A storage cabinet

Abstract

The utility model relates to a kind of storage cabinet, including shell and movable assembly, the side opening of shell, the top of shell is provided with first track, the bottom in shell is provided with second track, first track and second track are parallel with the length direction of shell;Movable assembly includes movable frame, first slider and second slider, movable frame includes top plate, bottom plate and the two side plates between top plate and bottom plate, the top of top plate is equipped with first slider, first slider slides on first track, the bottom of bottom plate is equipped with second slider, second slider slides on second track, movable assembly slides to opening direction, and it is unfolded to with the length direction of shell inclination. The above technical solution is extracted to limit position when movable frame, to form fulcrum with second slider and realize the inclination unfolding of movable frame with first slider in first track, more intuitive and support multi-angle operation, to facilitate user to access article.

Description

Technical Field

[0001] This utility model relates to the field of item storage, and in particular to a storage cabinet. Background Technology

[0002] Currently, the movable shelves in storage cabinets can usually only be moved horizontally or fully pulled out from inside the cabinet. When the movable shelves are pulled out, users must look down directly at the shelves to access items, which is inconvenient. In addition, items are piled together, making it difficult to see where to retrieve them. Utility Model Content

[0003] Therefore, a storage cabinet is needed to solve the technical problem that when the movable shelves are pulled out, users have to look down at the shelves to access items, which is not convenient, and the items are piled up together, making it difficult to see where to retrieve them.

[0004] To achieve the above objectives, this utility model provides a storage cabinet, comprising:

[0005] The outer shell has an opening on one side, a first track on the top of the outer shell, and a second track on the bottom inside the outer shell. The first track and the second track are parallel to the length direction of the outer shell.

[0006] The movable component includes a movable frame, a first sliding member, and a second sliding member. The movable frame includes a top plate, a bottom plate, and two side plates installed between the top plate and the bottom plate. The first sliding member is installed on the top of the top plate and slides on a first track. The second sliding member is installed on the bottom of the bottom plate and slides on a second track. The movable component slides towards the opening and unfolds to be inclined with respect to the length of the outer shell.

[0007] Unlike existing technologies, the above technical solution has a first sliding member and a second sliding member on the inner side of the movable frame, which slide on the first track and the second track respectively. At the same time, when the movable frame is pulled to the limit position, the first sliding member forms a fulcrum in the first track and cooperates with the second sliding member to realize the tilting and unfolding of the movable frame, which is more intuitive and supports multi-angle operation, thus making it convenient for users to store and retrieve items.

[0008] As one embodiment of this utility model, the movable frame also includes shelf limiting strips and movable shelves. Shelf limiting strips are installed at corresponding positions on the two side plates, and the movable shelves are mounted on the shelf limiting strips.

[0009] Thus, by setting shelf limiting strips, movable shelves can be placed on them, making it convenient to place items on the movable shelves. Optionally, the shelf limiting strips can be set at an angle, so that the movable shelves also follow the angle, thereby allowing items of different shapes to be placed and saving space.

[0010] As one embodiment of this utility model, mounting holes are provided at the front and rear ends of the two side plates, and the movable frame also includes two stop bars, with both sides of each stop bar installed in the corresponding mounting holes, and the stop bars blocking the items.

[0011] In this way, the two sides of the barrier are inserted into the mounting holes to form a detachable guardrail, thereby preventing small items from falling.

[0012] As one embodiment of this utility model, the two side plates have two or more mounting holes and two or more shelf limiting strips along the height direction of the movable frame.

[0013] By setting multiple shelf limiting strips and multiple mounting holes, the installation height of the movable shelves and stops can be adjusted according to actual usage, making it more flexible to use.

[0014] As one embodiment of this utility model, the movable frame also includes a first perforated plate, the top of which is fixedly installed on the top plate and the bottom of which is fixedly installed on the bottom plate.

[0015] Thus, by setting up the first perforated board, users can easily hang and place items.

[0016] As one embodiment of this utility model, the movable frame further includes a rotating perforated plate, a first connecting member, and a second connecting member. The rotating perforated plate is located at one end of the first perforated plate. The first connecting member is installed on the top of one side of the rotating perforated plate and is hinged to the top plate. The second connecting member is installed on the bottom of one side of the rotating perforated plate and is hinged to the bottom plate. The rotating perforated plate is unfolded to be inclined with respect to the length direction of the movable frame.

[0017] Thus, the first and second connectors are hinged to the top and bottom plates respectively, making storage and unfolding convenient. When the perforated panel is rotated outwards and unfolded, it can be used as a temporary workbench or display shelf, increasing the hanging capacity of items.

[0018] As one embodiment of this utility model, two of each of the rotating perforated plate, the first connector, and the second connector are provided. Each rotating perforated plate corresponds to one first connector and one second connector. A rotating perforated plate is provided at both the front end and the rear end of the first perforated plate.

[0019] Thus, the addition of two rotating perforated panels further expands the hanging capacity of items.

[0020] In one embodiment of this utility model, three tracks are evenly distributed along the width of the outer shell, and three sets of movable components are provided, with each set of movable components corresponding to one first track and one second track.

[0021] In this way, the three separate movable components can provide more storage space, while also making it easier to categorize and store items and avoiding interference when retrieving them.

[0022] As one embodiment of this utility model, the storage cabinet also includes two support ribs, which are installed at the bottom inside the outer shell and are located on both sides of the second track. The movable component is located above the two support ribs and slides on the two support ribs. The two support ribs support the movable component.

[0023] In this way, the support ribs can bear the vertical load when the moving components slide, thus extending the service life of the second track.

[0024] As one embodiment of this utility model, the storage cabinet also includes bottom ribs, which are installed at the bottom of the outer shell and support the outer shell.

[0025] In this way, the bottom ribs can reinforce the bottom of the shell, prevent the shell from deforming due to heavy objects, and extend the service life of the shell.

[0026] The above description of the utility model is merely an overview of the technical solution of this application. In order to enable those skilled in the art to better understand the technical solution of this application and to implement it based on the description and drawings, and to make the above-mentioned objectives and other objectives, features and advantages of this application easier to understand, the following description is provided in conjunction with the specific embodiments and drawings of this application. Attached Figure Description

[0027] The accompanying drawings are only used to illustrate the principles, implementation methods, applications, features, and effects of specific embodiments of this application and other related content, and should not be considered as limitations on this application.

[0028] In the accompanying drawings of the instruction manual:

[0029] Figure 1 This is a schematic diagram of the structure of a storage cabinet according to one embodiment of this application;

[0030] Figure 2 This is another structural schematic diagram of a storage cabinet according to one embodiment of this application;

[0031] Figure 3 for Figure 1 Sectional view of AA;

[0032] Figure 4 for Figure 1 Sectional view of BB;

[0033] Figure 5 This is a top view of a storage cabinet according to one embodiment of this application;

[0034] Figure 6This is another top view of a storage cabinet according to one embodiment of this application;

[0035] Figure 7 This is a schematic diagram of the casing structure according to one embodiment of this application;

[0036] Figure 8 This is a schematic diagram of the structure of a movable frame according to an embodiment of this application;

[0037] Figure 9 This is a cross-sectional view of a movable frame according to an embodiment of this application;

[0038] Figure 10 This is another structural schematic diagram of the movable frame according to one embodiment of this application;

[0039] Figure 11 This is a schematic diagram of the structure of the first connector according to an embodiment of this application;

[0040] Figure 12 This is a schematic diagram of the structure of the second connector according to an embodiment of this application;

[0041] Figure 13 This is a schematic diagram of other structures of the movable frame according to one embodiment of this application;

[0042] Figure 14 Another cross-sectional view of the movable frame according to one embodiment of this application.

[0043] The reference numerals used in the above figures are explained as follows:

[0044] 100 - Storage cabinet; 1 - Outer shell; 11 - Opening; 12 - First track; 13 - Second track; 14 - Upper stop bar; 15 - Lower stop bar; 2 - Movable component; 21 - Movable frame; 210 - Top plate; 2101 - First hole; 211 - Bottom plate; 2111 - Ring; 212 - Side plate; 2121 - Mounting hole; 213 - Shelf limiting strip; 214 - Movable shelf; 215 - Stop bar; 216 - First perforated plate; 217 - Rotating perforated plate; 218 - First connector; 219 - Second connector; 22 - First sliding member; 23 - Second sliding member; 3 - Support rib; 4 - Bottom rib; X - Length direction of outer shell; Y - Width direction of outer shell; A - Length direction of movable frame; B - Height direction of movable frame. Detailed Implementation

[0045] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.

[0046] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0047] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0048] In the description of this application, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " in this document generally indicates that the preceding and following objects have an "or" logical relationship.

[0049] In this application, terms such as “first” and “second” are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy or order relationship between these entities or operations.

[0050] Without further limitations, the use of terms such as “comprising,” “including,” “having,” or other similar open-ended expressions in this application is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a list of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0051] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments in this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0052] In the description of the embodiments of this application, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the purpose of describing the specific embodiments of this application or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0053] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this application, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral arrangement; it can be a direct connection or an indirect connection through an intermediate medium; it can be a relationship of two components combined together, an interaction relationship between two components, or a connection within two structures. Those skilled in the art to which this application pertains can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0054] Currently, the movable shelves in storage cabinets can usually only be moved horizontally or fully pulled out from inside the cabinet. When the movable shelves are pulled out, users must look down directly at the shelves to access items, which is inconvenient. In addition, items are piled together, making it difficult to see where to retrieve them.

[0055] In view of this, this application provides a storage cabinet 100, including a shell 1 and a movable component 2. The shell 1 has an opening 11 on one side, a first track 12 is provided on the top of the shell 1, and a second track 13 is provided on the bottom inside the shell 1. The first track 12 and the second track 13 are parallel to the length direction X of the shell. The movable component 2 includes a movable frame 21, a first sliding member 22 and a second sliding member 23. The movable frame 21 includes a top plate 210, a bottom plate 211 and two side plates 212 installed between the top plate 210 and the bottom plate 211. The first sliding member 22 is installed on the top of the inner side of the top plate 210 and slides on the first track 12. The second sliding member 23 is installed on the bottom of the inner side of the bottom plate 211 and slides on the second track 13. The movable component 2 slides towards the opening 11 and unfolds to be inclined to the length direction X of the shell.

[0056] like Figure 2 and Figure 7 As shown, the length direction X of the outer shell is perpendicular to the width direction Y of the outer shell. Figures 8 to 10 as well as Figure 13 As shown, the length direction A of the movable frame is perpendicular to the height direction B of the movable frame.

[0057] According to some embodiments of this application, please refer to Figures 1 to 14 This embodiment relates to a storage cabinet 100, including a shell 1 and a movable component 2. The shell 1 has an opening 11 on one side, a first track 12 on the top of the shell 1, and a second track 13 on the top inside the shell 1. The first track 12 and the second track 13 are parallel to the length direction X of the shell. The movable component 2 includes a movable frame 21, a first sliding member 22, and a second sliding member 23. The movable frame 21 includes a top plate 210, a bottom plate 211, and two side plates 212 installed between the top plate 210 and the bottom plate 211. The first sliding member 22 is installed on the top of the inner side of the top plate 210 and slides on the first track 12. The second sliding member 23 is installed on the bottom of the inner side of the bottom plate 211 and slides on the second track 13. The movable component 2 slides toward the opening 11 and unfolds to be inclined to the length direction X of the shell.

[0058] The outer casing 1 can be a cuboid or a cube, with an opening 11 on one side for the movable component 2 to be pulled out and unfolded. The first track 12 is exposed, and the second track 13 is concealed.

[0059] The inner sides of the top plate 210 and the bottom plate 211 are the sides of the top plate 210 and the bottom plate 211 away from the opening 11. The top plate 210 has a first hole 2101, through which a first sliding member 22 engages with a first track 12. The first sliding member 22 can be a rivet or a limiting rod, and slides within the first track 12 with limited movement. A second sliding member 23 engages with a second track 13. The second sliding member 23 can be a stainless steel ball. A ring 2111 is installed at the bottom of the bottom plate 211, and the stainless steel ball is installed within the ring 2111. The stainless steel ball rolls with low friction within the second track 13, reducing pulling resistance. In some embodiments, the second sliding member 23 can also be a rotating rod or a smooth rod, which can rotate within the second track 13.

[0060] An upper stop bar 14 is installed on the top of the outer casing 1 on the side of the opening 11, which restricts the first sliding member 22. A lower stop bar 15 is installed on the bottom of the outer casing 1 on the side of the opening 11, which restricts the second sliding member 23, thereby limiting the maximum extension position of the movable frame 21. The movable component 2 slides from inside the outer casing 1 toward the opening 11 and can tilt and unfold after sliding to the maximum position. Preferably, the movable component 2 can be unfolded to an angle of inclination of 0°-60° with respect to the length direction X of the outer casing. In addition, the tilt angle of the movable component 2 can be locked (for example, a fixing groove is provided at one end of the first track 12 on the top of the outer casing 1 to accommodate the first sliding member 22, thereby limiting the tilt angle of the movable component 2) to prevent the movable frame 21 from accidentally sliding back.

[0061] The above technical solution only provides a first sliding member 22 and a second sliding member 23 on the inner side of the movable frame 21, which slide on the first track 12 and the second track 13 respectively. At the same time, when the movable frame 21 is pulled to the limit position, the first sliding member 22 forms a fulcrum in the first track 12 and cooperates with the second sliding member 23 to realize the tilting and unfolding of the movable frame 21, which is more intuitive and supports multi-angle operation, thus making it convenient for users to store and retrieve items.

[0062] like Figure 8 and Figure 9 As shown, the movable rack 21 also includes a shelf limiting strip 213 and a movable shelf 214. The shelf limiting strip 213 is installed at corresponding positions on the two side plates 212, and the movable shelf 214 is mounted on the shelf limiting strip 213.

[0063] The shelf limiting strip 213 is directly welded to the inner side of the side plate 212, and the movable shelf 214 can be directly placed on it for easy assembly and disassembly.

[0064] Thus, by setting the shelf limiting strip 213, the movable shelf 214 can be placed on it, making it convenient to place items on the movable shelf 214. Optionally, the shelf limiting strip 213 can be set at an angle, so that the movable shelf 214 is also set at an angle, thereby allowing items of different shapes to be placed and saving space.

[0065] like Figure 8 and Figure 9 As shown, mounting holes 2121 are provided at the front and rear ends of the two side plates 212. The movable frame 21 also includes two baffles 215. The two sides of each baffle 215 are installed in the corresponding mounting holes 2121, and the baffles 215 block the items.

[0066] Mounting holes 2121 are provided at both the front and rear ends of the side plate 212, and the two sides of the stop bar 215 are inserted to form a four-way enclosure. The mounting holes 2121 are elliptical holes, and the two sides of the stop bar 215 are bent inward into an L-shape. The L-shape and the elliptical holes facilitate the installation and removal of the stop bar 215.

[0067] Thus, the two sides of the stop bar 215 are inserted into the mounting holes 2121 to form a detachable guardrail, thereby preventing small items from falling.

[0068] like Figure 8 and Figure 9 As shown, the two side plates 212 have two or more mounting holes 2121 and two or more shelf limiting strips 213 along the height direction B of the movable frame.

[0069] The height of mounting holes 2121 is adjustable to accommodate different items and prevent them from falling. Shelf height is freely adjustable (e.g., top shelf for documents / bottom shelf for heavy items). After removing the retaining bar 215, hooks can be attached to the mounting holes 2121 to expand storage. The position and number of multiple shelf limiting strips 213 and mounting holes 2121 can be set according to actual usage.

[0070] Thus, by setting multiple shelf limiting strips 213 and multiple mounting holes 2121, the installation height of the movable shelf 214 and the stop bar 215 can be adjusted according to the actual use, making it more flexible to use.

[0071] like Figure 13 As shown, the movable frame 21 also includes a first perforated plate 216, the top of which is fixedly installed on the top plate 210, and the bottom of which is fixedly installed on the bottom plate 211.

[0072] The first perforated board 216 is an existing perforated board structure, so it will not be described in detail. In this way, by setting the first perforated board 216, it is convenient for users to hang and place items.

[0073] like Figures 10 to 14 As shown, the movable frame 21 also includes a rotating perforated plate 217, a first connector 218, and a second connector 219. The rotating perforated plate 217 is located at one end of the first perforated plate 216. The first connector 218 is installed on the top of one side of the rotating perforated plate 217 and is hinged to the top plate 210. The second connector 219 is installed on the bottom of one side of the rotating perforated plate 217 and is hinged to the bottom plate 211. The rotating perforated plate 217 is unfolded to be inclined to the length direction A of the movable frame.

[0074] The first connector 218 and the second connector 219 are mounted to the rotating perforated plate 217 at one end in a U-shape, with the U-shape clamping the rotating perforated plate 217. Preferably, the rotating perforated plate 217 is unfolded to an inclination angle of 0°-120° with respect to the length direction A of the movable frame.

[0075] Thus, the first connector 218 and the second connector 219 are hinged to the top plate 210 and the bottom plate 211 respectively, making storage and unfolding convenient. When the perforated plate 217 is rotated outward to unfold, the perforated plate 217 can be used as a temporary workbench or display rack, increasing the hanging capacity of items.

[0076] like Figure 14 As shown, there are two of each of the rotating perforated plate 217, the first connector 218, and the second connector 219. Each rotating perforated plate 217 corresponds to one first connector 218 and one second connector 219. A rotating perforated plate 217 is provided at both the front and rear ends of the first perforated plate 216.

[0077] Thus, the addition of two rotating perforated plates 217 further expands the capacity for hanging items.

[0078] like Figures 1 to 3 and Figures 5 to 7 As shown, three tracks 12 and 13 are evenly distributed along the width Y direction of the outer shell, and three sets of movable components 2 are provided, with each set of movable components 2 corresponding to one track 12 and one track 13.

[0079] Thus, the three separate movable components 2 can obtain more storage space, while facilitating classified storage and avoiding interference when retrieving items. In some embodiments, four or five first tracks 12 and second tracks 13 may be provided depending on the width of the housing 1.

[0080] like Figure 3 and Figure 7 As shown, the storage cabinet 100 also includes two support ribs 3, which are installed at the bottom inside the outer shell 1 and located on both sides of the second track 13. The movable component 2 is located above the two support ribs 3 and slides on the two support ribs 3. The two support ribs 3 support the movable component 2.

[0081] One second track 13 corresponds to two support ribs 3. Therefore, when there are N second tracks 13, 2N support ribs 3 need to be provided. In this embodiment, there are 3 second tracks 13, and 6 support ribs 3 are provided. In some embodiments, one second track 13 may also be provided with four or six support ribs 3, with two support ribs 3 forming a group, and multiple groups of support ribs 3 are evenly distributed along the length direction X of the outer shell.

[0082] In this way, the support rib 3 can bear the vertical load when the movable component 2 slides, thus extending the service life of the second track 13.

[0083] like Figure 7 As shown, the storage cabinet 100 also includes a bottom rib 4, which is installed on the bottom of the outer shell 1 and supports the outer shell 1.

[0084] In this way, the bottom rib 4 can reinforce the bottom of the outer shell 1, prevent the outer shell 1 from deforming due to heavy objects, and extend the service life of the outer shell 1.

[0085] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection for this utility model. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of this utility model, or equivalent structural or procedural transformations made using the content of this utility model's specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of patent protection for this utility model.

Claims

1. A storage cabinet, characterized in that, include: The outer casing has an opening on one side, a first track is provided on the top of the outer casing, and a second track is provided on the bottom inside the outer casing. The first track and the second track are parallel to the length direction of the outer casing. The movable component includes a movable frame, a first sliding member, and a second sliding member. The movable frame includes a top plate, a bottom plate, and two side plates installed between the top plate and the bottom plate. The first sliding member is installed on the top of the top plate and slides on a first track. The second sliding member is installed on the bottom of the bottom plate and slides on a second track. The movable component slides toward the opening and unfolds to be inclined with respect to the length direction of the outer shell.

2. The storage cabinet according to claim 1, characterized in that, The movable frame also includes shelf limiting strips and movable shelves. The shelf limiting strips are installed at corresponding positions on the two side panels, and the movable shelves are mounted on the shelf limiting strips.

3. The storage cabinet according to claim 2, characterized in that, Mounting holes are provided at the front and rear ends of the two side plates. The movable frame also includes two baffles, with both sides of each baffle installed in the corresponding mounting holes, and the baffles blocking the items.

4. The storage cabinet according to claim 3, characterized in that, The two side plates have two or more mounting holes and two or more shelf limiting strips along the height direction of the movable frame.

5. The storage cabinet according to claim 1, characterized in that, The movable frame also includes a first perforated plate, the top of which is fixedly mounted on the top plate, and the bottom of which is fixedly mounted on the bottom plate.

6. The storage cabinet according to claim 5, characterized in that, The movable frame also includes a rotating perforated plate, a first connector, and a second connector. The rotating perforated plate is located at one end of the first perforated plate. The first connector is installed on the top of one side of the rotating perforated plate and is hinged to the top plate. The second connector is installed on the bottom of one side of the rotating perforated plate and is hinged to the bottom plate. The rotating perforated plate is unfolded to be inclined with respect to the length direction of the movable frame.

7. The storage cabinet according to claim 6, characterized in that, Two of each of the rotating perforated plate, the first connector, and the second connector are provided. Each rotating perforated plate corresponds to one first connector and one second connector. A rotating perforated plate is provided at both the front end and the rear end of the first perforated plate.

8. The storage cabinet according to claim 1, characterized in that, The first track and the second track are evenly distributed in three lines along the width direction of the outer shell. The movable components are arranged in three groups, and each group of movable components corresponds to one first track and one second track.

9. The storage cabinet according to claim 1, characterized in that, The storage cabinet also includes two support ribs, which are installed at the bottom inside the outer shell and located on both sides of the second track. The movable component is located above the two support ribs and slides on the two support ribs, which support the movable component.

10. The storage cabinet according to claim 1, characterized in that, The storage cabinet also includes bottom ribs, which are installed at the bottom of the outer shell and support the outer shell.

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