TWM552903U - Improved storage box structure - Google Patents

Description

Structural improvement of the storage box (5)

The present invention provides a structural improvement of the storage box (5), mainly for the frame included in the unit storage box that allows the object to be stored, and the frame with the upper cover can be positioned with a simple operation, and can be accurately positioned. When the inserted drawer is used for internal pushing/extracting, it can be used to maintain the safety limit of internal and external displacement by the bottom resisting part, and at the same time, the stacking height of at least two or more storage boxes can be directly buckled around the boundary, that is, The desired azimuth limit can be achieved.

Press, the storage box/or storage box currently used for retracting various objects is quite in a variety of forms, and there are many basic frames formed by plastics in a preset form with light movement, and a box/drawer with a preset shape. It is very common to accommodate the push-in components to form the required storage components. The conventional existing storage box basically comprises: a frame of a predetermined width and shape, a cover body buckled at the upper end of the frame, and a permitting The frame is arranged in the drawer of the frame, wherein the set of the cover disposed at the upper end of the storage box is generally formed in a shape in which the four sides are formed with a slightly high flange, and the adjacent inner side is concave to have a concave periphery, and at the bottom of the storage box is A slightly higher bracket arrangement is formed for the four circumferences, so that the multi-layered storage boxes form a suitable interval when stacking, and the hand is easily removed.

The above-mentioned storage box is quite in a variety of forms, and the creator of the present case has previously designed different unit storage boxes according to the contents of the storage items, so as to constitute the storage unit of the expected form, and the present invention was created before the disclosure. The relevant storage box group that applied for and publicized the case Body, such as: Announcement in 2008.07.11 certificate number: M335977 "construction box (cabinet) structure improvement" new case, announced in 2014.08.21 certificate number: M484563 "structure improvement of the storage box" new case.

This creation is another new design for the combination of the relevant components of the same type of storage box assembly as described above, and the frame included in the unit storage box can be easily operated with the upper cover. The exact positioning can be obtained, and the inner bottom and outer resisting parts can be used to maintain the safety limit of internal and external displacement when the inserted drawer is pushed/extracted, and at least two or more storage boxes are required for the stacking rack. High can be buckled directly around the junction to achieve the desired azimuth limit.

The present invention is to maintain a safety limit by using a unit storage box for accommodating articles in which the related members are combined with each other to quickly introduce/or exit, so as to be included in the unit storage box. The preset range of the upper end of the preset morphological frame is a hole forming a plurality of holes, and a hook portion protruding at a periphery of the lower end is used as an upper and lower frame or a connection between the frame and the upper cover can directly make the upper frame or the upper cover The hook portion is introduced into the corresponding hole of the lower frame to obtain the exact bearing limitation, and the drawer placed between the frame and the drawer inserted in the frame is pushed inwardly or outwardly to the preset paragraph, which is a resisting component that can be borrowed from the bottom preset range. In order to maintain a limited safety, one can better limit the range of the multi-layer frame preset frame borrowing components to enhance the mobile matching of the unit storage box in the application.

The main purpose of this creation is to make a precise limitation on the combination of the unit storage box used for accommodating objects in a preset shape and the upper cover, which is adopted by: preset spacing or non-spacing along the upper end of the frame is formed. a plurality of holes, which allow the upper cover to protrude from the corresponding section of the inwardly-facing side, can be cut into the aforementioned holes when the cover is applied, so as to constitute a front end An open hollow frame for the purpose of being accommodated in a drawer.

The second purpose of the present invention is that the upper cover of the unit compartment including the upper cover of the upper end of the frame is formed in a predetermined range to form a slightly convex reinforcing section to match the slightly concave horizontal section of the adjacent layer. A reinforcing area to facilitate the combination of the upper cover and the frame to maintain a better level of strength.

The third purpose of the creation is to form a plurality of hooks in the frame at the lower end of the frame at the lower end of the frame. The frame between the multi-channel unit storage box and the frame is Stacked on each other, the corresponding lower holes of the lower frame can be introduced by the hooks of the lower frame of the upper frame to obtain an exact safety frame in a simple operation.

The fourth purpose of the present invention is that the frame included in the unit storage box is located at the front end of the frame at the front end of the frame. The predetermined paragraph is recessed upwardly with a receiving recess to match the introduction of a rod to the front end of the frame. Maintain the expected frame strength.

The fifth purpose of the present invention is to allow a front cover to be provided for the opening of the frame in the opening of the unit compartment.

The sixth object of the present invention is that the lower frame edge of one end of the frame included in the unit storage box is recessed at least one or more spaces at a predetermined interval, and the hole is recessed at one side of the space to match a lug extending inwardly on the periphery of the corresponding side is introduced into the space, and a convex portion formed on one side of the lug is cut into the hole to form a pivotal shape of the front cover and the frame; The pre-set end of the upper end of the cover is an elastic section protruding upwardly from a working end and protruding with a hook portion, so that the opening pushed into the corresponding end of the frame enables the elastic section to be pressed and the hook portion to be cut into the recess of the frame. The front cover is temporarily restrained from opening at the front end of the frame.

The seventh purpose of this creation is to place the frame contained in the unit compartment in the back layer. The upper and lower preset ranges of the surface are recessed to be slotted, and the multi-channel unit storage box is oriented upward with the upwardly-stacked stacking height of the slot of the two-unit storage box adjacent to the interface. Secure buckle between the upper and lower layers.

The eighth purpose of the present invention is to provide a slot in which the frame included in the unit storage box is recessed in the upper and lower preset ranges of the rear layer. If the buckle is not fitted, the dust plug can be used as a gap covering.

The ninth object of the present invention is that the fasteners included in the unit storage box can be allowed to cut into the slots on the side of the upper and lower frames, and at least one or more of the periphery is recessed to be a recessed space. Remove the finger when you remove it.

The tenth objective of the present invention is to provide a dust plug for the unit compartment to be introduced into the upper and lower frame without being restrained by the buckle therebetween, and the recessed space on either side is recessed to serve as a dustproof space. When the plug is removed, the finger is dialed out.

The eleventh object of the present invention is to cover the upper end of the unit storage box to cover the upper end of the frame. The opening of the frame is to allow the drawer to be accommodated into the action side to be used as a single layer storage article or a multi-layer storage article.

The twelfth purpose of the creation is that the panel on the side of the drawer is combined with the panel on the side of the drawer. The upper and lower borders are formed with a predetermined pitch or a non-pitch of a plurality of protrusions to match the drawer position. The recessed hole of the frame is suitable for tight cutting, so that the panel and the side of the drawer can be fixed in an exact position, or the panel can be removed by simply replacing the side frame.

The thirteenth object of the present invention is that the horizontal section of the frame on the inner side of the unit compartment is formed with a guiding area, and the rear end of the guiding area is recessed with an arc recess to match the bottom of the drawer. The arcuate projections, which are convexly spaced rearwardly, can be introduced into the arc recesses inwardly to the limit, so that the drawer maintains a temporary orientation limited.

The fourteenth object of the present invention is that the horizontal section of the frame on the inside of the unit compartment is formed with a guiding section, and the front end of the guiding section is a deep recess to match the bottom of the drawer. The arcuate projections of the correspondingly spaced rearward projections can be blocked by the aforementioned recesses when displaced outwardly to the frame opening, so that the drawer maintains a safety limit when pulled out of normal force.

The fifteenth objective of the present invention is that the drawers included in the unit storage box are protruded upwardly on the sides of the rear periphery to resist the section, so that the drawer accommodated in the frame is pulled out to the limit by excessive external force. The aforementioned abutting section is restricted by the corresponding upper end frame edge of the frame to prevent the external force from being pulled out of the frame by the sudden external force.

The sixteenth object of the present invention is that the panel position on the side of the drawer, which is included in the unit storage box, is recessed and held in the preset range, so as to facilitate the grip of the hand when the drawer is pulled out. Into the action.

[this creation]

1‧‧‧Frame

11,141, 52‧‧‧ holes

12, 31, 421, 82‧‧ ‧ hook

13‧‧‧ frame

131‧‧‧ accommodated recess

132‧‧‧ gap

14‧‧‧ Space

15‧‧‧Slots

16‧‧‧Guide area

161‧‧‧ arc recess

162‧‧‧ recess

2‧‧‧ rod segments

3‧‧‧Upper cover

321‧‧‧ Strengthening paragraph

322‧‧‧ horizontal paragraph

32‧‧‧Reinforcement area

4‧‧‧ front cover

41‧‧‧ lugs

411, 62‧‧ ‧ convex

42‧‧‧Flexible section

5‧‧‧Drawers

51, 61‧‧‧ border

53‧‧‧Arc convex

54‧‧‧Resistance section

6‧‧‧ panel

63‧‧‧ grip area

7‧‧‧Unit compartment

8‧‧‧ buckle

81, 91‧‧‧ recessed space

9‧‧‧Dust plug

Figure 1 is an exploded view of the relevant components of the compartment of the creation unit.

Figure 2 is a cross-sectional view of a portion of the components of the present unit storage compartment.

Figure 3 is a bottom view of the assembly of the relevant components of the compartment of the creation unit.

Fig. 4 is a cross-sectional view of the A-A portion of Fig. 3.

Fig. 5 is a front cross-sectional view showing the stacking height of the upper and lower unit compartments of the present creation.

Fig. 5 is a magnified detailed view of the C1 portion of Fig. 5.

Fig. 5 is a magnified detailed view of the C2 portion of Fig. 5.

Fig. 6 is a cross-sectional view of the B-B portion of Fig. 3.

Figure 7 is a schematic view of the components of the creation unit compartment and the front cover before assembly.

Figure 8 is an external view of the components of the creation unit compartment and the front cover.

Figure 9 is a front view of the front cover of the present unit storage box.

Fig. 10 is a cross-sectional view of the D-D portion of Fig. 9.

Fig. 10 is a magnified detailed view of the E1 portion of Fig. 10.

Fig. 10 is a magnified detailed view of the E2 portion of Fig. 10.

Figure 11 is a side elevational view of a portion of the present unit compartment compartment member with the front cover folded downward.

Fig. 12 is a rear perspective view of the stacking unit of the present creation unit in the upper and lower layers.

Figure 13 is a schematic illustration of the unfolding of the upper and lower stacking racks of the present unit storage box.

Figure 14 is a schematic view of the dust plug of Figure 13.

Figure 15 is a schematic view of the buckle of Figure 13.

Fig. 16 is a schematic view showing the cutting of the upper and lower stacking racks of the present unit storage box.

Fig. 16 is an enlarged cross-sectional view showing a portion F of Fig. 16.

Figure 17 is a schematic view of the components of the present unit storage compartment prior to introduction with the drawer.

Figure 18 is a schematic view of the drawer of the creation unit compartment before the combination of the drawer and the panel.

Fig. 19 is a schematic view showing the completion of the combination of the drawer and the panel in the storage unit of the creation unit.

Figure 20 is a side cross-sectional view of the creation drawer before being pushed into the unit compartment.

Figure 21 is a side cross-sectional view of the creation drawer in the push unit compartment.

Figure 22 is a schematic illustration of the creation of the drawer from the outside of the unit compartment to the limit limited by the bottom.

Figure 23 is an illustration of the restriction of the resisting section when the drawer of the creation is pulled to the limit of the unit compartment.

Figure 24 is an illustration of the stacking height of the creation unit compartment in the upper and lower layers.

Fig. 25 is a schematic view showing the cutting of the upper and lower stacking racks of the present unit storage box.

The structural improvement of the storage box of the present design (5) [as shown in Fig. 1] is mainly for the frame 1 of the unit storage box 7 used for accommodating the object to be combined with the upper cover 3 to obtain a precise limit. It is adopted that the predetermined spacing or non-spacing along the periphery of the upper end of the frame 1 is a hole 11 formed in a plurality of ways, so that the hook portion 31 protruding from the corresponding section of the upper cover 3 on the inward side can be suitably pressed. The hole 11 (as shown in Fig. 4 and Fig. 1) is cut tightly to form a hollow frame having a front end that is kept open, so as to be accommodated in the drawer.

Continuing the foregoing, the unit storage box 7 of the composition includes a cover portion 3 which is disposed on the periphery of the upper end of the frame 1 at a predetermined range to form a slightly convex reinforcing section 321 to match the slightly concave horizontal section of the adjacent layer. 322 is configured to form a reinforcing region 32 (as in Fig. 2) so that the upper cover 3 is bonded to the frame 1 to maintain a better layer strength.

The other unit storage box 7 includes a frame 1 at a lower end of the periphery, or a non-pitch is formed inwardly to form a plurality of hooks 12 (such as Figures 1 and 4), in order to facilitate the multi-channel unit compartment 7 The frame 1 is stacked on the frame 1 with the frame 1 (as shown in Fig. 5), and the corresponding hole 11 of the lower frame 1 is attached to the lower frame by the hook portion 12 of the lower frame 1 (as shown in Fig. 5). In order to achieve an accurate safety height in a simple operation (as shown in Figure 12) (the multi-channel compartments here are not required to be borrowed to maintain the expected stability, because the frame and the frame are between The orientation of each other is buckled).

And the frame compartment 13 included in the unit storage box 7 mentioned above has a frame edge 13 at the front end of the upper end, and the predetermined section is recessed upwardly with a receiving recess 131 (as shown in FIG. 1) to fit a rod section 2 The introduction allows the frame 1 to maintain the desired strength of the frame edge 13 at the front end (as in Figure 6).

The frame 1 included in the unit compartment 7 is preset at the opening toward the front end The frame edge 13 allows a front cover 4 to be assembled (as shown in FIG. 7); and the lower frame edge 13 which is open at one end of the frame 1 included in the unit storage box 7 is recessed at least one or more spaces at a predetermined pitch. And a hole 141 is recessed in a side of the space 14 to engage the space 14 and the protrusion formed on the side of the lug 41 by a lug 41 extending inwardly of the front cover 4 at a side of the corresponding side. The portion 411 cuts into the hole 141 (such as FIG. 7, FIG. 10, and FIG. 10), so that the front cover 4 and the frame 1 form a pivotal shape; and the predetermined section along the periphery of the upper end of the front cover 4 is Extending upwardly, an elastic portion 42 of a hook portion 421 is protruded from a working end so that the opening of the corresponding end of the frame 1 can be pressed to press the elastic portion 42 and the hook portion 421 is cut into the recessed portion 132 of the frame 1 [ As shown in Fig. 10, the front cover 4 is temporarily restricted to the front end opening of the frame 1 (Fig. 8, Fig. 9).

The aforementioned front cover 4, which is pivotally opened at one end of the frame 1, is opened outwardly (as shown in Fig. 10), and the elastic section 42 of the frame edge 13 of the upper end of the frame 1 is pressed by the hand, and the elastic section 42 is made. The hook portion 421 at one end is separated from the corresponding notch 132 of the frame 1 (as shown in Fig. 11), and the front cover 4 can be pulled outward to facilitate the object/or storage.

The upper and lower predetermined ranges of the frame 1 included in the unit storage box 7 are recessed to the slot 15 (as shown in Figs. 1, 13), and the multi-channel unit storage box 7 is facing upward. The stacking height can be matched with the hook portion 82 of the acting side of the buckle 8 to position the slot 15 recessed by the adjacent two-unit storage box 7 (such as FIG. 16 and FIG. 16) to make the upper and lower layers The safety buckle is kept between the two. The unit compartment 7 includes a slot 15 which is recessed in the upper and lower preset ranges of the rear layer. When the buckle 8 is not engaged, the dust plug 9 can be used. Notch covering (here, the front clamshell unit storage box 7 which is also combined with the front cover 4 is high in the stacking frame, and the rear side of the upper and lower unit storage compartments must be restrained by the buckle, as in the 13th Figure, because this is to cover the upper end of each unit of the compartment, without the direct orientation of the frame and frame.

The unit storage box 7 of the above paragraph is provided with a buckle 8 which allows the slot 15 cut into the boundary of the upper and lower frame 1 to be recessed at a periphery of at least one or more to be recessed into the space 81 (the recess here) The space is implemented by recessing each periphery) (as shown in Fig. 15), as the finger is to be removed when the buckle 8 is removed; and the unit compartment 7 is included to be introduced into the upper and lower frame 1 The dust-proof plug 9 for restricting the slot 15 by the clip 8 is recessed to the recessed space 91 on either side (as shown in Fig. 14), and the finger is removed when the dust plug 9 is to be removed.

The upper end of the unit storage box 7 is covered with the upper cover 3. The one end opening of the frame 1 is a drawer 5 (such as FIG. 17) which is allowed to be accommodated in the action side joint panel 6 as a single layer storage object or a multi-layer storage. The application of the object; and the panel 6 included in the unit compartment 7 is coupled to the side of the drawer 5, and the upper and lower frames 61 are formed by a plurality of protrusions 62 of a predetermined pitch or a non-pitch (as shown in FIG. 18). The hole 52 which is recessed in the corresponding upper and lower frame 51 of the drawer 5 is suitable for the tight cutting, so that the panel 6 and the side of the drawer 5 are kept in an exact orientation limit (as shown in Fig. 20), or the panel 6 is to be replaced. The side frame 61 can be removed by slightly pulling it.

Further, the horizontal section of the frame 1 included in the unit compartment 7 is formed on the inner side of the frame to form the guide area 16 (such as Figs. 1 and 6), and the rear end of the guide area 16 is recessed into the arc recess 161. The arcuate projections 53 projecting rearwardly with the corresponding spacing of the bottom of the drawer 5 can be introduced into the arc recess 161 (as shown in Figs. 20 and 21) in the inward direction, so that the drawer 5 maintains a temporary orientation.

Horizontal section on the inside of the frame included in the unit compartment 7 Is formed with the guiding area 16, and the front end along the guiding area 16 is a deep recess 162, so as to fit the opening of the bottom of the drawer 5 correspondingly behind the arc convex portion 53 to be displaced outward to the opening of the frame 1 It is blocked by the aforementioned recess 162 (as shown in Fig. 21) to ensure that the drawer 5 maintains a safety limit when pulled out of normal force.

The drawers 5 included in the unit storage box 7 are protruded upwardly on both sides of the rear periphery to abut the section 54 (such as the 17th, 20th), so as to receive an excessive force as the drawer 5 accommodated in the frame 1. Pulling out to the limit can be restricted by the corresponding upper end frame 13 of the frame 1 (as shown in Fig. 23) to prevent the external force from being pulled out of the frame 1; and the unit compartment 7 is included in the joint The panel 6 on the side of the drawer 5 is recessed in a predetermined range 63 (as shown in Fig. 21) to facilitate the gripping operation of the hand when the drawer 5 is pulled out.

And the upper end of the drawer 5 is disposed to cover the upper cover 3, and the frame 1 is stacked as a multi-layer stack (as shown in Fig. 24), and the hook portion 82 of the action side of the buckle 8 can be adjacent to the upper and lower layers. The two slots 15 recessed in the junction portion of the unit compartment 7 are limited by one direction (as shown in Fig. 25), and the slot 15 which is recessed in the upper and lower frame 1 which the cutting device 8 cuts in is not provided by the dust plug 9. Notch cover (this type of drawer unit storage box is required to use a buckle to make a rear side restriction of the upper and lower unit storage compartments, and the front side of the drawer is not covered by the upper cover. The panels in the push-in frame will collide with each other, so that the upper and lower unit compartments cannot be directly buckled by the frame and the frame).

1‧‧‧Frame

11‧‧‧ hole

12, 31‧‧ ‧ hook

13‧‧‧ frame

131‧‧‧ accommodated recess

15‧‧‧Slots

16‧‧‧Guide area

161‧‧‧ arc recess

162‧‧‧ recess

2‧‧‧ rod segments

3‧‧‧Upper cover

7‧‧‧Unit compartment

Claims (16)

The structural improvement of a storage box is that the frame used for accommodating the object is a frame suitable for the preset shape, and the frame can be combined with the upper cover to obtain an exact limit, which is: the preset spacing or non-spacing along the upper end of the frame is A plurality of holes are formed to allow the hook portion of the upper cover to protrude from the corresponding portion of the inwardly-facing side to be cut into the hole at the time of covering, so as to form a hollow frame having a front end that is open-shaped, so as to facilitate An application that fits into a drawer. The structural improvement of the storage box according to the first aspect of the patent application, wherein the upper cover of the unit storage box covering the upper end of the frame is in a predetermined range to form a slightly convex reinforcing section to match the adjacent layer. Slightly recessed horizontal sections make up a reinforcing area to allow the upper cover to bond to the frame to maintain a better layer strength. According to the structural improvement of the storage box according to the first aspect of the patent application, wherein the unit storage box includes a frame position at a lower end of the periphery, or a non-pitch is a hook portion which is formed inwardly to facilitate the multi-channel unit storage box. The frame between them is stacked on top of each other with the frame, and the corresponding holes of the lower frame are introduced by the hooks of the lower frame of the upper frame to obtain an exact safety frame in a simple operation. The structural improvement of the storage box according to the first aspect of the patent application, wherein the frame insertion frame includes a frame on the front end of the upper end of the frame, and the predetermined section is recessed upwardly to receive a receiving recess to match the one-segment The introduction is such that the frame maintains the desired frame edge strength at the front end. According to the structural improvement of the storage box of claim 1, the frame of the unit storage box is provided with a front cover at the opening of the front end. The structural improvement of the storage box according to item 5 of the patent application scope, wherein the lower frame edge of one end of the frame included in the unit storage box is at least one or more spaces at a predetermined interval, and is empty One side of the space is recessed with a hole to fit the space in which the front cover extends inwardly on the side of the corresponding side to introduce the space, and the convex portion formed on one side of the lug is cut into the aforementioned hole, so that the front cover and the front cover are The frame is formed in a pivotal shape; and the predetermined section along the periphery of the upper end of the front cover is an elastic section protruding upwardly and extending at a working end, so as to facilitate the elastic section to be pushed into the corresponding end of the frame. The recessed and hooked portion cut into the recessed recess of the frame, so that the front cover is temporarily restricted to the front end opening of the frame. According to the structural improvement of the storage box according to the first aspect of the patent application, wherein the unit storage box includes a frame position on the upper and lower surfaces of the rear layer, the predetermined range is recessed with a slot, and the multi-channel unit storage box is facing upward. The stacking height can be matched with the buckle to fix the slot of the two-unit storage box recessed adjacent to the boundary, so as to maintain the safety between the upper and lower layers. According to the structural improvement of the storage box of claim 7, wherein the unit storage box includes a slot which is recessed in the upper and lower predetermined ranges of the rear layer, and can be introduced by a dust plug when the buckle is not fitted Notch cover. The structural improvement of the storage box according to the seventh aspect of the patent application, wherein the unit storage box includes a buckle which allows the slot cut into the side of the upper and lower frames to be recessed at a periphery of at least one or more to be concave Space, as the finger must be removed when the buckle is removed. The structural improvement of the storage box according to the seventh or eighth aspect of the patent application, wherein the unit storage box includes a dustproof plug which can be introduced into the upper and lower layers without being buckled therebetween to restrict the slot, and is recessed on either side. The recessed space is used as a finger when the dust plug is to be removed. The structural improvement of the storage box according to the first aspect of the patent application, wherein the upper end of the unit storage box includes an upper end covering the upper end of the frame, and the opening of the frame is a drawer for allowing the receiving side to be combined with the panel as a single layer storage object or The application of multi-layer storage items. According to the structural improvement of the storage box of claim 11, wherein the unit storage box includes a panel on the side of the drawer, and the upper and lower frames on the inner side are a plurality of protrusions forming a predetermined pitch or a non-pitch. Fit the drawer with the recessed holes in the corresponding upper and lower frames to make a tight cut, so that the panel and the drawer can maintain the exact orientation limit, or remove the panel and remove any side frame to remove it. According to the structural improvement of the storage box of claim 11, wherein the unit compartment includes a frame in which horizontal sections on both sides are formed to guide the area, and a rear end of the guiding area is recessed in an arc recess The arc convex portion protruding rearwardly corresponding to the corresponding spacing of the bottom of the drawer can be introduced into the limit by the inward displacement to the limit, so that the temporary orientation of the drawer is limited. The structural improvement of the storage box according to claim 11 of the patent application, wherein the horizontal section of the unit compartment including the frame on both sides is formed to guide the area, and the front end along the guiding area is deeper The recesses are arranged to be displaced outwardly to the frame opening by the arc protrusions protruding rearwardly corresponding to the corresponding spacing of the bottom of the drawer to be blocked by the aforementioned recesses, so that the drawer maintains a safety limit when the normal force is pulled out. According to the structural improvement of the storage box of claim 11, wherein the drawer of the unit storage box is provided on the sides of the rear periphery to protrude upward to resist the section, so as to be too large as the drawer accommodated in the frame The external force is pulled out to the limit by the aforementioned upper end of the frame to be restrained by the corresponding upper end frame frame to prevent the external force from being pulled out of the frame. According to the structural improvement of the storage box of claim 11, wherein the unit storage box includes a panel that is coupled to the side of the drawer, and the panel is recessed in a predetermined range to facilitate pulling the drawer It is convenient for the hand to move.