CN109742602B - Electric connector with anti-retreat guide structure - Google Patents
Electric connector with anti-retreat guide structure Download PDFInfo
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- CN109742602B CN109742602B CN201910002984.XA CN201910002984A CN109742602B CN 109742602 B CN109742602 B CN 109742602B CN 201910002984 A CN201910002984 A CN 201910002984A CN 109742602 B CN109742602 B CN 109742602B
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- end connecting
- operating rod
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- connecting portions
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Abstract
The invention discloses an electric connector with a back-proof guide structure, which comprises: an insulating housing; a plurality of conductive contacts arranged on the insulating housing and partially exposed on the surface of the fitting projection; a conductive housing partially covering the insulating case and provided with a pair of support portions on both sides of the insulating case; an operating lever having an operating portion and a pair of end connecting portions connected to both ends of the operating portion, the end connecting portions being assembled to both ends of the conductive shell so as to face each other, supported by the support portion of the conductive shell, and being rotatable relative to the insulating housing; and a side stopper portion provided at one side end of the support portion and having a stopper surface for preventing the end connecting portion from coming off the support portion in a pull-out direction of the operating lever. The invention effectively solves the problem of preventing the operating rod from being pulled off, has limit guide, prevents the operating rod from generating assembly deviation or deforming the operating rod, and also realizes high-efficiency assembly efficiency.
Description
Technical Field
The present invention relates to an electrical connector having a withdrawal prevention guide structure, and more particularly, to a connector to which a cable or a Flexible Printed Circuit (FPC) is connected to be fitted into a mating connector to be electrically connected.
Background
In recent years, connectors for transmitting high-speed signals (for example, LVDS) are widely used in the industrial field, PC or NB field, and they electrically connect a signal transmission medium composed of a plurality of thin cables, FPC, or the like to a printed circuit board. The electric connector consists of a male connector with the tail part connected with a signal transmission medium and a female connector welded and installed on a printed circuit substrate, then the male connector and the female connector are mutually embedded to realize electric connection, since it is required to maintain the fitting state properly, it is a common practice to provide an operation lever to prevent the male and female heads from being undesirably removed, for example, refer to patent document 1, which discloses a connector device comprising a first connector (i.e. plug connector) on the side of a connection cable and a second connector (i.e. female connector) on the side of a substrate, and provided with an operating lever, the operation lever includes a main body and a pair of end portions connected to both ends of the main body and supported by a pair of support mechanisms of a conductive housing of the first connector, the pair of end portions are rotatable with respect to an insulating housing provided in the first connector, and end portions provided therein are engageable with an engaging portion provided in the support mechanism. When a fitting convex portion (i.e., a second fitting portion) provided in an insulating housing of a first connector and a fitting concave portion (i.e., a first fitting portion) provided in an insulating housing of a second connector are in a mutually fitted state, an operation lever provided in the insulating housing of the first connector is rotated, and a tip portion of an opposite end portion of the operation lever is locked to a locking portion of the support mechanism, so that the tip portion is prevented from coming off from the support mechanism, and the fitting convex portion of the first connector is prevented from coming off from the fitting concave portion of the second connector.
Documents of the prior art
Patent document
Patent document 1: chinese patent publication No. CN 102210067B.
However, due to the limitation of the assembly space of the first connector and the second connector, if there is no guiding structure for limiting in the left-right direction (i.e. pulling-out direction) during the assembly process, the operating rod is prone to be deviated or deformed due to the misalignment of the assembly in the assembly process, and the assembly efficiency of the operating rod is also reduced.
Disclosure of Invention
In view of the problems in the prior art, an object of the present invention is to provide an electrical connector that can be assembled with an operating lever in a pull-out direction, has a limiting and guiding function, and can effectively prevent the operating lever from coming off the connector.
In order to achieve the purpose, the invention adopts the following technical scheme: an electrical connector with a back-proof guide structure, comprising: an insulating housing provided with a fitting projection which can be fitted with the fitting recess of the mating connector in an appropriate fitting direction; a plurality of conductive contacts arranged on the insulating housing and partially exposed on the surface of the fitting projection; a conductive housing partially covering the insulating case and provided with a pair of support portions on both sides of the insulating case; and an operation lever having an operation portion and a pair of end connecting portions connected to both ends of the operation portion, the pair of end connecting portions being assembled to both ends of the conductive shell so as to face each other, supported by the support portion of the conductive shell, and rotatable relative to the insulating housing, the operation portion being engaged with the mating connector by a rotational operation of the operation portion, and a fitting state of the fitting convex portion and the fitting concave portion being stably maintained; the conductive shell further comprises a side stopping part which is at least arranged at one side end of the supporting part and is provided with a stopping surface in the pulling-out direction of the operating rod, and the stopping surface stops the end connecting part from being outwards displaced along the pulling-out direction when the operating rod is subjected to external force, so that the end connecting part is prevented from being pulled out of the supporting part; the side stopping part is in an L-shaped bent arm shape, extends along the direction perpendicular to the pulling-out direction of the operating rod and protrudes outwards beyond the outer edge of the supporting part, the upper end edge of the L-shaped bent arm of the side stopping part is bent outwards in a bending mode and extends to form a limiting guide part, the limiting guide part is provided with an arc-shaped joint surface facing the operating rod, the arc-shaped joint surface is an arc surface larger than 90 degrees, and under the action of the L-shaped bent arm shape and the limiting guide part, the operating rod can be guided and installed in and rotate to a preset position more reliably. Further, the side stop and the support are made of the same metal plate through a stamping process, and the side stop is substantially in an L-shaped bent arm shape and connected to the outer edge of the support.
Furthermore, the L-shaped bending area of the side stopping portion is provided with a plurality of reinforcing ribs, so that the side stopping portion is prevented from deforming or losing the anti-disengagement function when the side stopping portion is subjected to an excessive external force caused by the end connecting portion.
Further, the number of the reinforcing ribs is three, wherein the reinforcing rib positioned at the center has the largest length and extends to the support portion.
Further, the pair of supporting parts are respectively provided with a retaining part for limiting the translation of the pair of end connecting parts along the front-back direction, and the retaining parts are respectively composed of two vertical arms which face each other and extend along the vertical direction.
The conductive shell covers the other part of the surface of the insulating shell opposite to the conductive shell partially, and covers the supporting part and the holding part of the supporting part partially.
Further, the operating rod is formed by bending a small-diameter round rod, the operating rod encloses a roughly rectangular frame, the operating rod is separated from the middle position of the long edge of one side by a certain distance, so that a pair of end connecting parts which are opposite to each other are formed at two ends of the operating rod, the end connecting parts are respectively buckled in an end space formed by the surrounding of the supporting part and the holding part and can rotate relative to the insulating shell, when the end connecting parts are pulled in a first direction from the end space to the side stopping parts of the respective sides, the side stopping parts stop the end connecting parts to prevent the end connecting parts from being separated from the supporting part along the first direction, and the holding parts arranged at two sides of the end connecting parts are limited in the end space.
(effect of the invention)
Compared with the prior art, the two outer sides of the operating part along the pull-out direction are provided with the side stopping parts, and the side stopping parts stop the end connecting parts from outwards moving along the pull-out direction when the operating rod is subjected to external force, so that the end connecting parts are prevented from being pulled out of the supporting part, and the pull-out prevention problem of the operating rod is effectively solved; on the other hand, the side stopping part is provided with the limiting guide part, so that the operating rod is assembled on the connector and has limiting guide, the operating rod is prevented from generating deviation or deforming due to inaccurate assembly alignment, and high-efficiency assembly efficiency is realized.
Drawings
Fig. 1 is a perspective view showing an electrical connector (hereinafter, referred to as an electrical connector) having a withdrawal prevention guide structure according to a preferred embodiment of the present invention and a plurality of cables connected thereto.
Fig. 2 is an enlarged perspective view showing the circle C1 shown in fig. 1.
Fig. 3 is a perspective view showing an operation lever provided in the electrical connector of the present invention of fig. 1 as a single body.
Fig. 4 is a perspective view schematically showing a state where a conductive cover of the electrical connector shown in fig. 1 is removed.
Fig. 5 is an enlarged perspective view showing the circle C2 shown in fig. 4 in an enlarged manner.
Fig. 6 is a perspective view showing a discrete state in which the electrical connector shown in fig. 4 is not coupled to the operation lever.
Fig. 7 is an enlarged perspective view showing the circle C3 shown in fig. 6.
Description of the symbols:
00 electric connector 01 insulating shell 011 tabling convex part
02 conductive contact 03 conductive housing 031 support portion
0311 holding part 04 operating lever 041 operating part
042 end connecting part 032 side stopping part 0321 stopping surface
0322 reinforcing rib 0323 limiting guide part
0323a arc joint surface 05 conductive housing 10 cable
Detailed Description
The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the figures, the size and relative sizes of layers and regions may be exaggerated for clarity. Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.
Herein, the left-right direction refers to an extending direction of the longest side of the electrical connector, the up-down direction refers to a height direction of the electrical connector, and the front-back direction refers to a fitting/removing direction of the connector and the mating connector.
Referring to fig. 1 to 4 and fig. 5 to 7, an electrical connector 00 according to a preferred embodiment of the present invention includes an insulating housing 01 having a fitting protrusion 011 at a front end thereof, a plurality of conductive contacts 02 arranged on the insulating housing 01, a conductive shell 03, an operating rod 04, and a conductive housing 05. The conductive contact 02 is used for transmitting signals, the insulating housing 01 is used for supporting and electrically isolating, the conductive shell 05 and the conductive shell 03 are respectively installed outside the insulating housing 01 from the upper direction and the lower direction for anti-interference shielding, and the operating rod 04 is used for facilitating manual operation when the electric connector 00 is embedded in and pulled out of a counterpart connector (not shown in the figure).
The insulating case 01 is made of a thermoplastic resin, such as Liquid Crystal Polymer (LCP). The insulating substrate 01 may not be a thermoplastic resin, and may be an insulator. The conductive contacts 02 are long conductive terminals made of a metal material (usually, a copper alloy) by a stamping process, are arranged on the insulating housing at a predetermined distance, are exposed on the surface of the fitting protrusion 011 at a portion that needs to be electrically contacted with a conductive contact region (not shown) of the counterpart connector, and are electrically contacted with a corresponding portion of the counterpart connector for signal transmission by the portion exposed on the surface of the fitting protrusion 011 when the fitting protrusion 011 is fitted with the fitting recess (not shown) of the counterpart connector.
Referring again to fig. 1, the conductive shell 03 and the conductive shell 05 are both made of a metal material, the conductive shell 03 is mounted on the lower surface of the insulating housing 01, and the conductive shell 05 is mounted on the upper surface of the insulating housing 01 (i.e., another part of the surface of the insulating housing opposite to the conductive shell), and the conductive shell 03 and the conductive shell 05 are fixed together by snap-and-projection interference.
As shown in fig. 3, the operating lever 04 is formed by bending a small-diameter round bar, encloses a substantially rectangular frame, is made of metal, and includes an operating portion 041 and a pair of end connecting portions 042 connected to both ends of the operating portion, and is broken at a distance at a middle position of one long side to form a pair of end connecting portions 042 opposite to each other at both ends, and a portion of the other long side, which is not broken at the middle position, is the operating portion 041. In use, the operating lever 04 is rotated to engage the operating portion 041 with a mating connector (not shown), and the engagement state between the engagement convex portion and the engagement concave portion is firmly maintained (not shown since it is not a technical point to be disclosed by the present invention).
Referring to fig. 4 and 5 in combination with fig. 1 and 2, the conductive shell 03 is made of a metal plate material by a stamping process, the conductive shell 03 covers the insulating housing 01 with a middle portion thereof, a pair of supporting portions 031 are provided at left and right sides of the insulating housing 01, and a side stopper 032 having an approximately L-shaped bent arm shape integrally connected to each supporting portion 031 is provided at an outer edge of each supporting portion 031. The supporting portion 031 is used for providing support for the operating rod 04, the supporting portion 031 is provided with a holding portion 0311, which is formed by extending a part of front and rear side edges of the supporting portion 031 in a vertical direction to form vertical arms facing each other, a part of the conductive housing 05 covers the supporting portion 031 and the holding portion 0311 to form an end space in a surrounding manner, and end connecting portions 042 of the operating rod are respectively hooked in the end space and can rotate relative to the insulating housing 01 (refer to fig. 1 and refer to fig. 2), so that the operating rod 04 can be rotated. The two standing arms of the holding portion 0311 are separated from the front and rear sides of the end connection 042 and maintain a predetermined relative gap, thereby defining the translation of the end connection 042 in the front-rear direction.
As shown in fig. 4 and 5, and fig. 1 and 2, the side stopper 032 is used to limit the operation lever 04 in the pulling-out direction of the operation lever 04, so as to prevent the operation lever 04 from being released after the electric connector 00 is fitted to the mating connector and inserted, which affects the effect and reliability of the electric connection. Specifically, the side blocking portion 032 is provided with a blocking surface 0321 in the pulling-out direction of the operating rod 04, and when the end connecting portion 042 is pulled as a whole in a first direction from the end space toward the side blocking portion 032 on the respective side, at this time, the operating rod 04 receives a strong external force, and the blocking surface 0321 blocks the end connecting portion 042 from being displaced outward in the first direction (or pulling-out direction), so that the end connecting portion 042 is prevented from being pulled out of the supporting portion 031.
Further, referring to fig. 5 in combination with fig. 4, in order to reinforce the structural strength of the side stopper 032 and improve the resistance of the stop surface 0321 to the external force transmitted from the operating rod, a plurality of reinforcing ribs 0322 are provided in the L-shaped bent region of the side stopper, and from the viewpoint of the balance between miniaturization and the structural strength, the number of the reinforcing ribs is three, and the central reinforcing rib has the largest length and extends to the supporting portion 031, so that the side stopper 032 is prevented from being deformed or failing to prevent the disengagement function when the external force is too large by the end connecting portion 042 with the largest possible resistance.
Further, referring to fig. 6 and 7 in combination with fig. 4 and 5, an upper end edge of the L-shaped bent arm of each side stopper 032 is bent outward and extends to form a limiting guide 0323, and the limiting guide 0323 has an arc-shaped engaging surface 0323a facing the operating rod for guiding the operating rod 04 to be inserted into a predetermined position of the supporting portion 031 when the end connecting portion 042 of the operating rod is inserted into the conductive housing 03.
As can be seen from the above description, the main process of assembling the operating rod 04 into the electrical connector 00 is to first place the end connecting portions 042 at the two ends of the operating rod on the upper portions of the retaining portions 0311 of the corresponding supporting portions 031 (refer to fig. 6 and 7), and then force each end connecting portion 042 into the corresponding retaining portion 0311 (refer to fig. 5 and 6), during which the outer side of the end connecting portion 042 is easily slid into a predetermined position in the retaining portion 0311 by the guiding force of the arc-shaped engaging surface 0323 a. When the operation rod 04 is assembled into the electrical connector 00, the end connecting portions 042 are respectively hooked in the end space and protected from both ends by the side blocking portions 032, and the operation rod can only rotate relative to the insulating housing 01 and cannot be released from both ends.
According to the technical scheme, the manufacturing method is simple and convenient, the problem of pull-off prevention of the operating rod is effectively solved, the operating rod is assembled in a limiting and guiding mode, deviation or deformation of the operating rod due to inaccurate assembly alignment of the operating rod is prevented, high-efficiency assembly efficiency is achieved, and product reliability is improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. An electrical connector with a back-proof guide structure, comprising:
an insulating housing provided with a fitting projection which can be fitted with the fitting recess of the mating connector in an appropriate fitting direction;
a plurality of conductive contacts arranged on the insulating housing and partially exposed on the surface of the fitting projection;
a conductive housing partially covering the insulating case and provided with a pair of support portions on both sides of the insulating case;
and an operation lever having an operation portion and a pair of end connecting portions connected to both ends of the operation portion, the pair of end connecting portions being assembled to both ends of the conductive shell so as to face each other, supported by the support portion of the conductive shell, and rotatable relative to the insulating housing, the operation portion being engaged with the mating connector by a rotational operation of the operation portion, and a fitting state of the fitting convex portion and the fitting concave portion being stably maintained;
the conductive shell further comprises a side stopping part which is at least arranged at one side end of the supporting part and is provided with a stopping surface in a pulling-out direction set by the direction of the operating rod pushing the side stopping part along the end connecting part, and the stopping surface stops the end connecting part from outwards displacing along the pulling-out direction when the operating rod is subjected to external force, so that the end connecting part is prevented from being pulled out of the supporting part;
the side stopping part is in an L-shaped bent arm shape, extends along the direction perpendicular to the pulling-out direction of the operating rod and protrudes outwards beyond the outer edge of the supporting part, the upper end edge of the L-shaped bent arm of the side stopping part is bent outwards in a bending mode and extends to form a limiting guide part, the limiting guide part is provided with an arc-shaped joint surface facing the operating rod, the arc-shaped joint surface is an arc surface larger than 90 degrees, and under the action of the L-shaped bent arm shape and the limiting guide part, the operating rod can be guided and installed in and rotate to a preset position more reliably.
2. The electrical connector with anti-backing guide structure as claimed in claim 1, wherein the side stop and the support are made of the same metal plate by stamping process, and the side stop is substantially in the shape of L-shaped bent arm and connected to the outer edge of the support.
3. The electrical connector of claim 2, wherein the L-shaped bent region of the side-blocking portion has a plurality of reinforcing ribs to prevent the side-blocking portion from deforming or failing to prevent the side-blocking portion from being pulled out by an external force from the end connecting portion.
4. The electrical connector with anti-receding guide structure according to claim 3, wherein the number of the reinforcing ribs is three, and the reinforcing rib located at the center has the largest length and extends to the supporting portion.
5. The electrical connector with the anti-receding guide structure according to any one of claims 1 to 4, wherein the pair of supporting portions are respectively provided with a holding portion for limiting the translation of the pair of end connecting portions in the front-rear direction, and the holding portion is respectively composed of two vertical arms extending in the vertical direction and facing each other.
6. The electrical connector with anti-receding guide structure according to claim 5, further comprising a conductive cover partially covering another surface of the insulating housing opposite to the conductive shell and partially covering the supporting portion and the holding portion thereof.
7. The electrical connector with a reverse-movement preventing guide structure as claimed in claim 6, wherein the operating lever is formed by bending a round bar having a small diameter to form a substantially rectangular frame, and is separated from a central position of a long side of one side by a distance to form a pair of end connecting portions at both ends thereof, the end connecting portions are respectively hooked in an end space formed by the supporting portion and the holding portion and are rotatable with respect to the insulating housing, and when the pair of end connecting portions are pulled in a first direction from the end space toward side stoppers on respective sides thereof as a whole, the side stoppers prevent the end connecting portions from coming off from the supporting portion in the first direction and the holding portions disposed on both sides of the end connecting portions are retained in the end space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002984.XA CN109742602B (en) | 2019-01-03 | 2019-01-03 | Electric connector with anti-retreat guide structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002984.XA CN109742602B (en) | 2019-01-03 | 2019-01-03 | Electric connector with anti-retreat guide structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109742602A CN109742602A (en) | 2019-05-10 |
| CN109742602B true CN109742602B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910002984.XA Active CN109742602B (en) | 2019-01-03 | 2019-01-03 | Electric connector with anti-retreat guide structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI787993B (en) * | 2021-09-06 | 2022-12-21 | 禾昌興業股份有限公司 | Thin type lock and unlock connector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735702A (en) * | 1995-04-07 | 1998-04-07 | Sumitomo Wiring Systems, Ltd. | Lever type connector |
| CN2788400Y (en) * | 2005-04-12 | 2006-06-14 | 东莞长安乌沙联基电业制品厂 | Multi-media video frequency connector |
| JP4515516B2 (en) * | 2008-09-09 | 2010-08-04 | 株式会社アイペックス | Connector device |
| CN202712587U (en) * | 2012-06-11 | 2013-01-30 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN107134688B (en) * | 2017-01-23 | 2019-06-18 | 番禺得意精密电子工业有限公司 | Electric connector |
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2019
- 2019-01-03 CN CN201910002984.XA patent/CN109742602B/en active Active
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| CN109742602A (en) | 2019-05-10 |
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