JP2000077136A - Latch device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To certainly connect and fix a spring holder side connector to a spring leg holder side connector and to prevent easy slip-off. SOLUTION: When a latch spring 1 is turned around a spring leg holder 2, a ring 12 of the latch spring 1 is abuttingly engaged with a spring holder 5 so that the latch spring 1 is held by the spring holder 5. Thereby, a cable side connector 10 is easily and certainly engaged with and fixed to a computer side connector 11 with only the latch spring 1. By a latch function of the ring 12 of the latch spring 1 to the spring holder 5, the connector 10 cannot be pulled out of the connector 11 to a pulling direction (an arrow Y31 direction) by the exhibit of the pushing effect.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a latch device for connecting and fixing a connector on a computer and a connector on an external printer in order to connect a terminal device such as an external printer to a computer device.

[0002]

2. Description of the Related Art As described above, conventionally, a latch device is a connector which is a fixing member attached for input / output of a printer port on a computer side for connecting an external printer or the like to a general computer device. Is widely used to connect a connector which is a cable-side fixing member connected to an external printer in accordance with a standard corresponding to the connector. At that time, the computer-side connector and the cable-side connector are fixed ( Hereinafter, it may be referred to as “latch”).

[0003] Such a conventional latch device basically includes a spring (elastic body), a supporting portion for rotatably holding the spring, and a holding member to which a connector on the cable side is attached and which engages with the spring. A connector (latch plate), and a spring is rotated around a holding portion of the support portion as a support shaft to engage with the holding member (latch plate), thereby fixing the computer-side connector and the cable-side connector. Thus, a cable from an external printer is fixed to a printer port, and an external printer or the like is connected to the computer device.

[0004] Regarding the conventional latch device as described above,
The schematic operation will be described below. FIG. 4 is a front view (FIG. 4A) and a side view (FIG. 4B) showing the structure of a latch spring which is an elastic body in a conventional latch device.
It is a top view for explaining the operation of the engaged state,
The front view and the side view are shown in FIG. 5 (FIGS. 5A and 5B).
5 (c).

As shown in FIGS. 4 and 5, basically, a latch spring 20 as an elastic body is fitted with a spring foot 28 as a holding portion in a shaft hole 7 of a spring foot holder 2 as a support member. In engagement, the spring foot holder 2 is fixed to the mounting base 3 with screws 4.
On the other hand, the spring holder 5 serving as a latch plate is fixed to the connector 10 on the cable side with screws 9.

The connector 10 is engaged with the connector 11 of the mounting base 3 on the computer side. At this time, the latch spring 20 is rotated around the spring foot holder 2 in the direction of arrow Y50, and the latch spring 20 is moved to the spring holder 5. The connector 10 and the connector 11 are connected and engaged by bringing the connector 10 into contact with and engaging with the holder groove 6. That is, by pressing the spring holder 5 with the spatially two-dimensional spring shoulder 21 of the latch spring 20, the connector 1
1 is configured to be prevented from coming off.

[0007]

However, in the conventional latch device as described above, as shown in FIGS. 4 and 5, the latch spring 2 engaging with the spring holder 5 is used.
Because the spring shoulder 21 at 0 is a two-dimensional shape,
When a cable connected to the computer device is hooked, the cable is pulled and pressed against the connector 10 on the cable side in the direction of pulling out from the connector 11 (in the direction of the arrow Y51). There has been a problem that the shape of the latch spring 20 is likely to bend, the latch force is lost, and the cable easily comes off from the computer device in many cases.

In order to solve this problem, it is common to fix the connectors 10 and 11 on the computer side and the cable side with screws instead of engaging with the latch spring 20. ,
Conversely, there is a problem that workability when connecting and disconnecting an external device such as a printer is poor, and that it is difficult to easily insert and remove a cable.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. The connector on the spring holder side can be securely connected and fixed to the connector on the spring foot holder side. Provided is a latch device that can prevent a connector from easily coming off between connectors and hardly come off as compared with a shape of a spring.

[0010]

In order to solve the above-mentioned problems, a latch device according to the present invention is arranged such that when an elastic member is rotated around a support member, the elastic member contacts the holding portion with its winding portion. And held by the holding member so that the first
By connecting and fixing the fixing member and the second fixing member only by the elastic body, the first fixing member and the second fixing member can be easily and reliably engaged and fixed only by the elastic body, Therefore, the holding member can hold the wound portion of the elastic body, and the latching function of the holding member by the effect of pressing the wound portion of the elastic body causes the second fixing member to move from the first fixing member to the second fixing member. It is characterized by exhibiting a holding effect in the pull-out direction.

As described above, the second fixing member on the holding member side can be securely connected to and fixed to the first fixing member on the supporting member side. In comparison with the first fixing member, the second fixing member does not easily come off from the first fixing member, so that the second fixing member does not easily come off.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In a computer system comprising a plurality of electronic devices, a latch device according to a first aspect of the present invention uses a fixing member between the devices in order to connect the devices. A latch device for connecting and fixing the fixing members using an elastic body when connecting the elastic members, wherein the elastic body forms one or more winding portions and engages with the winding portions. It is disposed so as to be substantially coincident with the position of the object to be joined, and is formed rotatably in a state where both ends are supported. A first fixing member is provided, and the elastic body is engaged with the support portions at both ends thereof. A support member for supporting, and an object to be engaged by the elastic body, a second fixing member provided, and a holding member for abutting and engaging with a winding portion of the elastic body to hold the elastic body; Rotating the elastic body around the support member, and A structure in which the first fixing member and the second fixing member are connected and fixed only by the elastic body by engaging and holding the winding portion of the elastic body so as to abut on the holding member by a material. And

According to this configuration, when the elastic body is rotated around the support member, the elastic body is engaged so that its winding portion comes into contact with the holding member, and is held by the holding member.
By connecting and fixing the first fixing member and the second fixing member only with the elastic member, the first fixing member and the second fixing member can be easily and reliably engaged and fixed only with the elastic member. Therefore, the holding member can hold the wound portion of the elastic body, and the first fixing member can be held against the second fixing member by the latch function of the holding member by the pressing effect of the winding portion of the elastic body. It exerts the holding effect in the direction of pulling out from

Hereinafter, a latch device according to an embodiment of the present invention will be specifically described with reference to the drawings. FIG. 1 is a front view of the latch device of the present embodiment, FIG. 2 is a top view of the same, and FIG. 3 is a side view of the same.

The latch device according to the present embodiment is used, for example, in a computer system composed of a display monitor, a printer, a hard disk, and a plurality of other electronic devices in order to connect the devices with a cable. When the cable is connected via connectors which are fixing members at both ends of the cable, as shown in FIGS. 1, 2 and 3, for example, the second fixing member is connected to the connector 11 on the computer side which is the first fixing member. A connector 10 on a certain cable side is configured to be connected and fixed by using an elastic latch spring 1.

As shown in each figure, the latch spring 1 is formed with a ring 12 which is a winding portion of one or more turns (in the present embodiment, the number of turns is slightly less than two times), and will be described later. However, the ring 12 is disposed so as to substantially coincide with the position of the object to be engaged, and is rotatably formed with both ends below the ring 12 supported.

In each figure, reference numeral 2 denotes a connector 11
And a spring foot holder 5 serving as a support member that engages and supports the latch spring 1 so as to pivotally support a spring foot 8 that is a support portion at both ends of the latch spring 1. And a spring holder as a holding member for holding the latch spring 1, provided with the connector 10, in contact with and engaging with the ring 12 of the latch spring 1.

Then, the latch spring 1 is turned around the spring foot holder 2 in the direction of arrow Y30, and is held by the spring holder 5 so that the ring 12 of the latch spring 1 is brought into contact with the spring holder 5. Thus, the connector 11 and the connector 10 are connected and fixed only by the latch spring 1.

The operation of the latch device configured as described above will be described below. Basically, the latch spring 1 fits the spring foot 8 into the shaft hole 7 of the spring foot holder 2, and the spring foot holder 2 is fixed to the mounting base 3 with the screw 4. On the other hand, the spring holder 5 is fixed to the connector 10 with the screw 9.

The connector 10 is engaged with the connector 11 of the mounting base 3, and at this time, the latch spring 1 is rotated around the spring foot holder 2 in the direction of arrow Y 30, and the latch spring 1 is held in the holder groove of the spring holder 5. The connection and engagement between the connector 10 and the connector 11 are ensured by being brought into contact with and engaged with the connector 6. That is, by pressing down the spring holder 5 at the outer peripheral portion of the ring 12 of the latch spring 1, the connector 10 is configured to reliably prevent the connector 10 from coming off from the connector 11.

As described above, when the latch spring 1 is rotated around the spring foot holder 2, the latch spring 1 is engaged so that its ring 12 contacts the spring holder 5, and By holding and connecting and fixing the connector 11 on the computer side and the connector 10 on the cable side only with the latch spring 1, the connector 1 is formed only with the latch spring 1.
1 and the connector 10 can be easily and reliably engaged and fixed.

Accordingly, the spring holder 5 can hold the ring 12 of the latch spring 1, and the latch function for the spring holder 5 by the holding effect of the ring 12 formed on the latch spring 1 allows the spring 10 to be connected to the connector 10. It is also possible to obtain a pressing effect in the direction of removal from the connector 11 (the direction of arrow Y31).

Therefore, the connector 10 on the spring holder 5 side (cable side) can be securely connected and fixed to the connector 11 on the spring foot holder 2 side (computer side). Compared with the shape of 20, the connectors 10 and 11 can be prevented from being easily removed between the connectors 10 and 11, so that they can be hardly removed.

[0024]

As described above, according to the present invention, when the elastic body is rotated around the support member, the elastic body is engaged so that the winding portion thereof comes into contact with the holding member, and And the first fixing member and the second fixing member are connected and fixed only by the elastic body, so that the first fixing member and the second fixing member can be easily and reliably fixed only by the elastic body. Can be engaged and fixed.

Therefore, the holding member can hold the winding portion of the elastic body, and the first fixing member can be fixed to the second fixing member by the latch function of the holding member by the pressing effect of the winding portion of the elastic body. It is also possible to obtain a pressing effect in the direction of removal from the member.

Therefore, the second fixing member on the holding member side can be securely connected to and fixed to the first fixing member on the supporting member side. With a simple structure, it can be formed into a conventional spring (elastic body) shape. In comparison, the second fixing member is not easily detached from the first fixing member, so that it is difficult for the second fixing member to come off.

As a result, by using the above-mentioned latch device as a latch device for a connector which is a fixing member between various devices equipped with a lot of vibration, for example, an aircraft or an automobile, a reliable connection between the connectors can be obtained. The effect of holding and fixing can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view showing a configuration of a latch device according to an embodiment of the present invention.

FIG. 2 is a top view showing the configuration of the latch device according to the embodiment;

FIG. 3 is a side view showing the configuration of the latch device of the embodiment.

FIG. 4 is a structural view of a latch spring in a conventional latch device.

FIG. 5 is an operation explanatory view of the conventional latch device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Latch spring 2 Spring foot holder 5 Spring holder 8 Spring foot 10, 11 Connector 12 Ring

Claims (1)

[Claims] In a computer system including a plurality of electronic devices, an elastic body is used between the fixed members when the devices are connected via a fixing member in order to connect the devices. A latch device for connecting and fixing the elastic body, wherein the elastic body forms one or more winding portions, and is disposed substantially coincident with the position of the object to be engaged with the winding portion. A supporting member, which is formed rotatably in a supported state, is provided with a first fixing member, and supports the elastic body by engaging with supporting portions at both ends thereof; A holding member that is provided with a second fixing member, is in contact with and engages with a winding portion of the elastic body, and holds the elastic body; and rotates the elastic body around the support member. The winding portion of the elastic body is attached to the holding member by the holding member. A latch device, wherein the first fixing member and the second fixing member are connected and fixed only by the elastic body by being engaged and held so as to be in contact with each other.