JP2001088416A - Stamp pad - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stamp pad without simply taking out an elastic seal member of the pad mounting an elastic sealing member on an inner surface of a cover. SOLUTION: In the stamp pad comprising a cover covering an ink pad and pivotally secured to one side of a stamp pad body having the ink pad and having a groove circumferentially provided on an inner surface of the cover, a sectional trough-like elastic sealing member having an engaging protruding strip engaged with the groove of the body to mount the member on the inner surface of the cover, a cutout part is provided at a sidewall of the groove, and an engaging part engaged with the cutout part is provided at a position corresponding to the cutout part of the side face of the strip. Further, a wall brought into close contact with the side face of the sidewall having the cutout part at the inside face is provided parallel to the strip provided with the engaging part at the member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stamp base having an elastic sealing member attached to an inner surface of a lid.

[0002]

2. Description of the Related Art A stamp base having a structure in which a cover for covering the ink pad is pivotally attached to one side of a stamp base body having an ink pad has been known for a long time. Among such stamp stands, there is a stamp stand in which an elastic seal member is attached to the inner surface of the lid in order to prevent ink leakage and ink volatilization in the closed state. Such a stamp base is disclosed in Japanese Utility Model Laid-Open No. 6-57661 and Japanese Patent Laid-Open No. 6-278352. In the stamp base disclosed therein, a fitting groove is provided around the inner surface of the lid. In addition, the elastic seal member is attached to the inner surface of the lid by fitting the fitting ridge of the elastic seal member having a gutter-shaped cross section into the fitting groove.

However, in the above-described stamp table, the elastic seal member is held in a state attached to the inner surface of the lid only by the fitting force between the fitting ridge and the fitting groove of the lid. If the stamp base is used for a long time, the frequency of opening and closing the lid may increase, or if the fingertip is hooked on the elastic sealing member when opening and closing the lid, the elastic sealing member may come off the lid. there were. In particular, Japanese Utility Model Laid-Open No. 6-57661 and JP-A-6-27835 described above.
In the stamp stand disclosed in No. 2, the front side of the lid (the side opposite to the pivot side) has a thin shape in which the top surface is inclined downward, but when the lid is opened and closed in this manner. If the front side of the lid, which is the part that the finger can easily touch, has a thin shape, it will be easy to catch the fingertip on the elastic seal member on the inner surface of the lid when opening and closing the lid. Accordingly, there has been a problem that the elastic seal member often comes off during the opening / closing operation of the lid.

[0004]

Accordingly, the present invention provides a method for controlling the elasticity of a stamp even if the lid is opened and closed many times due to long-term use of the stamp table or a fingertip is caught on an elastic seal member during opening and closing operations of the lid. An object of the present invention is to provide a stamp base in which a seal member does not easily come off.

[0005]

According to the present invention, in order to solve the above-mentioned problems, a lid for covering the ink pad is pivotally mounted on one side of a stamp base body having an ink pad. A groove is provided on the inner surface, a fitting ridge of an elastic seal member having a gutter-shaped cross section is fitted into the groove, and the elastic seal member is attached to the inner surface of the lid. A notch is provided on the side wall of the groove, and a fitting portion that fits with the notch is provided at a position corresponding to the notch on a side surface of the fitting ridge.

Further, the elastic seal member may be provided with a wall portion which is parallel to the side surface of the fitting ridge provided with the fitting portion and whose inner surface is in close contact with the side surface of the side wall provided with the cutout portion. .

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 6 show an embodiment of a stamp table according to the present invention. Reference numeral 1 denotes a stamp base body, a rectangular box-shaped plastic bottom container 2 having an open top, a rectangular frame-shaped plastic frame 3 fitted into the bottom container 2 from above, and a bottom container 2. And an ink pad 4 housed between the frames 3. The ink pad 4 includes a cushion material 5 placed on the bottom container 2, an ink occlusion body 6 laminated on the cushion material 5, and a surface cloth 7 covering the upper surface of the ink occlusion body 6. , Cushion material 5 and ink occluding body 6
The peripheral edge of the surface cloth 7 is fixed to the frame 3 by a method of heat fusion or ultrasonic fusion.
In addition, foamed polyethylene, foamed polystyrene, or the like can be used as the material of the cushion material 5, wool felt or polyester felt can be used as the material of the ink occluding body 6, and cotton or polyester can be used as the material of the outer cloth 7. Can be

Reference numeral 8 denotes a rectangular plastic lid for covering the upper surface of the surface cloth 7 of the ink pad 4. The pivots 10 at the left and right ends of the shaft 9 provided at the center of the rear side face are positioned behind the stamp base body 1. By being held by bearings 11 provided at two places on the left and right sides of the side surface, the stamp base body 1 is rotatably pivoted. The front side of the lid 8 has a thin shape with the top surface inclined downward. As shown in FIGS. 3, 4, and 5, a rectangular inner peripheral wall 12 and a rectangular outer peripheral wall 1 surrounding the inner peripheral wall 12 are provided on the inner surface of the lid 8.
3, and a rectangular groove 14 is formed between the inner peripheral wall 12 and the outer peripheral wall 13 thereof. An outer groove 15 having a depth smaller than that of the groove 14 is provided on the outer periphery of the outer peripheral wall 13. Further, of the four sides of the inner peripheral wall 12 serving as the side walls of the groove 14, one long side located on the front side of the lid 8 having a thin shape is provided with three notches 16 at regular intervals.

Reference numeral 17 denotes a rectangular frame-shaped elastic seal member made of silicone rubber, which is attached to the inner surface of the lid 8. As shown in FIG. 6, the elastic seal member 17 is provided on the inner peripheral side of the upper surface of a rectangular frame-shaped bottom 18 having an open center.
And a rectangular fitting ridge 19 that fits with the ridge 19 is integrally provided, and a rectangular side 20 whose height is lower than the fitting ridge 19 is integrally provided on the outer peripheral side of the upper surface of the bottom 18. The cross-sectional shape is a gutter shape. And this elastic seal member 17
On the lower surface of the bottom portion 18, a ridge 21 which is in close contact with the upper surface of the frame body 3 is integrally provided so as to surround the ink pad 4 in a state where the lid body 8 is closed. In this state, the sealing effect of the elastic seal member 17 can prevent ink leakage from the ink pad 4 and evaporation of the ink. Further, at three positions on one long side surface of the fitting ridge 19 corresponding to the cutout portion 16, the fitting ridge 1 is provided.
9 fits into the notch 16 when fitted in the groove 14,
A convex fitting portion 22 that fits with the notch 16 is provided integrally.

That is, the elastic seal member 17 is attached to the inner surface of the lid 8 by fitting the fitting ridge 19 into the groove portion 14 and fitting the fitting portion 22 into the notch portion 16. The fitting force between the fitting ridge 19 and the groove portion 14 and the fitting force between the fitting portion 22 and the notch portion 16 cause the lid 8
It is held in a state of being attached to the inner surface of the. Therefore, it is assumed that a force is applied to the elastic seal member 17 such that the lid 8 opens and closes more frequently, or a fingertip is hooked on the elastic seal member 17 during the opening and closing operation of the lid 8, and the like. Also, the elastic seal member 17 has a fitting force between the fitting ridge 19 and the groove 14, a fitting portion 22 and the notch 16.
Is not easily detached from the lid 8 due to the fitting force.
When the elastic seal member 17 is attached to the inner surface of the lid 8,
The outer peripheral side surface of the side portion 20 of the elastic seal member 17 is in close contact with the inner peripheral side surface of the outer groove 15 of the lid 8.

Further, the bottom 1 of the elastic sealing member 17
8, a wall 23 parallel to the fitting ridge 19 provided with the fitting portion 22 is integrally provided on one long side on the side where the fitting portion 22 is provided. . The inner surface of the wall portion 23 is connected to one end of the fitting portion 22, and a notch is formed between the inner surface of the wall portion 23 and one long side surface of the fitting ridge 19 facing the inner surface. A groove 24 into which one long side of the inner peripheral wall 12 provided with the portion 16 enters is formed. And the fitting ridge 19
When the fitting portion 22 is fitted into the notch portion 16 and the fitting portion 22 is fitted into the notch portion 16, one long side of the inner peripheral wall 12 enters the groove 24, and the inner side surface and the inner peripheral wall 12 Are in close contact with each other.

Accordingly, when the above-mentioned wall portion 23 is provided on the elastic seal member 17, the fingertip is hooked on the elastic seal member 17 when the lid 8 is opened, so that the elastic seal member 17 is closed. Even if a force that separates from the body 8 is applied, in addition to the fitting force between the fitting ridge 19 and the groove portion 14 and the fitting force between the fitting portion 22 and the notch portion 16, one long side surface of the inner circumferential wall 12 and the wall Due to the frictional force at the close contact portion on the inner side surface of the portion 23, the elastic seal member 17 is less likely to come off the lid 8. Note that such a wall portion 23 has a thin lid front portion, which is a portion that is most easily touched by a finger when opening and closing the lid 8 as in the present embodiment, It is effective to provide when the whole body has a thin shape. Also, by providing such a wall portion 23, when the elastic seal member 17 is attached to the inner surface of the lid 8, the notch 1
6 and the fitting portion 22 are hidden so that they do not appear at all outside, so that the design of the inner surface of the lid is not impaired.

In this embodiment, the stamp base body 1 is used.
A cover opening button 25 is pivotally attached to the front central portion of the vehicle. The cover opening button 25 is, as shown in FIG.
A portion that is always exposed to the outside continuously with the upper surface of the front side of the front portion is defined as an operation portion 26. A push-up portion 27 is provided at the center of the rear end of the operation portion 26, and two claws 28 Is provided. Also, as shown in FIGS. 2 and 3,
In the front inner surface of the lid 8, two claw receivers 29 are provided which are engaged with the claws 28 of the opening button 25 in the closed state.
Are locked in the closed state. Further, as shown in FIG. 1, a spring 30 that constantly urges the operation unit 26 upward is provided on the front side of the bottom container 2 and below the lid opening button 25. In the closed state, the front inner surface of the lid 8 is in contact with the upper surface of the push-up portion 27 of the lid-opening button 25. By pressing down against this, the lid opening button 25 swings and the push-up portion 27 pushes up the lid 8, whereby the engagement between the claw 28 and the claw receiver 29 is released, and the lid can be opened.

As described above, according to the embodiment of the present invention, the lid 8
Notches 16 are provided at three positions on one long side of the inner peripheral wall 12 which is a side wall of the groove portion 14 on the inner surface of the elastic seal member 17. At three positions corresponding to the notches 16, fitting portions 22 that fit with the notches 16 are integrally provided, and the fitting portions 22 at the opening edges of the bottom 18 of the elastic seal member 17 are further provided. A description has been given of a case in which the wall portion 23 whose inner surface is in close contact with the one long side surface of the inner peripheral wall 12 is integrally provided on one long side of the fitting ridge 19, but the present invention is limited to only the above-described embodiment. However, the present invention is not limited to this, and can be implemented by appropriately changing the design other than the above-described embodiment.

For example, the notches 16 are provided on one long side of the inner peripheral wall 12 located on the front side of the lid and two short sides of the inner peripheral wall 12 facing each other, for a total of three sides. Are provided at positions corresponding to the cutouts 16 on the three side surfaces of the three sides. The notch portion 16, the fitting portion 22, and the wall portion 23 may be provided on the inner peripheral wall 1 respectively.
2. It may be provided on all four sides of the fitting ridge 19 and the opening edge of the bottom 18.

When the lid 8 has a thick shape such as a deep box, the depth of the groove 14 of the lid 8 is increased and the height of the fitting ridge 19 of the elastic seal member 17 is increased. By increasing the height of the notch portion 16 and the fitting portion 22, the fitting force between the fitting ridge 19 and the groove portion 14 is increased.
Since the fitting force between the fitting portion 22 and the notch 16 can be increased, in such a case, only the notch 16 and the fitting portion 22 may be provided without providing the wall 23.

Further, in the above embodiment, the notch 1
6 is provided on the inner peripheral wall 12 serving as a side wall of the groove portion 14,
The notch 16 may be provided on the outer peripheral wall 13 serving as a side wall of the groove 14, and in this case, the fitting portion 2 fitted with the notch 16
2 is a cutout 16 of the outer peripheral wall 13 on the side surface of the fitting ridge 19.
May be provided at a position corresponding to. In the above-described embodiment, the notch 16 and the fitting portion 22 each have three sides.
However, in order to obtain a fitting force in which the elastic seal member 17 does not easily come off from the inner surface of the lid 8,
The notch 16 and the fitting portion 22 are desirably provided at two or more locations on each side.

[0018]

As described above, according to the present invention, the notch is provided on the side wall of the groove formed on the inner surface of the lid pivotally attached to one side of the stamp base body, and is fitted with the groove of the elastic seal member. A fitting portion for fitting the notch portion at a position corresponding to the notch portion on the side surface of the fitting ridge portion to be fitted, and a fitting force between the fitting ridge portion and the groove portion; Since the elastic seal member is kept attached to the inner surface of the lid by the fitting force of the notch, the number of times the lid is opened and closed due to long-term use of the stamp table is increased. Even if the fingertip is hooked on the elastic seal member and a force is applied to the elastic seal member so as to come off the lid,
The elastic sealing member does not easily come off the lid.

Further, the elastic seal member is provided with a wall portion which is parallel to the fitting ridge provided with the fitting portion and whose inner surface is in close contact with the side surface of the side wall provided with the cutout portion. Are formed on the inner surface of the lid by three forces: a fitting force between the fitting ridge and the groove portion, a fitting force between the fitting portion and the notch portion, and a frictional force at a close contact portion between the side wall side surface provided with the notch portion and the inner wall surface. Since the elastic seal member is held in the attached state, the elastic seal member is less likely to come off the lid. Providing such a wall portion on the elastic sealing member is particularly useful for a stamp base having a thin lid.

Furthermore, when the elastic sealing member of the present invention is mounted on the inner surface of the lid, the fitting ridge is fitted into the groove on the inner surface of the lid, and at the same time, the fitting portion of the fitting ridge and the notch on the side wall of the groove are formed. When the wall is provided, the inner surface of the wall is provided with a notch at the same time when the fitting ridge and the groove are fitted and the fitting is fitted with the notch. Close contact with the side wall
The operation of attaching the elastic seal member in the present invention is no different from the conventional operation of attaching the elastic seal member to the inner surface of the lid only by fitting the fitting ridge of the elastic seal member and the groove on the inner surface of the lid. Therefore, according to the present invention, without changing or increasing the steps and procedures when assembling the stamp table,
It is possible to provide a stamp base that prevents the elastic seal member from coming off without making a major design change.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an embodiment of the present invention.

FIG. 2 is a plan view showing an opened state of the embodiment of the present invention.

FIG. 3 is a diagram showing the inner surface of the lid with the elastic seal member removed according to the embodiment of the present invention.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is a partially cutaway perspective view of the elastic seal member according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stamp base body 2 Bottom container 3 Frame 4 Ink pad 5 Cushion material 6 Ink occlusion body 7 Table cloth 8 Lid 9 Shaft part 10 Axis 11 Bearing 12 Inner peripheral wall 13 Outer peripheral wall 14 Groove part 15 Outer groove part 16 Notch part 17 Elastic seal Member 18 Bottom part 19 Fitting ridge 20 Side part 21 Ridge 22 Fitting part 23 Wall part 24 Groove 25 Opening button 26 Operation part 27 Push-up part 28 Claw 29 Claw receiver 30 Spring

Claims (2)

[Claims] 1. A cover for covering said ink pad is pivotally mounted on one side of a stamp base body provided with an ink pad, and a groove is formed on an inner surface of said cover, and a cross section gutter is formed in said groove. A notch is provided on a side wall of the groove on the stamp base in which the fitting ridge of the elastic sealing member is fitted and the elastic sealing member is attached to the inner surface of the lid. A stamp base, wherein a fitting portion for fitting with the notch portion is provided at a position on a side surface corresponding to the notch portion. 2. The elastic seal member according to claim 1, further comprising a wall portion parallel to the fitting ridge provided with the fitting portion and having an inner surface closely contacting a side surface of the side wall provided with the cutout portion. The stamp stand described.