JPH09312178A - Cable connector lock mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure contact between contacts of each of a cable connector and a receptacle without floating from the receptacle even if the cable connector is strongly pulled down. SOLUTION: While a fixing screw 2 is loosened, a thick diameter part 21 of the fixing screw 2 is engaged with a release hole 12 on the top of a slide lock plate 1. Since the center axes of the release hole 12 and the fixing hole 13 are shifted each other, when the screwing part 22 is spirally engaged with a fixing screw hole 32 by turning the fixing screw 2, the thick diameter part 21 is inserted into the fixing hole 13 and a slide lock plate 1 is moved down. By downward movement of the slide lock plate, a lock hole 11 moves down, a shaft part of a lock pin 31 and a shaft part engagement hole of the lock hole 11 are engaged with each other, and the lower part of the slide lock plate 1 is fixed by means of the lock pin 31 and the lock hole 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock mechanism for a cable connector, and more particularly to a mechanism for locking a right angle cable connector used in a computer device in a receptacle.

[0002]

2. Description of the Related Art Conventionally, in a right angle cable connector, as shown in FIG. 5, a cable 5 extends obliquely from a connector shell cover 4, and a fitting portion (contact) in this connector shell cover 4 (see FIG. An electronic device (not shown) to which the receptacle 8 is attached is electrically connected to the cable 5 by fitting a fitting portion (contact) 82 of the receptacle 8 to the electronic device (not shown).

After that, by rotating the knob 72 of the fixing screw 7 attached to the connector shell cover 4,
The screw portion 71 of the fixing screw 7 is screwed into the fixing screw hole 81 of the receptacle 8 to lock the right angle cable connector to the receptacle 8.

[0004]

SUMMARY OF THE INVENTION In the conventional locking mechanism for a receptacle of a right angle cable connector described above, the upper part of the cable connector is locked to the receptacle by screwing a fixing screw into a fixing screw hole of the receptacle. ing.

However, even if the lower portion of the cable connector is fixed to the receptacle with a screw or the like, it cannot be fixed to the receptacle because it is obstructed by the cable. Therefore, if the cable connector locked to the receptacle is strongly pulled downward, There is a risk that the contacts of the cable connector and the receptacle cannot be secured from each other.

Therefore, an object of the present invention is to solve the above problems and to secure the contact between the contacts of the cable connector and the receptacle without floating from the receptacle even if the cable connector is strongly pulled downward. (EN) Provided is a lock mechanism for a cable connector.

[0007]

SUMMARY OF THE INVENTION A lock mechanism for a cable connector according to the present invention electrically connects the cable to the electronic device by fitting the connector electrically connected to the cable and attached to the electronic device. A lock mechanism for a cable connector to be connected, comprising: a lock plate provided on the cable connector and abutting the connector; a fixing screw hole provided on the connector for fixing the cable connector; A projection member provided on the connector and locking the lock plate;
A fixing screw provided on the cable connector and screwed into the fixing screw hole, and the lock plate provided on the shaft portion of the fixing screw and interlocking with the rotation of the fixing screw to cause the lock plate to project. And a moving member that moves to a hooking position.

In addition to the above structure, a lock mechanism for another cable connector according to the present invention has a head fitting hole and a shaft which are provided on the lock plate and fit into the head and the shaft of the protruding member. A lock hole formed by connecting the part fitting holes, and the lock plate is moved by the moving member that is interlocked with the rotation of the fixing screw so that the shaft part of the protruding member moves from the head fitting hole. It is adapted to move to the shaft fitting hole.

In addition to the above structure, a lock mechanism for another cable connector according to the present invention comprises a fitting groove provided in the protruding member and into which the lower end of the lock plate is fitted, The lock plate is moved by the moving member that is interlocked with the rotation so that the lower end of the lock plate is fitted into the fitting groove.

According to another aspect of the present invention, there is provided a lock mechanism for a cable connector, wherein the moving member is provided on the same axis as the shaft portion of the fixing screw and has a diameter of the shaft portion of the fixing screw. A larger diameter than the first large diameter portion, and a first large diameter portion that is provided on an axis different from the shaft portion of the fixing screw in the outer circumference of the first large diameter portion and that is larger than the diameter of the first large diameter portion. A second large-diameter portion having a small diameter, and a shaft portion of the fixing screw and an axis different from the second large-diameter portion in the outer circumference of the first large-diameter portion and provided on the second large-diameter portion. A first fitting hole into which the first large-diameter portion fits, and a third large-diameter portion having the same diameter as the diameter of the diameter portion, and the first fitting hole. A second fitting hole which is provided on a different shaft and into which the first large diameter portion is fitted, and is interlocked with the rotation of the fixing screw. Wherein the outer periphery of the serial second large diameter section first
The first large diameter portion is fitted into the first fitting hole by the contacting operation with the fitting hole and the contacting operation between the outer circumference of the third large diameter portion and the second fitting hole. The state of being fitted is shifted to the state of being fitted in the second fitting hole.

[0011]

First, the operation of the present invention will be described below.

The screw portion of the fixing screw is screwed into the fixing screw hole of the receptacle through the release hole and the fixing hole of the slide lock plate to fix the upper portion of the cable connector, and in conjunction with the rotation of the fixing screw. The slide lock plate is moved downward by the large diameter portion of the fixing screw and the release hole and the fixing hole, and the lower portion of the slide lock plate is hooked on the protrusion (lock pin or lock claw) of the receptacle.

As a result, even if the cable connector is strongly pulled downward, it does not float from the receptacle, so that it is possible to ensure contact between the contacts of the cable connector and the receptacle.

Next, embodiments of the present invention will be described with reference to the drawings. 1 is an exploded perspective view of an embodiment of the present invention, FIG. 2 is an external perspective view of the embodiment of the present invention, and FIG. 3 is a partially enlarged view of the embodiment of the present invention. FIG. 3 (a)
Shows a state in which the fixing screw 2 is screwed into the fixing screw hole 32 of the receptacle 3, and FIG. 3B shows the plane of the large diameter portion 21 of the fixing screw 2.

In these figures, a cable connector according to an embodiment of the present invention comprises a slide lock plate 1,
It is composed of a fixing screw 2, a connector shell cover 4, and a cable 5, and a fitting portion (contact) (not shown) in the connector shell cover 4 is fitted to a fitting portion (contact) 32 of the receptacle 3. By fitting, the electronic device (not shown) to which the receptacle 3 is attached and the cable 5 are electrically connected.

The lock hole 1 is formed in the slide lock plate 1.
1, a release hole 12, a fixing hole 13, and a through hole 14 are provided, and the fixing screw 2 has a large diameter portion 21, a screw portion 22,
A knob 23 is provided. Also, the receptacle 3
Includes a lock pin 31, a fitting portion 32, and a fixing screw hole 3
2 and are provided.

Lock hole 11 of slide lock plate 1
Has a keyhole shape in which a head fitting hole into which the head of the lock pin 31 of the receptacle 3 is fitted and a shaft fitting hole into which the shaft portion is fitted are connected. Here, the diameter of the head portion of the lock pin 31 is larger than the diameter of the shaft portion.

The release hole 12 and the fixing hole 13 are provided so that their central axes are at mutually different positions, and the through hole 14 is a hole for penetrating the fitting portion in the connector shell cover 4.

The large diameter portion 21 of the fixing screw 2 is composed of a first large diameter portion 21a, a second large diameter portion 21b and a third large diameter portion 21c. The first large-diameter portion 21a has a diameter larger than the diameter of the shaft portion of the fixing screw 2, and is provided on the same axis as the shaft portion of the fixing screw 2.

The second large-diameter portion 21b is the first large-diameter portion 21a.
Is provided on a shaft different from the shaft portion of the fixing screw 2 so as to be in contact with the outer periphery of the first large diameter portion 21a on the knob 23 side, and has a diameter smaller than the diameter of the first large diameter portion 21a. There is.

The third large diameter portion 21c is the first large diameter portion 21a.
On the receptacle 3 side, the shaft portion of the fixing screw 2 and the first large diameter portion 21a are in contact with the outer circumference of the first large diameter portion 21a.
It is provided on a different axis and has the same diameter as the diameter of the second large diameter portion 21b.

That is, the first large-diameter portion 21a, the second large-diameter portion 21b, and the third large-diameter portion 21c are arranged such that their centers are aligned in a straight line. Is a thin portion (a portion of the second large-diameter portion 21b or the third large-diameter portion 21c that is close to the center of the first large-diameter portion 21a) to a thick portion (an outer peripheral portion of the first large-diameter portion 21a). 3) is gradually thickened in a spiral shape [see FIG. 3 (b)]. The second large-diameter portion 21b and the third large-diameter portion 21c of the large-diameter portion 21 are spirally thick from the vicinity of the center of the first large-diameter portion 21a toward the outer circumference even if their cross sections are not circular. Any shape may be used.

The operation of one embodiment of the present invention will be described with reference to FIGS. Slide lock plate 1
In the upper part of the hole, a release hole 12 through which a fixing screw 2 passes and a fixing hole 1
When the fixing screw 2 is loose, the first large-diameter portion 21 a of the fixing screw 2 is fitted in the release hole 12.

At this time, the lock pin 31 has the lock hole 11
Since it is in the head fitting hole, the cable connector can be freely inserted into and removed from the receptacle 3. When the knob 23 is rotated while pressing the fixing screw 2 from this state, the screw portion 22 is screwed into the fixing screw hole 32, and the first large diameter portion 21a passes through the release hole 12 and the fixing hole. 1
Go into 3.

That is, the first large diameter portion 21a is the release hole 1
After passing through 2, the fitting portion of the fixing screw 2 with the release hole 12 is rotated by the rotation of the fixing screw 2 from the portion farthest from the center of the first large diameter portion 21a in the second large diameter portion 21b. It moves to a portion near the center of the large diameter portion 21a of No. 1.

When the fitting portion of the fixing screw 2 with the release hole 12 is moved to a portion of the second large diameter portion 21b near the center of the first large diameter portion 21a, the third large diameter portion 21c is moved. The portion farthest from the center of the first large diameter portion 21a, that is, the first large diameter portion 21a fits into the fixing hole 13.

Both the release hole 12 and the fixed hole 13 have a size corresponding to the outer diameter of the first large diameter portion 21a, but their central axes are displaced from each other, so that the first large diameter portion 2a.
The slide lock plate 1 moves downward as 1a enters the fixing hole 13.

As the slide lock plate 1 moves downward, the lock hole 11 also moves downward, and the shaft portion of the lock pin 31 and the shaft portion fitting hole of the lock hole 11 are fitted to each other. Cannot be removed from the lock pin 31.

In this state, if the screw portion 22 of the fixing screw 2 is completely screwed into the fixing screw hole 32, the upper portion of the cable connector is fixed by the fixing screw 2 and the lower portion of the cable connector is fixed. Since it is fixed by the lock hole 11 and the lock pin 31, the cable connector is securely locked.

Incidentally, when the Keheble connector is detached from the receptacle 3, the fixing screw 2 is rotated and the fixing screw 2 is rotated.
Of the first large diameter portion 21a of the second large diameter portion 21b is moved to a portion close to the center of the first large diameter portion 21a of the third large diameter portion 21c. The portion farthest from the center of the first large diameter portion 21a
By mating with 2, the cable connector can be inserted and removed freely.

FIG. 4 is an exploded perspective view of another embodiment of the present invention. FIG. 4A shows a state in which the slide lock plate 1 and the receptacle 6 are fitted, and FIGS.
(C) shows an enlarged cross section of the lower portion of the receptacle 6.

In FIG. 4, a cable connector according to another embodiment of the present invention is provided with a lock pawl 61 so that the lower end of the slide lock plate 1 is fitted into a fitting groove 61a of the lock pawl 61. 3 has the same configuration as that of the embodiment of the present invention shown in FIG. 3, and the same components are designated by the same reference numerals. The operation of the same component is the same as that of the embodiment of the present invention.

In a state where the cable connector is fitted into the receptacle 6 and the screw portion 22 of the fixing screw 2 is not screwed into the fixing screw hole 32, the first large diameter portion 21a is inserted into the release hole 12. Therefore, the lower end of the slide lock plate 1 has not yet entered the fitting groove 61a of the lock claw 61 [see FIG. 4 (b)].

When the screw portion 22 of the fixing screw 2 is screwed into the fixing screw hole 32, the first large diameter portion 21a enters the fixing hole 13, so that the slide lock plate 1 moves downward. Then, the lower end of the slide lock plate 1 enters into the fitting groove 61a of the lock claw 61 [FIG.
(C)].

As a result, the slide lock plate 1
Cannot be removed from the fitting groove 61a. In this state, if the screw portion 22 of the fixing screw 2 is completely screwed into the fixing screw hole 32, the upper portion of the cable connector is fixed by the fixing screw 2 and the lower portion of the slide lock plate 1 is locked. Since it is fixed by the fitting groove 61a of the claw 61, the cable connector is securely locked.

In this way, the screw portion 22 of the fixing screw 2 is connected to the release hole 12 and the fixing hole 13 of the slide lock plate 1.
Through the fixing screw holes 32 of the receptacles 3 and 6 to fix the upper portion of the cable connector, and in conjunction with the rotation of the fixing screw 2, the large diameter portion 21 of the fixing screw 2 and the release hole 12; The slide lock plate 1 is moved downward by the fixing hole 13 and the slide lock plate 1
The lower part of the projection of the receptacles 3 and 6 (lock pin 31
Alternatively, by hooking the lock claw 61), even if the cable connector is strongly pulled downward, it does not float from the receptacle, so that contact between the cable connector and the receptacle can be secured.

[0037]

As described above, according to the present invention, there is provided a cable connector for electrically connecting a cable to an electronic device by fitting the connector electrically connected to the cable and attached to the electronic device. In the lock mechanism, the upper part of the lock plate of the cable connector that abuts against the connector is fixed by screwing the fixing screw into the fixing screw hole of the connector and interlocking with the rotation of the fixing screw. By moving the lower part of the lock plate downward with the large diameter part provided on the shaft part of the screw and hooking it on the protruding member of the connector, even if the cable connector is strongly pulled downward, it does not float from the connector and the cable There is an effect that it is possible to secure contact between the connector and each contact of the connector.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of one embodiment of the present invention.

FIG. 2 is an external perspective view of an embodiment of the present invention.

3A is a partially enlarged view showing a state in which the fixing screw of FIG. 1 is screwed into a fixing screw hole of a receptacle, and FIG. 3B is a plan view of a large diameter portion of the fixing screw of FIG. Is.

4A is an exploded perspective view showing a state in which a slide lock plate and a receptacle according to another embodiment of the present invention are fitted together, and FIGS. 4B and 4C are enlarged views of a lower portion of the receptacle of FIG. 4A. FIG.

FIG. 5 is an external perspective view including a partial cross section of a conventional example.

[Explanation of symbols]

 1 Slide Lock Plate 2 Fixing Screw 3, 6 Receptacle 4 Connector Shell Cover 5 Cable 11 Lock Hole 12 Release Hole 13 Fixing Hole 21, 21a, 21b Large Diameter Part 22 Screw Part 31 Lock Pin 32 Fixing Screw Hole 61 Lock Claw 61a Mating groove

Claims (4)

[Claims] 1. A cable connector locking mechanism for electrically connecting the cable to the electronic device by fitting the connector electrically connected to the cable and attached to the electronic device. Plate provided on the connector and abutting on the connector, a fixing screw hole provided on the connector for fixing the cable connector, and a projection member provided on the connector and locking the lock plate A fixing screw provided on the cable connector and screwed into the fixing screw hole; and a lock screw provided on a shaft portion of the fixing screw and interlocking with rotation of the fixing screw to lock the lock plate. A locking mechanism for a cable connector, comprising: a moving member that moves to a hooking position with the protruding member. 2. A fixing hole, comprising a lock hole formed in the lock plate and connecting a head fitting hole and a shaft fitting hole fitted to the head and the shaft of the protrusion member, respectively. The shaft member of the protruding member is moved from the head fitting hole to the shaft fitting hole by moving the lock plate by the moving member that is interlocked with the rotation of the screw. The lock mechanism for the cable connector according to Item 1. 3. The lock plate is moved by the moving member which is provided on the projecting member and includes a fitting groove into which the lower end of the lock plate fits, and which is interlocked with the rotation of the fixing screw. The lock mechanism for a cable connector according to claim 1, wherein the lower end of the plate is fitted in the fitting groove. 4. The moving member is provided on the same axis as the shaft portion of the fixing screw and has a first large diameter portion having a diameter larger than a diameter of the shaft portion of the fixing screw, and the first large diameter portion. A second large-diameter portion provided on an axis different from the shaft portion of the fixing screw in the outer circumference of the large-diameter portion and having a diameter smaller than the diameter of the first large-diameter portion; A third thick portion provided on the shaft different from the shaft portion of the fixing screw and the second thick portion in the outer circumference of the diameter portion and having the same diameter as the diameter of the second thick portion; The lock plate is provided on a first fitting hole into which the first large-diameter portion is fitted, and on a different axis from the first fitting hole, and the first large-diameter portion is fitted to the lock plate. A second fitting hole for fitting, and an abutting operation between the outer periphery of the second large diameter portion and the first fitting hole interlocking with the rotation of the fixing screw and the third thick hole. Diameter part From the state in which the first large-diameter portion is fitted in the first fitting hole to the state in which it is fitted in the second fitting hole by the abutting operation between the outer periphery and the second fitting hole. The lock mechanism for a cable connector according to any one of claims 1 to 3, wherein the lock mechanism is adapted to be transferred.