JPH097690A - Lock mechanism of connector - Google Patents

Abstract

PURPOSE: To stabilize and ensure a lock, and simplify the operability of the lock and release. CONSTITUTION: When the lock claws 1a of a connector 3 are turned inside, a lock button 7 is slid on release side, whereby the locking claws 6a of a pair of lock members 6 are turned inside by operation protruding parts 6b provided on the lock members 6 to release the engagement of the lock claws 1a with the locking claws 6a, so that the connector can be detached. In the connection of the connector, the inserting connection of the connector is performed in the state chat the lock button 7 is moved on release side, and the lock button 7 is slid on connecting side, whereby the locking claws 6a of the locking members 6 are turned outside to engage the locking claws 6a with the lock claws 1a, forming the locked state. Using the lock claws 1a on both longitudinal sides, the lock members 6 are fixed by the protruding part 7a of the lock button 7 at locking.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector lock structure used for an interface device of a portable electronic device having a communication function such as an electronic notebook and an information portable terminal device.

[0002]

2. Description of the Related Art Conventionally, as a lock structure for a connector of this type, there is Japanese Unexamined Utility Model Publication No. 4-21078 "Connector Lock Structure" as a document. The lock structure of this connector is
Regarding the connection of the female connector and the male connector, lock the other gate-type locking piece by locking it to the locking claw protruding on one side, and also let the tip inclined part of the slide bar enter the inside of the locking piece. The feature is that the locking piece is opened to the outside to unlock the lock claw and the locking piece.

Further, as a reference, there is Japanese Utility Model Laid-Open No. 4-29181 "Male and female connector with double lock mechanism". This male / female connector with a double lock mechanism is provided with lock claws on both sides of the male connector in connection with the female connector and the male connector, and after engaging with the engaging portions provided on both sides of the female connector at the same time as coupling the connector, The second lock portion is slid into the inside of the lock lever and double locked.

Further, as a reference, there is Japanese Utility Model Laid-Open No. 6-7167, "hood connector with lock mechanism". This hood connector with a lock mechanism, as a locking method, arranges leaf springs provided with inward locking pieces on both sides of the connector, locks the connector hood with the leaf springs at the same time as coupling the connectors, and When detached, the lock is released by pressing from both sides to bend the leaf spring.

[0005]

In the conventional connector locking structure described above, in the case of the connector locking structure disclosed in Japanese Utility Model Laid-Open No. 4-21078, there is only one locking structure, and the connector is locked stably and reliably. Can not do it.

Further, in the case of the male and female connector with a double lock mechanism disclosed in Japanese Utility Model Laid-Open No. 4-29181, two actions are required to lock this connector, and its operability is poor.

Further, in the case of the hood connector with a lock mechanism disclosed in Japanese Utility Model Laid-Open No. 6-7167, the lock portions installed on both sides of the connector are limited to outward facing ones. Further, when releasing the lock portions on both sides, it is necessary to manually operate both lock pieces at the same time. In this case, since the lock is released only on one side and it is difficult for the other side to be removed due to manual operation, the operability is not good.

An object of the present invention is to solve the above-mentioned conventional problems, and an object thereof is to provide a locking structure for a connector, which can be locked stably and reliably and whose operability for locking and unlocking is simple.

[0009]

According to the connector locking structure of the present invention, the other connector is inserted and connected to the one connector, and the locking claws provided at both ends of the one connector are provided with the other connector. A locking structure of a connector capable of engaging and locking the locking claws respectively, or releasing the engagement between the locking claws and the locking claws, which can be engaged or disengaged by rotating the locking claws. In addition, the locking claws are pivotally supported, and a pair of lock members provided with an operation protrusion for operating the rotation and slidably provided between the pair of lock members are projected by the sliding. And a button for controlling the engagement or disengagement of the locking claw with the locking claw by pressing the operating projection to rotate the lock member, thereby achieving the above object. To be done.

Further, the connector lock structure of the present invention is
The other side connector is inserted and connected to the one side connector, and the locking claws provided at both ends of the one side connector are engaged with and locked by the locking claws of the other side connector, respectively. A locking structure of a connector capable of releasing engagement of a locking claw, wherein the locking claw capable of being engaged or disengaged by rotation with respect to the locking claw is pivotally supported, and the rotation is operated. And a pair of lock members provided with an operation protrusion for sliding, the slide member is slidably provided between the pair of lock members, and the protrusion causes the protrusion to press the operation protrusion to rotate the lock member. A button part for controlling engagement or disengagement of the locking claw with the locking claw, and a protrusion of the button part for rotating the locking claw in a direction in which the locking claw and the locking claw are engaged with each other. A spring means for urging the operating protrusion to a connection side for operating the operating protrusion. It is those, the objects can be achieved.

Further, in the connector lock structure of the present invention, the other connector is inserted and connected to the one connector,
The locking claws provided on both ends of the one-side connector are engaged with the locking claws of the other-side connector to lock,
Alternatively, in the connector locking structure capable of releasing the engagement between the lock claw and the locking claw, the locking claw capable of being engaged with or disengaged from the lock claw by rotation is pivotally supported, A pair of lock members provided with an operation section for operating the rotation; spring means for urging the locking claws of the lock members to rotate in a direction to engage with the lock claws; The elliptical cam is rotatably provided between the operating portions of the pair of lock members integrally with the elliptic cam, and the elliptical cam is pressed by the operating portion by the biasing force of the spring means. And a button portion for controlling the engagement or disengagement of the locking claw with the locking claw by rotating the cam-like cam, thereby achieving the above object.

Further, according to the connector lock structure of the present invention, the other side connector is inserted and connected to the one side connector,
The locking claws provided on both ends of the one-side connector are engaged with the locking claws of the other-side connector to lock,
Alternatively, in the connector locking structure capable of releasing the engagement between the lock claw and the locking claw, the locking claw capable of being engaged with or disengaged from the lock claw by rotation is pivotally supported, A pair of lock members provided with an operation section for operating the rotation, and a first spring means for urging the locking claw of the lock member to rotate in a direction to engage with the lock claw, A state in which the button outer peripheral portion is pressed by the urging force of the first spring means between the operation portions of the pair of lock members so as to be movable in a direction perpendicular to the rotation surface of the lock members. Then, the button outer peripheral portion operates the operation portion by the movement to rotate the lock member to control engagement or disengagement of the locking pawl with the lock pawl, and the button portion And second spring means for urging the lock member in an outward direction perpendicular to the rotation surface of the lock member. Ri, the object is achieved.

[0013]

In the first aspect of the present invention, the lock claw of the connector may face the connector side and the outer side. For example, when the lock claw faces the connector side, the button portion is slid to the release side. As a result, the locking claws of the lock members are pivoted inward by the operation projections provided on the pair of lock members, and the lock claws and the locking claws are disengaged, so that the connector can be detached. Also, when connecting the connector, the connector is inserted and connected with the button part moved to the release side, and the button part is moved to the connection side to rotate the locking claws of the pair of lock members to the outside so that Engage the locking claws to lock them.

As described above, the lock claws on both sides in the longitudinal direction are used, and the lock member is fixed by the protruding portion of the button portion at the time of locking, so that the lock can be stably and reliably performed, and the lock and unlock can be performed by a series of one-touch operations. It is possible to obtain a connector locking structure that is easy to operate.

Further, in the structure of claim 2, if the button portion is automatically returned by the spring means to return to the position on the lock side, it is not necessary to manually return the button portion, and the operation becomes simpler.

Further, in the structure of claim 3, the button portion is integrally formed by having an elliptical cam, and the button portion is rotated to the release side against the biasing force of the spring means to lock the button portion. The engagement between the claw and the locking claw is released, and the connector can be detached. Also, when inserting and connecting the connector, the button portion is rotated to the release side against the biasing force of the spring means, then the connector is inserted and connected, and then the button portion is moved slightly to the connecting side. The action automatically returns to complete the lock. At this time, the locking claw is always biased toward the lock side by the action of the spring means.

As described above, the lock claws on both sides in the longitudinal direction are used, and the spring means constantly urges the connection side, so that the lock can be stably and reliably performed, and the operability of locking and unlocking the spring means and the elliptic shape is elliptical. It becomes simpler by the turning operation of the automatic return by the action of the circular cam.

Further, in the structure of claim 4, by pushing down the button portion, the pair of locking members can be expanded by the action of, for example, the inclined surface of the outer peripheral portion of the button. The lock claw and the locking claw are disengaged by rotating the connector to the position where the connector can be detached. In addition, when the connector is inserted and connected, the button part automatically returns to the position of the connection side by the action of the spring.Therefore, push the button part to the release side and then insert and connect the connector and apply the pressing force. Just take it from and it will be automatically restored and locked. Even at this time, the locking claw is always biased toward the lock side by the action of the first spring means.

As described above, the lock claws on both sides in the longitudinal direction are used, and the first spring means always urges the connection side, so that the lock can be stably and reliably performed, and the operability for locking and releasing the lock claw is first. Further, the automatic return by the action of the second spring means and the outer peripheral portion of the button makes it simpler.

[0020]

Embodiments of the present invention will be described below.

(Embodiment 1) FIGS. 1 and 2 are views showing a locking structure of a connector according to Embodiment 1 of the present invention, in which a is a side view thereof, b is a bottom view of a, and FIG. 3a shows the case where the lock claw 1a faces inward, and FIG. 2 shows the case where the lock claw 1b faces outward as shown in FIG. 3b.

A case where the lock claw 1a faces inward as shown in FIG. 3a will be described. 1a and 1b
In the fixed system interface connector 3 provided in the portable system device main body 2, the input lines and output lines in the main body 2 are collected via the connection terminals 4 to enable connection with the outside. There is. Locking claws 1a facing inward are provided at both ends of the interface connector 3 in the longitudinal direction.

The movable side connector of the interface box 5 which can be inserted and connected through the connection terminal 4 of the interface connector 3 is configured so that the locking claw 6a can be engaged with or disengaged from the lock claw 1a facing inward. A pair of lock members 6 rotatably pivoted to each other and a pair of lock members 6 interposed between them, and click feeling at a position in the insertion connection direction (connection side) and reverse insertion connection direction (release side) of the connector. And a lock button 7 which is semi-fixed so as to be slidable.

Protrusions 7a are provided on both sides of the lock button 7 in a direction perpendicular to the sliding direction, and the lock member 6 is provided on the outer peripheral portion on the opposite side of the locking claw 6a in the vicinity of the shaft support portion. 6 is provided as an operating portion for operating the rotation of 6 and is inclined toward each other so as to narrow toward each other. When the lock button 7 is slid in the reverse insertion connection direction, the protruding portion 6b is projected on the inclined protruding portion 6b. 7a pushes and moves while unfolding, the locking claw 6a at the position extending to the side opposite to the inclined projection 6b rotates and moves inward, and also slides in the insertion connection direction of the lock button 7. At this time, the protrusions 7a move down on the inclined protrusions 6b, so that the pair of locking claws 6a pivot and move outward so as to engage with the lock claws 1a.

With the above configuration, the lock operation and the lock release operation will be described below.

FIG. 4 is a bottom view showing the locking and unlocking operations of the connector locking structure of FIG. 1b, where a is a diagram showing an initial state of insertion, b is a diagram showing a locked state, and c is an unlocked state. FIG.

First, as an initial state of insertion of the lock operation,
As shown in FIG. 4A, the lock button 7 is located at either the release side or the connection side, and the connector of the interface box 5 is connected to the connector 3 of the system device body 2.
When the lock claw 6a is connected to the lock claw 6a, the lock claw 6a is rotated inward by sliding the lock button 7 to the release side, and the lock claw 6a is set in a connectable state in which the lock claw 6a does not hit the lock claw 1a.

Next, as to the operation up to the locked state, as shown in FIG. 4b, after the connector of the interface box 5 is completely inserted and connected to the connector 3 of the system device main body 2, the lock button 7 is connected. By sliding to the side, the pair of locking claws 6a rotate so as to open outward and engage with the lock claws 1a, respectively, and the locking is completed.
In this case, the sliding direction of the lock button 7 from the release side to the connection side is the same as the direction in which the connector of the interface box 5 is inserted and connected. One-touch operation makes it easy.

Further, as the operation for releasing the locked state, as shown in FIG. 4c, when the connector of the interface box 5 which is in the locked state is detached from the connector 3 of the system device main body 2, By sliding the lock button 7 to the release side, the protrusion 7a presses and spreads over the inclined protrusion 6b,
Locking claw 6a at a position extending to the side opposite to the inclined projection 6b
Then, the connector of the interface box 5 can be pulled out from the connector 3 of the system device main body 2 by rotating the inward to release the engagement between the locking claw 6a and the lock claw 1a. In this case as well, the sliding direction of the lock button 7 from the connection side to the release side is the same as the direction in which the connector of the interface box 5 is pulled out.
The operation of changing from the locked state to the released state is easy with a series of one-touch operations.

As described above, in the interface connector for connecting the electronic device, the two locking claws 6a that rotate around the fixed axis in the interface box 5 that has the connector connection function and the interface function, and these simultaneously rotate. Lock button 7 that acts to
The lock button 7 is provided in the box 5, and is semi-fixed easily on the connection side and the release side due to the surface uneven shape for preventing slippage. After connecting the connector, the lock button 7 is used for the box 5 The connector is locked, and when the connector is detached, the lock button 7 is operated to release the lock. Thus, the lock claws 1a on both sides in the longitudinal direction are provided.
The lock member 6 is fixed by the protruding portion 7a of the lock button 7 at the time of locking, so that it can be locked stably and reliably, and its locking and unlocking can be performed by a series of one-touch operations, and the operability is simple. It is possible to obtain a lock structure for various connectors.

In this case, the case where the lock claw 1a faces the inside, that is, the case where the lock claw 1a faces the connector side and the locking claw 6a is moved from the inside to the outside to be locked. As described above, there are two types of lock claws on the left and right sides of the connector, an inner side and an outer side, and when the lock claw 1b as shown in FIG. 3b faces outward, that is, the locking claw 6a moves from the outside to the inside. It may be locked by moving it. This difference is determined depending on the external dimensions of the connector.

As shown in FIG. 3b, when the lock claw 1b faces outward, the initial state of the locking operation, the operation up to the locked state, and the operation for releasing the locked state are shown in FIGS. 5a to 5c. Shows. 4a to 4
The difference is that the locking claw 6a of c rotates in the opposite direction. That is, when the lock claws 1b are oriented outward, the pair of locking claws 6a are set in the opened initial state. In order to perform such an operation, the positions of the lock button 7 on the connection side and the release side are opposite to each other, and the position of the inclined projection 6b of the lock member 6'is set on the insertion connection side, that is, on the shaft support. It is necessary to be arranged on the side where the locking claw 6a is located.

(Embodiment 2) FIGS. 6 and 7 are views showing a locking structure of a connector in Embodiment 2 of the present invention, in which a is a side view thereof, b is a bottom view of a, and FIG. 3a shows the case where the lock claw 1a faces the inside, and FIG. 7 shows the case where the lock claw 1b faces the outside as shown in FIG. 3b. The same effects and advantages as those of the first embodiment shown in FIGS. 1 and 2 are given the same reference numerals, and the description thereof will be omitted.

A case where the lock claw 1a faces inward as shown in FIG. 3a will be described.

In FIG. 6a and FIG. 6b, the second embodiment is shown.
The springs 11 are respectively stretched over a pair of projecting portions 7a, which are provided on both sides of the lock button 7 in the direction perpendicular to the sliding direction, as operating portions. This is different from the first embodiment in that the biasing force acts so as to slide the lock button 7 to the insertion connection side (the lock side where the lock claw 1a and the locking claw 6a are engaged).

With the above configuration, the lock operation and the lock release operation will be described below.

FIG. 8 is a bottom view showing the locking and unlocking operations of the connector locking structure of FIG. 6b, where a is a diagram showing an initial insertion state, b is a diagram showing a locked state, and c is an unlocked state. FIG.

First, as an initial state of insertion of the lock operation,
The lock button 7 is automatically set to the connection side position by the action of the internal spring 11. When the connector of the interface box 12 is connected to the connector 3 of the system device body 2, as shown in FIG. By sliding the button 7 to the release side and moving the projecting portion 7a, the inclined projecting portion 6b is widened and the locking claw 6a is rotated inward to set it in a connectable state.

Next, as to the operation up to the locked state, as shown in FIG. 8B, after the connector of the interface box 12 is completely inserted and connected to the connector 3 of the system device main body 2, the lock button 3 is connected. By sliding to the side by the action of the spring 11, the pair of locking claws 6a
Rotate so as to open outward and engage with the lock claws 1a, respectively, and the lock is completed. In this case, since the lock button 7 is slid from the release side to the connection side by the action of the spring, the operation of setting the lock button 7 in the connectable state to the lock state is automatically restored and easily performed.

Further, as the operation for releasing the locked state, as shown in FIG. 8c, when the connector of the interface box 12 in the locked state is to be detached from the connector 3 of the system device main body 2, By sliding the lock button 7 to the release side against the action of the spring 11, the inclined projection 6b is widened to rotate the pair of locking claws 6a inward, and the locking claws 6a and the locking claws 1a are engaged. After releasing the connection, the connector of the interface box 12 can be pulled out from the connector 3 of the system device body 2.

As described above, the lock button 7 is biased by the action of the spring 11 provided in the interface box 12 so as to always move to the connecting side. After connecting the connector, the lock button 7 can be released only by releasing the hand. 7 automatically returns and locks the connector of the box 12. Further, when the connector is detached, the lock button 7 is slid to the release side and moved to release the lock. As described above, the lock claws 1a on both sides in the longitudinal direction are used, and the spring 11 always urges the connection side, so that the lock can be stably and reliably performed, and the operability of locking and unlocking thereof is simpler by the action of the spring. It has become.

In the case where the lock claw 1b as shown in FIG. 3b faces outward, as in the case of the first embodiment, the initial state of insertion of the lock operation, the operation up to the lock state, and the lock state are changed. The operation to be released is shown in FIGS.
It is shown in c. It differs from the operation of the locking claw 6a in FIGS. 8a to 8c in that it rotates in the opposite direction. That is, when the lock claws 1b face outward, the pair of locking claws 6a are opened and the initial insertion state is set. To operate in this way, the lock button 7
The positions of the connection side and the release side of the lock member 6'can be reversed, and the position of the inclined projection 6b of the lock member 6'can also be arranged on the insertion connection side with respect to the shaft support, that is, on the side with the locking claw 6a. Will be needed. Further, springs 11 are respectively stretched over a pair of projecting portions 7a provided on both sides of the lock button 7 as the operating portions in a direction perpendicular to the sliding direction, and the action of the springs 11 ensures that A biasing force acts so that the lock button 7 is slid to the insertion connection side (the lock side where the lock claw 1b and the locking claw 6a are engaged). Therefore, when the lock claw 1b faces outward, the position of the spring 11 is opposite to that when the lock claw 1b faces inside.

(Embodiment 3) FIGS. 10 and 11 are views showing a locking structure of a connector according to Embodiment 3 of the present invention, in which a is a side view thereof and b is a bottom view of a.
Shows the case where the lock claw 1a faces inward as shown in FIG. 3a, and FIG. 11 shows the lock claw 1b as shown in FIG. 3b.
Shows the case where is facing outward. The same effects and advantages as those of the first embodiment shown in FIGS. 1 and 2 are given the same reference numerals, and the description thereof will be omitted.

A case where the lock claw 1a faces inward as shown in FIG. 3a will be described.

10A and 10B, in the third embodiment, the lock button 21 is provided in the interface box 22 and has an elliptical cam 21a which is integrally rotatable. In the case of the above-described first embodiment, the lock member 23 can be provided with necessary movements on the major axis side and the minor axis side of the elliptical cam 21a by rotating in the designated direction (connection direction or release direction). Is different from. In this case, these lock members 23
Has a locking claw 23a at one end thereof, and has a major axis side and a minor axis side of the elliptical cam 21a at the other end portion on the opposite side from the one end portion via the shaft support portion. It has a lever portion 23b as an operation portion for operating the rotation by. Further, the locking member 23 has a locking claw 23a and a locking claw 1 respectively.
A spring 24 is provided for urging the turning force in the direction of engagement with a. By rotating the lock button 21 elliptical cam 21a provided therebetween against the biasing force of the spring 24, the pair of lever portions 23b is opened, and the pair of locking claws 23a are rotated inward. Can be moved,
Until the contact position between the lever portion 23b and the elliptical cam 21a reaches its major axis position, when the hand is released, the elliptical cam 21a is released.
By this action, the spring 24 automatically returns and rotates in the direction in which the locking claw 23a and the lock claw 1a are engaged.

With the above structure, the lock operation and the lock release operation will be described below.

FIG. 12 is a bottom view showing the locking and unlocking operations of the connector locking structure of FIG. 10b.
a is a diagram showing an initial state of insertion, b is a diagram showing a locked state,
c is a diagram showing an unlocked state.

First, in the initial state of inserting the connector, as shown in FIG. 12a, the lock button 21 is located at either the release side or the connection side, and the connector of the interface box 22 is connected to the system device main body 2. When connecting to the connector 3, by rotating the lock button 21 to the release side, the locking claw 23a is rotated inward and set in a connectable state.

Next, as the operation up to the locked state, after the connector of the box 22 is completely inserted and connected to the connector 3 of the system device main body 2, the lock button 21 is rotated to the connecting side. As shown in Figure 12b,
The pair of locking claws 23a opens outward and engages with the lock claws 1a, respectively, and the locking is completed. At this time, the lever portion 2
If the contact position between 3b and the elliptical cam 21a is sufficiently separated from the long axis position, even if the hand is released, the action of the spring 24 and the elliptical cam 21a automatically causes the locking claw 23a and the locking claw 1a.
It automatically returns and rotates in the direction in which and engage.

Further, as the operation for releasing the locked state, as shown in FIG. 12c, when the connector of the box 22 in which the locked state is completed is to be detached from the connector 3 of the system device main body 2, the lock is performed. By rotating the button 21 to the release side, the elliptical cam 21
a, the pair of lever portions 23b is opened against the biasing force of the spring 24 to rotate the locking claws 23a of the pair of lock members 23 inward, respectively, and the engagement between the locking claws 23a and the lock claws 1a is released. After that, the connector of the box 22 can be pulled out from the connector 3 of the system device body 2.

As described above, the lock button 21 has the elliptical cam 21a in the box 22. By rotating the lock button 21 in the designated direction, the major axis side of the elliptical cam 21a is moved to the 2nd axis. The two lock members 23 are pressed to the inside of the lever portion 23b to spread and rotate them to release the engagement between the locking claw 23a and the lock claw 1a, or the minor axis side of the elliptical cam 21a is moved. By directing the lock members 23 toward the inner sides of the lever portions 23b of the two lock members 23, the lock members 23 are rotated by the biasing force of the springs 24 to engage the locking claws 23a with the lock claws 1a, and thus the lock members 23 are locked. Can give you the required movement. Thus, the lock claws 1a on both sides in the longitudinal direction are used, and the spring 24
Is always biased toward the connection side, so that it can be locked in a stable and reliable manner, and the operability for locking and unlocking the spring 2
4 and the operation of the oval-shaped cam 21a make the operation simpler by the automatic return-type rotation operation.

When the lock claw 1a as shown in FIG. 3b is facing outward, as in the case of the first embodiment, the initial state of insertion of the lock operation, the operation up to the lock state, and the lock state are changed. The released operation is shown in FIGS. 13a to 13c. Locking claw 23 of FIGS. 12a to 12c
It differs from the operation a in that it rotates in the opposite direction.
That is, when the locking claws 1b face outward, the pair of locking claws 23a pivot outward and open to set the initial insertion state, and when locked, pivot inward. become. In order to perform such an operation, the positions of the lock button 21 on the connection side and the release side in the rotating direction are opposite to each other.

(Fourth Embodiment) FIGS. 14 and 15 are views showing a locking structure of a connector according to a fourth embodiment of the present invention, in which a is a side view and b is a top view of a.
Shows the case where the lock claw 1a faces inward as shown in FIG. 3a, and FIG. 15 shows the lock claw 1b as shown in FIG. 3b.
Shows the case where is facing outward. The same effects and advantages as those of the third embodiment shown in FIGS. 10 and 11 are given the same reference numerals and the description thereof will be omitted.

A case where the lock claw 1a faces inward as shown in FIG. 3a will be described.

14A and 14B, in the fourth embodiment, the lock button 31 is always urged to move to a state in which it projects from the box surface by the action of the spring 33 provided in the interface box 32,
By pressing the lock button 31 (compressing the spring 33) against the biasing force of the spring 33, the lock button 31 is pressed.
The outer peripheral inclined portion 31a of the lever can press and spread the pair of lever portions 23b.
The pair of lever portions 23b can be rotated inward by the action of the spring 24 by the automatic return by the biasing force of the pair of lock members 23. Is different from that of the third embodiment. in this case,
These lock members 23 have locking claws 23a at one end thereof.
And a lever portion 23b as a rotary operation portion that acts on the outer peripheral inclined portion 31a of the lock button 31 at the other end portion. Further, each of the lock members 23 is provided with a spring 24 that gives a turning force in a direction in which the locking claw 23a and the lock claw 1a are engaged with each other.

With the above structure, the lock operation and the lock release operation will be described below.

FIG. 16 is a top view showing a locking operation and a releasing operation of the connector locking structure of FIG. 14b.
a is a diagram showing an initial state of insertion, b is a diagram showing a locked state,
c is a diagram showing an unlocked state.

First, as the initial state of insertion of the lock operation,
The lock button 31 is automatically set to the connection side position by the action of the internal spring 33, and the connector of the interface box 32 is connected to the connector 3 of the system device main body 2.
16a, as shown in FIG. 16a, by pushing down the lock button 31 toward the release side, the pair of locking claws 23a pivots inward and close to set to a connectable state.

Next, as the operation up to the locked state, after the connector of the box 32 is completely inserted and connected to the connector 3 of the system device main body 2, the lock button 31 is returned to the connection side by the spring 33. As a result, as shown in FIG. 16b, the pair of locking claws 23a open outward and engage with the lock claws 1a, respectively, and the locking is automatically completed.

Further, as the operation of releasing the locked state, when the connector of the box 32 in the locked state is to be detached from the connector 3 of the system device main body 2, as shown in FIG. The button 31 is pushed down to the release side and the locking claws 23 of the pair of lock members 23 are pressed.
By rotating a inward, the engagement of the locking claw 23a and the lock claw 1a can be released, and then the connector of the box 32 can be pulled out from the connector 3 of the system device main body 2.

As described above, the lock button 31 is always moved to the position protruding from the surface of the box by the action of the spring 33 provided in the box 32. When the connector is connected, the lock button 31 is pressed to push the box. 32 insert connections are possible. After the connector is connected, the lock button 31 automatically returns by releasing the hand, and the action of the spring 24 causes the pair of locking claws 23a.
Has a structure in which the connector is rotated outward to lock the connector, and when the connector is detached, the lock buttons 31 are pushed to simultaneously unlock both sides. In this way, the lock claws 1a on both sides in the longitudinal direction are used, and the spring 24 constantly urges the connection side, so that the lock can be stably and reliably performed, and the operability for locking and unlocking the springs 24, 33 and the button is high. The automatic return by the action of the outer peripheral portion 31a makes it simpler.

When the locking claw 1a as shown in FIG. 3b faces outward, the initial state of the lock operation, the operation up to the locked state, and the locked state are the same as in the third embodiment. The release operation is shown in FIGS. 17a to 17c. Locking claw 23 of FIGS. 16a to 16c
It differs from the operation a in that it rotates in the opposite direction.
That is, when the locking claws 1b face outward, the pair of locking claws 23a 'are set to the initial insertion state in which they are open. In order to perform such an operation, the position of the lock button 31 is on the locking claw 23a 'side with respect to the position of the shaft supporting portion of the lock member 23'. At this position, the lever portions 23b 'of the pair of lock members 23' are arranged so as to sandwich the button inclined outer peripheral portion 31a of the lock button 31. Therefore, the lever portion 23b 'and the locking claw 23
a'is arranged in the same direction with respect to the shaft support.

[0063]

As described above, according to the present invention, the connector can be easily attached / detached only by inserting / connecting the connector and locking / unlocking the button portion, the operability is good, and the structure is simple and the connection is easy. The interface part can be light, thin, short and small. Also, the lock claws on both sides in the longitudinal direction are used, and the locked state is fixed by the button part, or the spring means is always biased toward the connection side, so that the connector can be locked stably and surely. It is possible to more reliably hold the signal connection from the shock of carrying.

[Brief description of drawings]

FIG. 1 is a view showing a lock structure of a connector according to a first embodiment of the present invention, showing a case where a lock claw faces inward, in which a is a side view and b is a bottom view of a.

2A and 2B are views showing a locking structure of the connector according to the first embodiment of the present invention, showing a case where the locking claw faces outward, a is a side view thereof, and b is a bottom view of a.

3A is a diagram showing a case where the lock claw 1a faces inward, and FIG. 3B is a diagram showing a case where the lock claw 1b faces outward.

4A and 4B are bottom views showing a locking operation and a releasing operation of the connector locking structure of FIG. 1B, wherein a is a diagram showing an initial insertion state, b is a diagram showing a locked state, and c is a diagram showing an unlocked state. Is.

5A and 5B are bottom views showing a lock operation and a release operation of the connector lock structure of FIG. 2B, wherein a is a diagram showing an initial insertion state, b is a diagram showing a locked state, and c is a diagram showing an unlocked state. Is.

6A and 6B are views showing a locking structure of a connector according to a second embodiment of the present invention, showing a case where a locking claw faces inward, in which a is a side view and b is a bottom view of a.

7A and 7B are views showing a locking structure of a connector according to a second embodiment of the present invention, showing a case where a locking claw faces outward, a is a side view thereof, and b is a bottom view of a.

8A and 8B are bottom views showing a locking operation and a releasing operation of the connector locking structure of FIG. 6B, wherein a is a diagram showing an initial insertion state, b is a diagram showing a locked state, and c is a diagram showing an unlocked state. Is.

9A and 9B are bottom views showing a locking operation and a releasing operation of the locking structure of the connector of FIG. 7B, in which a is a diagram showing an initial state of insertion, b is a diagram showing a locked state, and c is a diagram showing an unlocked state. Is.

10A and 10B are views showing a locking structure of a connector according to a third embodiment of the present invention and showing a case where a locking claw faces inward, in which a is a side view thereof, and b is a bottom view of a.

FIG. 11 is a view showing a connector locking structure according to a third embodiment of the present invention, showing a case where the locking claws face outward, a is a side view thereof, and b is a bottom view of a.

FIG. 12 is a bottom view showing a locking operation and a releasing operation of the connector locking structure of FIG. 10b, in which a is a diagram showing an initial insertion state, b is a diagram showing a locked state, and c is a diagram showing an unlocked state. Is.

13A and 13B are bottom views showing a lock operation and a release operation of the connector lock structure of FIG. 11B, wherein a is a diagram showing an initial insertion state, b is a diagram showing a locked state, and c is a diagram showing an unlocked state. Is.

14A and 14B are views showing a locking structure of a connector according to a fourth embodiment of the present invention and showing a case where a locking claw faces inward, in which a is a side view thereof, and b is a top view of a.

15A and 15B are views showing a locking structure of a connector according to a fourth embodiment of the present invention, showing a case where a locking claw faces outward, a is a side view thereof, and b is a top view of a.

16 is a top view showing a locking operation and a releasing operation of the connector locking structure of FIG. 14b, wherein a is a view showing an initial state of insertion, b is a view showing a locked state, and c is a view showing an unlocked state. Is.

FIG. 17 is a top view showing a lock operation and a release operation of the connector lock structure of FIG. 15b, in which a is a diagram showing an initial insertion state, b is a diagram showing a locked state, and c is a diagram showing an unlocked state. Is.

[Explanation of symbols]

1a, 1b Lock claw 2 Portable system device body 3 Interface connector 5, 5 ', 12, 12', 22, 22 ', 32, 32'
Interface box 6,6 ', 23,23' Locking member 6a, 23a, 23a 'Locking claw 6b Inclined projection 7,21,31 Lock button 7a Projection 11,24,33 Spring 21a Elliptical cam 23b, 23b' Lever part

Claims (4)

[Claims] 1. The other side connector is inserted and connected to the one side connector, and the locking claws provided on both ends of the one side connector are engaged and locked with the locking claws of the other side connector, respectively. A lock structure of a connector capable of releasing the engagement between the lock claw and the locking claw, wherein the locking claw capable of being engaged with or disengaged from the lock claw by rotation is pivotally supported, A pair of lock members provided with an operation protrusion for operating the rotation, and a slide member provided slidably between the pair of lock members, the protrusion pressing the operation protrusion by the slide, and the lock member. And a button portion for controlling engagement and disengagement of the locking claw with the locking claw by rotating the locking claw. 2. The other side connector is inserted and connected to the one side connector, and the locking claws of the other side connector are respectively engaged and locked with the lock claws provided at both ends of the one side connector, or A lock structure of a connector capable of releasing the engagement between the lock claw and the locking claw, wherein the locking claw capable of being engaged with or disengaged from the lock claw by rotation is pivotally supported, A pair of lock members provided with an operation protrusion for operating the rotation, and a slide member provided slidably between the pair of lock members, the protrusion pressing the operation protrusion by the slide, and the lock member. A button part for rotating the locking claw to control engagement or disengagement of the locking claw with the locking claw, and a protruding part of the button part in a direction in which the locking claw and the locking claw engage with each other. If the operation protrusion is urged toward the connection side to rotate the A locking structure of a connector having a spring means. 3. The other side connector is inserted and connected to the one side connector, and the locking claws provided on both ends of the one side connector are engaged and locked with the locking claws of the other side connector, respectively. A lock structure of a connector capable of releasing the engagement between the lock claw and the locking claw, wherein the locking claw capable of being engaged with or disengaged from the lock claw by rotation is pivotally supported, A pair of lock members provided with an operation section for operating the rotation; spring means for urging the locking claws of the lock members to rotate in a direction of engaging the lock claws; Is rotatably provided integrally with the elliptical cam between the operating portions of the lock member, and the elliptical cam is provided with the outer peripheral portion of the elliptical cam being pressed by the biasing force of the spring means. The lock member is rotated by the rotation of the cam to lock the locking claw. A lock structure for a connector having a button portion for controlling engagement or disengagement with a claw. 4. The other side connector is inserted and connected to the one side connector, and the locking claws of the other side connector are respectively engaged and locked with the lock claws provided at both ends of the one side connector, or A lock structure of a connector capable of releasing the engagement between the lock claw and the locking claw, wherein the locking claw capable of being engaged with or disengaged from the lock claw by rotation is pivotally supported, A pair of lock members provided with an operation section for operating the rotation; first spring means for urging the locking claw of the lock member to rotate in a direction to engage with the lock claw; A state in which the button outer peripheral portion is pressed by the urging force of the first spring means between the operation portions of the pair of lock members so as to be movable in a direction perpendicular to the rotation surface of the lock members. Then, the movement causes the outer peripheral portion of the button to operate the operation portion, A button part for rotating the locking member to control engagement or disengagement of the locking claw with the locking claw, and a second part for urging the button part in an outward direction perpendicular to the rotation surface of the locking member. A locking structure for a connector having spring means.