JPH10275454A - Door opening/closing device for electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of parts, to reduce a manufacturing cost and to simplify fitting of a door. SOLUTION: A nearly U-shaped elastic member 10 is integrally formed on a casing 1, and a pressure part 11 of a nearly parallelogrammic section shape integrally formed on the support shaft of the door 3 is inserted into between both elastic branch parts 10b, 10c of the elastic member 10. When the door 3 is turned in the opening direction b from the state closing an opening part 2, the elastic branch parts 10b, 10c are elastic deformed by the pressure part 11, and the control of the door 3 is released from the open state of the opening part 2. Thus, the door 3 is turned in the closing direction (a) by the elastic force of the elastic branch parts 10b, 10c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door opening / closing device provided in an opening formed in a housing of a magnetic tape device, for example.

[0002]

2. Description of the Related Art FIGS. 9 and 10 show an example of a door opening / closing apparatus for a magnetic tape apparatus. this is,
A door 3 is provided in an opening 2 formed in the front of the housing 1,
A pair of left and right support shafts 3a protruding from the upper ends of both ends of the door 3 are rotatably supported by bearings 4 provided on the rear surface of the housing 1, and a spring 5 for urging the door 3 in the closing direction a is provided. And a stopper 6 on one side surface of the door 3 for preventing the door 3 from protruding out of the housing 1, and a stopper 6 for rotating the door 3 in the opening direction b. An engagement piece 8 that engages with the operation lever 7 is provided. In addition, as shown in FIG.
Various operation units 9 such as a power switch 9 a are provided on a front surface of the housing 1.

In the above configuration, the operating lever 7 is moved upward from the state where the door 3 is in the vertical position A and the opening 2 is closed (see the solid line in FIG. 10), so that the door 3 is 3 is rotated in the opening direction b against the spring 5,
As a result, the tape cassette (not shown) is taken out from the opening 2 which is opened with the door 3 in the horizontal position B (see the phantom line in FIG. 10). Is moved downward, the regulation of the door 3 is released, and the door 3 is rotated in the closing direction a by the spring 5, whereby the opening 2 is closed by the door 3.

[0004]

In the above-mentioned conventional configuration,
Since the spring 5 is used to bias the door 3 in the closing direction a, the number of parts is large and the manufacturing cost is high. Door 3
When attaching to the opening 2, it is necessary to fit the spring 5 to one of the support shafts 3a, compress the spring 5, and fit each support shaft 3a to the bearing 4 while maintaining the compressed state. The installation of the door 3 is troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to provide a door opening / closing device for an electronic device which has a small number of parts, can be manufactured at a low cost, and can easily be mounted on a door.

[0006]

SUMMARY OF THE INVENTION To achieve the above object, an invention according to claim 1 is a door opening / closing door for electronic equipment in which an opening / closing door is urged in a closing direction by an urging means. The biasing means is formed of an elastic member integrally formed on a peripheral portion of the opening and engaged with a support shaft of the door, and a pressing portion engaging with the elastic member is integrated with the support shaft. The pressure member is configured to be elastically deformed by the pressurizing portion to urge the door in the closing direction by rotating the door in the opening direction.

In the above structure, when the door is rotated in the opening direction from the closed state, the elastic member is elastically deformed by the pressing portion of the support shaft, and the restriction of the door is released from the opened state of the opening. Accordingly, the door is rotated in the closing direction by the elastic force of the elastic member, whereby the opening is closed by the door.

In this case, since the elastic member for rotating the door in the closing direction is formed integrally with the housing, the number of parts does not increase and the manufacturing cost can be reduced. Also,
The door can be easily attached to the opening by engaging the pressing portion with the elastic member.

According to a second aspect of the present invention, in the first aspect of the present invention, the pressurizing portion is formed in a substantially parallelogram in cross section in which the height between the upper and lower surfaces is set to be smaller than the width between the two side surfaces. The elastic member is in contact with the upper and lower surfaces of the pressing unit when the door is closed.

[0010] According to the above configuration, by simply rotating the door in the opening direction, the elastic member can be elastically deformed by the both side surfaces of the pressurizing portion, and the urging force in the closing direction can be applied to the door.

[0011] The invention according to claim 3 is the invention according to claim 1 or 2.
In the invention described in the above, it is characterized in that both side surfaces of the pressing portion are formed in an arc shape.

According to the above arrangement, when the door is opened,
The elastic member can be gently elastically deformed by the arc-shaped both side surfaces of the pressing portion, and when the door is closed, the elastic deformation of the elastic member is gradually released by the both side surfaces, and the door is closed. Can be gently closed.

The invention according to claim 4 is the invention according to claim 2 or 3.
In the invention described in the above, the elastic member is formed in a substantially U-shape by a base end integrally formed on a peripheral portion of the opening and a pair of elastic branches extending bifurcated in the horizontal direction from the base end. The elastic branch portions are in contact with the upper and lower surfaces of the pressing portion when the door is closed.

According to the above arrangement, when opening the door,
When the door is closed by elastically deforming both elastic branches of the elastic member by the pressurizing section, the elastic deformation of both front elastic branches is released by the pressurizing section, and the door is securely rotated in the closing direction. Can be done.

According to a fifth aspect of the present invention, in the first aspect of the present invention, the pressing portion is formed in a substantially parallelogram having a cross section in which a height between upper and lower surfaces is set to be larger than a width between both side surfaces. The elastic member is in contact with both sides of the pressurizing portion when the door is closed.

According to the above-described structure, the elastic member can be elastically deformed by the upper and lower surfaces of the pressurizing portion to apply the urging force in the closing direction to the door only by rotating the door in the opening direction.

According to a sixth aspect of the present invention, in the fifth aspect of the invention, the upper and lower surfaces of the pressing portion are formed in an arc shape.

According to the above arrangement, when the door is opened,
The elastic member can be gently elastically deformed by the upper and lower surfaces formed in an arc shape of the pressing portion, and when the door is closed, the elastic deformation of the elastic member is gradually released by the upper and lower surfaces, and the door is closed. Can be gently closed.

The invention according to claim 7 is the invention according to claim 5 or 6.
In the invention described in the above, the elastic member is formed in a substantially U-shape by a base end formed integrally with a peripheral portion of the opening and a pair of elastic branches extending bifurcated from the base end in a vertical direction. The elastic branch portions are in contact with both side surfaces of the pressing portion when the door is closed.

According to the above configuration, when the door is opened,
When the door is closed by elastically deforming both elastic branches of the elastic member by the pressurizing section, the elastic deformation of both front elastic branches is released by the pressurizing section, and the door is securely rotated in the closing direction. Can be done.

The invention according to claim 8 is the invention according to claim 4 or 7.
In the invention described above, a curved portion having a larger diameter than the interval between the elastic branch portions is provided between the base end portion of the elastic member and the two elastic branch portions.

According to the above configuration, when the door is opened,
The bending portion is elastically deformed by the pressing portion, so that both elastic branch portions can be easily pushed and spread, whereby the door can be opened smoothly. Also, when closing the door,
By releasing the elastic deformation of the curved portion, the door can be reliably turned in the closing direction.

According to a ninth aspect of the present invention, in the first aspect of the present invention, a pair of parallel hanging rods is vertically provided on a peripheral portion of the opening, and a pair of parallel hanging rods is provided between the two hanging rods. Is provided, and a pressurizing portion is fitted between the two elastic members.

According to the above arrangement, when the door is opened,
When the door is closed by elastically deforming the pair of elastic members by the pressurizing unit, the elastic deformation of the pair of elastic members is released by the pressurizing unit, and the door can be reliably rotated in the closing direction. .

According to a tenth aspect of the present invention, in the first aspect of the invention, a pair of elastic members parallel to each other hang down from a peripheral edge of the opening, and a pressing portion is fitted between the two elastic members. It is characterized by having.

According to the above arrangement, when the door is opened,
When the door is closed by elastically deforming the pair of elastic members by the pressurizing unit, the elastic deformation of the pair of elastic members is released by the pressurizing unit, and the door can be reliably rotated in the closing direction. .

[0027] The invention according to claim 11 is the invention according to claims 1 to 1
0, wherein the opening is formed in a housing of the magnetic tape device.

According to the above configuration, the opening of the magnetic tape device can be reliably opened and closed by the door.

[0029]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 3 show a door opening / closing device for a magnetic tape device according to a first embodiment of the present invention, in which an elastic member 10 is integrally formed on the back surface of a front wall 1 a of a housing 1. A pressing portion 11 that engages with the elastic member 10 is formed integrally with one of the support shafts 3a. Since the configuration other than the above is substantially the same as the conventional example shown in FIGS. 9 and 10,
The same portions are denoted by the same reference numerals and description thereof will be omitted.

The pressing unit 11 includes upper and lower surfaces 11a, 11b
The height h between them is set to be smaller than the width t between both side surfaces 11c and 11d (h <t), and the cross section is formed in a substantially parallelogram,
Both side surfaces 11c and 11d are formed in an arc shape.

The elastic member 10 has a base end 10a integrally formed on the back surface of the front wall 1a, and a pair of elastic branches 10b and 10c extending horizontally from the base end 10a in a bifurcated manner. The elastic branch portions 10b and 10c are in contact with the upper and lower surfaces 11a and 11b of the pressurizing portion 11 when the door 3 is closed (see the solid line in FIG. 1).

In the above configuration, the operating lever 7 is moved upward from the state where the door 3 is in the vertical position A and the opening 2 is closed (see the solid line in FIG. 1), so that the door 3 is When the door 3 is turned in the opening direction b, the door 3 is set in the horizontal posture B, and the opening 2 is opened. As a result, both elastic branch portions 10b, 10c are separated by the both side surfaces 11c, 11d of the pressing portion 11. The tape cassette (not shown) is drawn out and elastically deformed (see the phantom line in FIG. 3), and the tape cassette (not shown) is taken out from the opened opening 2 (see the phantom line in FIG. 1). By moving the operation lever 7 downward, the regulation of the door 3 is released, and the door 3 is rotated in the closing direction a by the elastic force of the elastic branch portions 10b and 10c. 3 closed.

In this case, since the elastic member 10 for rotating the door 3 in the closing direction a is formed integrally with the housing 1, the number of parts does not increase and the manufacturing cost can be reduced. Further, the door 3 can be easily attached to the opening 2 by engaging the pressurizing portion 11 with the elastic member 10.

The pressing unit 11 has upper and lower surfaces 11a, 11a.
Since the height h between the two sides b is set to be smaller than the width t between the side faces 11c and 11d (h <t), the cross section is formed in a substantially parallelogram, so that the door 3 is simply rotated in the opening direction b. so,
The elastic branch portion 10 is formed by both side surfaces 11c and 11d of the pressing portion 11.
The urging force in the closing direction a can be applied to the door 3 by elastically deforming the doors b and 10c.

Furthermore, since the side surfaces 11c and 11d are formed in an arc shape, the elastic branches 10b and 10c can be gently elastically deformed by the side surfaces 11c and 11d when the door 3 is opened. When the door 3 is closed, both sides 11c and 11d allow the elastic branch portion 10 to be closed.
The door 3 can be gradually closed by gradually releasing the elastic deformations b and 10c.

FIG. 4 shows a main part of a door opening / closing device for a magnetic tape device according to a second embodiment of the present invention. The pressing portion 11 has a height h between the upper and lower surfaces 11a and 11b. Is set to be larger than the width t between both side surfaces 11c and 11d (h>
t) is formed in a substantially parallelogram in cross section, and the upper and lower surfaces 11
a and 11b are formed in an arc shape. The configuration other than the above is substantially the same as that of the first embodiment shown in FIGS.

The elastic member 10 is substantially U-shaped by a base end 10a integrally formed on the back surface of the front wall 1a and a pair of elastic branches 10b and 10c extending upward from the base end 10a. The elastic branch portions 10b and 10c are in contact with both side surfaces 11c and 11d of the pressing portion 11 when the door 3 is closed. In addition, the base end portion 10a and both elastic branch portions 10b,
10c, a curved portion 12 having a larger diameter β than the interval α between the elastic branch portions 10b and 10c is provided.

In the above configuration, the door 3 is rotated in the opening direction b from the state in which the door 3 is in the vertical position A and the opening 2 is closed (see the solid line in FIG. 5), so that the door 3 is in the horizontal position. B and the opening 2 is opened, whereby
The upper and lower surfaces 11a and 11b of the pressurizing portion 11 serve to
Ob and 10c are expanded and elastically deformed (see the phantom line in FIG. 4), and the opening 2 is opened. When the regulation of the door 3 is released from the open state of the opening 2, the two elastic branches 10 are released.
The door 3 is rotated in the closing direction a by the elastic force of b and 10c, whereby the opening 2 is closed by the door 3.

In this case, the pressurizing portion 11 has upper and lower surfaces 11a,
Since the height h between the surfaces 11b is set to be larger than the width t between the side surfaces 11c and 11d (h> t), the door 3 is rotated in the opening direction b because the cross section is formed in a substantially parallelogram. With only this, the elastic branch portions 10b and 10c can be elastically deformed by the upper and lower surfaces 11a and 11b of the pressurizing portion 11 to apply the urging force in the closing direction a to the door 3.

Further, the upper and lower surfaces 11a, 11b
Are formed in an arc shape, so that when the door 3 is opened, the elastic branches 10b, 10b,
10c can be gently elastically deformed,
When closing the door 3, the elastic deformation of the elastic branches 10b, 10c is gradually released by the upper and lower surfaces 11a, 11b, so that the door 3 can be closed gently.

Further, when the door 3 is opened, the pressing portion 11
The curved portion 12 is elastically deformed by the
10c can be easily spread out,
The door 3 can be opened smoothly. Door 3
When closing the door, the elastic deformation of the curved portion 12 is released, and the door 3 can be surely rotated in the closing direction a. Note that the curved portion 12 is also provided between the base end portion 10a and the elastic branch portions 10b and 10c in the first embodiment shown in FIGS.
May be provided.

FIG. 5 shows a main part of a door opening / closing device for a magnetic tape device according to a third embodiment of the present invention. A vertically extending rod 13 is vertically suspended, and a pair of parallel elastic members 10 is provided between the both vertically extending rods 13.
The pressing portion 11 is inserted between them. Further, the pressing unit 11
However, the height h between the upper and lower surfaces 11a and 11b is
It is formed in a substantially parallelogram in cross section set smaller than the width t between 11d (h <t). The configuration other than the above is shown in FIG.
3 is almost the same as the first embodiment shown in FIG.
The description is omitted.

In the above configuration, the door 3 is turned in the opening direction b from the state where the door 3 is in the vertical position A and the opening 2 is closed (see the solid line in FIG. 5), so that the door 3 is in the horizontal position. B and the opening 2 is opened, whereby
The two elastic members 1 are formed by both side surfaces 11c and 11d of the pressing portion 11.
0 is expanded and elastically deformed (see the phantom line in FIG. 5),
The opening 2 is opened. When the regulation of the door 3 is released from the opened state of the opening 2, the door 3 is rotated in the closing direction a by the elastic force of the two elastic members 10, whereby the opening 2 is closed by the door 3. .

FIG. 6 shows a main part of a door opening / closing device for a magnetic tape device according to a fourth embodiment of the present invention. The elastic members 10 are hung down, the lower end portions of the two elastic members 10 are integrally connected by a connecting rod 14, and the pressing portion 11 is fitted between the two elastic members 10. Further, the pressing unit 11 adjusts the height h between the upper and lower surfaces 11a and 11b to the side surfaces 1a.
It is formed in a substantially parallelogram in cross section set to be larger than the width t between 1c and 11d (h> t). The configuration other than the above is substantially the same as that of the first embodiment shown in FIGS.

In the above configuration, the door 3 is turned in the opening direction b from the state in which the door 3 is in the vertical position A and the opening 2 is closed (see the solid line in FIG. 6), so that the door 3 is in the horizontal position. B and the opening 2 is opened, whereby
The two elastic members 1 are formed by the upper and lower surfaces 11a and 11b of the pressing portion 11.
0 is expanded and elastically deformed (see the phantom line in FIG. 6),
The opening 2 is opened. When the regulation of the door 3 is released from the opened state of the opening 2, the door 3 is rotated in the closing direction a by the elastic force of the two elastic members 10, whereby the opening 2 is closed by the door 3. .

In each of the above embodiments, as shown in FIG. 7, the bearing 4 is formed by an eye plate having a through hole 16 through which the support shaft 3a is rotatably fitted. Instead, for example, as shown in FIG. 8, a member formed in a J-shape may be used.

[0047]

According to the first aspect of the present invention, since the elastic member for rotating the door in the closing direction is integrally formed with the housing, the number of parts does not increase and the manufacturing cost is reduced. be able to. Further, the door can be easily attached to the opening by engaging the pressurizing portion with the elastic member.

According to the second aspect of the present invention, the pressing portion is
Since the upper and lower surfaces are formed in a substantially parallelogram in cross section in which the height between the upper and lower surfaces is set to be smaller than the width between the two side surfaces, the door is only rotated in the opening direction, and the elasticity is increased by the both side surfaces of the pressing portion. The member can be elastically deformed to apply a biasing force to the door in the closing direction.

According to the third aspect of the present invention, since the both sides of the pressing portion are formed in an arc shape, the elastic member can be gently elastically deformed by the both sides when the door is opened. In addition, when the door is closed, the elastic deformation of the elastic member is gradually released by the both side surfaces, so that the door can be closed gently.

According to the fourth aspect of the present invention, when the door is opened, the elastic portions of the elastic member are elastically deformed by the pressurizing portion, and when the door is closed, the front and rear portions are formed by the pressurizing portion. By releasing the elastic deformation of the elastic branch portion, the door can be reliably turned in the closing direction.

According to the fifth aspect of the present invention, the pressing portion is
The upper and lower surfaces are formed in a substantially parallelogram with a cross section that is set to be greater than the width between the two side surfaces. The member can be elastically deformed to apply a biasing force to the door in the closing direction.

According to the sixth aspect of the present invention, since the upper and lower surfaces of the pressing portion are formed in an arc shape, the elastic member can be gently elastically deformed by the upper and lower surfaces when the door is opened. In addition, when the door is closed, the elastic deformation of the elastic member is gradually released by the upper and lower surfaces, and the door can be closed gently.

According to the seventh aspect of the present invention, when the door is opened, both elastic branches of the elastic member are elastically deformed by the pressurizing portion, and when the door is closed, the front and rear portions are pressed by the pressurizing portion. By releasing the elastic deformation of the elastic branch portion, the door can be reliably turned in the closing direction.

According to the eighth aspect of the present invention, since the large-diameter curved portion is provided between the base end portion of the elastic member and the two elastic branch portions, when the door is opened, the pressurizing portion is provided. Thereby, the curved portion can be elastically deformed, and the elastic branch portions can be easily pushed and widened, whereby the door can be opened smoothly. Also, when the door is closed, the elastic deformation of the curved portion is released, and the door can be reliably turned in the closing direction.

According to the ninth aspect of the present invention, when the door is opened, the pair of elastic members are elastically deformed by the pressurizing portion, and when the door is closed, the pair of elastic members are formed by the pressurizing portion. By releasing the elastic deformation, the door can be surely rotated in the closing direction.

According to the tenth aspect, when the door is opened, the pair of elastic members are elastically deformed by the pressing portion, and when the door is closed, the pair of elastic members are formed by the pressing portion. By releasing the elastic deformation, the door can be surely rotated in the closing direction.

According to the eleventh aspect, the opening of the magnetic tape device can be reliably opened and closed by the door.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a door opening / closing device for a magnetic tape device according to a first embodiment of the present invention.

FIG. 2 is a perspective view of the same.

FIG. 3 is an enlarged side view of the main part.

FIG. 4 is an enlarged side view of a main part of a door opening / closing device for a magnetic tape device according to a second embodiment of the present invention.

FIG. 5 is an enlarged side view of a main part of a door opening / closing device for a magnetic tape device according to a third embodiment of the present invention.

FIG. 6 is an enlarged side view of a main part of a door opening / closing device for a magnetic tape device according to a fourth embodiment of the present invention.

FIG. 7 is an enlarged side view showing an example of the bearing.

FIG. 8 is an enlarged side view showing another example of the bearing.

FIG. 9 is a front view of a conventional magnetic tape device.

FIG. 10 is a longitudinal sectional view of the main part.

[Explanation of symbols]

 2 Opening 3 Door 3a Support shaft 10 Elastic member (biasing means) 10a Base end of elastic member 10b Elastic branch of elastic member 10c Elastic branch of elastic member 11 Pressing portion 11a Upper surface of pressing portion 11b Pressing Lower surface of part 11c Side surface of pressure part 11d Side surface of pressure part 12 Curved part 13 Vertical rod

Claims (11)

[Claims] 1. A door opening / closing device for an electronic device, wherein a door provided in an opening portion so as to be openable and closable is urged in a closing direction by an urging means, wherein the urging means is formed integrally with a peripheral edge of the opening. Made of an elastic member engaged with the support shaft of the door,
A pressing portion engaging with the elastic member is formed integrally with the support shaft, and by rotating the door in an opening direction, the elastic member is elastically deformed by the pressing portion to close the door in a closing direction. A door opening / closing device for an electronic device, characterized in that the door opening / closing device is configured to urge the door. 2. The pressurizing section is formed in a substantially parallelogram in cross section in which a height between upper and lower surfaces is set smaller than a width between both side faces, and upper and lower surfaces of the pressurizing section when a door is closed. The door opening / closing device for an electronic device according to claim 1, wherein the elastic member is in contact with the door. 3. The electronic device door opening / closing device according to claim 1, wherein both side surfaces of the pressing portion are formed in an arc shape. 4. The elastic member is formed in a substantially U-shape by a base end integrally formed with a peripheral portion of the opening and a pair of elastic branches extending horizontally from the base end. And
4. The door opening and closing device for an electronic device according to claim 2, wherein both elastic branch portions are in contact with upper and lower surfaces of the pressurizing portion when the door is closed. 5. The pressing portion is formed in a substantially parallelogram in cross section in which the height between upper and lower surfaces is set to be larger than the width between both side surfaces, and both side surfaces of the pressing portion when the door is closed. The door opening / closing device for an electronic device according to claim 1, wherein the elastic member is in contact with the door. 6. The door opening / closing device for an electronic device according to claim 5, wherein upper and lower surfaces of the pressing unit are formed in an arc shape. 7. The elastic member is formed in a substantially U-shape by a base end integrally formed with a peripheral portion of the opening and a pair of elastic branches extending vertically from the base end. And
7. The door opening and closing device for an electronic device according to claim 5, wherein both elastic branch portions are in contact with both side surfaces of the pressurizing portion when the door is closed. 8. A curved portion having a larger diameter than a space between the elastic branches is provided between a base end of the elastic member and the elastic branches. Or a door opening and closing device for electronic equipment according to 7. 9. A pair of parallel hanging rods are suspended from a peripheral edge of the opening, and a pair of elastic members parallel to each other are provided between the hanging rods. 2. The door opening / closing device for an electronic device according to claim 1, wherein a pressure portion is fitted. 10. The electronic device according to claim 1, wherein a pair of elastic members parallel to each other hang down from a peripheral edge of the opening, and a pressing portion is fitted between the two elastic members. Door opening and closing device. 11. The electronic device door opening / closing device according to claim 1, wherein the opening is formed in a housing of the magnetic tape device.