JPH09293366A - Supporter for storage unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the generation of the defective contact of a connecting section due to the vibrations of a car body even when an inserted and fitted storage unit is used for an on-vehicle equipment, etc., as seen in a hard disk(HD) unit, etc. SOLUTION: An HD unit 15 is inserted from the inserting port 3a of a main body panel 3, and the connecting section of the front section of the HD unit 15 is fitted irregularly to a connecting plug in a main body. When a door member 20 is slid downwards under the state and the inserting port 3a is closed, an upper corner section 15d at the rear end of the HD unit 15 is pushed by a leaf spring 31 installed to a sliding member 24 lowered together with the door member 20, the HD unit 15 is connected stably to the connecting plug, and a defective contact due to external vibrations is not generated.

Description

Detailed Description of the Invention

[0001]

The present invention relates to a hard disk unit (package) for an electronic device such as a vehicle.
The present invention relates to a storage unit support device in which a storage unit, such as a storage unit, is pushed into a connection plug from one direction and fitted.

[0002]

2. Description of the Related Art Hard disk unit (package)
Is provided with a connection portion having a plurality of contacts, and this connection portion is pushed (inserted) from one direction into a connection plug also having a plurality of contacts.
It is fitted.

[0003]

The electronic equipment using the above storage unit has been mainly for office work or home use. It is expected that this type of electronic device will be used for vehicle installation in the future. For example, in a car navigation system, it is expected that a storage unit such as the hard disk unit in which map information and the like are stored will be used.

However, as described above, since this type of storage unit and the connection plug are connected to each other by the concave and convex fitting of a plurality of contacts, when vehicle body vibration acts on the storage unit or the connection plug, The storage unit rattles and the connection between contacts becomes unstable. When contact failure due to rattling occurs at the contact of uneven fitting,
An error in reading data from the storage unit is likely to occur. Further, in the worst case, the storage unit may be pulled out from the connection plug and detached due to vehicle body vibration.
In addition, similar problems are likely to occur in electronic devices that are always carried and used for applications other than those for in-vehicle use.

The present invention is to solve the above-mentioned conventional problems, and in an electronic device such as a vehicle-mounted device or a portable device which is easily affected by external vibration, it is provided between a storage unit such as a hard disk unit and a connection plug. An object of the present invention is to provide a support device for a storage unit in which connection failure due to vibration is less likely to occur.

[0006]

According to another aspect of the present invention, there is provided a storage unit supporting device, wherein a connection plug is provided in a main body of a device, into which a connection portion of the storage unit is pushed in and fitted.
It is characterized in that an elastic pressing member for pressing the end portion on the opposite side of the connection portion of the storage unit in the fitting direction to the connection plug is provided.

In the above, the device body is provided with a door member having an opening through which the storage unit can be inserted from the outside and opening and closing the insertion port, and the elastic pressing member together with the door member. It is possible to adopt a structure in which the storage unit is pressed by the elastic pressing member when the door member is moved and is in the closed state, and the elastic pressing member is separated from the storage unit when the door member is in the opened state. .

In this case, it is preferable to provide a biasing member for biasing the door member in the closing direction when the door member is closed.

An electronic device to which the storage unit support device of the present invention is applied is susceptible to external vibration such as a vehicle-mounted or portable device, and is, for example, a vehicle-mounted navigation system. The storage unit has a plurality of (a large number of) contacts provided at the connection portion and is press-fitted from one direction with respect to the connection plug to be fitted therein.
For example, a hard disk unit. The hard disk unit contains one or more disks, a rotation drive unit for rotating the disks, and a magnetic head for recording and reading data on the disks in a case. Therefore, the plurality of contacts provided at the connection portion of the case of the hard disk unit are an input contact for electric power for rotationally driving the disk and a terminal for transmitting recording data and reading data. Further, as another storage unit, an IC forming a ROM, a RAM, or the like may be housed in a case, and the case may be provided with a contact for connecting to the outside.

According to the present invention, the storage unit is connected to the connection plug provided in the main body of the electronic device,
The elastic pressing member elastically presses the storage unit in the insertion direction of the connection plug. Therefore, even if external vibration acts on the electronic device, the connection state due to the concave-convex fitting between the contacts of the storage unit and the connection plug is stable, and, for example, the storage unit rattles and a connection failure occurs at the contacts, and the read data And recording data error does not occur. In addition, the storage unit does not come off from the connection plug.

After connecting the storage unit to the connection plug, the elastic pressing member is attached to a position where the storage unit can be pressed, or the elastic pressing member is attached to a lever or the like, and when the storage unit is connected to the connection plug, The elastic pressing member may be moved to the pressing position by operating the lever. However, it is preferable to provide the elastic pressing member so as to move together with the door member. In this case, the storage unit is inserted into the insertion opening formed in the device body from the outside, the connection portion of the storage unit is fitted into the connection plug, and then the door member is closed. When the door member is closed, the elastic pressing member moves together with the door member to a position where the storage unit can be pressed. Further, when the door member is opened, the elastic pressing member separates from the storage unit, so that the storage unit can be taken out from the insertion port.

In this case, it is preferable to provide an urging member for urging the door member so as to maintain the closed state when the door member is in the closed state. When this biasing member is provided, the door member does not move in the opening direction, and the elastic pressing member always presses the storage unit reliably.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A detailed configuration example of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view partially showing a navigation system as an example of an on-vehicle electronic device, and FIG. 2 shows an opening / closing structure of a door member, and FIG. 1 is an exploded view seen from a direction II from the inside of the device body. Perspective view, FIG.
III-II of FIG. 1 showing a state in which a hard disk unit which is a storage unit is mounted and a door member is closed
It is sectional drawing of the I line. A device body 1 of this navigation system is composed of a body chassis 2 and a body panel 3 provided on the front surface thereof.

A board 4 is housed in the inner bottom portion of the main body chassis 2. This board 4 is a printed wiring board,
ICs and other various electronic components are mounted thereon. Inside the main body panel 3 on the substrate 4, a mounting portion A to which a hard disk unit (HD unit) 15 as a storage unit is mounted is provided. The mounting portion A includes a connection plug 6 provided with a plurality (a large number) of protruding contacts 5 in a horizontal direction with respect to the substrate 4, and a pair of guide members 7, 7 provided on both front sides of the connection plug 6. have. Guide grooves 7a, 7a are formed on the opposing surfaces of the pair of guide members 7, 7 in parallel with the protruding direction of the substrate 4 and the protruding contact 5.

The HD unit 15 has a case in which a hard disk, a rotation driving means for rotationally driving the hard disk, and a magnetic head for writing data to the disk and reading the data recorded on the disk are housed. . The front end surface of the HD unit 15 is a connecting portion 15a, and the connecting portion 15a is provided with a plurality (a large number) of concave contacts corresponding to the protruding contacts 5 of the connecting plug 6.

On both sides of the HD unit 15, ridges 15b, 15b are provided. HD unit 15
Is inserted into the main body chassis 2 through the insertion opening 3a opened in the main body panel 3. At this time, the protruding portions 15b, 15b of the HD unit 15 are fitted into the guide grooves 7a, 7a of the guide members 7, 7. And the HD unit 15 has this guide groove 7
It is guided to the connection position with the connection plug 6 by sliding a and 7a. When the HD unit 15 is pushed into the mounting portion A,
The concave contact of the connecting portion 15a and the protruding contact 5 of the connecting plug 6
And are fitted into each other by concavo-convex fitting, and the contacts are connected. On the guide members 7, 7 on both sides of the mounting portion A, a discharge member 8 that slides along the longitudinal direction of the guide member 7 is provided. When the HD unit 15 is guided by the guide members 7 and 7 and is securely fitted to the connection plug 6, the discharge member 8 is pushed by the step 15 c at the upper end of the HD unit 15, and Pushed toward.

A support pin 9 is fixed on the connection plug 6, and a discharge lever 11 is rotatably supported by the support pin 9, and a tip 11a of the discharge lever 11 attaches the discharge member 8 to the main body panel 3. Opposing so that they can be pressed in the direction of. The slider 1 is provided on the side of one guide member 7.
2 is provided slidably along the substrate 4, the slider 12 can rotate the ejection lever 11, and the ejection operation body 13 is integrated at the tip of the slider 12. It is provided in. When the ejecting operation body 13 appearing in the insertion port 3a is pressed while the connecting portion 15a of the HD unit 15 is fitted in the connecting plug 6, the slider 12 slides inward of the main body chassis 2 and the ejecting lever. 11 rotates counterclockwise, and the tip end 11a of the ejection lever 11 pushes out the ejection member 8 toward the front of the apparatus. At this time, the discharging member 8 pushes out the step 15c of the HD unit 15, the connecting portion 15a of the HD unit 15 is pulled out from the connection plug 6, and the HD unit 15 can be taken out from the insertion opening 3a.

The body panel 3 is made of a synthetic resin material, a front surface 3b thereof is a decorative surface, and a concave curved surface portion 3c is formed on a side of the front surface 3b. FIG.
As also shown, the insertion opening 3a is opened in a substantially half region below the concave curved surface portion 3c. A door member 20 that is slidable in the vertical direction is provided on the front surface of the concave curved surface portion 3c. The back portion 20a of the door member 20 has a convex curved surface shape similar to the changed shape of the curved surface of the concave curved surface portion 3c, and the front surface 20b of the door member 20 also has a protruding curved surface shape protruding forward. Therefore, since the door member 20 is provided in the concave curved surface portion 3c, the front surface 20b of the door member 20 is located on the main body panel 3a.
The absolute size of the front portion 3b protruding from the front is not so large, which is suitable for downsizing of the device. On the other hand, a large area can be secured for the upper surface 20c and the lower surface 20d.
The lower surface 20d is shaped so that it can be easily held with fingers.

The door member 20 slides in the direction (vertical direction) orthogonal to the direction of change in the curvature of the concave curved surface portion 3c, and when moving upward, the insertion opening 3a is opened and moves downward. The insertion opening 3a is closed during the operation. Insertion slot 3a
When the HD unit 1 is opened, the HD unit 1
5 can be inserted and removed, and the ejection operation body 13 appears on the side of the insertion port 3a.

Next, the opening / closing mechanism of the door member 20 will be described with reference to FIGS. As shown in FIG. 2, the main body panel 3 has the insertion opening 3a opened, and a pair of slits 3d and 3d which are communicated with both left and right sides of the insertion opening 3a and are cut upward in the drawing. Are formed. On the back side of the door member 20, a recess 20e is formed between an upper surface 20c and a lower surface 20d having a protruding curved surface, and a metal plate 21 is fixedly provided in the recess 20e. On both sides of the metal plate 21, a pair of guide portions 21 a, 21 bent toward the main body chassis 2 are provided.
a is provided. The guide portions 21a, 21a are
The left and right sides of the insertion opening 3a formed in the main body panel 3 and the pair of slits 3d, 3d can be moved up and down.

A support member 22 is attached to the inside of the main body panel 3. The support member 22 is bent by a sheet metal material, and the mounting holes 22 are provided on both sides of the support member 22.
are fixed to the back surface of the main body panel 3 by screwing. A step portion 22c extending inward of the main body chassis 2 is formed in the middle abdomen of the support member 22,
A bending piece 22b that extends inward of the body chassis 2 is also provided at the upper edge portion, and the step portion 22c and the bending piece 2 are provided.
A guide shaft 23 is provided between 2b. The step 22
A sliding member 24 is slidably attached to the outer periphery of the guide shaft 23 between the c and the bent piece 22b. The upper bent portion 24a and the lower bent portion 24 of the sliding member 24
A bearing sleeve 25 is held between the bearing sleeve 25 and b, and the bearing sleeve 25 can slide on the guide shaft 23 with low friction.

Mounting holes 24c, 24c are formed in both left and right ends of the lower bent portion 24b of the sliding member 24. On the other hand, mounting portions 21b and 21b bent in the horizontal direction are provided on the upper surfaces of the guide portions 21a and 21a on both sides of the metal plate 21 fixed to the door member 20.
Female screw holes 21c and 21c are formed in b and 21b. The guide portion 21a extending from the back of the door member 20,
21a extends inward of the main body chassis 2 through the insertion opening 3a or the slit 3d, is further located in the notches 22d and 22d of the support member 22, and has the female screw holes 21c and 21d.
c and the mounting holes 24c, 24c of the sliding member 24 are fixed by screwing.

Therefore, the door member 20 and the sliding member 24 are integrated and guided by the guide shaft 23 stably in the vertical direction in the drawing with low friction, and the guide portions 21a, 21.
The outer surface of a has the insertion port 3a and the slits 3d and 3d.
Slide on the inner surface of. As a result, the door member 20 can be stably slid on the concave curved surface portion 3c of the front surface 3b of the main body panel 3 in the vertical direction in the drawing with a light force. A spring hooking piece 24d is formed integrally with the lower bent portion 24b of the sliding member 24, and a spring hooking member 26 is fixed to the back surface 22g of the support member 22. The hanging pin 27 is fixed. Between the spring hooking pin 27 and the spring hooking piece 24d,
Both arms of the torsion spring 28 are hooked as biasing members.

The torsion spring 28 is a spring hook piece 24d.
The direction in which the biasing force is exerted is reversed depending on the relative position between the spring hooking pin 27 and the spring hooking pin 27. Therefore, when the door member 20 is slid upward in the drawing and the insertion opening 3a is opened, the torsion spring 28 applies a biasing force upward in the drawing to the door member 20, and the door member 20 is stable in the open state. To do. On the contrary, when the door member 20 is lowered and the insertion port 3a is closed by the door member 20, the torsion spring 28
By this, the door member 20 is urged downward in the drawing, and the door member 20 is stabilized in the posture of closing the insertion opening 3a.

A pair of leaf springs 31, 31 are provided on the lower surface of the lower bent portion 24b of the sliding member 24, and the mounting hole 2
It is fixed to 4e and 24e by means such as screwing.
These leaf springs 31 and 31 function as elastic pressing members, and at the lower part thereof, as shown in FIG.
Elastic pressing portions 31a, 31a bent at an angle of degrees are formed. As shown in FIG. 3, when the door member 20 is lowered and the insertion opening 3a is closed, the pair of leaf springs 31 and 31, which are the elastic pressing members, move the support member 22.
Through the two windows (or holes) 22e, 22e formed in the lower part and extending downward, and the elastic pressing portions 31a, 31a are
The two upper corners 15d at the rear end of the unit 15 are shown in FIG.
The F unit is pressed in the F direction, and the component Fx pushes the HD unit 15 in the direction of the connection plug 6.
By y, the upper corner portion 15d of the HD unit 15 becomes the substrate 4
Is pressed in the direction of.

In this navigation system, when the HD unit 15 is inserted, the door member 20 is slid upward in the drawing to open the insertion port 3a. At this time, the leaf spring 31, which is an elastic pressing member, moves together with the door member 20 in the direction away from the substrate 4, so that the leaf spring 31
It does not hinder the insertion operation of the HD unit 15.

The HD unit 15 is inserted through the insertion opening 3a of the main body panel 3 and the opening 22f of the support member 22. As described above, the left and right ridges 1 of the HD unit 15 are inserted.
5b is fitted into the guide groove 7a of the guide member 7.
When the HD unit 15 is pushed in along the guide groove 7a, the connection portion 15a and the contact point 5 of the connection plug 6 are fitted and recessed and connected. After the HD unit 15 is mounted, when the door member 20 is slid downward to close the insertion opening 3a, the elastic pressing portion 31a of the leaf spring 31 that moves together with the door member 20 moves as shown in FIG. The upper corner 15d at the rear end of the HD unit 15 is elastically pressed.

When the elastic pressing portion 31a is elastically pressed against the corner portion 15d at an angle of approximately 45 degrees, the HD unit 15 is pressed in the direction of the connection plug 6 by the component force Fx of the elastic force F in the horizontal direction. To be Also, the component force Fy in the vertical direction
As a result, the protrusion 15b of the HD unit 15 is pressed against the lower surface of the guide groove 7a of the guide member 7. Since the door member 20 receives a downward urging force by the torsion spring 28 which is an urging member in the closed state, the elastic pressing portion 31a stably presses the upper corner portion 15d of the HD unit 15. The elastic force F does not decrease due to external vibration or the like. Both component forces Fx and Fy
Even if external vibration is applied to the device body 1,
The D unit 15 does not rattle, and the contact failure between the contact points of the connection plug 6 and the connection portion 15a does not occur.

As shown in FIG. 3, the elastic pressing portion 31
Although a is suppressed by the upper corner portion 15d at the rear end of the HD unit 15, in a storage unit in which a disk as a recording medium is driven like the HD unit 15, the upper surface of the case of the unit is When the elastic pressure is applied, the elastic force may adversely affect the drive of the internal recording medium. However, when the upper corner 15d is pressed,
The elastic force has almost no effect on the operation of the recording medium inside the unit. Further, when the HD unit 15 is taken out, the door member 20 is slid upward, but since the leaf spring 31 is separated from the HD unit 15 in this opening operation, the subsequent ejection operation of the HD unit 15 is performed.
It is performed in a state where the elastic force F does not act.

[0030]

As described above, according to the present invention, when a storage unit, such as an HD unit, which is pressed into a connection plug and fitted in one direction, is supported, the storage unit receives an elastic pressing force. Therefore, it is possible to prevent a defect from occurring in the connection portion of the storage unit due to the vibration.

Further, by interlocking the elastic pressing member with the door member, the memory unit can be reliably pressed against the connection plug only by inserting the memory unit and closing the door.

[Brief description of drawings]

FIG. 1 is a partial perspective view showing a structure of a mounting portion of a storage unit of a vehicle-mounted navigation system as one configuration example of the present invention,

2 is a view showing an opening / closing mechanism of a door member, which is indicated by I in FIG.
An exploded perspective view taken along the arrow I,

FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 1 showing a state in which the storage unit is loaded and the door member is closed.

[Explanation of symbols]

 1 Equipment Main Body 2 Main Body Chassis 3 Main Body Panel 3a Insertion Port 3c Recessed Curved Surface 4 Substrate 6 Connection Plug 13 Ejection Operation Body 15 HD Unit (Memory Unit) 15d Upper Corner 20 Door Member 24 Sliding Member 28 Torsion as a Biasing Member Spring 31 Leaf spring as elastic pressing member 31a Elastic pressing portion

Claims (3)

[Claims] 1. A device body is provided with a connection plug into which a connection portion of a storage unit is pushed in from one direction and fitted, and an end portion of the storage unit opposite to the connection portion is connected to the connection plug. A support device for a storage unit, comprising an elastic pressing member that presses in a fitting direction. 2. The device body is provided with a door member having an opening through which the storage unit can be inserted from the outside and opening and closing the insertion port, and the elastic pressing member moves together with the door member. The storage unit support according to claim 1, wherein the elastic pressing member presses the storage unit when the door member is in a closed state, and the elastic pressing member separates from the storage unit when the door member is in an open state. apparatus. 3. The storage unit supporting device according to claim 2, further comprising a biasing member that biases the door member in the closing direction when the door member is closed.