CN116365281A - Connector with square hole covering structure and preparation process thereof - Google Patents
Connector with square hole covering structure and preparation process thereof Download PDFInfo
- Publication number
- CN116365281A CN116365281A CN202310289372.XA CN202310289372A CN116365281A CN 116365281 A CN116365281 A CN 116365281A CN 202310289372 A CN202310289372 A CN 202310289372A CN 116365281 A CN116365281 A CN 116365281A
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- China
- Prior art keywords
- plastic
- block
- connector
- square hole
- main body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a connector with a square hole covering structure and a preparation process thereof, and belongs to the technical field of connectors. When the production installation, two plastic blocks cover two square holes from inside respectively, make the position that the plastic main part was exposed be the plane, strengthen the aesthetic property of connector, do not influence the effect of square hole itself simultaneously, the fixture block can prevent that the plastic block from sliding with the cooperation of stopping portion, strengthened the shielding effect of plastic block to the square hole, can effectively prevent that external dust foreign matter from getting into inside the connector from the square hole, reduce the accumulational opportunity of dust, reduce the influence of dust foreign matter to the connector. The plastic block and the plastic main body are integrally injection molded, so that the production process is simplified, and the production cost is saved.
Description
Technical Field
The invention relates to the technical field of connectors, and particularly discloses a connector with a square hole covering structure and a preparation process thereof.
Background
As is well known, two small square holes are formed in the shell of the USB connector (male) and are used for being matched with two protruding clips in the female connector, so that the USB connector can be stably inserted into the female connector, and the connection is prevented from being influenced by falling of the USB connector. The two square holes can expose the plastic main body in the shell outside, and the exposed part of the plastic main body by the square holes is special-shaped and not plane due to the molding process of the plastic main body, so that the plastic main body is not attractive in appearance, dust and foreign matters easily enter the connector from the square holes and are accumulated, and the use of the connector is affected.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a connector with a square hole covering structure, which covers the square hole of a connector shell, enhances the aesthetic property of the connector and prevents external dust and foreign matters from entering the connector from the square hole.
In order to achieve the above purpose, the connector with square hole covering structure of the present invention comprises a plastic main body, a terminal and a housing, wherein the plastic main body and the terminal are injection molded into an integrated structure and are accommodated in the housing, and the housing is provided with two square holes; the plastic main body is provided with two plastic blocks for shielding square holes and two avoidance grooves for accommodating the plastic blocks, the two plastic blocks and the plastic main body are of an integrated structure, the plastic blocks are provided with clamping blocks, the bottom wall of each avoidance groove is provided with a stop part matched with each clamping block, and the stop parts are used for propping against the clamping blocks to prevent the plastic blocks from sliding; when the plastic body and the shell are assembled, the plastic block is forced to slide along the avoidance groove so that the clamping block and the stopping part are mutually abutted.
Specifically, the fixture block is arranged on the bottom surface of the plastic block, and the blocking part is formed by protruding upwards from the bottom wall of the avoidance groove.
Specifically, the fixture block comprises a first side surface and a second side surface, wherein the included angle between the first side surface and the bottom surface of the plastic block is smaller than the included angle between the second side surface and the bottom surface of the plastic block, the first side surface is used for facilitating the fixture block to slide over the stop part, and the second side surface is used for propping against the stop part.
Specifically, the two avoidance grooves are respectively formed in two opposite side edges of the plastic main body, and the avoidance grooves are concavely formed from the outer side edges of the plastic main body.
Specifically, the both sides cell wall in dodging the groove is provided with bellied tie point, and the tie point is connected in the plastic piece, and the tie point is disconnected with the connection of plastic piece when the plastic main part is installed in the shell.
Specifically, dodge the groove and be provided with spacing portion, spacing portion is protruding to establish the formation in the inslot from the lateral wall of dodging the groove, and spacing portion is used for supporting the plastic piece and carries out spacingly to the plastic piece.
Specifically, the side of plastic block is provided with step portion, and step portion is established from the top surface of plastic block to the indent and is formed, and spacing portion supports step portion when the plastic main part is installed in the shell.
Specifically, the number of the limiting parts and the number of the step parts are at least 2, at least 2 limiting parts are respectively arranged on two groove walls of the avoidance groove, and at least 2 step parts are respectively arranged in one-to-one correspondence with at least 2 limiting parts.
In order to obtain the connector with the square hole covering structure, the preparation process of the connector with the square hole covering structure of the invention comprises the following steps:
s1: stamping and forming a metal sheet to obtain the terminal;
s2: placing the stamped and formed terminal in an injection mold, and performing injection molding on the mold to obtain a plastic main body which is integrated with the terminal, wherein plastic blocks are respectively connected to two sides of the plastic main body, and avoidance grooves for sliding of the plastic blocks are respectively arranged on two sides of the plastic main body;
s3: the metal material belt is processed by a cold stamping stretching process and is processed by stamping forming to obtain a shell;
s4: forcing the plastic block to slide relative to the plastic main body so that the plastic block enters the avoidance groove until the plastic block moves to a position corresponding to the square hole of the shell and then stops moving;
s5: and aligning the plastic block with the surface of the shell, which is provided with the square hole, and then integrally installing the plastic main body and the terminal into the shell to obtain the complete connector.
Specifically, in step S2, the plastic body has a limiting portion, and the plastic block has a step portion;
in step S4, the plastic block is forced to slide along the avoiding groove until the step portion is propped against by the limiting portion, and the clamping block is clamped into the blocking portion.
The invention has the beneficial effects that: the connector with the square hole covering structure comprises a plastic main body, terminals and a shell, wherein the plastic main body is also provided with a plastic block for covering the square hole and an avoidance groove for accommodating the plastic block, the plastic block is provided with a clamping block, the avoidance groove is provided with a stop part, and the clamping block is matched and clamped with the stop part to limit the plastic block. When the production installation, two plastic blocks cover two square holes from inside respectively, make the position that the plastic main part was exposed be the plane, strengthen the aesthetic property of connector, do not influence the effect of square hole itself simultaneously, the fixture block can prevent that the plastic block from sliding with the cooperation of stopping portion, strengthened the shielding effect of plastic block to the square hole, can effectively prevent that external dust foreign matter from getting into inside the connector from the square hole, reduce the accumulational opportunity of dust, reduce the influence of dust foreign matter to the connector. The plastic block and the plastic main body are integrally injection molded, so that the production process is simplified, and the production cost is saved.
Drawings
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a schematic diagram showing the assembly structure of a plastic block and a plastic body according to the present invention;
FIG. 3 is a schematic diagram of an exploded construction of the present invention;
FIG. 4 is a schematic view of the partial structure of the A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view showing a plastic body with an upward bottom surface in a three-dimensional structure;
fig. 6 is a schematic view of a partial structure of B in fig. 5 according to the present invention.
The reference numerals include:
1-Plastic body 2-terminal 3-housing
4-plastic block 11-avoidance groove 12-stop part
13-connection point 14-limit part 31-square hole
41-a clamping block 42-a first side 43-a second side
44-step.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Referring to fig. 1 to 6, a connector with square hole shielding structure of the present invention includes a plastic body 1, a terminal 2 and a housing 3, wherein the plastic body 1 and the terminal 2 are injection molded into an integral structure and are accommodated in the housing 3, and the housing 3 is provided with two square holes 31; the plastic main body 1 is provided with two plastic blocks 4 for shielding the square holes 31 and two avoidance grooves 11, the two avoidance grooves 11 are arranged in one-to-one correspondence with the two plastic blocks 4, the two plastic blocks 4 are integrally formed with the plastic main body 1, the two plastic blocks 4 respectively extend outwards from two sides of the plastic main body 1, and the positions of the plastic blocks 4 can be moved to the positions of the square holes 31 for covering during installation; the plastic block 4 is provided with a clamping block 41, the bottom wall of the avoidance groove 11 is provided with a stopping part 12 matched with the clamping block 41, and the stopping part 12 is used for propping against the clamping block 41 to prevent the plastic block 4 from sliding; when the plastic body 1 and the housing 3 are assembled, the plastic block 4 is slid along the avoiding groove 11 by forcing the plastic block 4 so that the clamping block 41 and the stopping portion 12 are abutted against each other. During production and installation, the two plastic blocks 4 are forced to slide along the two avoidance grooves 11 respectively until the two clamping blocks 41 are abutted against the two stop parts 12 respectively, then the plastic main body 1 is installed in the shell 3, the two plastic blocks 4 can cover the two square holes 31 of the shell 3 from the inside respectively, the exposed part of the plastic main body 1 is a plane, the attractiveness of the connector is enhanced, and meanwhile, the effect of the square holes 31 is not influenced; and after fixture block 41 and the portion 12 that block are contradicted each other, can prevent that plastic piece 4 from sliding in shell 3, strengthened the shielding effect of plastic piece 4 to square hole 31, can effectively prevent that external dust foreign matter from getting into inside the connector from square hole 31, reduce the accumulational opportunity of dust, reduce the influence of dust foreign matter to the connector. The plastic block 4 and the plastic main body 1 are integrally injection molded, and are connected through a structure with a very small size, so that the plastic block 4 and the plastic main body 1 can be disconnected under the action of external force, the production process is simplified, and the production cost is saved.
Referring to fig. 5 to 6, a clamping block 41 is disposed on the bottom surface of the plastic block 4, and a blocking portion 12 is formed by protruding upward from the bottom wall of the avoidance groove 11. The clamping block 41 comprises a first side surface 42 and a second side surface 43, an included angle between the first side surface 42 and the bottom surface of the plastic block 4 is smaller than an included angle between the second side surface 43 and the bottom surface of the plastic block 4, the first side surface 42 is used for facilitating the clamping block 41 to slide over the blocking portion 12, and the second side surface 43 is used for propping against the blocking portion 12. Before the plastic block 4 is installed into the avoidance groove 11, the first side surface 42 is close to the stop part 12, the second side surface 43 is far away from the stop part 12, and an inclined surface parallel to the first side surface 42 is arranged on one side of the stop part 12 close to the plastic block 4 so that the clamping block 41 slides into the stop part 12; when the plastic block 4 is installed into the avoidance groove 11, the first side face 42 is set to be an inclined face so that the clamping block 41 can conveniently slide over the stop part 12, so that the clamping block 41 is clamped into the stop part 12, and the second side face 43 abuts against the side face of the stop part 12, so that the limitation on the plastic block 4 is realized, and the plastic block 4 is prevented from sliding out of the avoidance groove 11.
Referring to fig. 2 to 3, the two avoidance grooves 11 are respectively disposed on two opposite sides of the plastic main body 1, the avoidance grooves 11 are formed by recessing inward from the outer side of the plastic main body 1, and the length of the avoidance grooves 11 is greater than that of the plastic blocks 4, so that the plastic blocks 4 can move in the avoidance grooves 11 without limitation.
Referring to fig. 2 to 4, the groove walls on both sides of the avoidance groove 11 are respectively provided with a protruding connection point 13, the connection point 13 is connected to the plastic block 4, and when the plastic body 1 is installed in the housing 3, the connection between the connection point 13 and the plastic block 4 is disconnected by forcing the plastic block 4 to slide. When the plastic main body 1 and the plastic block 4 are produced, only one set of die is needed to be used, the joint 13 is used as a glue inlet position, and the plastic main body 1 and the plastic block 4 are formed by injection molding at the same time, and no separate die opening is needed; before the plastic main body 1 is arranged in the shell 3, the plastic block 4 is pushed into the avoidance groove 11, the connection between the connection point 13 and the plastic block 4 can be forcibly disconnected, the functions of producing two parts by one set of die are realized, and the die sinking and the production cost are saved.
Referring to fig. 2 to 4, the avoidance groove 11 is provided with a limiting portion 14, the limiting portion 14 is formed by protruding from a side wall of the avoidance groove 11 into the groove, and with a surface of the plastic main body 1, which is close to the square hole 31, as a top surface, the limiting portion 14 is disposed on the top surface of the wall of the avoidance groove 11, and the limiting portion 14 is used for abutting against the plastic block 4 to limit the plastic block 4, so as to prevent the plastic block 4 from moving up and down relative to the plastic main body 1. The number of the limiting parts 14 is at least 2, in the embodiment, the number of the limiting parts 14 is 3, and the 3 limiting parts 14 are divided into two groups of 1 and 2 and are respectively arranged on two mutually perpendicular groove walls of the avoidance groove 11.
Referring to fig. 2 to 4, the side of the plastic block 4 is provided with a step portion 44, the step portion 44 is concavely formed from the top surface of the plastic block 4, and the limiting portion 14 abuts against the step portion 44 when the plastic body 1 is mounted in the housing 3. The number of the step portions 44 is at least 2, and at least 2 step portions 44 are respectively arranged in one-to-one correspondence with at least 2 limit portions 14. In the present embodiment, there are 2 stepped portions 44, and 2 stepped portions 44 are provided corresponding to 2 sets of the limiting portions 14, respectively.
In order to obtain the connector with the square hole covering structure, the preparation process of the connector with the square hole covering structure of the invention comprises the following steps:
s1: stamping and forming a metal sheet to obtain the terminal 2;
s2: placing the stamped and formed terminal 2 in an injection mold, and performing injection molding on the injection mold to obtain a plastic main body 1 which is integrated with the terminal 2, wherein plastic blocks 4 are respectively connected to two sides of the plastic main body 1, and avoidance grooves 11 for sliding the plastic blocks 4 are respectively arranged on two sides of the plastic main body 1; the injection mold adopts a specially designed mold, and injection molding is carried out at the joint 13 between the plastic block 4 and the plastic main body 1 as a glue feeding part, so that the function of simultaneously producing two parts by one set of mold can be realized, and the mold opening and the production cost are saved;
s3: the metal strip is processed by cold stamping and stretching technology and is processed by stamping and forming to obtain a shell 3;
s4: forcing the plastic block 4 to slide relative to the plastic main body 1 so that the plastic block 4 enters the avoiding groove 11 until the plastic block 4 stops moving after moving to the position corresponding to the square hole 31 of the shell 3;
s5: the plastic block 4 is aligned with the face of the housing 3 provided with the square hole 31, and then the plastic body 1 and the terminal 2 are integrally mounted into the housing 3, resulting in a complete connector.
Specifically, in step S2, the plastic body 1 has a limiting portion 14, and the plastic block 4 has a step portion 44;
in step S4, the plastic block 4 is forced to slide along the escape groove 11 until the step portion 44 is pressed against the stopper portion 14, and the clip 41 is locked in the stopper portion 12.
In this embodiment, the stamping forming and cold stamping stretching processes in steps S1 and S3 are all the prior art; the assembling process in the steps S4 and S5 can adopt a mechanical automatic assembling mode or a manual assembling mode.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. The utility model provides a connector with square hole covers structure, includes plastic main part (1), terminal (2) and shell (3), and plastic main part (1) and terminal (2) are moulded plastics into integral type structure and are held in shell (3), and shell (3) are provided with two square holes (31); the method is characterized in that: the plastic main body (1) is provided with two plastic blocks (4) for shielding square holes (31) and two avoidance grooves (11) for accommodating the plastic blocks (4), the two plastic blocks (4) and the plastic main body (1) are of an integrated structure, the plastic blocks (4) are provided with clamping blocks (41), the bottom wall of the avoidance grooves (11) is provided with blocking parts (12) matched with the clamping blocks (41), and the blocking parts (12) are used for propping against the clamping blocks (41) to prevent the plastic blocks (4) from sliding;
when the plastic body (1) and the shell (3) are assembled, the plastic block (4) slides along the avoiding groove (11) by forcing the plastic block (4) so that the clamping block (41) and the stopping part (12) are mutually abutted.
2. The connector with square hole masking structure according to claim 1, wherein: the clamping block (41) is arranged on the bottom surface of the plastic block (4), and the blocking part (12) is formed by protruding upwards from the bottom wall of the avoidance groove (11).
3. The connector with square hole masking structure according to claim 2, wherein: the clamping block (41) comprises a first side face (42) and a second side face (43), the included angle between the first side face (42) and the bottom face of the plastic block (4) is smaller than the included angle between the second side face (43) and the bottom face of the plastic block (4), the first side face (42) is used for facilitating the clamping block (41) to slide over the blocking portion (12), and the second side face (43) is used for propping against the blocking portion (12).
4. The connector with square hole masking structure according to claim 1, wherein: the two avoidance grooves (11) are respectively arranged on two opposite side edges of the plastic main body (1), and the avoidance grooves (11) are concavely formed from the outer side edge of the plastic main body (1).
5. The connector with square hole masking structure according to claim 4, wherein: the two side cell walls of dodging groove (11) are provided with bellied tie point (13), and tie point (13) are connected in plastic piece (4), and tie point (13) are disconnected with plastic piece (4) when plastic main part (1) are installed in shell (3).
6. The connector with square hole masking structure according to claim 1, wherein: the avoidance groove (11) is provided with a limiting part (14), the limiting part (14) is formed by protruding inwards from the side wall of the avoidance groove (11), and the limiting part (14) is used for resisting the plastic block (4) to limit the plastic block (4).
7. The connector with square hole masking structure according to claim 6, wherein: the side of the plastic block (4) is provided with a step part (44), the step part (44) is concavely arranged downwards from the top surface of the plastic block (4), and the limiting part (14) of the plastic main body (1) is arranged in the shell (3) to prop against the step part (44).
8. The connector with square hole masking structure as defined in claim 7, wherein: the number of the limiting parts (14) and the number of the step parts (44) are at least 2, at least 2 limiting parts (14) are respectively arranged on two groove walls of the avoidance groove (11), and at least 2 step parts (44) are respectively arranged in one-to-one correspondence with at least 2 limiting parts (14).
9. A process for producing a connector having a square hole masking structure as defined in any one of claims 1 to 8, wherein: the preparation process comprises the following steps:
s1: stamping and forming a metal sheet to obtain the terminal (2);
s2: placing the stamped and formed terminal (2) in an injection mold, and performing injection molding on the mold to obtain a plastic main body (1) which is integrally constructed with the terminal (2), wherein plastic blocks (4) are respectively connected to two sides of the plastic main body (1), and avoidance grooves (11) for sliding the plastic blocks (4) are respectively arranged on two sides of the plastic main body (1);
s3: the metal material strip is processed by cold stamping and stretching technology and is processed by stamping and forming to obtain a shell (3);
s4: forcing the plastic block (4) to slide relative to the plastic main body (1) so that the plastic block (4) enters the avoidance groove (11) until the plastic block (4) moves to a position corresponding to the square hole (31) of the shell (3) and then stops moving;
s5: the plastic block (4) is aligned with the surface of the shell (3) provided with the square hole (31), and then the plastic main body (1) and the terminal (2) are integrally installed in the shell (3) to obtain the complete connector.
10. The manufacturing process according to claim 9, characterized in that: in the step S2, the plastic main body (1) is provided with a limiting part (14), and the plastic block (4) is provided with a step part (44);
in the step S4, the plastic block (4) is forced to slide along the avoiding groove (11) until the step part (44) is propped against by the limiting part (14), and the clamping block (41) is clamped into the blocking part (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310289372.XA CN116365281A (en) | 2023-03-22 | 2023-03-22 | Connector with square hole covering structure and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310289372.XA CN116365281A (en) | 2023-03-22 | 2023-03-22 | Connector with square hole covering structure and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116365281A true CN116365281A (en) | 2023-06-30 |
Family
ID=86928195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310289372.XA Pending CN116365281A (en) | 2023-03-22 | 2023-03-22 | Connector with square hole covering structure and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116365281A (en) |
-
2023
- 2023-03-22 CN CN202310289372.XA patent/CN116365281A/en active Pending
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