KR100831152B1 - Opening and closing apparatus for cooler box - Google Patents

Abstract

An object of the present invention is to provide an opening / closing device for a cold storage box that can easily open a cover.

SOLUTION The opening / closing apparatus 1a of a cold storage box is an opening / closing apparatus provided in the cold storage box provided with the box main body 2 and the cover 3 which opens and closes the opening of the box main body 2. And a box side hanging portion 4, an operation portion 5, a lid side hanging portion 6 and a pressing member. The box side hanging part 4 is provided in the box main body 2 side. The operation part 5 has the top operation part 58 arrange | positioned facing the upper surface side of the cover 3, and the side operation part 59 arrange | positioned facing the side surface of the cover 3, and the top operation part 58 ) Is provided on the lid 3 side so that the movement in the upward direction and the movement in the inward direction of the side operation part 59 are interlocked. The lid side hanging portion 6 is provided on the lid 3 side and is pressed in the engagement position direction engaged with the box side hanging portion 4, and the upper surface operating portion 58 is pulled upward or the side operating portion 59 is moved from the engaged position to the released position by being pressed inward. The pressing member presses the lid side hanging portion in the engagement position direction that engages the box side hanging portion.

Cold storage box, switchgear, cover, control panel, cover member

Description

Opening and shutting device of cold storage box {OPENING AND CLOSING APPARATUS FOR COOLER BOX}

BRIEF DESCRIPTION OF THE DRAWINGS The schematic external view of the cold storage box to which the switching device which concerns on a 1st Example was applied.

2 is a schematic view of an A-A cross section in FIG. 1;

3 is a side sectional view of the vicinity of a lid side hanging portion of the opening and closing apparatus according to the first embodiment;

4 is a side sectional view of the vicinity of an operation unit of the opening and closing apparatus according to the first embodiment;

5 is a diagram illustrating an operation of the switching device when the switching device is in the closed state.

Fig. 6 is a diagram illustrating the operation of the switching device when the switching device is in the open state.

The figure which shows the state of the switching device which functions as a rotation hinge.

8 is a schematic external view of a cold storage box to which a switchgear according to a second embodiment is applied.

9 is a view showing an operation portion and a cover member of the opening and closing apparatus according to the second embodiment.

10 is a view showing the operation of the switching device when the switching device is in the open state.

11 is a diagram illustrating an operation of the switching device when the switching device is in the closed state.

12 is a view showing an opening and closing device according to another embodiment.

13 is a view showing a switching device according to another embodiment.

14 is a view showing a switching device according to another embodiment.

15 is a view showing a switching device according to another embodiment.

16 is a diagram showing an opening and closing device according to another embodiment.

17 is a view showing an opening and closing device according to another embodiment.

18 is a view showing a switching device according to another embodiment.

***** Explanation of symbols for the main parts of the drawings *****

1a ~ 1d: switchgear

2: box body

3: cover

4: box side hanging

5, 8, 40: control panel

6, 9, 15, 44: hanging side of the cover

7, 10, 20: cover member

13: side wall part (outer side wall part)

16: delivery projection (delivery)

35, 38: 2nd cover side recessed part (concave part)

57, 45a: transmission shaft (transmission section)

58, 85, 40b: Top control panel

59, 84, 40a: side control panel

56, 65, 83, 68, 69, 43, 49, 89: pressure member

100, 101: cold storage box

The present invention relates to an opening and closing device of a cold storage box.

Background Art Conventionally, an opening and closing device installed in a cold storage box includes a lid side hanging portion provided on the lid side so as to be rotatable and a box side hanging portion mounted on the side of the box body. And the lid is secured in a state in which the lid is closed by engaging the lid side hook portion close to the side of the box body and engaging the lid side hook portion. And when a cover is opened, engagement with a box side hanging part is canceled | released by rotating the cover side hanging part toward the outer side of a box main body from an engagement position (refer patent document 1).

<Patent Document 1> Japanese Patent Laid-Open No. 9-268833

However, the cold storage box may be placed in a place where an installation space such as a fishing boat or a vehicle is limited, and there may not be enough space around the cold storage box. In this case, in a configuration in which the lid side locking portion is moved to the release position by rotating the lid side locking portion toward the outside of the box body as in the above-described opening and closing device, it becomes difficult to rotate the lid side locking portion, and the cover may not be opened. Can be.

The subject of this invention is providing the opening and closing apparatus of the cold storage box which can make it easy to perform an opening operation of a cover.

The opening and closing apparatus of the cold storage box which concerns on 1st invention is an opening and closing apparatus provided in the cold storage box provided with the cover which opens and closes a box main body and the opening of a box main body, A box side hanging part, an operation part, and a cover side hanging part And a pressing member. The box side hanging part is provided in the box main body side. The operation portion has an upper surface operation portion disposed facing the upper surface side of the cover and a side operation portion disposed facing the side surface of the cover, and the movement of the upper operation portion in the upward direction and the movement in the side operation portion in the inward direction is linked. Is installed on the cover side. The lid side hanging portion is provided on the lid side, and is pushed in the engagement position direction engaging with the box side hanging portion, and the upper surface operating portion is pulled upward, or the side operating portion is pushed inward. Move from position to release position. The pressing member presses the lid side hanging portion in the engagement position direction that engages the box side hanging portion.

In the opening and closing device of the cold storage box, the upward movement of the upper operation portion and the movement in the inward direction of the side operation portion are interlocked, so that the operation by the upper operation portion and the operation by the side operation portion at the time of opening operation of the lid are performed. You can select the operation. For example, when the side space of a cold storage box is narrow and operation of a side operation part is difficult, the operation | movement of a cover can be performed by pulling up an upper surface operation part upward. Thereby, in the opening / closing apparatus of this cold storage box, an opening operation of a cover can be made easy.

The opening and closing apparatus of the cold storage box according to the second invention includes a lid side locking portion which is fitted into a lid for opening and closing an opening of the box body and is enclosed in a box side locking portion provided in the box body; And a pressing member for urging the cover side hanging portion in the engagement position direction that engages the box side hanging portion and an operation portion for switching the cover side hanging portion from the engaging position to the release position, wherein the operation portion includes the lid. It has an upper surface operation portion disposed facing the upper surface side and a side operation portion disposed facing the side surface of the cover, it is provided on the cover side so that the movement in the upper direction of the upper operation portion and the movement in the inward direction of the side operation portion interlock, The lid side hanging portion is provided in the lid, is disposed in the space portion into which the box side hanging portion can be inserted from the lower opening, and forms a space portion by the pressing member. It is pressed against the inner surface direction of the outer side wall part which exists, and it is rotated in response to the pressing force of the press member by lifting up an upper surface operation part, or pressing a side operation part from the outer side of a cover to an inward direction, and releasing it from an engagement position. It is characterized in that the switch to the position.

In the opening and closing device of the cold storage box, the upward movement of the upper operation portion and the movement in the inward direction of the side operation portion are interlocked, so that the operation by the upper operation portion and the operation by the side operation portion at the time of opening operation of the lid are performed. You can select the operation. For example, when the side space of a cold storage box is narrow and operation of a side operation part is difficult, the operation | movement of a cover can be performed by pulling up an upper surface operation part upward. Thereby, in the opening / closing apparatus of this cold storage box, an opening operation of a cover can be made easy.

The opening and closing apparatus of the cold storage box which concerns on 3rd invention WHEREIN: In the opening and closing apparatus of the cold storage box of 1st invention or 2nd invention, an operation part is provided so that the rotation part was centered around the rotating shaft provided between an upper surface operation part and a side operation part.

In the opening / closing apparatus of this cold storage box, when an upper surface operation part is pulled up, an operation part rotates about a rotating shaft, and a side operation part moves to an inside direction. Moreover, when the side surface operation part is pressed inward, the operation part will rotate around a rotating shaft, and an upper surface operation part will move upwards. As described above, in the opening and closing apparatus of the present cold storage box, the upper surface operation portion and the side operation portion can be interlocked with a simple and easy structure.

The opening and closing apparatus of the cold storage box according to the fourth invention is the opening and closing device of the cold storage box according to the first invention or the second invention, wherein the operation portion and the lid side hanging portion are separate bodies, and the movement of the operation portion is a lid side hanging portion. It further comprises a delivery unit for transmitting to.

In the opening and closing device of the present cold storage box, the operation portion and the lid side hanging portion are separate, and the movement of the operating portion is transmitted to the lid side hanging portion by the transfer portion. For this reason, the freedom degree of operation | movement of an operation part and a lid side hanging part can be improved. For example, if the operation portion and the lid side hanging portion are separate, it is also easy to increase the amount of movement of the operating portion compared with the movement amount of the lid side hanging portion, and it is possible to prevent the cover from being accidentally opened by only slightly operating the operating portion. . Moreover, it is not limited to moving a cover side edge part in the direction same as an operation part in conjunction with the movement of an operation part, It is also possible to move to a direction different from an operation part.

The opening and closing apparatus of the cold storage box which concerns on 5th invention WHEREIN: The opening-and-closing apparatus of the cold storage box of 1st invention or 2nd invention WHEREIN: The cover side hanging part is integrally formed side by side with an operation part.

In the opening / closing device of the cold storage box, since the cover side hanging portion is integrally formed side by side with the operation portion, the number of parts can be reduced.

The opening and closing apparatus of the cold storage box according to the sixth invention is the opening and closing device of the cold storage box according to the first invention or the second invention, wherein the operation portion is attached to a recess provided over the upper surface and the side surface of the lid, and the side operation portion from the upper surface operation portion. The part that extends to the outside is exposed.

In the opening / closing device of the cold storage box, since a part that extends from the upper surface operation portion to the side operation portion of the operation portion is exposed to the outside, a portion that the user can touch is large. For this reason, it can make it easy to operate an operation part.

The opening and closing apparatus of the cold storage box which concerns on 7th invention WHEREIN: The outer surface of an operation part is the same surface as the upper surface and the side surface of a cover in the opening and closing device of the cold storage box of 6th invention.

In the open / close device of the cold storage box, since the outer surface of the operation portion is the same surface as the upper surface and the side surface of the lid, the aesthetics of the cold storage box can be improved.

The opening / closing apparatus of the cold storage box which concerns on 8th invention is attached to the recessed part provided over the upper surface and side surface of a cover in the opening / closing apparatus of the cold storage box of 1st invention or 2nd invention, and an operation part between recesses. It further comprises a cover member for forming a space portion in which is housed. Openings are provided on the upper and side surfaces of the cover member. And the operation part is accommodated in the space so that the upper surface operation part is exposed to the outside from the opening of the upper surface of the cover member, and the side operation part is exposed to the outside from the opening of the cover member side surface.

In the opening / closing apparatus of this cold storage box, the upper surface operation part and the side operation part are exposed to the outside from the opening provided in the upper surface and the side surface of a cover. For this reason, the area of the part exposed to the exterior of an operation part becomes small. Thereby, the aesthetics of a cold storage box can be improved.

As for the opening / closing apparatus of the cold storage box which concerns on 9th invention, in the opening / closing apparatus of the cold storage box of 1st invention or 2nd invention, a press member is a compression coil spring.

In the opening and closing device of the cold storage box, a compression coil spring is used as the pressing member. For this reason, compared with the case where a torsion coil spring is used, reaction force can be produced | generated efficiently with respect to the force transmitted from a cover side hanging part.

As for the opening / closing apparatus of the cold storage box which concerns on 10th invention, in the opening / closing apparatus of the cold storage box of 9th invention, the ring part which engages with a box side hanging part is provided in the lower end of a lid side hanging part. Moreover, the spring mounting part to which a compression coil spring is attached is provided in the upper end of the lid side hanging part.

In the opening / closing apparatus of this cold storage box, a spring mounting part is provided in the upper end of a box side hanging part. For this reason, installation of the compression coil spring to a spring attachment part can be performed easily.

The opening / closing device of the cold storage box according to the eleventh invention is the opening / closing device of the cold storage box of the first invention or the second invention, wherein the pressing member is a conical spring provided on the side opposite to the box side locking portion of the lid side locking portion.

In the opening and closing device of the cold storage box, the pressing member is a conical spring, so that the axial length can be shortened in the compressed state. For this reason, even if the space on the opposite side to the box side hanging part of a lid side hanging part is narrow, a press member can be arrange | positioned easily.

<First Example>

The external appearance schematic diagram of the cold storage box 100 which employ | adopted the opening-closing apparatus 1a which concerns on 1st Example of this invention is shown in FIG. The cold storage box 100 includes a box body 2 and a cover 3 for opening and closing the opening of the box body 2, and the opening and closing device 1a is fitted to the cover 3 and the box body 2. It is an apparatus for opening and closing the jersey cover 3. In this cold storage box 100, two switchgear 1a is provided, and a cover can be opened and closed in three types of states, a fully closed state, a fully open state, and a piece open state. The fully closed state is a state in which the two opening and closing devices 1a are closed together, and the lid 3 is the state in which the box body 2 is closed. In the pre-opened state, the two open / close devices 1a are open together, and the lid 3 is completely removed from the box body 2. In the open state, the opening and closing device 1a of one side is in an open state, the other opening and closing device 1a is in a closed state, and one side end of the lid 3 is closed. It is fixed to the box main body 2 so that rotation is possible, and the other end of the lid | cover 3 is a state separated from the box main body 2.

[Configuration of Cold Storage Box 100]

The cold storage box 100 is used for fishing, etc., and is provided with the lid 3 which opens and closes the box main body 2 and the opening of the box main body 2 as mentioned above.

The box main body 2 is a resin box-shaped member which opened the upper surface, and has a substantially rectangular external shape when seen from the upper surface. The box main body 2 is a pair of box side long side walls constituting a rectangular long side as viewed from the upper surface and a pair of box side short side walls constituting a rectangular short side. 21 and 22 and bottom walls 25, and the heat insulating material IL is filled in these side walls 21-24 and the bottom wall 25 (refer FIG. 3). On the upper end surface of the box side long side wall 23, a first box side concave portion 26 extending laterally and lacking the outer edge side of the upper end surface is provided. The box side long side wall 24 is also the same structure.

The lid 3 is a member that opens and closes the opening on the upper surface of the box body 2. The lid 3 is a member made of a resin having a generally rectangular shape as viewed from the top surface, and filled with a heat insulating material IL (see FIG. 3). The cover side long side wall 31 which becomes the same surface as the box side long side wall 23 among the side walls of the cover 3 is provided with the 1st cover side recessed part 33 dug in an inward direction. Moreover, the 2nd cover side recessed part 35 further dug further inwardly is formed in the longitudinal direction middle part of the side surface of the 1st cover side recessed part 33. As shown in FIG. The 1st cover side recessed part 33 and the 2nd cover side recessed part 35 are provided over the upper surface, side surface, and lower surface of the cover 3. The 1st lid side recessed part 33 is provided corresponding to the 1st box side recessed part 26. As shown in FIG. The cover side long side wall 32 on the opposite side of the cover side long side wall 31 has the same structure.

In addition, a rubber seal 36 having a substantially rim shape facing the opening circumference 28 of the box body 2 is attached to the lower surface 3b of the lid 3 (FIG. 3). Reference). The actual material 36 is pressed against the opening circumference 28 of the box body 2 in a state where the lid 3 covers the box body 2 and is locked by the opening and closing device 1a. Prevent leakage

In addition, the lid 3 is opened and closed by rotating about an axis parallel to the longitudinal direction of the box side long side walls 23 and 24 and the lid side long side walls 31 and 32. Hereinafter, the term "axial direction" means a direction parallel to the longitudinal direction of the box side long side walls 23 and 24 and the cover side long side walls 31 and 32.

[Configuration of Switchgear 1a]

Hereinafter, although one switchgear 1a is demonstrated among two switchgear 1a, the other switchgear 1a also has the same structure. As shown in FIGS. 1-4, the opening-closing apparatus 1a is equipped with the box side hanging part 4, the operation part 5, the cover side hanging part 6, the cover member 7, etc. As shown in FIG. The box side hanging part 4 is inserted in the box main body 2 side, and the operation part 5, the lid side hanging part 6, and the cover member 7 are inserted in the cover 3 side. In addition, FIG. 2 shows the schematic diagram of the A-A cross section in FIG.

<Box side hanging part (4)>

As shown in FIG. 2, the box side hanging part 4 is provided in the 1st box side recessed part 26 at an axial distance, and is provided in two places on one side and a total of four places on both sides. It is installed. As shown in FIGS. 2 and 3, the box side hanging portion 4 has a bracket 42 that horizontally supports the shaft member 41 and the shaft member 41. Both the shaft member 41 and the bracket 42 are made of metal. The shaft member 41 is parallel to the longitudinal direction of the 1st box side recessed part 26, and is shown from FIG. 3 from the bottom face 26a and the side surface 26b of the 1st box side recessed part 26. As shown in FIG. It is installed apart. The bracket 42 supports both ends of the shaft member 41, and is fixed to the side surface 26b of the first box side recess 26 by fixing means such as a screw.

<Operation department (5)>

The operation part 5 is a member for operating to the user of the cold storage box 100, etc., and is a member for switching the lid side locking part 6 mentioned later from the engagement position which engages with the box side locking part 4 to a release position. The operating part 5 is provided in the 2nd cover side recessed part 35 provided in the edge part of the cover 3 between the cover members 7 arrange | positioned apart in the axial direction, as shown in FIG. . As shown in FIG. 4, the operation part 5 has a substantially reverse L-shaped cross-sectional shape, and has an upper wall part 51 and the side wall part 52. As shown in FIG. The outer surface of the upper wall part 51 is made into the same surface as the upper surface 3a of the lid | cover 3, and has a rectangular external shape seen from the upper surface. The outer surface of the side wall part 52 has the same surface as the side surface of the lid | cover 3, and has a rectangular external shape seen from the side surface. For this reason, the outer surface of the upper wall part 51 and the side wall part 52 of the operation part 5 is the same surface as the edge part of the cover 3, and is exposed to the outside (refer FIG. 1).

2 and 4, a plurality of upper ribs 53 and a plurality of lower ribs 54 are provided on the inner surface of the operation unit 5. The plurality of upper ribs 53 are arranged in the axial direction on the upper part of the inner surface of the operation part 5, and the through-holes through which the metal first support shafts 55 are passed are provided. The operation part 5 is rotatably supported by the cover member 7 by a predetermined angle via this first support shaft 55. Moreover, the coil-type press member 56 is attached to the 1st support shaft 55, and the operation part 5 is pressed by the press member 56. As shown in FIG. In the normal state in which the operation part 5 is not operated, the operation part 5 so that the outer surface of the upper wall part 51 and the side wall part 52 of the operation part 5 may become the same surface as the edge part of the cover 3. 'S posture is maintained. The plurality of lower ribs 54 are provided below the upper ribs 53. The plurality of lower ribs 54 are arranged in the axial direction, and are provided with through holes through which the metal transmission shaft 57 passes. The operation of the operation portion 5 is transmitted to the lid side hanging portion 6 via this transmission shaft 57.

The inner end portion of the upper wall portion 51 of the operation portion 5 is disposed facing the upper surface 3a side of the lid 3, and the inner end portion of the upper wall portion 51 and the second lid side concave portion 35 are arranged. Between the side surface 35a of the side), the clearance gap which can insert a some finger is provided. Thereby, the inner end part of the upper wall part 51 of the operation part 5 becomes the upper surface operation part 58 which a finger catches when operating the operation part 5 from the upper part of the cover 3. As shown in FIG. This upper surface operation part 58 is urged downward by the pressing member 56 mentioned above.

Moreover, the lower part of the outer surface of the side wall part 52 of the operation part 5 is arrange | positioned facing the side surface side of the cover 3, and is a side surface pressed by a finger when operating the operation part 5 from the side of the cover 3. The operation unit 59 is provided. This side operation part 59 is pushed outward by the press member 56 mentioned above. In addition, as shown in FIG. 2, the lower end part 52a of the side wall part 52 is close to the bottom face 26a of the 1st box side recessed part 26, and is arrange | positioned with the clearance gap.

The operation part 5 is supported by the 1st support shaft 55, and this 1st support shaft 55 is between the upper surface operation part 58 and the side operation part 59, as shown in FIG. It is installed. For this reason, the operation part 5 can be rocked about the rotating shaft provided between the upper surface operation part 58 and the side operation part 59, and when the upper operation part 58 moves, the whole operation part 5 will rotate, The operation unit 59 also moves (see FIG. 6). Therefore, when the upper surface operation part 58 moves to an upward direction, the side operation part 59 moves to an inside direction in conjunction with this. In addition, in this operation part 5, the part which extends from the upper surface operation part 58 to the side operation part 59 is exposed to the outside, and operation | movement in the whole outer surface of the upper wall part 51 and the side wall part 52 is also possible.

<Cover side hanging part (6)>

The lid side hanging part 6 is a part enclosed with the box side hanging part 4, and is shown in the axial direction both sides of the operation part 5, as shown in FIG. The lid side locking portion 6 is a component separate from the operation portion 5, and is molded of resin. As shown in FIG. 3, the lid side hanging part 6 is arrange | positioned at the space part formed by the cover member 7 in the state attached to the cover member 7, and opposes the box side hanging part 4 It is arranged in a position to. The lid side hanging part 6 has the main-body part 61 and the collar part 62 provided in the front-end | tip of the main-body part 61. As shown in FIG.

An upper through hole 63 penetrating in the axial direction is provided in the upper portion of the main body portion 61, and the upper through hole 63 is formed separately from the first support shaft 55 for supporting the operation portion 5. 2 support shaft 64 is passed. The lid side locking portion 6 is rotatably supported by the cover member 7 via the second support shaft 64. The coil-type pressing member 65 is attached to the 2nd support shaft 64, and presses the lid side locking part 6 to the engagement position direction (outward direction) which engages with the box side locking part 4. Further, a lower through hole 66 penetrating in the axial direction is provided below the upper through hole 63. The transmission shaft 57 which passes through the lower rib 54 of the operation part 5 passes through the lower through-hole 66, and the movement of the operation part 5 passes through the transmission shaft 57 and the cover side edge part 6 Is delivered).

The ring portion 62 has an annular shape protruding outward from the outer surface of the main body portion 61. The ring portion 62 engages with the box side hanging portion 4 by being pressed outward. When the upper surface operation part 58 is pulled upward or the side operation part 59 is pressed inward from the outer side of the cover 3, the lid side stopper 6 is pressed with the operation of this operation part 5. It rotates inward direction against the pressing force of the members 56 and 65 (refer FIG. 6). As a result, the ring portion 62 moves inward, and is switched from the engaged position to the released position.

<Cover member 7>

The cover member 7 is a member made of resin, and as shown in FIG. 1, is attached to the first lid side recess 33 of the lid 3, and as shown in FIG. 3, the lid side hanging portion. A space portion in which 6 is housed is formed. This space part is provided in both sides of the operation part 5, and the state of the 1st box side recessed part 26 with which the box side hanging part 4 is provided in the state in which the lid 3 closed the box main body 2 is provided. It is located above.

The cover member 7 has an outer wall portion 71 having a substantially inverted L cross-sectional shape and an inner wall portion 72 disposed inside the outer wall portion 71.

The outer wall part 71 is a shape which becomes substantially the same surface as the outer surface of the corresponding part of the cover 3, the box main body 2, and the operation part 5. As shown in FIG. Specifically, the upper surface of the outer wall portion 71 is the same surface as the outer surface of the upper surface 3a of the lid 3 and the upper wall portion 51 of the operation portion 5, and the side surface of the outer wall portion 71 is covered with a lid ( It becomes the same surface as the side surface of 3), the side surface of the box main body 2, and the outer surface of the side wall part 52 of the operation part 5. As shown in FIG.

The inner wall portion 72 is provided to cover the inner side and the lower side of the cover side hanging portion 6. The lower surface of the inner wall portion 72 has a guide concave portion 73 penetrating upward, and the space enclosed by the guide concave portion 73 is formed so as to become narrower upward. The notch 74 is provided in the side surface of the guide recess 73, and the ring part 62 of the lid side hanging part 6 passes through the notch 74, and is provided so that it can protrude. In addition, the guide recessed part 73 is located above the box side hanging part 4, and when the cover 3 is closed, the box side hanging part 4 is ring part 62 by the guide recessed part 73. You are guided up to).

In addition, the cover member 7 is in the state which protruded below from the lower surface 3b of the cover 3 in the state attached to the 1st cover side recessed part 33 of the cover 3. The part which protrudes downward from the lower surface 3b of this lid | cover 3 is a magnitude | size which fits into the 1st box side recessed part 26 substantially suitably.

[Opening and shutting movement]

Next, the operation | movement of the switching device 1a at the time of opening and closing a cover is demonstrated based on FIG. 3, FIG. 5, FIG.

First, as shown in FIG. 3, in the opening / closing apparatus 1a opened in the fully open state or the single open state, the lid side locking portion 6 is held in the engaged position by the pressing force of the pressing members 56 and 65. It is. In this engaging position, the hook portion 62 of the lid side hanging portion 6 protrudes from the notch 74 of the inner wall portion 72 of the cover member 7 and guides the recess 73 facing the notch 74. Is regulated in contact with the side.

In this state, when the lid 3 is overlaid on the box body 2 and the opening and closing device 1a is closed, as shown in FIG. 5, the shaft member 41 of the box-side hanging portion 4 is shown. The lower surface of the circular arc shape of the collar part 62 of the lid side hooked part 6 contacts, and the lid side hooked part 6 retreats inward by the stress by this contact, and the collar part ( 62 passes downward through the back side of the shaft member 41. At this time, the shaft member 41 of the box side hanging portion 4 is guided by the guide recess 73. After the passage, the lid side locking portion 6 is rotated in the outward direction (engagement position direction) by the pressing force of the pressing members 56 and 65, and the ring portion 62 engages with the shaft member 41 (Fig. See 6 (a)).

Fig. 6A shows the operation portion 5 and the lid side hanging portion 6 in the closed state. In this state, the actual material 36 is in pressure contact with the opening circumferential portion 28 of the box body 2. In addition, the 1st box side recessed part 26 will be in the state covered by the cover member 7 and the operation part 5. In addition, in FIG. 6 (a) and FIG. 6 (b), the operation part 5 and the lid side locking part 6 are shown in the same figure for the ease of understanding, and also the box side hanging part 4 is shown. Shows only the shaft member 41.

FIG. 6B shows the procedure when the lid 3 is removed from the box body 2 to be in the fully open state or in the one-open state. In this case, two opening methods are selectable. One is a method of operating the side operation part 59, and the other is a method of operating the upper surface operation part 58, and opening.

When operating the side operation part 59, the side operation part 59 is pushed inward by a finger. As a result, the operation unit 5 rotates, and the side operation unit 59 moves inwardly in response to the pressing force of the pressing members 56 and 65. And the movement of this side operation part 59 is transmitted to the cover side hanging part 6 by the transmission shaft 57, and the cover side hanging part 6 is the same direction as the side operating part 59, ie, inward direction. Rotate. As a result, the engagement of the ring portion 62 with respect to the shaft member 41 is released. When the operation part 5 is lifted up in this state, the cover 3 moves upward with the operation part 5, and it will be in a fully open state or a single open state.

In addition, when operating the upper surface operation part 58, a finger is inserted in the clearance gap between the upper surface operation part 58 and the circumference part 35a of the 2nd cover side recessed part 35, and a finger is attached to the upper surface operation part 58. Walk up. As a result, the operation unit 5 rotates, and the upper surface operation unit 58 moves upward against the pressing force of the pressing members 56 and 65. And the movement of this upper surface operation part 58 is transmitted to the lid side edge part 6 via the transmission shaft 57, and the lid side edge part 6 rotates inward. As a result, the engagement of the ring portion 62 with respect to the shaft member 41 is released. And when the operation part 5 is lifted up in this state, the cover 3 moves upward with the operation part 5, and it will be in a fully open state or a single open state.

In addition, in the opening / closing device 1a in the closed state in the open state, as illustrated in FIG. 7, the loop portion of the shaft member 41 of the box side hanging portion 4 and the cover side hanging portion 6 ( In the state where 62 is engaged with each other, it becomes a rotation hinge, and by this, the cover 3 rotates.

〔Characteristic〕

(One)

In the opening / closing apparatus 1a of this cold storage box 100, the operation part 5 which has the side operation part 59 and the upper surface operation part 58 is provided so that swinging is possible. For this reason, even if the operation which presses the side operation part 59 inward direction and the operation which pulls up the upper surface operation part 58 upward is performed, the operation part 5 will rotate and the lid side latch part 6 will engage. To the release position. For this reason, when opening the cover 3 of the cold storage box 100, two opening methods are possible. That is, by pressing the side operation part 59 with the finger from the side of the cold storage box 100, the opening-closing apparatus 1a can be made into the open state. Thereby, opening operation of the lid 3 is possible even when the side space of the cold storage box 100 is narrow. Moreover, even when the space on the side of the cold storage box 100 is further narrow and a finger cannot be inserted, opening operation of the lid 3 can be performed by pulling up the upper surface operation part 58 upward. In this way, the opening and closing operation of the lid 3 is easily performed in the opening and closing device 1a of the present cold storage box 100.

(2)

In the opening / closing apparatus 1a of this cold storage box 100, since the operation part 5 and the lid side hanging part 6 are separate components, the freedom degree of the operation of the operation part 5 and the lid side hanging part 6 is improved. You can. For this reason, the movement amount of the operation part 5 and the lid side hanging part 6 can be adjusted easily at the time of design.

(3)

In the opening / closing apparatus 1a of this cold storage box 100, the whole upper wall part 51 and the side wall part 52 of the operation part 5 are exposed to the exterior. For this reason, the part which can be operated by touching is enlarged, and operation is easy. In addition, since the upper wall part 51 and the side wall part 52 are the same surface as the edge part of the cover 3 in a normal state, the aesthetics of the cold storage box 100 is improved.

<2nd Example>

The external appearance schematic diagram of the cold storage box 101 which employ | adopted the opening / closing apparatus 1b which concerns on 2nd Embodiment of this invention is shown in FIG. In addition, FIG. 8 shows the fully opened state in which the lid 3 is removed from the box body 2.

The cover side long side walls 31 and 32 of the cover 3 have a first cover side recess 37 (see (b) of FIG. 10) notched on the lower surface 3b side of the cover 3 and dug inward. The 2nd cover side recessed part 38 dug further inwardly than the 1st cover side recessed part 37 is provided. Moreover, the 2nd box side recessed part 27 dug below the bottom face of the 1st box side recessed part 26 is provided in the axial middle part of the 1st box side recessed part 26. As shown in FIG. In addition, the other structure of the cold storage box 101 is the same as that of the cold storage box 100 of said 1st Example, and description is abbreviate | omitted.

[Configuration of Switchgear 1b]

As shown in FIGS. 8-10, the switchgear 1b is equipped with the box side hanging part 4, the operation part 8, the cover side hanging part 9, the cover member 10, etc. As shown in FIG. The box side hanging part 4 is inserted in the box main body 2 side, and the operation part 8, the cover side hanging part 9, and the cover member 10 are inserted in the cover 3 side.

Since the box side hanging part 4 is the same structure as 1st Example, it abbreviate | omits description.

<Operation department (8)>

The operation part 8 is a part which is operated by the user of the cold storage box 101, etc., and switches the lid side locking part 9 mentioned later from the engagement position which engages with the box side locking part 4 to the release position. The operation part 8 is the size which fits substantially into the space part (refer FIG. 10) formed in the inside of the cover member 10, and the bracket 81 with respect to the cover member 10 as shown in FIG. It is supported by the support shaft 82 so that rotation by a predetermined angle is possible. The operation part 8 is urged outward through the coil-like urging member 83. The operation part 8 has the side operation part 84, the upper surface operation part 85, and the connection part 86. As shown in FIG.

The side operation part 84 is arrange | positioned facing the side surface side of the cover 3 in the side opening 11 of the cover member 10, as shown to FIG. 8 and FIG. The outer surface of the side operation part 84 is provided with the finger-hanging recessed part 84a which the tip of a hand (multiple fingers) enters.

The upper surface operation part 85 is arrange | positioned facing the upper surface 3a side of the cover 3 in the upper opening 12 and the 2nd cover side recessed part 38 of the cover member 10. As shown in FIG. The upper surface operation part 85 is exposed to the outside through the substantially rectangular opening formed by the upper opening 12 and the 2nd cover side recessed part 38 of the cover member 10. As shown in FIG. Further, a gap in which a plurality of fingers can be inserted is formed between the upper surface operation portion 85 and the circumferential portion 38a of the second lid side recessed portion 38.

As shown in FIG. 9 and FIG. 10, the connecting portion 86 is a portion connecting the side operation portion 84 and the upper surface operation portion 85. Ribs 87 arranged along the axial direction are provided on the outer side surface of the connecting portion 86. These ribs 87 are provided with a through hole 88 through which a metal support shaft 82 for supporting the operation unit 8 passes. The operation part 8 can be rocked about the support shaft 82 by being supported by the cover member 10 through this support shaft 82, and the operation | movement of the upper surface operation part 85 and the side operation part 84 is It works. Specifically, as shown in the left side of FIG. 10A, when the upper surface operating portion 85 is pulled upward, the entire operation portion 8 is located between the upper surface operating portion 85 and the side operating portion 84. It rotates about the rotating shaft (support shaft 82) of the side, and the side operation part 84 moves to an inside direction. Moreover, when the side operation part 84 is pressed inward, the upper surface operation part 85 will move to an upward direction in connection with this.

<Cover side hanging part (9)>

The cover side hanging part 9 is a part enclosed with the box side hanging part 4, and is shown in the axial direction both sides of the operation part 8, as shown in FIG. The lid side hooked portion 9 is integrally formed side by side with the operating portion 8, in particular, the side operating portion 84, and the lid side hooked portion 9 and the operating portion 8 are integrally molded resin molded parts. . For this reason, the lid side hanging part 9 moves with movement of the operation part 8. As shown in FIG. As shown in (b) of FIG. 10, the lid side hanging portion 9 is disposed in the space portion described later in a state where the lid side hanging portion 9 is attached to the cover member 10, and is a position facing the box side hanging portion 4. Is placed on. The lid side hanging portion 9 has a substantially L-shaped cross-sectional shape, and has a main body portion 91 and a ring portion 92.

As shown in FIG. 9, the main body 91 is connected to the operation unit 8, and a through hole 93 penetrating in the axial direction is provided thereon. This through hole 93 is provided in the axial direction with the through hole 88 provided in the rib 87 of the operation part 8, and the support shaft 82 passes. Moreover, the recessed part 94 is provided in the axial direction middle part of the upper end part of the lid side hanging part 9 to intersect the through-hole 93, and the pressing member 83 is arrange | positioned at this recessed part 94. FIG. . The pressing member 83 is attached to the support shaft 82 and presses the lid side hanging portion 9 in the engagement position direction that engages the box side hanging portion 4.

The ring portion 92 is provided below the main body portion 91 and has an annular shape protruding outward from the outer side surface of the main body portion 91.

The lid side locking portion 9 is pressed by the pressing member 83 in the inner surface direction of the side wall portion 13 of the cover member 10, that is, in the outer direction. The lid side locking portion 9 resists the pressing force of the pressing member 83 by raising the upper surface operating portion 85 upward or by pressing the side surface operating portion 84 inward from the outer side of the lid 3. And rotates to switch from the engaged position to the released position.

<Cover member 10>

The cover member 10 is a resin member having an inverted L-shaped longitudinal section, and is attached to the first lid side recess 37 of the lid 3 so that the operation portion 8 or the lid side hanging portion ( The space part 9) is formed. This space part is located above the 1st box side recessed part 26 in which the box side hanging part 4 is provided in the state in which the cover 3 closed the box main body 2, and when the cover 3 is closed, The box side hanging portion 4 can be inserted from the lower opening. In addition, as shown in FIG.10 (b), the space part has the 1st cover side recessed part 37 and the 1st box side recessed part 26 in the state in which the lid 3 closed the box main body 2, It is in the state surrounded by the cover member 10. The outer surface of the cover member 10 is a shape which becomes substantially the same surface as the outer surface of the counterpart of the lid | cover 3 and the box main body 2. As shown in FIG. Specifically, the upper surface of the upper wall portion 14 of the cover member 10 is the same surface as the upper surface 3a of the lid 3, and the outer surface of the side wall portion 13 of the cover member 10 is the lid 3. ) And the side surface of the box body 2. Moreover, the cover member 10 is in the state which protruded downward from the lower surface 3b of the cover 3 in the state attached to the 1st cover side recessed part 37 of the cover 3. The part which protrudes downward from the lower surface 3b of this lid | cover 3 is a magnitude | size which fits into the 1st box side recessed part 26 substantially suitably.

As shown in FIG. 9, the side opening 11 is provided in the axial middle part of the side wall part 13 of the cover member 10. As shown in FIG. The side opening 11 is formed by the lower end of the cover member 10 being piped upward, and has a shape that coincides with a part (upper half) of the side operation part 84. As shown in FIG. 10A, the side operation portion 84 is exposed to the outside from the side opening 11, and the outer surface of the side operation portion 84 is substantially the same as the outer surface of the cover member 10. It is. In addition, the upper opening 12 is provided in the axial middle part of the upper wall part 14 of the cover member 10. The upper opening 12 is formed by the side end of the cover member 10 being dug outward, and has a shape that coincides with a part (outer half) of the upper surface operation portion 85. The upper surface operation part 85 is exposed to the exterior from this upper opening 12, and the outer surface of the upper surface operation part 85 becomes the surface substantially the same as the outer surface of the cover member 10. As shown in FIG.

In addition, the inner surface (back) of the cover member 10 reinforces the cover member 10, and also supports a plurality of ribs (not shown) to which the bracket 81 is mounted, and a plurality of support shafts 82. Ribs (not shown) are provided.

[Opening and shutting movement]

Next, the operation | movement of the switching device 1b at the time of opening and closing a cover is demonstrated based on FIG. 10 and FIG.

First, as shown to Fig.11 (a), in the opening-and-closing apparatus 1b which is open in the front open state or the single open state, the lid side latching | locked part 9 is engaged position by the pressing force of the press member 83. Maintained at In this engagement position, the ring portion 92 of the cover side hanging portion 9 is contact-controlled on the inner surfaces of both side portions (see FIG. 9) of the side opening 11 of the side wall portion 13 of the cover member 10. .

In this state, when the lid 3 is overlaid on the box body 2, as shown in Fig. 11B, the lid side hooked portion 9 is formed of the box-side hooked portion 4; The lower surface of the circular arc of the ring part 92 contacts the shaft member 41, and it retracts inward by the stress by this contact, and the ring part 92 contacts the back side of the shaft member 41 to the lower side. To pass. After the passage, the lid side locking portion 9 is rotated in the outward direction (engagement position direction) by the pressing force of the pressing member 83, and the ring portion 92 engages with the shaft member 41.

10A and 10B show the operation part 8 and the lid side locking part 9 in the closed state. In this state, the gap between the side operation part 84 and the 2nd box side recessed part 27 becomes narrow, and a finger cannot be inserted between the side operation part 84 and the 2nd box side recessed part 27. It is. In addition, the side operation part 84 becomes a surface substantially the same as the outer surface of the side wall part 13 of the cover member 10. As shown in FIG.

10 (a) and 10 (b) show the process when the cover 3 is removed from the box body 2 to be in the fully open state or when the cover 3 is in the unopened state. have. In this case, two opening methods are selectable. One is a method of operating the side operation part 84, and the other is a method of operating the upper surface operation part 85, and opening.

When operating the side operation part 84, a finger is inserted in the recessed part 84a of the side operation part 84, and the side operation part 84 is pressed inward. Thereby, the side operating part 84 is rotated inwardly resistant to the pressing force of the pressing member 83, and the cover side locking part 9 is rotated in the same direction in connection with this. As a result, the engagement of the ring portion 92 with respect to the shaft member 41 is released. When the side operation part 84 is lifted up in this state, the cover 3 moves upward with the side operation part 84, and it will be in a fully open state or a single open state.

In addition, when operating the upper surface operation part 85, a finger is inserted in the clearance gap between the upper surface operation part 85 and the circumference part 38a of the 2nd cover side recessed part 38, and a finger is attached to the upper surface operation part 85. Walk up. As a result, the upper surface operating portion 85 is rotated in the upward direction against the pressing force of the pressing member 83, and the lid side locking portion 9 is rotated in the inward direction in conjunction with this. As a result, the engagement of the ring portion 92 with respect to the shaft member 41 is released. Then, when the upper surface operating portion 85 is lifted up in this state, the lid 3 moves upward together with the upper surface operating portion 85 to be in a fully open state or a single open state.

〔Characteristic〕

Also in this opening / closing apparatus 1b, similarly to the opening-and-closing apparatus 1a which concerns on a 1st Example, operation of pulling up the upper surface operation part 85 upwards, and operation which presses the side operation part 84 inward direction are carried out. The opening operation of the lid 3 can be performed by the operation of. The opening operation of the lid 3 can be easily performed.

In addition, in this opening / closing apparatus 1b, the upper surface operation part 85 is exposed to the exterior from the upper opening 12 of the cover member 10, and the side surface operation part 84 is the side opening part 11 of the cover member 10. ) Is exposed to the outside, and other parts such as the connecting portion 86 are covered by the cover member 10. In addition, the upper surface operation part 85 is the same surface as the upper surface 3a of the cover 3, and the side surface operation part 84 is the same surface as the side surface of the cover 3. As shown in FIG. For this reason, the appearance | interval gap and the unevenness | corrugation of the cold storage box 101 are less likely to appear, and the aesthetics of the cold storage box 101 are improved.

<Other Example>

(A)

In the above embodiment, the lid side hanging portions 6 and 9 are held in the engaged position by being pushed outward, and the engagement with the box side hanging portion 4 is released by moving inward. However, the pressing direction of the lid side hanging portions 6 and 9 is not limited to the above direction, but on the contrary, like the opening and closing device 1c shown in FIG. 12, the lid side hanging portion 15 is pressed inward. By doing so, it may be maintained in the engaged position.

In this opening / closing device 1c, the lid side hanging portion 15 has a transmission protrusion 16 at the upper portion, an annular portion 17 at the lower portion, and a support shaft 18 between the transmission protrusion 16 and the annular portion 17. The through hole 19 through which) passes is provided. The transmission protrusion 16 is a part of a rod-shaped projecting in the axial direction from the cover side hanging portion 15 and is in contact with the inner surface of the side wall portion 52 of the operation portion 5. The ring portion 17 protrudes inward and is engaged with the box side hanging portion 4 by being pushed inward by a pressing member (not shown). The lid side locking portion 15 is rotatably provided around the support shaft 18.

In addition, the operation unit 5 is provided with a forced interlocking unit 67 for forcibly interlocking the lid side locking unit 15 and the operation unit 5. The forced linkage 67 is locked to the inner side surface of the transmission protrusion 16 of the lid side locking portion 15.

The detail and other structure of the operation part 5 are the same as that of the opening-closing apparatus 1a of the said 1st Example.

In this opening / closing apparatus 1c, as shown in FIG.12 (b), when the operation part 5 rotates by the side operation part 59 being pressed or the upper surface operation part 58 being pulled up, an operation part ( The transmission projection 16 is pushed inward and moved by the inner surface of 5). When the transfer projection 16 moves inward, the cover side hanging portion 15 pivots about the support shaft 18, and the ring portion 17 moves outward in response to the pressing force of the pressing member to move the box. The engagement with the side hanging portion 4 is released.

The opening and closing operation of the lid 3 can also be easily performed by the opening and closing device 1c as in the opening and closing devices 1a and 1b.

Moreover, the operation part 5 and the lid side latching | locking part 15 are necessarily made to interlock | engage by the force interlocking part 67 being locked to the transmission projection 16. As shown in FIG. That is, when the side wall part 52 of the operation part 5 rotates outward from the state shown to FIG. 12 (b), since the transmission projection 16 is pressed in the outward direction, Although it will move in an outward direction according to the movement, it will also be pressed by the forced interlocking part 67 and will move outward. For this reason, the lid side hanging part 15 can be reliably linked with the operation of the operation part 5, and can be moved. Thereby, although the operation part 5 is returning to the state which is the same surface as the surface of the cover 3, the occurrence of a malfunction state, such as that the cover side edge part 15 is not returning to an engaged state, can be prevented.

(B)

In the other embodiment (A) described above, the occurrence of a malfunction state is prevented by the forced interlocking portion 67, but the operation portion 5 and the transmission projection 16 are pressed in the direction in which they are pressed to each other in the malfunction state. It may be prevented from occurring.

For example, in the opening-closing apparatus 1d shown in FIG. 13, the operation unit 5 is pressed inward by the pressing member 69. More specifically, the side wall part 52 of the operation part 5 is pressed inward, and the upper wall part 51 is pushed upward. In addition, the hook portion 17 of the lid side hanging portion 15 engages with the box side hanging portion 4 by being pressed inward by the pressing member 68. In this case, the transmission protrusion 16 is pressed in the outward direction, that is, the direction pressed against the inner surface of the side wall part 52 of the operation part 5. For this reason, the side wall part 52 and the transmission protrusion 16 of the operation part 5 are pressed in the direction which presses mutually.

In the opening / closing device 1d as described above, the side wall portion 52 and the transmission protrusion 16 are prevented from falling by being pressed in the direction in which the side wall portion 52 and the transmission protrusion 16 of the operation unit 5 are pressed against each other. do. Thereby, the operation part 5 and the lid side locking part 15 can be reliably linked, and generation | occurrence | production of a malfunction state can be prevented.

In addition, the opening and closing device 1d is accidentally opened by making the pressing force to the operation part 5 by the pressing member 69 weaker than the pressing force to the lid side locking portion 15 of the pressing member 68. You can prevent it.

(C)

The range of the part which the cover member 7 and 10 occupies for the cover 3 in the said embodiment is not limited to the above-mentioned case, but can be made larger or smaller. For example, as shown in FIG. 14, even if the cover member 20 larger than the cover member 7 of 1st Example is provided, and the 2nd cover side recessed part 35 is provided in the cover member 20, It's okay. As a result, a gap into which a finger is engaged during operation of the upper surface operating portion 58 is formed between the upper surface operating portion 58 and the cover member 20.

(D)

In the above embodiment, the operation parts 5 and 8, the cover side hanging parts 6 and 9 are attached to the cover members 7 and 10, but the operating parts 5 and 8 and the cover side hanging parts 6 and 9 are attached. 9) is sufficient to be installed to move together with the lid 3 during the opening and closing operation, and may be mounted directly on the lid 3.

In addition, in the second embodiment, the cover member 10 may not be provided, and the side opening 11 or the upper opening 12 may be provided in the lid 3.

(E)

In the above embodiment, the upper surface operation portions 58 and 85 and the side operation portions 59 and 84 are integrated to form the operation portions 5 and 8, and the operation portions 5 and 8 are the first support shaft 55. The upper surface operating portions 58 and 85 and the side surface operating portions 59 and 84 interlock with each other by rotating about the support shaft 82. However, as long as the upper surface operation part and the side operation part interlock, the upper operation part and the side operation part may be formed separately.

(F)

In the switchgear 1a-1d which concerns on said embodiment, although the torsion coil spring is used as a pressing member, like the switchgear 1e shown in FIG. 15, the compression coil spring 43 may be used. Do.

In this opening / closing device 1e, the lid side locking portion 44 has a through hole 46a through which the transmission shaft 45a passes through the upper end portion, a ring portion 47, a through hole 46a and the loop portion 47 at the lower end thereof. ), A through hole 46b through which the support shaft 45b passes is provided. The lid side locking portion 44 is rotatably provided around the support shaft 45b. The transmission shaft 45a passed through the through hole 46a passes through an elongated through hole (not shown) provided in the operation unit 40, and the movement of the operation unit 40 is transferred to the cover side hanging portion 44. To pass. The ring portion 47 protrudes in the inward direction, and is pressed inward by the compression coil spring 43 as the pressing member. As a result, the ring portion 47 engages with the box side hanging portion 4. Moreover, the spring mounting part 48 to which the compression coil spring 43 is mounted is provided in the upper end of the lid side hanging part 44. As shown in FIG. The spring mounting part 48 is a protrusion which protrudes inward and opposes the recessed part 50b provided in the inner wall part 50a of the inner casing 50, as shown in FIG. In addition, FIG. 16 is a top view of the inner casing 50 which accommodates the lid side hanging portion 44 and the lid side hanging portion 44. The recessed part 50b is provided in the upper end of the inner wall part 50a of the inner casing 50, and the compression coil spring 43 can be inserted from above.

The operation part 40 is rotatably supported by the inner casing 50 via the support shaft 45c. The operation part 40 is also pressed by the compression coil spring 75 similarly to the lid side latch part 44. As shown in FIG. This compression coil spring 75 pushes the operation part 40 outward. In addition, an upper portion of the inner casing 50 and the lid side locking portion 44 is closed by the cover member 10 and passes through openings (not shown) respectively provided on the top and side surfaces of the cover member 10 to control the operation portion. The side operation part 40a and the top surface operation part 40b of 40 are exposed to the exterior.

In this switchgear 1e, as shown to FIG. 15 (b), the operation part 40 is pressed by the side operation part 40a of the operation part 40 being pushed, or the upper surface operation part 40b being pulled up. When rotated, the movement of the operation part 40 is transmitted to the cover side hanging part 44 via the transmission shaft 45a. When the lid side locking portion 44 rotates about the support shaft 45b in association with the movement of the operation portion 40, the ring portion 47 moves outward in response to the pressing force of the compression coil spring 43. The engagement with the box side hanging portion 4 is released.

The opening and closing operation of the lid 3 can be easily performed in the same manner as the opening and closing devices 1a to 1d by the opening and closing device 1e. In addition, compared with the case where the torsion coil spring is used, the reaction force can be efficiently generated with respect to the force transmitted from the lid side locking portion 44. Furthermore, since the spring mounting part 48 is provided in the upper end of the lid side hanging part 44, and the recessed part 50b is provided in the upper end of the inner wall part 50a of the inner casing 50, the compression coil spring 43 Can be easily attached from above the concave portion 50b and the spring mounting portion 48.

In addition, as shown in FIG. 17, in the opening and closing device 1b according to the second embodiment, the compression coil spring 89 may be provided as the pressing member.

(G)

In the other embodiment (F) described above, the compression coil spring 43 having the same outer diameter in the axial direction is used. However, as shown in FIG. 18, the outer diameter decreases toward the axial distal end side and becomes thinner toward the end. The conical spring 49 having a shape may be used. Here, the conical spring 49 is provided on the opposite side to the box side hanging portion 4 of the lid side hanging portion 9, that is, inside the lid side hanging portion 9.

In this case, since the conical spring 49 can shorten the axial length at the time of compression compared with the cylindrical compression coil spring 43 as described above, the box-side hanging portion 4 of the lid-side hanging portion 9 Even if it is a narrow space on the opposite side, it can be arrange | positioned easily.

(H)

In the other embodiment (F) described above, the compression coil spring 43 is provided as the pressing member, but a tension coil spring may be provided in place of the compression coil spring.

Industrial Applicability

The present invention has an effect that the opening operation of the lid can be easily performed, and is useful as an opening and closing device of a cold storage box.

In the opening and closing apparatus of the cold storage box according to the present invention, since the movement in the upper direction of the upper surface operation portion and the movement in the inward direction of the side operation portion interlock, the operation by the upper operation portion and the operation by the side operation portion at the time of opening operation of the lid. There are two operations to choose from. For example, when the space on the side of the cold storage box is narrow and it is difficult to operate the side operation portion, the lid opening operation can be performed by pulling up the upper surface operation portion upward. Thereby, in the opening / closing apparatus of this cold storage box, an opening operation of a cover can be made easy.

Claims (11)

It is a switchgear provided in the cold storage box provided with the box main body and the cover which opens and closes the opening of the said box main body, A box side hanging portion provided at the box body side; It has an upper surface operation part disposed facing the upper surface side of the cover and a side operation portion disposed facing the side surface side of the cover, the upward movement of the upper surface operation portion and the movement in the inner direction of the side operation portion An operation unit provided on the cover side so as to interlock with each other; It is provided in the said lid side, it is pressed in the engagement position direction which engages with the said box side hanging part, and the said upper surface operation part is pulled up upwards, or the said side operation part is pushed in an inward direction, Cover side hanging part moving from an engagement position to a release position, A pressing member for urging the lid side hanging portion in the engagement position direction to engage the box side hanging portion; Opening and closing device of the cold storage box having a. The engagement position which engages in the lid which opens and closes the opening of a box main body, and encloses the lid side hanging part which encloses the box side hanging part provided in the said box main body, and the said lid side hanging part with the said box side hanging part. In the opening-and-closing apparatus which has the pressing member pressed in the direction, and the operation part which switches the said lid side hanging part from the said engagement position to a release position, The operation portion has an upper surface operation portion disposed to face the upper surface side of the lid and a side operation portion disposed facing the side surface of the lid, and moves upwards in the upper surface operation portion and in the inward direction of the side operation portion. It is installed on the cover side so that the movement is interlocked, The inner surface of the outer side wall portion, which is provided on the lid, is disposed in the space portion into which the lid side locking portion can be inserted from the lower opening, and forms the space portion by the pressing member. Is pushed in the direction, and the upper surface operating portion is pulled upwards or the side operating portion is pushed inward from the outer side of the lid to rotate against the pressing force of the pressing member so as to rotate from the engaging position. Opening and closing device of the cold storage box, characterized in that switched to the release position. The method according to claim 1 or 2, The operation unit is pivotally installed around a rotating shaft provided between the upper surface operation unit and the side operation unit. Switchgear of the cold box. The method according to claim 1 or 2, The operation portion and the lid side hanging portion are separate bodies, Further comprising a transfer unit for transmitting the movement of the operation unit to the cover side hanging portion Switchgear of the cold box. The method according to claim 1 or 2, The cover side hanging portion is formed integrally side by side horizontally with the operation portion. Switchgear of the cold box. The method according to claim 1 or 2, The operation portion is mounted to a recess provided over the upper surface and the side of the cover, the portion extending from the upper surface operation portion to the side operation portion is exposed to the outside Switchgear of the cold box. The method of claim 6, The outer surface of the operation portion is the same surface as the top and side surfaces of the cover Switchgear of the cold box. The method according to claim 1 or 2, It is further provided with a cover member which is attached to the recessed part provided over the upper surface and the side surface of the said cover, and forms the space part which accommodates the said operation part between the said recessed parts, Openings are provided on the top and side surfaces of the cover member. The operation portion is accommodated in the space so that the upper surface operation portion is exposed to the outside from the opening of the upper surface of the cover member, and the side operation portion is exposed to the outside from the opening of the side surface of the cover member. Switchgear of the cold box. The method according to claim 1 or 2, The pressing member is a compression coil spring Switchgear of the cold box. The method of claim 9, The lower end of the lid side hanging portion is provided with a ring portion engaged with the box side hanging portion, On the upper end of the cover side hanging portion is provided with a spring mounting portion to which the compression coil spring is mounted. Switchgear of the cold box. The method according to claim 1 or 2, The pressing member is a conical spring installed on the side opposite to the box side hanging portion of the lid side hanging portion. Switchgear of the cold box.

Images