JP4045151B2 - Plug type connector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a plug-type connector, and more particularly, to a plug-type connector in which a protruding portion of a housing is provided with a contact portion that contacts an electrode of a mating connector.
[0002]
[Prior art]
Conventionally, in this type of plug-type connector, the protruding portion having the contact portion is exposed, and dust or the like is likely to adhere to the contact portion (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
JP-A-5-144519 [0004]
[Problems to be solved by the invention]
However, in the conventional plug-type connector, when the protruding portion is inserted into a jack-type connector which is a counterpart, dust or the like adhering to the contact portion is pushed into the jack-type connector. Therefore, even if the jack connector is equipped with a shutter as a dust-proof measure, dust pushed in together with the contacts will accumulate inside the jack-type connector, so the dust-proof action exhibited by the shutter when not in use Not only was the significance weakened, but dust and the like could adhere to the electrode, resulting in poor contact.
[0005]
The present invention has been made under the above circumstances, and by enabling the contact portion to be dust-proof when the plug-type connector is not used, the contact portion to be inserted into the mating jack-type connector is provided. The purpose is to suppress the adhesion of dust.
It is another object of the present invention to provide a plug-type connector that does not impair operability when plugged into a jack-type connector even if the contact portion is dust-proof.
[0006]
Furthermore, an object of the present invention is to provide a plug-type connector that does not impair assemblability even if measures are taken to protect the contact portion from dust.
[0007]
Furthermore, an object of the present invention is to provide a plug-type connector that can be easily inserted and removed with respect to a jack-type connector.
[0008]
[Means for Solving the Problems]
Plug-type connector according to the present invention, the housing containing the contact piece member, features a protruding portion to be inserted into mating connector, on its protruding portions, the contact of the contact piece member to be contacted with the electrodes of the counterpart connector In the plug-type connector in which the portion is provided, the movable cover can be moved back and forth in the front-rear direction between a protruding position that covers the contact portion provided portion of the protruding portion and a backward retracted position on the housing. The movable cover is provided with a receiving portion that is pressed against the mating connector as the projecting portion is inserted into the mating connector, and the contact portion is connected to the projecting portion of the projecting portion. When protruding from one side only on one side and a twisting force is applied between the plug-type connector and the mating connector, But it characterized in that it is formed into a convex curved shape acting by sliding the lip of the receptacle of the mating connector fitted to the protruding portion so as to come off the mating connector from the projecting portion.
The movable cover is attached to the housing in a state in which the movable cover is always urged toward the projecting position so that the projecting position can be moved back and forth between the projecting position that covers the location where the projecting portion of the projecting part is disposed and the retracted position behind the projecting position. Since the movable cover is provided with a receiving portion that is pressed against the mating connector as the projecting portion is inserted into the mating connector, the movable cover is disposed at the projecting position when not in use. Cover the area to prevent dust from adhering to the contacts. Further, when the protruding portion is inserted into the mating connector in use, the mating connector hits the receiving portion of the movable cover and the movable cover is pushed to the retracted position. Therefore, the contact portion provided in the protruding portion comes into contact with the electrode of the mating connector to make electrical connection.
In addition, when the contact portion is protruded in a mountain shape from one side only on one side of the protrusion, and when a twisting force is applied between the plug connector and the mating connector, the other surface of the protrusion is Since it is configured to have a convex curve shape that acts to slide the mating connector's insertion port of the mating connector into the projecting portion so that the mating connector comes out of the projecting portion, the projecting portion is inserted. When pulling out from the projecting portion of the mating connector, the other surface of the projecting portion can be slid out by the lip of the insertion port of the mating connector. For this reason, the force required for extraction is smaller than in the case where the protruding portion is pulled straight and extracted, and the extraction operation can be easily performed. Also, when a twisting force is applied, the other side of the protruding part slides at the edge of the mating connector insertion port and the protruding part is detached from the mating connector, preventing the mating connector or the projecting part from being damaged. The effect that it is done is also demonstrated.
[0009]
In the present invention, guide portions extending in the front-rear direction are provided at both lateral end portions of the projecting portion formed in the horizontally long shape, and sliding piece portions that are guided by these guide portions and are slidable in the front-back direction are horizontally long. It is desirable that the movable cover is continuously urged toward the projecting position by a pair of left and right spring bodies arranged at both lateral ends of the housing. According to this, the sliding piece portion prevents the movable cover from being inclined when the movable cover is moved in and out in the front-rear direction. Therefore, when the protruding portion is inserted into the mating connector, the movable cover is smoothly retracted without being tilted, and the operability is maintained well. This action is provided with a guide groove extending in the front-rear direction on the projecting portion, and a long rib in the front-rear direction guided in the guide groove and movable in the front-rear direction is provided in the movable cover. By adopting the configuration, it is more prominent.
[0010]
In the present invention, the spring body is a coil spring, and one end of the coil spring is supported by a spring receiving seat provided in the housing, and a portion where the spring receiving seat is formed is surrounded by the coil spring. A rod-shaped jig that is inserted into the coil spring that is inserted into the housing from the front side of the housing when the coil spring is assembled and supports the coil spring at an appropriate assembly location. It is desirable to have a hole that can be inserted. According to this, even in the case of an ultra-small plug-type connector, the coil spring that urges the movable cover toward the protruding position can be reliably and easily assembled in a narrow space in the housing. Can do.
[0011]
In the present invention, the housing is divided into a base having the projecting portion and a cover attached to the base, and the contact piece member includes a falling portion superimposed on a rear surface of the base and a lower end of the falling portion. It is preferable that the cover has a pressing surface for pressing the falling portion of the contact piece member against the rear surface of the base. According to this, since the falling part of the contact piece member is sandwiched between the rear surface of the base and the pressing surface of the cover, even if the contact piece member is fixed to the base in the press-fitted state, the length of the press-fitted portion is increased. By shortening the length, it is possible to perform reliable mounting, and assemblability is improved accordingly.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
1 is an external perspective view showing an embodiment of a plug-type connector according to the present invention, FIG. 2 is an external perspective view of a base 3 having a contact piece member 2, and FIG. 3 is an internal structure of the plug-type connector of FIG. 4 is a perspective sectional view for explaining, FIG. 4 is a plan view of the plug-type connector in a non-use state shown with the cover removed, and FIG. 5 is taken along line V-V in FIG. 4 with the cover 5 attached. FIG. 6 is a plan view of the plug-type connector in the state of use shown with the cover 5 removed, FIG. 7 is a view taken along arrow VI of FIG. 6 with the cover 5 attached, and FIG. FIG. 9 is a fragmentary cross-sectional view for explaining the operation.
[0013]
As shown in FIG. 1 or FIG. 2, the plug-type connector includes a housing 1 that houses a large number of contact piece members 2 arranged side by side, and a movable cover 6 that is assembled to the housing 1. The housing 1 is divided into a base 3 and a cover 5.
[0014]
As shown in FIG. 2 or FIG. 3, the base 3 includes a main portion 31 having a substantially rectangular shape in plan view and a horizontally long projecting portion 32 extending forward from the main portion 31, and is parallel to the side by side. A large number of formed grooves 33 and slits 34 communicating with the grooves 33 are provided. Then, the contact piece member 2 inserted into each slit 34 is accommodated in the groove portion 33 so as not to move in the lateral direction. As shown in FIG. 3 , the contact piece member 2 has a mountain-shaped contact portion 21 at the front end, and the contact portion 21 protrudes from the one surface 35 only on one surface side of the protruding portion 32. Further, as shown in FIG. 2, the contact piece member 2 is provided with an S-shaped meandering portion 22 in the middle portion, and the flexibility is enhanced by the meandering portion 22. Further, the meandering portion 22 is provided with a wide plate piece-like falling portion 23 and a terminal portion 24 connected to the lower end of the falling portion 23. The falling portion 23 is press-fitted into the slit 34 formed for each piece member on the base 3 and is superimposed on the rear surface 36 of the base 3, and the falling portion 23 is the upper and lower groove wall surfaces 37 of the slit 34. , 38. In this way, since the falling part 23 is positioned at the top, bottom, and front three positions, the area of the bulged crimping part 39 that needs to be formed on the falling part 23 is reduced to improve the press-fitting workability. It becomes possible. In this embodiment, the rear surface 36 of the base 3 on which the falling portions 23 are overlapped corresponds to a stepped surface formed in a slit formed in the main portion 31 of the base 3 for each contact member.
[0015]
As shown in FIG. 1 or 3, the cover 5 includes an upper wall portion 51 that overlaps the main portion 31 (see FIG. 2) of the base 3, and left and right side wall portions that are continuously provided on both lateral sides of the upper wall portion 51. 52, and a back wall portion 53 connected to the rear end of the upper wall portion 51. Then, the engagement holes 54 formed in the respective side wall portions 52 are coupled to the base 3 by engaging with the engagement protrusions 41 provided on the left and right side surfaces of the main portion 31 of the base 3. In the state, the pressing surface 55 formed by the inner surface of the back wall portion 53 presses the falling portion 23 against the rear surface 36 of the base. As a result, the positioning and fixing of the falling portion 23 is further ensured. The terminal portion 24 protrudes rearward from the lower side of the back wall portion 53 of the cover 5.
[0016]
As shown in FIG. 5 or FIG. 7, the protruding portion 32 of the base 3 protrudes to the front side from the front end of the upper wall 51 of the cover 5, and the protruding portion 32 is opened and closed by the movable cover 6. Yes.
[0017]
As shown in FIG. 1 or FIG. 5, the movable cover 6 is formed in a horizontally long shape, and groove-shaped slide pieces 61, 61 connected to the left and right ends of the movable cover 6 are projected from the base 3. The guide portions 42 and 42 extending in the front-rear direction provided at both ends in the lateral direction of the portion 32 are fitted to be slidable in the front-rear direction. Also, ribs 43 that are long in the front-rear direction provided at the left and right ends of the movable cover 6 are fitted in guide grooves 44 extending in the front-rear direction provided on one side of the left and right ends of the protrusion 32 so as to be movable in the front-rear direction. Are combined. Further, a pair of left and right protrusions 45, 45 are provided on the upper surface of the movable cover 6, and these protrusions 45, 45 are formed in the longitudinally long grooves 56, 56 formed on the inner surface of the upper wall part 51 of the cover 5. It is movably fitted. Therefore, the movable cover 6 can move in the front-rear direction as the sliding piece 61 and the rib 43 are guided by the guide 42 and the guide groove 44 within a range regulated by the length of the groove 56 on the cover 5 side. It is. In this embodiment, the movable cover 6 can be moved back and forth between the protruding position shown in FIG. 4 or FIG. 5 and the retracted position shown in FIG. 6 or FIG. The cover 6 covers the contact portion 21 to prevent dust and the like from adhering to the contact portion 21, and the contact portion 21 is exposed on one side of the protruding portion 32 in the retracted position.
[0018]
As shown in FIG. 2 or FIG. 5, the spring bodies 8 made of coil springs are respectively provided in the left and right recesses 46 provided in the main portion 31 of the base 3, and one end of the spring body 8 is located at the recess 46. It is supported by a spring seat 48 formed on the inner surface of the rear wall 47. In addition, a hole portion 49 is formed at a location where the spring seat 48 is formed so as to communicate with the surrounding space surrounded by the coil spring forming the spring body 8. The hole 49 is provided for inserting a rod-shaped jig (not shown) that supports the spring body 8 at an appropriate assembly position when the spring body 8 is assembled to the recess 46. For example, after the cover 5 is attached to the base 3, the spring body 8 is fitted from the front into a rod-shaped jig inserted through the hole 71 from the rear of the base 3, and the spring body 8 is set to an appropriate assembly location. If a procedure is adopted in which the movable cover 6 is attached by fitting the sliding piece portion 61 of the movable cover 6 into the guide portion 42 from the front and fitting the projection 45 into the hole portion 56 in that state. Even with an ultra-small plug-type connector, there is an advantage that the operation of assembling the spring body 8 in the narrow space between the base 3 and the cover 5 can be performed accurately and quickly. When the movable cover 6 is assembled in such a procedure, the movable cover 6 is appropriately biased forward by the left and right spring bodies 8, 8, and the movable cover 6 is smoothly smoothed by the sliding piece 61 and the rib 43. Will be guided in the front-rear direction. Therefore, a situation in which the movable cover 6 tilts when moving in the front-rear direction and the smoothness of the movement does not occur does not occur.
[0019]
Next, as shown in FIG. 5 or FIG. 7, the protrusion 32 of the base 3 is thinner toward the tip due to the other surface 30 being formed in a convex curve. The reason why the other surface 30 is formed in a convex curved shape in this way is to make it easier for the mating connector to come out of the protruding portion 32.
[0020]
In the plug-type connector of this embodiment, when the protruding portion 32 is inserted into the insertion port 110 of the jack-type connector 100 as the counterpart connector as shown in FIG. 8, the counterpart connector 100 is moved to FIG. The receiving portion 62 formed on the front surface of the movable cover 6 shown in the figure is pushed to move the movable cover 6 back to the retracted position against the bias of the spring body 8. When the protruding portion 32 is thus inserted into the jack connector 100, the contact portion 21 is elastically contacted with the electrode 120 on the jack connector 100 side, and electrical connection is made. In this case, before the protrusion 32 is inserted into the jack connector 100, the contact portion 21 is covered with the movable cover 6 as shown in FIGS. For this reason, when the protruding portion 32 is inserted into the jack-type connector 100, it is unlikely that dust or the like adhering to the contact portion 21 will be pushed into the jack-type connector 100.
[0021]
Further, in the state where the protruding portion 32 is inserted into the jack-type connector 100, when the insertion location is twisted, the other surface 30 of the protruding portion 32 is connected to the insertion port 110 of the jack-type connector 100 as shown in FIG. 9. The protruding portion 32 slips off from the jack connector 100 by sliding as shown by an arrow at the lip. This action prevents the jack type connector 100, the protrusion 32, and the like from being damaged. Further, when the protruding portion 32 is extracted from the jack-type connector 100 into which the protruding portion 32 is inserted, the other surface 30 of the protruding portion 32 can be slid and extracted at the edge of the insertion port 110 of the jack-type connector 100. . By doing so, the force required for extraction can be reduced as compared with the case where the protrusion 32 is pulled straight and extracted, and the extraction operation can be easily performed. 8 and 9, reference numeral 130 denotes a dustproof shutter for a jack-type connector.
[0022]
In addition, when the protrusion part 32 is extracted from the jack-type connector 100, the movable cover 6 urged | biased by the spring body 8 will return to a protrusion position in connection with it.
[0023]
【The invention's effect】
As described above, according to the present invention, since the movable cover dust-proofs the contact portion when the plug-type connector is not used, when the plug-type connector is connected to the mating jack-type connector, it adheres to the contact portion. Connection failure caused by dust or the like is less likely to occur. In spite of the fact that the contact portion can be dust-proofed by the movable cover, the operability at the time of attachment / detachment is impaired because the movable cover is pushed back by the jack-type connector when inserted into the jack-type connector. There is no. Furthermore, it becomes possible to improve the assemblability of the spring body using a rod-shaped jig. Furthermore, not only can the jack-type connector be easily inserted / removed easily, but if the connecting parts of both connectors are twisted, the protruding part can be easily removed from the jack-type connector and damaged. The effect of being prevented is obtained.
[Brief description of the drawings]
FIG. 1 is an external perspective view showing an embodiment of a plug-type connector according to the present invention.
FIG. 2 is an external perspective view of a base provided with a contact piece member.
3 is a perspective cross-sectional view for explaining the internal structure of the plug-type connector of FIG. 1. FIG.
FIG. 4 is a plan view of the plug-type connector in a non-use state shown with a cover removed.
5 is a cross-sectional view of a portion along line VV in FIG. 4 with a cover attached. FIG.
FIG. 6 is a plan view of the plug-type connector in a use state with a cover removed.
7 is a view taken along arrow VI of FIG. 6 with a cover attached.
FIG. 8 is a cross-sectional view of a main part in a use state.
FIG. 9 is a cross-sectional view of a main part for explaining the operation.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Housing 2 Contact piece member 3 Base 5 Cover 6 Movable cover 8 Spring body (coil spring)
DESCRIPTION OF SYMBOLS 21 Contact part 23 Falling part 24 Terminal part 30 The other surface of a protrusion part 32 Projection part 35 One side of a protrusion part 36 The rear surface of a base 42 Guide part 43 Rib 44 Guide groove 48 Spring receiving seat 49 Hole part 55 Pressing face 61 Sliding piece 62 Receiving part 100 Mating connector (jack type connector)
110 insertion port 120 electrode

Claims (5)

In a plug-type connector in which a housing for accommodating a contact piece member is provided with a protruding portion to be inserted into the mating connector, and the protruding portion is provided with a contact portion of the above-mentioned piece member that is in contact with the electrode of the mating connector ,
The movable cover is attached to the housing in a state in which the movable cover is always urged toward the projecting position so that the projecting position can be moved back and forth between the projecting position that covers the location where the projecting portion of the projecting part is disposed and the retracted position behind the projecting position. is, in its movable cover, Ri receiving portion which is pressed against its counterpart connector along with the insertion of the said projecting portions to the counterpart connector Sonawa,
When the contact portion protrudes in a chevron shape from only one side of the protruding portion and a twisting force is applied between the plug-type connector and the mating connector, the other surface of the protruding portion A plug-type connector, characterized in that it is formed in a convex curve shape that acts to slide the lip of the insertion port of the mating connector fitted into the part so that the mating connector is pulled out of the protruding portion .   The movable cover is provided with a guide portion extending in the front-rear direction at each of both lateral end portions of the projecting portion formed in a horizontally long shape, and a sliding piece that is guided by the guide portions and is slidable in the front-rear direction. The plug-type connector according to claim 1, wherein the movable cover is continuously urged toward the projecting position by a pair of left and right spring bodies disposed at each of both lateral ends of the housing. .   3. The movable cover is provided with a guide groove extending in the front-rear direction on the projecting portion, and a long rib in the front-rear direction guided in the guide groove and movable in the front-rear direction in the guide groove. Plug type connector.   The spring body is a coil spring, and one end of the coil spring is supported by a spring receiving seat provided in the housing, and a surrounding space surrounded by the coil spring is formed at a position where the spring receiving seat is formed. It is possible to insert a rod-shaped jig that is inserted into the coil spring inserted into the housing from the front side of the housing when the coil spring is assembled and supports the coil spring at an appropriate assembly position. The plug-type connector according to claim 2, wherein a hole is formed. The housing is divided into a base having the projecting portion and a cover attached to the base, and the contact piece member is connected to a falling portion superimposed on a rear surface of the base and a lower end of the falling portion. It was with and a terminal portion, to the cover, wherein the said start-down portion of the contact piece member to any one of claims 1 to 4 pressing surface for pressing the rear surface of the base is provided Plug type connector.

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