protection scope of the present invention.

Referring to fig. 1 to 5, the connector 1 of the present embodiment includes a housing 2 and a terminal module 3 accommodated inside the housing 2, the housing 2 includes a cylindrical portion 41 configured to be fitted over an upper portion of the terminal module 3, a clamping portion 42 configured to be fitted over and in contact with a lower portion outer periphery of the terminal module 3, and an extending portion 43 extending outward from the cylindrical portion 41, the clamping portion 42 is formed by extending downward from the cylindrical portion 41, the housing 2 has two extending portions 43 on the same side, a lower end surface of the cylindrical portion 41 is higher than a top surface of the extending portion 43, the extending portion 43 includes a horizontal portion 441 extending outward from the cylindrical portion 41 and a vertical portion 442 extending downward from the horizontal portion 441, and a space is provided between the two horizontal portions 441. The top of the terminal module 3 is lower than the top of the housing 2.

As shown in fig. 3 to 5, the terminal module 3 includes a partition plate 5, terminal assemblies located at both sides of the partition plate 5, a top block 6 located at the top of the partition plate 5 and the terminal assemblies, and a fixing member 7 for fixing the terminal assemblies and the partition plate 5, wherein the fixing member 7 is electrically connected to the partition plate 5 and the housing 2, respectively, and the bottom of the fixing member 7 is lower than the lower end surface of the cylindrical portion 41 to facilitate welding with the housing 2. The spacer 5 is a metal member for grounding and insulating the terminal 10.

The partition plate 5 has a protruding piece 121 extending outward, the clamping portion 42 has a positioning hole 122, and the protruding piece 121 is accommodated in the positioning hole 122 and electrically connected to the housing 2. The picture is matched with the positioning hole 122, so that the picture is electrically connected to strengthen the grounding effect on the one hand, and the picture plays roles of preventing the terminal module 3 from retreating and falling off on the other hand. One side of the protruding piece 121 is provided with an inclined surface, so that the sliding-in is convenient.

The terminal assembly comprises a terminal 10 and an injection molding part 9 wrapping the terminal 10, wherein the injection molding part 9 comprises a body 91, an expansion part 92 extending outwards from the body 91 and a platform part 93 extending outwards from the expansion part 92, the inner diameter of the expansion part 92 is matched with the outer diameter of the clamping part 42, and the horizontal height of the platform part 93 is lower than that of the horizontal part 441 in the extension part 43. The terminals 10 include terminals 10 for transmitting signals and for transmitting current. The expansion portion 92 is used to form a fit with the clamping portion 42 of the housing 2, so that the terminal module 3 is fixed to the housing 2. In order to facilitate positioning during assembly, the side surface of the expansion portion 92 is provided with a limit block 131, and the clamping portion 42 is provided with a limit groove 132 matched with the limit block 131.

As shown in fig. 5, the terminal assembly includes a first terminal assembly and a second terminal assembly respectively located at both sides of the separator 5, and the fixing member 7 includes a first fixing member for fixedly connecting the first terminal assembly and the separator 5 and a second fixing member for fixedly connecting the second terminal assembly and the separator 5. The surfaces of the injection-molded parts 9 of the first terminal assembly and the second terminal assembly, which are close to each other, are provided with insertion blocks 141 and insertion grooves 142 which are matched with each other, the extension directions of the plurality of insertion blocks 141 on the same injection-molded part 9 are different, and the partition plate 5 is correspondingly provided with insertion holes 143. The insertion block 141 can be fool-proof due to its different extending direction.

The fixing piece 7 comprises an attaching portion 71, a transition portion 72, a connecting portion 73, a clamping portion 74 extending outwards from the attaching portion 71, and an electrical connecting portion 75 extending outwards from the attaching portion 71, wherein the attaching portion 71 is attached to the body 91 of the injection molding 9, the transition portion 72 is connected between the attaching portion 71 and the connecting portion 73, the bottom surface of the connecting portion 73 is lower than the lower end surface of the cylinder portion 41, the connecting portion 73 is used for electrically connecting with the cylinder portion 41, and the clamping portion 74 is used for electrically connecting with the partition plate 5. The electrical connection portion 75 is used for electrically connecting with one or more terminals 10 in the terminal assembly, i.e. some of the terminals 10 in the terminal assembly are electrically connected with the fixing member 7 and the housing 2 to be grounded. The fixing member 7 serves, on the one hand, to fix the terminal assembly with the separator 5, and, on the other hand, the fixing member 7 serves as a shield, which electrically connects the separator 5 and the housing 2 so that the separator 5 is grounded.

A positioning block 94 is arranged on the body 91 of the injection molding part 9, a fitting groove 95 used for accommodating the fitting portion 71 in the fixing part 7 is formed between the positioning block 94 and the expansion portion 92, a transition groove and an accommodating groove 96 used for accommodating the transition portion 72 and the connecting portion 73 respectively are formed in the expansion portion 92, a first through hole 111 for the clamping portion 74 to pass through is further formed in the injection molding part 9, a second through hole 112 for the clamping portion 74 to pass through is formed in the partition plate 5, a buckle 741 is arranged on the clamping portion 74, and the buckle 741 is used for passing through the first through hole 111 in the injection molding part 9 and the second through hole 112 in the partition plate 5 and then hooking the partition plate 5. The two end portions of the fixing member 7 have a clamping portion 74 and an electrical connection portion 75, the clamping portion 74 passes through the first through hole 111 and the second through hole 112 and hooks the side of the partition plate 5 away from the fixing member 7 by using a buckle 741, and the clamping portion 74 is further provided with an anti-falling barb 742 structure. The electrical connection portion 75 is used for electrical connection with the terminal 10 located at the outermost side.

The shell in the conventional connector is directly bent in a large area, the bent part of the die is stressed greatly and is easy to damage, the yield is low, and the cost of the die is indirectly increased; the bending position springback coefficient of the shell bent in a large area is increased, shell expansion or inner buckling is easily caused, and finally client-side paster abnormity is caused. According to the connector, the bending piece does not exist between the extending parts, so that the bending length of the shell is reduced, the phenomenon that the surface of the shell is inclined due to large-area bending is avoided, the resilience coefficient of a bending position is reduced, resilience is not easy to occur after bending, and the yield of finished products is improved; the stress of the bent part of the die is reduced, the design difficulty of the die is greatly reduced, the manufacturing cost of the die is saved, the service life of the die is prolonged, and the production capacity of the part is improved; meanwhile, the collision area of the assembled shell bending part and the terminal module is reduced, the inclination phenomenon of the shell caused by collision is reduced, the product flatness is optimized, and the board beating yield of the client is improved; and the lower terminal surface of section of thick bamboo portion is higher than the top surface of extension, can conveniently weld the shielding ground connection subassembly in casing and the terminal module, avoids the contact failure phenomenon because of the welding leads to taking place.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the utility model, and not to limit the scope of the utility model, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. A connector comprises a housing and a terminal module accommodated in the housing, and is characterized in that the housing comprises a cylinder part, a clamping part and an extending part, wherein the cylinder part is used for being sleeved outside the upper part of the terminal module, the clamping part is used for being sleeved on the periphery of the lower part of the terminal module and is in contact with the periphery of the lower part of the terminal module, the extending part extends outwards from the cylinder part, the clamping part is formed after the cylinder part extends downwards, two extending parts are arranged on the same side of the housing, the lower end face of the cylinder part is higher than the top faces of the extending parts, the extending parts comprise a horizontal part extending outwards from the cylinder part and a vertical part extending downwards from the horizontal part, and a gap is reserved between the two horizontal parts.

2. The connector according to claim 1, wherein the terminal module comprises a partition plate, terminal assemblies located on both sides of the partition plate, a top block located on top of the partition plate and the terminal assemblies, and a fixing member for fixing the terminal assemblies and the partition plate, the fixing member being electrically connected to the partition plate and the housing, respectively, the bottom of the fixing member being lower than the lower end surface of the barrel portion.

3. The connector of claim 2, wherein the terminal assembly includes a terminal and an injection molded piece encasing the terminal, the injection molded piece including a body, an extension extending outwardly from the body, the extension having an inner diameter matching an outer diameter of the clamping portion, and a platform extending outwardly from the extension, the platform having a level lower than a level of the extension.

4. The connector according to claim 3, wherein the fixing member comprises an attaching portion, a transition portion, a connecting portion and a clamping portion extending outwards from the attaching portion, the attaching portion is attached to the body of the injection molding member, the transition portion is connected between the attaching portion and the connecting portion, the bottom surface of the connecting portion is lower than the lower end surface of the cylinder portion, the connecting portion is used for being electrically connected with the cylinder portion, and the clamping portion is used for being electrically connected with the partition plate.

5. The connector according to claim 4, wherein a positioning block is arranged on the body of the injection molding member, a fitting groove for accommodating the fitting portion of the fixing member is formed between the positioning block and the expansion portion, a transition groove and an accommodating groove for accommodating the transition portion and the connecting portion are formed in the expansion portion, respectively, and a first through hole for the clamping portion to pass through is further formed in the injection molding member.

6. The connector of claim 4, wherein the fixing member includes electrical connecting portions extending outwardly from the engaging portion, the electrical connecting portions being configured to electrically connect with one or more terminals of the terminal assembly.

7. The connector of claim 5, wherein the partition plate is provided with a second through hole for the clip portion to pass through, the clip portion is provided with a buckle, and the buckle is used for hooking the partition plate after passing through the first through hole on the injection molding member and the second through hole on the partition plate.

8. The connector of claim 7, wherein the spacer has an outwardly extending tab, the clamping portion has a positioning hole, and the tab is received in the positioning hole and electrically connected to the housing.

9. The connector according to any one of claims 2 to 8, wherein said terminal assemblies include first and second terminal assemblies respectively located on both sides of the spacer, and said fixing member includes a first fixing member for fixedly connecting said first terminal assembly and the spacer and a second fixing member for fixedly connecting said second terminal assembly and the spacer.

10. The connector of claim 9, wherein the injection molded parts of the first and second terminal assemblies have mating insertion blocks and insertion grooves on their sides adjacent to each other, and the plurality of insertion blocks on the same injection molded part extend in different directions.