JP2000128201A - Small animal storing box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and surely open and close a container body, to surely close the container body and a lid body, and to prevent a small animal from escaping. SOLUTION: A small animal storing box 11 is provided with a box-shaped container body 12 whose top part is opened, a lid body 13 covering the top part opening of the container body 12 and a connecting piece 14 for connecting rotatably the lid body 13 with the container body 12. In addition, when the lid body 13 is closed by being rotated, the outer face of the lid body 13 and the outer face of the container body are made to become approximately the same surface. In addition, the connecting parts between the container body 12 and the connecting piece 14 are constituted with inclined faces each other and the connecting parts between the connecting piece 14 and the lid body 13 are constituted with oblique faces each other and when the lid body 13 is closed by being rotated, the outer faces of the container body 12, the connecting piece 14 and the lid body 13 are made to become approximately the same surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small animal storage box used to store and transport small animals such as mice and guinea pigs for conducting animal experiments.

[0002]

2. Description of the Related Art Conventionally, a small animal storage box of this type has a bottomed box-shaped container body and a lid for closing an upper opening of the container body. Is known to be composed separately. further,
This small animal storage box has been used in such a manner that an adhesive tape such as a vinyl tape is attached to the container main body and the lid so that the lid does not come off from the container main body during transportation, and is kept closed.

[0003]

However, in the above-mentioned conventional small animal storage box, before the small animal is stored, the lid is placed in advance on the opening of the upper surface of the container main body, and the container main body can be immediately closed by the lid. After all preparations were made, small animals were housed. However, this preparation is time-consuming and troublesome, and in the case where a small animal starts rampaging just before containing, the lid may fall from the top opening of the container body and the container body may not be closed immediately. There was sex. Furthermore, small test animals specially prepared for special experiments are often very expensive and valuable, so if a small animal escapes, its damage should be measured. It may be unknown.

[0004] On the other hand, in the small animal storage box, if there is a step between the container body and the lid at the sticking portion of the adhesive tape, the adhesive tape tends to peel off, and in some cases, the small animal may escape. There was also.

The present invention has been made by focusing on the problems existing in such prior art. The purpose is to provide a small animal storage box that can easily and reliably open and close the container body, can securely close the container body and the lid, and can prevent the escape of small animals. To provide.

[0006]

In order to achieve the above object, a small animal container according to claim 1 has a box-shaped container body having an open upper part, and a lid for covering an upper opening of the container body. Body and a connecting piece for rotatably connecting the lid to the container body, and when the lid is rotated and closed, the outer surface of the lid and the outer surface of the container body are substantially flush. It is configured as follows.

According to a second aspect of the present invention, the connecting portion between the container body and the connecting piece according to the first aspect is formed of an inclined surface, and the connecting portion between the connecting piece and the lid is inclined. When the lid is closed by rotating the lid, the outer surfaces of the container body, the connecting piece, and the lid are substantially flush with each other.

According to a third aspect of the present invention, there is provided the small animal storage box, wherein the angle formed between the inclined surface of the container body according to the second aspect and a horizontal plane is as follows:
The sum of the angle between the inclined surface of the connecting piece and the outer surface of the connecting piece is 9
0 °, and when the lid is rotated and closed, the sum of the angle between the inclined surface of the lid and the horizontal plane and the angle between the inclined surface of the connecting piece and the outer surface of the connecting piece is 90 °.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1 to 4, the small animal storage box 11 is entirely made of synthetic resin, and has a bottomed rectangular box-shaped container body 12 and a lid 13 at an upper opening of the container body 12. The container body 12 and the lid 13 are integrally formed via a connecting piece 14. The small animal storage box 11 is designed to store small test animals such as mice, rats, and guinea pigs in its internal storage space.

The container body 12 has a flat bottom wall 15 and a pair of long side walls 16 each having a tapered shape that widens toward the top.
And a short side wall 17. further,
The surfaces of the side walls 16 and 17 in the container body 12 are smooth. The support legs 18 are formed to protrude cylindrically from the lower surface of the bottom wall 15 at four corners on the lower surface of the bottom wall 15 so as to support the container body 12.

As shown in FIGS. 1 and 6, the upper flange 19 is formed so as to protrude continuously in the horizontal direction at the upper edge of the upper opening of the container body 12, and the outer peripheral edge thereof is suspended. The lower flange 20 is formed at the lower end edge of the upper flange 19 so as to protrude continuously in the horizontal direction, and hangs from an outer peripheral edge thereof via a step portion 21.

As shown in FIG. 3 and FIG.
Is suspended from the upper flange 19 at the upper part of the container body 12 and is provided so as to connect the lower flange 20 to the long side wall 16 or the short side wall 17. The upper and lower flanges 19, 20 and the upper rib 22 can prevent the side walls 16, 17 from being bent and deformed even when a force is applied to the side walls 16, 17 from the outside. I have.

As shown in FIGS. 1 to 5, the lid 13 is formed in a substantially rectangular shape, and a flange portion 23 is suspended from an outer peripheral edge thereof. As shown in FIG. 7A, the connection piece 14 is formed in a trapezoidal cross section, and one side edge is connected to the step portion 21 of the lower flange 20 on one short side wall 17 of the container body 12. The other side edge is connected to the flange portion 23 on the short side of the lid 13. As shown in FIGS. 7A to 7C, in these connecting portions, the connecting piece 14 can rotate with respect to the container body 12 and also can rotate with respect to the lid 13. I can do it. Therefore, the connecting piece 14 is the lid 1
It has a hinge function between the container body 3 and the container body 12, and is configured such that the lid 13 can be opened and closed rotatably with respect to the container body 12.

The first inclined surface 24 is the container body 1 of the connecting piece 14.
2, the connecting piece 14 is formed as shown in FIG.
When the small animal accommodating box 11 is closed by rotating the lid 13 around the center, the second inclined surface 25 formed on the lower flange 20 of the container body 12 is overlapped. Further, the first inclined surface 24 is formed so as to form an angle of 45 ° with the outer surface of the connecting piece 14, and the second inclined surface 25 is formed so as to form an angle of 45 ° with the horizontal plane.

The first inclined surface 26 is formed on the side of the lid 13 of the connecting piece 14, and as shown in FIG. 7C, the lid 13 is rotated about the connecting piece 14 to Is closed, the second inclined surface 27 formed on the flange portion 23 of the lid 13 is overlapped. Further, the first inclined surface 26 is formed so as to form an angle of 45 ° with the outer surface of the connecting piece 14, and the second inclined surface 27 is rotated 45 ° with respect to the horizontal plane when the lid 13 is closed by rotating the lid 13. It is formed so as to form an angle of °.

As shown in FIGS. 5 and 7C, the lid 1
3, when the container body 12 is closed, the outer surface of the lower flange 20 of the container body 12, the outer surface of the connecting piece 14, and the lid 13
The outer surface of the flange portion 23 is formed to be substantially flush. Therefore, the adhesive tape 28 can be easily attached to this surface, and the adhesive tape 2
8 can be prevented from peeling off.

On the other hand, as shown in FIGS.
When the container body 12 is closed by 3, the lower end edge of the flange portion 23 of the lid 13 overlaps the step portion 21 of the container body 12, and the lower surface of the lid 13 overlaps the upper surface of the upper flange 19. . Further, at this time, as shown in FIG. 6, the outer peripheral surface of the lid 13 and the outer peripheral surface of the lower flange 20 are formed to be substantially flush. Therefore, as shown in FIG. 1, a continuous surface formed by the outer peripheral surface of the flange portion 23 and the outer peripheral surface of the lower flange 20 has:
The adhesive tape 28 can be easily adhered, and peeling of the adhered adhesive tape 28 can be prevented.

The ventilation portion 29 is constituted by both side walls 16 on the long side of the container body 12 and a plurality of ventilation holes 30 penetrated through the lid 13. Four portions are formed on the long side wall 16 of the main body 12. Each of these ventilation portions 29 is provided on the side wall 16.
And a non-woven fabric 31 welded to the outer surface of the lid 13.

As shown in FIGS. 1 and 3, the engaging portion 32 has a mounting portion 33 formed on the upper surface of the lid 13 so as to project substantially in a cross shape. And a projection L having a substantially L-shaped cross section, which is formed so as to project one step higher than the mounting portion 33. This engagement part 3
2 is a support leg 18 formed on the bottom wall 15 of the container body 12 when a plurality of small animal storage boxes 11 are stacked vertically.
And is adapted to be engaged.

When the small animal container 11 of the above embodiment is used, first, the lid 13 is rotated with respect to the container main body 12 to open the container main body 12, and the state shown in FIG. 5 is changed to the state shown in FIG. After that, a bottom pad (not shown) is laid on the bottom wall 15 in the container body 12. When small animals are to be stored for a long period of time, a water supply device and a feed box (not shown) are fixed in the container body 12. Next, small animals such as mice, rats, and guinea pigs are accommodated in the accommodation space of the container main body 12, and the lid 13 is immediately rotated to close the container main body 12 as shown in FIG.

At this time, as shown in FIG.
The lid 13 that has been opened and arranged in a substantially horizontal direction,
With the rotation, through the state shown in FIG. 7 (b), as shown in FIG. 7 (c), it is engaged with the upper part of the opening of the container body 12. 7 (c), the first inclined surface 24 is connected to the container main body 12 in the state shown in FIG.
And the first inclined surface 26 overlaps the second inclined surface 27 of the lid 13. Further, FIG.
As shown in FIG. 6C and FIG. 6, the lower surface of the lid 13 and the upper flange 19 of the container body 12 overlap, and the lid 1
The lower edge of the third flange portion 23 overlaps the lower flange 20. For this reason, the lid 13 is fitted to the container body 12, and the fitted state can be maintained by the weight of the lid 13.

Finally, as shown in FIG.
Outer peripheral surface of lower flange 20 and flange 2 of lid 13
Adhesive tape 28 on the continuous surface formed by the
The cover 13 is fixed to the container body 12 in a closed state, and the small animal storage box 11 is transported. And lid 1
The closed state between the container 3 and the container body 12 can be reliably maintained by the action of the adhesive tape 28.

When a plurality of small animal storage boxes 11 are transported in a vertically stacked state, the supporting legs 18 protruding from the bottom wall 15 of the container body 12 located above are attached to the small animal storage box 11 located below. 11 are engaged from above the engaging portion 32 formed on the upper surface of the lid 13 and are sequentially stacked by engaging them. The engaging portion 32 is provided with a locking projection 3.
4 protrudes one step higher than the mounting portion 33, even when a force such as vibration or impact is applied to the small animal housing box 11, the support legs 18 are engaged with the locking projections 34 and are positioned in the horizontal direction. The deviation is regulated.

As described above, according to this embodiment, the following effects are exhibited. In the small animal storage box 11 of the embodiment, the container body 12 and the lid 13 are connected by the connection piece 14 and are integrally formed so as to be rotatable by a hinge function. For this reason, the container body 1
2 can be easily and reliably opened and closed,
Small animals can be easily and reliably accommodated. Furthermore, dust and the like can be prevented from entering the container body 12 by the lid 13.

According to the small animal storage box 11 of the embodiment, the outer peripheral surface of the lower flange 20 of the container body 12 and the lid 1
The outer peripheral surface of the third flange portion 23 forms a continuous surface and is flush with the outer peripheral surface. Therefore, the adhesive tape 28 can be easily adhered to a continuous surface straddling the outer peripheral surfaces thereof, and the adhesive tape 28 is not easily peeled off. As a result, the container body 12
Can be prevented from coming off, and escape of small animals can be prevented.

In the small animal container 11 of the embodiment, an upper flange 19 and a lower flange 20 are formed in an upper opening of the container body 12, and a flange 23 is formed on an outer peripheral edge of the lid 13. When the container main body 12 is closed by the lid 13, the flange portion 23 of the lid 13 is connected to the upper and lower flanges 19, 2 of the container main body 12.
0 is fitted. Therefore, even when the small animal storage box 11 is deformed by an external force, the small animal storage box 11 is not easily released from the closed state, and the possibility of escape of the small animal can be reduced.

In the small animal container 11 of the embodiment, the first inclined surface 24 of the connecting piece 14 is the second inclined surface 2 of the container body 12.
5, and the first inclined surface 26 of the connecting piece 14 is overlapped with the second inclined surface 27 of the lid 13. Further, the first inclined surface 24 and the first inclined surface 26 are formed so as to form an angle of 45 ° with the outer surface of the connecting piece 14, and the second inclined surface 25 is formed so as to form an angle of 45 ° with the horizontal plane. When the lid 13 is rotated and closed, the second inclined surface 27 is at 45 ° with respect to the horizontal plane.
At an angle.

For this reason, when the container body 12 is closed by the lid 13, the outer surface of the lower flange 20 of the container body 12,
The outer surface of the connecting piece 14 and the outer surface of the flange portion 23 of the lid 13 form a continuous surface and become flush, and the adhesive tape 28 can be adhered to the continuous surface. As a result, the container body 12
And the lid 13 can be more reliably closed, and escape of the small animal can be prevented. Further, the displacement of the lid 13 in the longitudinal direction with respect to the container body 12 is restricted, and the small animal storage box 11 can be more reliably closed. In addition, since the lid 13 is securely held horizontally with respect to the container main body 12, the lid 13 can be accurately positioned with respect to the container main body 12.

According to the small animal storage box 11 of the embodiment, the side walls 16, 17 in the container body 12 are made smooth so that the small animal claws are hardly caught on the side walls 16, 17. , 17 to escape effectively.

According to the small animal storage box 11 of the embodiment, since the support legs 18 project from the bottom wall 15 of the container main body 12, the bottom surface of the container main body 12 can be easily held. Can be easily transported. Further, by projecting the engaging portion 32 on the upper surface of the lid 13, when the plurality of small animal storage boxes 11 are vertically stacked, it is possible to prevent the upper and lower small animal storage boxes 11 from being displaced in the horizontal direction. Can be. In addition, the engaging portion 3
By forming the locking projections 34 on the base 2, even if a force such as vibration or impact is applied during transportation, a large horizontal displacement can be effectively prevented.

According to the small animal storage box 11 of the embodiment, the upper flange 19 and the lower flange 20 are formed at the upper edge of the upper opening of the container body 12. For this reason, even if a force is applied to each of the side walls 16 and 17 from the outside, the upper and lower flanges 19 and 20 bear the force, and the bending of the side walls 16 and 17 of the container body 12 can be prevented. Therefore, the outer peripheral surface of the flange portion 23 and the lower flange 2
A continuous surface formed between the outer peripheral surface of the adhesive tape and the adhesive tape is not easily peeled off. Furthermore, since the upper rib 22 is formed so as to connect the upper flange 19, the lower flange 20, and the side walls 16, 17, the deformation of the small animal storage box 11 can be more effectively suppressed. In addition, when transporting the small animal storage box 11, the small animal storage box 11 can be easily transported by gripping the lower part of the upper flange 19 of the container body 12.

According to the small animal storage box 11 of the embodiment, the survival of the small animal during transportation can be reliably maintained by providing the ventilation section 29 including the large number of ventilation holes 30. Furthermore, when a small animal is accommodated for a long period of time, the survival of the small animal can be more reliably maintained by fixing a water supply device and a feed box in the container body 12. In addition, the nonwoven fabric 3
By welding 1, changes in the external environment that the small animal receives during transportation can be reduced, and thus the stress that the small animal receives can be reduced.

The above embodiment can be modified and embodied as follows. In the small animal storage box 11 of the embodiment, the step 21
Is narrowed to substantially eliminate the space formed by the step portion 21, the upper flange 19, and the flange portion 23.

In this case, the upper flange 1
9 is fitted to the lower surface of the lid 13 and the inner surface of the flange portion 23, when the container 13 is closed by the lid 13, the lid 13 is displaced horizontally with respect to the container 12. Is restricted, and the small animal storage box 11 can be closed more reliably.

In the small animal storage box 11 of the embodiment, the first inclined surface 24 or the first inclined surface 26 of the connecting piece 14 is changed to an inclination angle of, for example, 30 ° or 60 ° with respect to the outer surface of the connecting piece 14. And, correspondingly, the lid 13
Is turned to close the second inclined surface 25 or the second inclined surface 27 to an angle of 60 ° or 30 ° with respect to the horizontal plane.

In the small animal storage box 11 of the embodiment, the position where the adhesive tape 28 is stuck is the small animal storage box 1
In FIG. 1, there are three side surfaces on which the connecting piece 14 is not provided, but the adhesive tape 28 may be attached to four side surfaces including the side surface on which the connecting piece 14 is provided. Further, the adhesive tape 28 may be attached to at least one side surface opposite to the side surface on which the connecting piece 14 is provided.

In the small animal storage box 11 of the embodiment, the upper flange 19 and the lower flange 2 of the container body 12
An engagement projection is provided on the surface of at least one member of the flange portion 23 of the lid 13 and the lid 13, and when the container body 12 is closed by the lid 13, the engagement projection is fitted to a position corresponding to the engagement projection. Provide a matching recess.

With this configuration, the container body 12 can be more reliably closed by the lid 13. In the small animal storage box 11 of the embodiment, the engaging portion 32
Is formed in a cylindrical shape having a diameter different from that of the support leg 18.

With this configuration, when the plurality of small animal storage boxes 11 are stacked one on top of the other, the engagement portion 32 and the support leg 18 can be more securely engaged with each other. Can be prevented.

In the small animal storage box 11 of the embodiment, a viewing window through which the entire inside of the container main body 12 can be viewed is provided.
Perforating the side wall 16 on the long side, the side wall 17 on the short side, or the lid 13 and closing the viewing window with an openable / closable lid. In addition, cover the viewing window with a transparent synthetic resin film.

In the case of such a configuration, the small animal storage box 1
During transportation of the container body 1, the adhesive tape 28 is peeled off from the small animal storage box 11 and the container body 12 is not opened.
Since it is possible to easily grasp the state of the inside, troubles of small animals during transportation work can be reduced. Furthermore, when a viewing window is provided on the long side wall 16 or the short side wall 17, the state inside the container body 12 can be easily achieved even when a plurality of small animal storage boxes 11 are stacked vertically and transported. Can be grasped.

The small animal storage box 11 of the embodiment is formed by antibacterial processing or is subjected to antibacterial treatment. In the case of such a configuration, for example, an animal having reduced immunity, an animal that needs to be transported while maintaining its sterility, and the like can be transported, and the application range of the small animal storage box 11 can be further expanded. is there.

Further, the technical idea grasped from the embodiment will be described below. (1) A flange extending downward is formed at an upper opening of the container body, and a flange extending downward is formed at an outer peripheral edge of the lid.
The small animal accommodation box according to 1.

With this configuration, the container main body and the lid can be reinforced, and the displacement of the lid with respect to the container main body can be restricted. (2) The small animal storage box according to (1), wherein a step portion for receiving the flange of the lid is provided in the flange portion of the container body.

With this configuration, when the small animal storage box is closed, the lid can be fitted to an appropriate position of the container main body. The box can be reliably closed.

[0046]

The present invention is configured as described above, and has the following effects. According to the invention of the small animal storage box according to the first aspect, the container main body can be easily and reliably opened and closed, and the container main body and the lid can be reliably closed, thereby preventing the escape of the small animal. can do.

According to the second aspect of the present invention, in addition to the effects of the first aspect, the container main body can be more easily and reliably opened and closed, and the container main body and the lid can be opened and closed. The body can be more reliably closed.

According to the third aspect of the present invention, in addition to the effects of the second aspect, the container body and the lid can be more reliably and stably closed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a part of a small animal storage box of an embodiment is broken.

FIG. 2 is a plan view showing the small animal storage box according to the embodiment with a lid opened.

FIG. 3 is a bottom view showing the small animal storage box according to the embodiment with the lid opened.

FIG. 4 is a side view showing the small animal storage box according to the embodiment with the lid opened.

FIG. 5 is a side sectional view showing the small animal storage box of the embodiment.

FIG. 6 is a partially enlarged sectional view showing the small animal storage box of the embodiment.

FIGS. 7A, 7B, and 7C are partially enlarged cross-sectional views showing a state in which the lid is rotated to close the container body in the small animal storage box of the embodiment.

[Explanation of symbols]

11 ... small animal accommodation box, 12 ... container body, 13 ... lid, 1
4 ... connecting piece, 24 ... first inclined surface as inclined surface, 25 ...
The second inclined surface as an inclined surface, 26... The first as an inclined surface
Sloped surface, 27... A second inclined surface as an inclined surface.

Claims (3)

[Claims] 1. A lid comprising: a box-shaped container main body having an open top; a lid covering the upper opening of the container main body; and a connecting piece for rotatably connecting the lid to the container main body. A small animal storage box configured such that when the body is rotated and closed, the outer surface of the lid is substantially flush with the outer surface of the container body. 2. A connecting portion between the container body and the connecting piece is formed with an inclined surface, and a connecting portion between the connecting piece and the lid is formed with an inclined surface, and the lid is rotated and closed. 2. The small animal storage box according to claim 1, wherein the outer surfaces of the container main body, the connecting piece, and the lid are substantially flush with each other. 3. The sum of the angle formed between the inclined surface of the container body and the horizontal plane and the angle formed between the inclined surface of the connecting piece and the outer surface of the connecting piece is 90 °, and the lid is rotated. When closed and closed, the angle between the inclined surface of the lid and the horizontal plane,
The small animal container according to claim 2, wherein the sum of the angle formed by the inclined surface of the connecting piece and the outer surface of the connecting piece is 90 °.