CN109764626B - Foldable rack and refrigerator with same - Google Patents

Abstract

The invention provides a foldable shelf and a refrigerator with the same. The foldable shelf includes: an upper shelf and a lower shelf located on the lower side of the upper shelf, and the front and rear sides of the upper shelf are A rack extending in the left and right directions, and at least one damping gear that is engaged in the rack and can slide left and right along the rack are formed; between the front and rear sides of the upper and lower racks A pair of support rods arranged in an "X" cross are arranged between them, and an upper end of a pair of support rods is pivotally connected with a damping gear, and a spring is arranged between the damping gear and the end of the rack; The edges of the shelf and the lower shelf can be in contact, and a self-locking device is provided on the edge of the upper and lower shelf, and when the edge of the upper and lower shelf touches, the self-locking device locks and prevents the lower shelf The shelf moves downward. It has the advantages of height adjustment and automatic opening.

Description

Collapsible shelf and refrigerator with same

technical field

The invention relates to the technical field of refrigeration equipment, in particular to a foldable shelf and a refrigerator with the same.

Background technique

A refrigerator is a commonly used household appliance in people's daily life. There are usually shelves in the storage compartment of the refrigerator. It is understandable that the items stored in the storage compartment by the user usually have different sizes. Especially height.

Therefore, how to design a kind of collapsible shelf that can adjust height has just become a problem demanding prompt solution.

Contents of the invention

The object of the present invention is to provide a foldable shelf and a refrigerator with the same.

In order to achieve one of the objectives of the above invention, an embodiment of the present invention provides a foldable storage rack for a refrigerator, comprising: an upper storage rack and a lower storage rack located at the lower side of the upper storage rack, the The front and rear sides of the upper shelf are formed with racks extending in the left and right directions, and at least one damping gear that is engaged in the rack and can slide left and right along the rack; Between the front side and the rear side of the upper and lower storage racks, a pair of support rods arranged in an "X" cross are arranged, and an upper end of the pair of support rods is pivotally connected with a damping gear. , and a spring is provided between the damping gear and the end of the rack; the edges of the upper shelf and the lower shelf can be in contact, and a self-locking device is provided on the edge of the upper and lower shelf, and When the edges of the upper and lower racks touch, the self-locking device locks and prevents the lower rack from moving downward.

As a further improvement of an embodiment of the present invention, the number of the damping gears is two, a spring is clamped between the damping gear on the left and the left edge of the upper shelf, and the damping gear on the right A spring is clamped between the right edge of the upper rack; the rack includes two rack segments fixed on the left and right sides of the upper rack respectively, and the damping gear on the left is clamped In the rack section on the left, the damping gear on the right is clamped in the rack section on the right; the two sides of the two rack sections that are close to each other are provided with slides that can block the passage of the damping gear stopper.

As a further improvement of an embodiment of the present invention, the number of the damping gear is one, the other upper end of the stack of support rods is pivotally connected to the upper shelf, and the two ends of the pair of support rods are The upper ends are all located on the same side of the upper shelf.

As a further improvement of an embodiment of the present invention, sliding grooves extending in left and right directions are formed on both front and rear sides of the upper shelf, and the racks are arranged in the sliding grooves.

As a further improvement of an embodiment of the present invention, a rack is provided on the lower surface of the chute, or a rack is provided on both the upper and lower inner surfaces.

As a further improvement of an embodiment of the present invention, the damping gear includes an elastic gear that is engaged in the rack and can slide left and right along the rack, and an elastic gear that is engaged in the rack. A slider in the chute and capable of sliding left and right along the chute.

As a further improvement of an embodiment of the present invention, guide grooves extending along the left and right directions are formed on the front and rear sides of the upper shelf, and the extension direction of the guide grooves is parallel to the extension direction of the chute and The chute is connected, and the damping gear includes a plurality of guide columns that are engaged in the guide groove and can slide left and right along the guide groove.

As a further improvement of an embodiment of the present invention, the self-locking device includes a lock hole provided with the edge of the upper shelf and opening downward, and a lock hole provided with the edge of the lower shelf and connected with the lock A lock tongue matched with the holes, when the edges of the upper and lower racks are in contact, the lock tongue is inserted into the lock hole and the self-locking device is self-locked.

As a further improvement of an embodiment of the present invention, the cross-section of the lock tongue gradually becomes larger and then smaller in the direction from bottom to top, and the cross-section of the opening of the lock hole is smaller than the cross-section of the inner cavity.

An embodiment of the present invention also provides a refrigerator, wherein the above-mentioned foldable shelf is arranged in a storage compartment of the refrigerator.

Compared with the prior art, the technical effect of the present invention is that: the embodiment of the present invention provides a foldable shelf and a refrigerator with it, the foldable shelf includes: an upper shelf and a refrigerator located under the upper shelf The lower storage rack on the side, the front and rear sides of the upper storage rack are formed with racks extending in the left and right directions, and at least one damper that is engaged in the rack and can slide left and right along the rack. Gears; a pair of support rods arranged in an "X" cross are arranged between the front side and the rear side of the upper and lower racks, and an upper end of a pair of support rods is pivotally connected with a damping gear. And a spring is arranged between the damping gear and the end of the rack; the edges of the upper shelf and the lower shelf can be in contact, and a self-locking device is provided on the edge of the upper and lower shelf, and the upper and lower shelf When the edge of the shelf touches, the self-locking device locks and prevents the lower shelf from moving downward. It has the advantages of height adjustment and automatic opening.

Description of drawings

Fig. 1A is a first perspective view of the foldable shelf in the embodiment of the present invention, wherein the foldable shelf is in an open state;

Fig. 1B is a first perspective view of the foldable shelf in the embodiment of the present invention, wherein the foldable shelf is in a closed state;

Fig. 2A and Fig. 2B are three-dimensional structural diagrams including rack segments, damping gears and support rods in the embodiment of the present invention;

Figure 2C is a partially enlarged view of part A in Figure 1A;

Fig. 3 is an exploded view including a rack segment, a damping gear and a support rod in an embodiment of the present invention;

Fig. 4 is a three-dimensional structure diagram of a damping gear in an embodiment of the present invention;

Fig. 5 is a partially enlarged view of part B in Fig. 1A.

Detailed ways

The present invention will be described in detail below in conjunction with various embodiments shown in the drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

The terms used herein to denote relative spatial positions such as "upper", "above", "under", "under", etc. are for convenience of description to describe the relative position of one element or feature relative to another as shown in the drawings. Relationships of units or features. The terms of spatial relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Embodiment 1 of the present invention provides a foldable shelf for refrigerators, as shown in Figure 1A, Figure 1B and Figure 2C, including:

The upper shelf 1 and the lower shelf 2 located at the lower side of the upper shelf 1, the front and rear sides of the upper shelf 1 are formed with racks extending in the left and right directions and matching clips. At least one damping gear 112 disposed in the rack and capable of sliding left and right along the rack;

Between the front side and the rear side of the upper and lower storage racks, a pair of support rods 3 crossed in an "X" are arranged, and an upper end of the pair of support rods 3 and a damping gear 112 can pivotally connected, and a spring 113 is provided between the damping gear 112 and the end of the rack;

Here, at any time, the tooth tips in the two damping gears 112 are interlocked with the tooth tips in the rack. It can be understood that when the damping gear 112 slides left and right, the rack can exert force on the damping gear 112. The damping force opposite to the sliding direction, therefore, the distance between the lower shelf 2 and the upper shelf 1 is variable (that is, when the damping gear 112 slides a tooth tip distance in the left and right direction, the upper tooth can be changed. , the distance between the lower shelf), and the height of the left and right sides of the lower shelf 2 can be unequal (for example, in Fig. The distance is L1, the distance between the upper end on the right side and the right side of the upper shelf 1 is L2, when L1>L2, the height of the left side of the lower shelf 2 is higher than the height of the right side; when L1=L2, The left side height of the lower shelf 2 is equal to the right side height; when L1<L2, the left side height of the lower shelf 2 is lower than the right side height), therefore, it is very convenient for the user to adjust the height of the storage space.

The edges of the upper shelf 1 and the lower shelf 2 can be in contact, and the edges of the upper and lower shelves are provided with a self-locking device 4, and when the edges of the upper and lower shelves are in contact, the self-locking The lock device 4 locks and prevents the lower shelf 2 from moving downward. Here, as shown in Figure 1A and Figure 1B, the lower shelf 2 can move up and down relative to the upper shelf 1, and when the lower shelf 2 moves to the lower side of the upper shelf 1, the upper and lower shelves The edges of the shelves can be contacted, so that no storage space can be formed above the lower shelf 2, that is, the foldable shelf is in a closed state; otherwise, when the edges of the upper and lower shelves do not touch, A storage space is formed above the lower shelf 2, that is, the foldable shelf is in an open state.

Preferably, there are two damping gears 112, a spring 113 is interposed between the damping gear 112 on the left and the left edge of the upper shelf 1, and the damping gear 112 on the right is connected to the left edge of the upper shelf 1. A spring 113 is clamped between the right edge of the above shelf 1;

The rack includes two rack segments 111 fixedly arranged on the left and right sides of the upper rack 1 respectively, the damping gear 112 on the left is clamped in the rack segment 111 on the left, and the damping gear on the right 112 is clamped in the rack section 111 on the right side;

Both sides of the two rack segments 111 that are close to each other are provided with sliding stoppers 1111 capable of blocking the passage of the damping gear 112 .

Here, when the storage space needs to be closed, the initial state is as shown in FIG. Sliding with the rack 1, and will be away from each other, the damping gear 112 on the left and right sides will compress the spring 113. It can be understood that those skilled in the art can easily imagine that on the rear side of the upper shelf 1, the damping gear 112 The same is true for the movement of the rack; afterward, the edge of the lower rack 2 is in contact with the edge of the upper rack 1, and the self-locking device 4 is locked, and the downward movement of the lower rack 2 is prevented, finally forming the frame shown in Figure 1B. status.

Here, when the storage space needs to be opened, the initial state is as shown in Figure 1B, only the self-locking device 4 needs to be opened, and here, on the front side of the upper shelf 1, the spring 113 on the left is damped to the left. The gear 112 applies a force to the right, and the spring 113 on the right applies a force to the left to the damping gear 112 on the right. Therefore, the two damping gears 112 will slide along the rack and will approach each other. It can be understood that , those skilled in the art can easily imagine that on the rear side of the upper shelf 1, the movement of the damping gear 112 is also the same, and finally the state shown in FIG. 1B is formed.

Optionally, as shown in Figures 2A-2C, a clamping block 114 can be provided on the left and right sides of the chute 11, so that on the left side, the spring 113 is clamped on the clamping block 114 and the damping gear 112 on the left side Between; on the right side, the spring 13 is clamped between the block 114 and the damping gear 112 on the right side.

Optionally, as shown in Fig. 1A and Fig. 1B, the upper and lower racks can be rectangular, and the number of self-locking devices 4 can be two, and the two corners on the same side of the rectangle are both A self-locking device 4 is provided.

Here, as shown in FIG. 4 , a connecting piece 1124 for connecting the spring 13 may be provided in the damping gear 112 , and in the damping gear 112 on the right side, the connecting piece 1124 is provided with a first cylindrical opening that opens to the right. , the first cylindrical opening can accommodate one end of the spring 13, and the second cylindrical opening opening to the left is also provided in the right clamping block 114, and the second cylindrical opening can accommodate the other end of the spring 13 . Those skilled in the art can easily imagine the situation on the left.

Here, it can be understood that the farther the left damping gear 112 slides to the right and the farther the right damping gear 112 slides left, the greater the distance between the upper and lower shelves , the height of the storage space formed on the lower shelf 2 is larger, therefore, the sliding distance of the damping gears 112 on the left and right sides is limited by the sliding stopper 1111, therefore, the two sliding stoppers can control the storage space. size.

Secondly, it can be understood that when the damping gears 112 on the left and right sides are all abutting against the sliding stopper 1111, when placing items on the lower shelf 2, the sliding stopper 112 can exert force on the damping gears 112 on the left and right sides. Force, thereby guaranteeing the stability of the lower rack 2, also makes it possible to place heavier items on the lower rack 2.

Preferably, the number of the damping gear 112 is one, the other upper end of the stack of support rods 3 is pivotally connected with the upper shelf 1, and the two upper ends of the pair of support rods 3 are Located on the same side of the upper shelf 1. Here, it can be understood that once the damping gear 112 slides left and right along the rack, the vertical distance between the lower shelf 2 and the upper shelf 1 can be changed; They are pivotably connected, therefore, the upper shelf 1 can provide greater pulling force to the second upper end, that is, the lower shelf 2 can place important items.

Optionally, as shown in Figure 1A and Figure 1B, the lower end of one of the pair of support rods 3 is connected to the left side of the lower shelf 2, and the lower end of the other is connected to the right side of the lower shelf 2 .

Preferably, as shown in FIG. 1A , sliding slots 11 extending along the left and right directions are formed on the front and rear sides of the upper shelf 1 , and the racks are disposed in the sliding slots 11 .

Preferably, a rack is provided on the lower surface of the chute 11 , or a rack is provided on both the upper and lower inner surfaces.

Preferably, as shown in FIG. 3 and FIG. 4, the damping gear 112 includes a matching elastic gear 1121 that is engaged in the rack and can slide left and right along the rack, and a matching snap gear 1121. A slider 1122 is disposed in the sliding slot 11 and can slide left and right along the sliding slot 11 . Here, it can be understood that the slider 1122 cooperates with the chute 11, so that the slider 1122 can only slide left and right along the chute 11, so the damping gear 112 can only slide left and right along the rack; in addition, Since the slider 1122 cooperates with the chute 11, the chute 11 can provide an upward force to the slider 1122, that is, the downward force exerted by the lower shelf 2 on the support rod 3 is borne by the slider 1122, Therefore, the downward force on the elastic gear 1121 is reduced, and the elastic gear can be better protected. Optionally, the cross section of the chute 11 is square, and the slider 1122 is also a square structure.

Preferably, as shown in FIG. 3 and FIG. 4 , guide grooves 115 extending along the left and right directions are formed on the front and rear sides of the upper shelf 1 , and the extending direction of the guide grooves 115 is in line with that of the sliding groove 11 . The extension direction is parallel to and communicated with the chute 11 , and the damping gear 112 includes a plurality of guide columns 1123 that are engaged in the guide groove 115 and can slide left and right along the guide groove 115 . Here, as shown in Figure 3, on the front side, the front side of the upper and lower inner surfaces of the chute 11 can be respectively provided with corresponding risers 1151, and the two risers 1151 are located in the same vertical plane, and the two risers The space between 1151 just forms guide groove 115. As shown in Figure 4, the two guide columns 1123 and the elastic gear 1121 are located on the front and rear sides of the slider 1122 respectively; Both sides of slider 1122. Those skilled in the art can easily imagine the situation on the rear side.

Preferably, as shown in FIGS. 1 and 5 , the self-locking device 4 includes a locking hole with the edge of the upper shelf 1 facing downwards and an edge of the lower shelf 2 . And the lock tongue 41 matched with the lock hole, when the edges of the upper and lower racks touch, the lock tongue 41 is inserted into the lock hole and makes the self-locking device 4 self-lock.

Preferably, the cross-section of the lock tongue 41 gradually increases and then becomes smaller in the direction from bottom to top, and the cross-section of the opening of the lock hole is smaller than the cross-section of the inner cavity thereof.

Embodiment 2 of the present invention provides a refrigerator, and the storage compartment of the refrigerator is provided with the foldable shelf in Embodiment 1.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for feasible implementations of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent implementation or implementation that does not depart from the technical spirit of the present invention All changes should be included within the protection scope of the present invention.

Claims (8)

1. A collapsible shelf for a refrigerator, characterized in that, include: The upper shelf and the lower shelf located on the lower side of the upper shelf, the front and rear sides of the upper shelf are formed with racks extending in the left and right directions, and the matching clips are arranged on the at least one damping gear in the rack and capable of sliding left and right along the rack; Between the front side and the rear side of the upper and lower storage racks, a pair of support rods arranged in an "X" cross are arranged, and an upper end of the pair of support rods is pivotally connected with a damping gear. connected, and a spring is provided between the damping gear and the end of the rack; The edges of the upper shelf and the lower shelf can be in contact, and a self-locking device is provided on the edges of the upper and lower shelves, and when the edges of the upper and lower shelves are in contact, the self-locking device locks Hold and prevent the lower shelf from moving downward; The rack includes two rack segments fixedly arranged on the left and right sides of the upper rack; The two sides of the two rack segments that are close to each other are provided with sliding stoppers capable of blocking the passage of the damping gear; A chute extending along the left and right directions is formed on the front and rear sides of the upper shelf, and the rack is arranged in the chute; The damping gear includes an elastic gear that fits in the rack and can slide left and right along the rack, and an elastic gear that fits in the chute and can slide along the rack. Slots make sliders that slide left and right. 2. The foldable shelf according to claim 1, characterized in that: There are two damping gears, a spring is clamped between the damping gear on the left and the left edge of the upper shelf, and the damping gear on the right is connected to the right side of the upper shelf. A spring is clamped between the edges; The damping gear on the left is clamped in the rack segment on the left, and the damping gear on the right is clamped in the rack segment on the right. 3. The foldable shelf according to claim 1, characterized in that: The number of the damping gear is one, the other upper end of the stack of support rods is pivotally connected with the upper shelf, and the two upper ends of the pair of support rods are located on the upper shelf on the same side. 4. The foldable shelf according to claim 1, characterized in that: A rack is provided on the lower surface of the chute, or a rack is provided on both the upper and lower inner surfaces. 5. The foldable shelf according to claim 1, characterized in that: Guide grooves extending along the left and right directions are formed on the front and rear sides of the upper shelf. The extension direction of the guide grooves is parallel to the extension direction of the chute and communicates with the chute. The damping The gear includes a plurality of guide columns that are engaged in the guide groove and can slide left and right along the guide groove. 6. The foldable shelf according to claim 1, characterized in that: The self-locking device includes a lock hole provided with the edge of the upper shelf and opening downward, and a lock tongue provided with the edge of the lower shelf and matched with the lock hole. When the edges of the lower shelf are in contact, the lock tongue is inserted into the lock hole and the self-locking device is self-locked. 7. The foldable shelf according to claim 6, characterized in that: The cross-section of the lock tongue gradually becomes larger and then smaller in the direction from bottom to top, and the cross-section of the opening of the lock hole is smaller than the cross-section of the inner cavity. 8. A refrigerator, characterized in that: The foldable shelf according to any one of claims 1-7 is arranged in the storage compartment of the refrigerator.

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