CN1483981A - Drawer refrigerators with airtight sliding parts - Google Patents

Abstract

The present application discloses a drawer type refrigerator comprising a box body with at least one storage area and a sliding part, the storage area has a front opening, and the sliding part can slide in and out in the front opening of the storage area out. When the sliding part slides out, the automatic guiding/sealing device configured between the storage area and the sliding part stores elastic force in the sliding-in direction of the sliding part; when the sliding part slides in, it makes the stored elastic force act on on the sliding part. In this way, the sliding parts of the drawer refrigerator can be completely slid into the storage area, and the storage area can be sealed regardless of the materials used for the box body and the refrigerator door.

Description

Drawer refrigerators with airtight sliding parts

technical field

The present invention relates to a drawer type refrigerator, and more particularly to a drawer type refrigerator with a sliding part having an improved sliding-in structure.

Background technique

The prior art drawer-type refrigerator shown in Fig. 1 comprises box body 110, guide rail 115 and sliding part 120, contains the storage area 111 that has front opening 113 in the box body 110, and guide rail 115 is arranged at the opposite two sides of storage area 111, and sliding part 120 slides in and out through the front opening 113 of the storage area 111 along the rails 115.

The sliding part 120 includes a refrigerator door 121 for opening/closing the front opening 113 of the storage area 111, a support frame 123 extending along the guide rail 115 from the inside of the refrigerator door 121, and a support frame 123 inserted between the support frames 123 to be supported and used for holding storage basket 125 for things.

Rollers (not shown) may be installed at predetermined intervals between the guide rail 115 and the support frame 123 to facilitate smooth sliding of the sliding member 120 .

According to the prior art, the inner edge of the refrigerator door 121 and the box wall of the box body 110 are tightly sealed by magnetic force. That is to say, a magnet (not shown) will be installed in the inner panel of the refrigerator door 121 and a ferromagnetic metal will be used in the box wall of the box body 110 opposite thereto. In this way, the refrigerator door 121 can be made to seal the front opening 113 of the storage area 111 .

However, in a conventional drawer refrigerator, when the refrigerator door 121 cannot close the front opening 113 of the storage area 111 but protrudes from the casing 110, if the user does not notice this problem, the storage area 111 will always be open. This allows cold air to leak outside, wasting energy.

In addition, even if the magnetic force can make the storage area 111 airtight, the box body 110 is limited to use ferromagnetic materials. When the box body 110 is made of non-ferromagnetic material, a special magnet needs to be arranged at a position opposite to the magnet in the refrigerator door 121 .

Contents of the invention

Therefore, one aspect of the present invention is to enable the sliding part in the drawer refrigerator to slide completely into the storage area to seal the storage area inside.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice.

The foregoing and other aspects and advantages of the present invention can be achieved by providing a drawer refrigerator,

The drawer refrigerator includes: a box body including at least one storage area with a front opening and a sliding part that slides in and out from the front opening of the storage area, and further includes: a storage area disposed between the storage area and the sliding part The automatic guiding/closing device stores the elastic force in the sliding direction when the sliding part slides out, and makes the stored elastic force act on the sliding part when the sliding part slides in.

In one aspect, the automatic guiding/closing device includes a cooperating protrusion structure arranged on one of the storage area and the sliding part, a sliding locking structure, a guiding part and a spring part: the sliding locking structure has A first matching support for cooperating with one end of the cooperating protruding structure when sliding out and a second cooperating supporting part for cooperating with the other end of the cooperating protruding structure when the sliding part slides in; the guide part is arranged on the other The storage area or the sliding part is used to guide the sliding locking structure to move between the sliding position and the disengaging position when the sliding part slides in and out. The first supporting part can slide in the sliding position and cooperate with the protrusion structure One end cooperates with each other, and the first matching support part disengages from the matching protrusion structure when it moves to the disengagement position; the spring component stores elastic force when the sliding locking structure moves to the disengagement position.

In another aspect, the guide rail for guiding the sliding component is arranged in the storage area along the sliding direction of the sliding component, and one of the matching protrusion structure and the guiding component is arranged on the guide rail.

In another aspect, the sliding component includes a refrigerator door for opening/closing the front opening of the storage area, a support frame extending from the refrigerator door along guide rails, and a matching protrusion structure or guide member configured in the support frame.

On the other hand, in the guide part, there is a horizontal guide hole for guiding the sliding locking structure formed along the sliding direction of the sliding part, and a vertical guide extending from the horizontal guiding hole for guiding the sliding locking structure to the disengagement position. hole.

At the same time, in another aspect, the sliding locking structure further includes a first guiding projection structure inserted into the horizontal guiding hole, capable of sliding along the slide-in direction of the sliding part, and a second guiding projection capable of sliding between the horizontal guiding hole and the vertical guiding hole. structure.

In addition, in another aspect, one side of the spring component is connected with the guide component, and the other side is connected with the second guiding protrusion structure.

Also, in another aspect, the spring component is installed longitudinally on the opposite side of the horizontal guide hole where the sliding locking structure disengages.

Description of drawings

With reference to the accompanying drawings, by describing preferred embodiments of the present invention, the above and other aspects and advantages of the present invention will become clearer and easier to understand, wherein:

FIG. 1 is a partial perspective view showing a drawer refrigerator according to the prior art;

2 and 3 are partial cross-sectional views of a drawer refrigerator according to an embodiment of the present invention;

Fig. 4 is a partial enlarged view of the drawer refrigerator in Fig. 2 and Fig. 3;

Figures 5A-5D illustrate the working states of the drawer refrigerators shown in Figures 2 and 3; and

Fig. 6 and Fig. 7A and Fig. 7B show the working state of the sliding locking structure and the matching protrusion structure of the drawer refrigerator shown in Fig. 2 and Fig. 3 .

Detailed ways

Preferred embodiments of the invention will now be described in detail, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like parts throughout. Hereinafter, some embodiments of the present invention will be introduced in conjunction with the accompanying drawings to further illustrate the present invention.

As shown in Figures 2-4, a drawer type refrigerator according to an embodiment of the present invention includes: a casing 10 comprising a storage area 11 with a front opening 13; Sliding part 20; And an automatic guide/locating/locking device that is configured between the storage area 11 and the sliding part 20, it stores the elastic force of its slide-in direction when the sliding part 20 slides out, makes when the sliding part 20 slides in The stored elastic force acts on the slide member 20 .

The guide rails 15 are arranged on opposite sides of the storage area 11 for guiding the sliding part 20 to slide in and out. The sliding part 20 includes a refrigerator door 21 for closing/closing the front opening 13 of the storage area 11, a support frame 23 extending along the guide rail 15 from the inside of the refrigerator door 21, and a container inserted in the support frame 23 and supported by it. storage basket 25 for things.

Rollers (not shown) can be disposed between the guide rail 15 and the supporting frame 23 at predetermined intervals, so as to facilitate the smooth sliding of the sliding member 20 .

The automatic guiding/locating/locking device includes a matching protrusion structure 40 configured on one of the storage area 11 and the sliding part 20, a sliding locking structure 30, a guiding part 50 and a spring part 60: the sliding locking structure 30 has When the sliding part 20 slides out, the first matching support 31 is used to cooperate with one end of the matching raised structure 40 and the second matching supporting part 33 is used to cooperate with the other end of the matching raised structure 40 when the sliding part 20 slides in. The guide part 50 is configured on another storage area 11 or the sliding part 20, and is used to guide the sliding locking structure 30 to move between the sliding position and the disengaging position when the sliding part 20 slides in and out, and the first matching support Part 31 can slide in the sliding position and cooperate with one end of the matching protruding structure 40, and the first supporting member 31 is disengaged from the cooperating protruding structure 40 when the sliding part 20 slides in and out to the disengagement position; The spring component 60 stores elastic force when the sliding locking structure 30 moves to the disengagement position.

The cooperating protrusion structure 40 can be arranged in the guide rail 15 on the rear side of the storage area 11 , and it cooperates with the sliding locking structure 30 . The sliding locking structure 30 is located on the upper side of the matching protruding structure 40 , it is supported by the guide member 50 and can slide thereon. The first mating support 31 and the second mating support 33 are disposed in the sliding locking structure 30 . The first matching support member 31 is arranged behind the matching protrusion structure 40, and it can cooperate with the rear part of the matching protrusion structure when the sliding part 20 slides out. The second matching structure 33 is disposed in front of the matching raised structure 40, and it contacts with the front of the matching raised structure 40 when the sliding part 20 slides in, so that the first matching support member 31 is matched with the matching raised structure 40. rear contact. The first matching support piece 31 and the second matching support piece 33 of the sliding locking structure 30 are arranged in front and back of the matching raised structure 40 respectively, forming a "匚" shape.

The first guide protrusion 35 (see FIG. 7A-B) is inserted into the horizontal guide hole 51 of the guide member 50, and the second guide protrusion 37 (see FIG. 7A-B) is arranged at the level of the guide member 50 in the slide lock structure 30. Slide between the guide hole 51 and the vertical guide hole 53 .

A guide member 50 for guiding the slide lock 30 is arranged in the slide member 20 . The guide part 50 guides the sliding locking part 30, and when the sliding part 20 slides in and out, the sliding locking part 30 moves between the sliding position and the disengagement position. The rear of the structure 40 engages and disengages when moved to the disengaged position. The guide member 50 according to this embodiment of the present invention is disposed on the supporting frame 23, but it can also be disposed at a predetermined position of the storage basket 25, that is, a position opposite to the mating protrusion structure when the sliding member 20 slides into the storage area 11.

Horizontal guide holes 51 and vertical guide holes 53 are arranged in the guide member 50 . The horizontal guide hole 51 formed along the sliding direction of the sliding member 20 is used to guide the first guide protrusion 35 and the second guide protrusion 37 at the sliding position of the sliding lock member 30 . The vertical guide hole 53 extending upward from the rear of the horizontal guide hole 51 guides the slide latch 30 to the disengaged position by guiding the second guide protrusion 37 .

A spring member 60 is disposed between the guide member 50 and the slide lock member 30 , and when the slide member 20 slides out, the slide lock member 30 slides along the guide member 50 , thereby elongating the spring member 60 . The spring member 60 is elongated as the sliding member 20 slides out, so that when the sliding member 20 slides in, the elastic force acts on the sliding member 20 in the direction in which it slides in. In one embodiment, one side of the spring member 60 is connected to the guide member 50 and the other side is connected to the second guide protrusion 37 .

Under the above structural arrangement, now refer to accompanying drawings 5A-5D and Fig. 6 to illustrate the working process of the drawer refrigerator. First, as shown in FIG. 5A , when the sliding part 20 is fully pushed into the storage area 11 of the box body 10, the first matching support member 31 and the second matching support member 33 are respectively arranged opposite to each other on the matching raised structure 40. back and front. Simultaneously, the first guide protrusion 35 and the second guide protrusion 37 of the slide latch 30 are inserted into the horizontal guide hole 51 of the guide member 50 .

If the user pulls out the sliding part 20 , the sliding part 20 will slide out along the guide rail 15 , and the guiding part 50 on the sliding part 20 will be pulled out together with the sliding part 20 . The rear part of the cooperating protrusion structure 40 configured on the guide rail 15 will contact with the first cooperating support part 31 of the sliding locking part 30, thereby generating a backward pressure on the sliding locking part 30, so that the sliding locking part 30 The first guide protrusion 35 and the second guide protrusion 37 slide rearward along the horizontal guide hole 51 . In this embodiment, the spring member 60 is connected with the guide member 50 and the second guide protrusion 37, and the spring member will be elongated as the sliding locking member 30 slides (see FIG. 5B ).

When the sliding member 20 is slid out by a certain distance, the second guide protrusion 37 of the sliding latch 30 sliding on the rear side of the guide member 50 is inserted into the vertical guide hole 53 . If the second guiding projection 37 of the sliding locking member 30 slides along the vertical guiding hole 53, the sliding locking member 30 is rotated, thereby disengaging the first mating support 31 from the mating protrusion structure 40 (see FIG. 5C ). When the sliding part 20 continues to move and slides out of the storage area 11, the sliding locking part 30 will slide out together with the sliding part 20 and the guiding part 50, so that the first matching support part 31 is disengaged from the matching raised structure 40, and the spring part 60 will be elongated (see Figure 5D).

As mentioned above, when the sliding part 20 slides out of the storage area 11 and then continues to slide, the guiding part 50 and the sliding locking part 30 will approach the matching protrusion structure 40 arranged on the rear side of the guide rail 15 along with the sliding of the sliding part 20 . When the sliding part 20 slides into the storage area 11 for a certain distance, the front end of the matching protruding structure 40 will contact the second matching supporting part 33 of the sliding locking part 30 and provide pressure thereto. If the matching protrusion structure 40 exerts pressure on the second matching support member 33 , the first guiding protrusion 35 and the second guiding protrusion 37 will slide along the horizontal guiding hole 51 and the vertical guiding hole 53 . In this way, the second guide protrusion 37 located in the vertical guide hole 53 will enter the horizontal guide hole 51, causing the sliding latch 30 to rotate clockwise (see FIG. 6 ). With the rotation of the sliding lock 30, the first guide protrusion 35 and the second guide protrusion 37 are inserted into the horizontal guide hole 51, and the first mating support 31 and the second mating support 33 are placed in the mating protrusion respectively. The rear and front of the structure 40.

The first guide protrusion 35 and the second guide protrusion 37 slide in the horizontal guide hole 51, so that the elastic force of the spring member 60 pulls the sliding latch 30 in the sliding direction of the sliding member 20, and the spring necessary member 60 acts on the sliding latch. The elastic force on the part 30 also acts on the guide part 50, thereby pulling the sliding part 20 in the slide-in direction of the sliding part 20, and the sliding locking part 30 is locked by the cooperation of the first supporting part 31 and the rear part of the matching protruding structure 40. Keep in storage area 11.

Through the above working process, the sliding part 20 is fully pushed into the storage area 11 . Although the sliding part 20 slides out of the storage area 11 to a certain extent, the elastic force of the spring part 60 still allows the sliding part 20 to slide into the storage area 11 again completely, so that the front opening 13 of the drawer refrigerator of the present invention is sealed.

The spring member 60 is preferably mounted opposite to the horizontal guide hole 51 of the disengagement position guide member 50 (see FIG. 7B ). If the sliding latch 30 slides along the horizontal guide hole 51, the spring member 60 will be diagonally elongated in the direction of the guide member 50 (see FIG. 7A). The elastic force of the spring component 60 can prevent the sliding locking part 30 from freely rotating in the disengaged position, thereby preventing the sliding locking part 30 from sliding into the sliding position. In the above embodiments, the guide rail 15 is arranged in the side wall of the storage area 11 , but it can also be arranged in the upper wall or the lower wall of the storage area 11 .

In the above embodiments, the matching protrusion structure 40 is arranged in the guide rail 15 , and the guide member 50 is arranged in the sliding member 20 . However, the arrangement positions of the matching protrusion structure 40 and the guide member 50 can also be interchanged.

In the above embodiment, the engaging protrusion structure 40 is arranged in the guide rail 15, but it can also be arranged in other positions as long as its arrangement position can be kept fixed when the sliding member 20 slides out and in. For example, the matching protruding structure 40 can be fixed on the inner wall of the storage area 11 and arranged at a position opposite to the sliding latch.

In the above embodiments, the sliding component 20 includes the refrigerator door 21 , the support frame 23 and the storage basket 25 , but may also include other components that can slide along the guide rail 15 .

As mentioned above, by disposing the automatic guiding/sealing device between the storage area 11 and the sliding part 20, the elastic force in the sliding direction of the sliding part 20 is stored when the sliding part 20 slides out, and the stored elastic force is stored when the sliding part 20 slides in. The elastic force acts on the sliding part 20 , so that the sliding part 20 can be completely slid into the storage area 11 .

In addition, no matter what material the refrigerator box 10 and the refrigerator door 21 are made of, the front opening 13 of the storage area 11 can be completely sealed by the elastic force of the spring member 60 .

As mentioned above, the drawer type refrigerator provided by the present invention includes sliding parts that can completely slide into the storage area, so that the inside of the storage area can be completely sealed no matter what materials are used for the box body and the refrigerator door.

While only a few preferred embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, which fall within the scope of the invention within the scope defined by the claims and their equivalents.

Claims (26)

1. A drawer refrigerator with a casing, comprising: at least one storage area with a front opening; a sliding member that slides in and out of the front opening of the storage area; and An automatic guiding device arranged between the storage area and the sliding part stores the elastic force in the sliding direction when the sliding part slides out, and makes the stored elastic force act on the sliding part when the sliding part slides in. 2. The drawer refrigerator according to claim 1, wherein the automatic guiding device comprises: a cooperating raised structure configured on one of the storage area and the sliding member; A sliding locking structure, the sliding locking structure has a first matching support for cooperating with one end of the cooperating protrusion structure when the sliding part slides out and a first cooperating support part for cooperating with the other end of the cooperating protrusion structure when the sliding part slides in a second mating support; A guiding part configured on another storage area or on the sliding part is used to guide the sliding locking structure to move between the sliding position and the disengaging position when the sliding part slides in and out, and the first matching support part can move in the sliding position Sliding and cooperating with one end of the cooperating raised structure, the first cooperating support member disengages from the cooperating raised structure when it moves to the disengaged position; and A spring component that stores spring force when the sliding latch moves toward the disengaged position. 3. The drawer-type refrigerator according to claim 2, further comprising a guide rail arranged in the storage area along the slide-in direction of the sliding part for guiding the sliding part, and the matching protrusion structure and the guiding part have One is arranged on the guide rail. 4. The drawer refrigerator according to claim 3, wherein the sliding part comprises a refrigerator door for opening/closing the front opening of the storage area, a support frame extending from the refrigerator door along the guide rail, and a support frame arranged on the support Cooperating raised structures or guides in the frame. 5. The drawer-type refrigerator according to claim 4, wherein the guide part has a horizontal guide hole formed along the slide-in direction of the slide part for guiding the sliding locking structure, and a horizontal guide hole extending from the horizontal guide hole for guiding the sliding locking structure. Vertical guide hole for guiding the sliding locking structure to the disengagement position. 6. The drawer-type refrigerator according to claim 5, characterized in that the sliding locking structure further comprises a first guiding protrusion which is inserted into the horizontal guiding hole and can slide along the sliding direction of the sliding part, and can be inserted between the horizontal guiding hole and the sliding part. Slide the second guide tab between the vertical guide holes. 7. The drawer refrigerator according to claim 6, wherein one side of the spring member is connected with the guide member, and the other side is connected with the second guide protrusion. 8. The drawer-type refrigerator according to claim 7, characterized in that the spring member is installed lengthwise on the opposite side of the horizontal guide hole at the disengagement position of the sliding locking structure. 9. A drawer refrigerator with a storage area, comprising: a sliding member that slides in and out of the front opening of said refrigerator storage area; and a positioning mechanism disposed between said storage area and the sliding member, The positioning mechanism is characterized in that the positioning mechanism includes a spring member which engages the sliding member with the storage area when the sliding member is fully inserted into the storage area. 10. The drawer refrigerator of claim 9, wherein said positioning mechanism comprises: a cooperating raised structure configured on one of said storage area and sliding member; a sliding locking part having a first matching support part and a second matching supporting part, when the sliding part slides out, the first matching support part cooperates with one side of the matching protrusion structure so that the spring stores elastic force, When the sliding part slides in, its second matching support part cooperates with the other side of the matching supporting part and makes the stored elastic force push the sliding part in; and A guiding part arranged on the other of the storage area and the sliding part is used to guide the sliding locking part to move between the sliding position and the disengaging position, and when the sliding part slides in and out, the first matching The supporting member can slide at the sliding position and cooperate with one side of the matching protrusion structure, and the first supporting member is disengaged from it at the disengaging position. 11. The drawer-type refrigerator according to claim 10, further comprising: a guide rail installed in the storage area along the slide-in direction of the sliding part for guiding the sliding part, and a matching protrusion structure arranged on the guide rail or boot parts. 12. The drawer type refrigerator according to claim 10, wherein the sliding part comprises a refrigerator door for opening/closing the front opening of the storage area, a support frame extending from the refrigerator door along the guide rail and a support frame arranged on the support Cooperating raised structures or guides in the frame. 13. The drawer-type refrigerator according to claim 12, characterized in that the guide part has a horizontal guide hole formed along the slide-in direction of the slide part for guiding the sliding locking part to slide, and a horizontal guide hole extending from the horizontal guide hole for Vertical guide hole that guides the slide latch to the disengaged position. 14. The drawer-type refrigerator according to claim 13, characterized in that the sliding locking member further comprises a first guiding protrusion inserted into the horizontal guiding hole and slidable along the sliding direction of the sliding part, and a first guiding protrusion between the horizontal guiding hole and the sliding part. The second guide protrusion slides between the vertical guide holes. 15. The drawer refrigerator according to claim 14, wherein one side of the spring member is connected to the guide member, and the other side of the spring member is connected to the second guide protrusion. 16. The drawer-type refrigerator according to claim 15, characterized in that said spring member is installed lengthwise at a position opposite to the horizontal guide hole where the sliding locking member disengages. 17. A drawer refrigerator having a storage area, comprising: a sliding member that slides in and out of the front opening of the storage area of the refrigerator; a locking mechanism arranged between the storage area and the slide; Wherein the locking mechanism includes a spring sliding latch to secure the sliding member to the storage area when the sliding member is fully slid into the storage area. 18. The drawer refrigerator of claim 17, wherein said spring slide locking mechanism comprises: a sliding latch having a first mating support that cooperates with one side of the mating raised structure when the sliding member slides out, and a second mating support that When the sliding part slides in, it cooperates with the other side of the mating protrusion structure; The spring element stores elastic force when the sliding locking element slides to the disengagement position. 19. The drawer refrigerator of claim 18, wherein said locking mechanism further comprises: a cooperating raised structure disposed on one of the storage area or the slide; and A guiding part configured on the other of the storage area and the sliding part is used to guide the sliding locking part to move between the sliding position and the disengaging position. When the sliding part slides in and out, the first matching support part slides The position is slidable and engages with one side of the cooperating raised structure, and is disengaged from it at the disengaging position. 20. The drawer-type refrigerator according to claim 19, further comprising a guide rail arranged in the storage area along the slide-in direction of the sliding part for guiding the sliding part, and a matching protrusion structure or boot parts. 21. The drawer-type refrigerator according to claim 20, wherein the sliding part comprises a refrigerator door for opening/closing the front opening of the storage area, a support frame extending from the refrigerator door along guide rails, and a Cooperating raised structures or guides on the support frame. 22. The drawer-type refrigerator according to claim 21, wherein the guide member has a horizontal guide hole formed along the slide-in direction of the slide member for guiding the slide lock member to slide, and a guide slide extending out from the horizontal guide hole. Vertical guide hole for latch to disengagement position. 23. The drawer-type refrigerator according to claim 22, wherein the sliding locking member includes a first guiding protrusion inserted into the horizontal guiding hole and sliding along the sliding direction of the sliding part, and a first guiding protrusion that can be inserted between the horizontal guiding hole and the vertical The second guide protrusion slides between the guide holes. 24. The drawer refrigerator according to claim 23, wherein one side of the spring member is connected with the guide member, and the other side of the spring member is connected with the second guide protrusion. 25. The drawer-type refrigerator according to claim 24, characterized in that the spring member is installed lengthwise at a position opposite to the horizontal guide hole at the disengagement position of the sliding locking member. 26. The drawer refrigerator according to claim 17, further comprising: The locking mechanism includes an automatic guide device arranged between the storage area and the sliding part, which stores the elastic force in the sliding direction of the sliding part when the sliding part slides out, and makes the stored elastic force act on the sliding part when the sliding part slides in On, the guiding device includes: a cooperating raised structure disposed on one of the storage area and the sliding member; A sliding latch having first and second cooperating supports, the first cooperating support cooperating with one side of the cooperating raised structure when the sliding part slides out, and the second cooperating supporting part cooperating with one side of the cooperating raised structure when the sliding part slides in The other side of the raised structure forms a fit; A guiding part configured on another storage area or sliding part for guiding the sliding locking member to move between the sliding position and the locking position in the horizontal opening, the first guiding protrusion and the second guiding protrusion can move in the sliding position sliding, the second guide projection slides into a vertical opening connected to the horizontal opening in the locked position; and A spring member connected with the second guide protrusion stores elastic force when the second guide protrusion slides into the vertical opening, so that the sliding member can slide completely into the storage area to achieve airtightness.

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