TW201307020A - Hand tool hanging rack - Google Patents

Abstract

This invention relates to a hand tool hanging rack, comprising an aluminum extrusion backboard having bottom part extended forward with a bottom plate structure; a row of track formed on the bottom plate structure; and a positioning block set disposed on the track, wherein each positioning block set is disposed with several positioning blocks, each positioning block is disposed at the bottom part with a sliding seat and each sliding seat is disposed at the center of top part with a upward convexly disposed insertion seat. In this invention the sliding seat or the insertion seat of the positioning block is formed in circular shape enabling the socket to rotate; and the insertion seat is also disposed with an engaging bottom part or a ring rib capable of being shrunk inward to be engaged to the inner wall surface of the socket enabling the socket to be stably positioned, so as to achieve the efficacies of enabling the socket to be positioned and rotated at the same time, which is very convenient and practical.

Description

Hand tool hanger

The invention relates to a fixing device for a hand tool, in particular to a hand tool hanger.

The hand tool hanger of the prior art is provided with a track base and a plurality of positioning blocks slidably coupled to the track base. Each positioning block is provided with a sliding seat at the bottom and a convex socket on the top surface of the sliding seat. The sliding seat is a square plate, and the socket is a cylinder, so the sleeve can be rotated on the socket and the dimensioned side is turned forward, but the hand tool hanger can rotate the sleeve, but it is not set. The structure that positions the sleeve causes the sleeve to fall easily.

Another prior art hand tool hanger, the sliding seat is a square plate body, and the socket is a square cylinder body and is provided with a retractable fitting portion, and the fitting portion can position the inner wall surface of the sleeve so that the sleeve does not fall. However, such a hand tool hanger cannot rotate the sleeve because the socket is square.

In addition, the prior art hand tool hanger is provided with a track on the front side of the back plate, and a plurality of positioning blocks are combined on the track in a laterally slidable manner, and the socket sleeve is provided by the socket on the positioning block to reach the fixed sleeve. The effect of storage and display. The prior art hand tool hanger can fix a row of sleeves, but since the same hand tool hanger can only fix a row of sleeves, the sleeve should be fixed according to the size of the sleeve in use. In the case of multiple rows, a plurality of hand tool hangers are required for storage, and thus the manner of fixing is limited, so that it is less convenient to use and costly.

In order to solve the shortcomings and limitations of the prior art hand tool hanger lacking the structure for positioning and rotating the sleeve at the same time, the main object of the present invention is to provide a hand tool hanger which has a sliding seat or a socket of a positioning block. The sleeve can be rotated, and the socket is provided with a button portion or a ring rib which can be retracted and clamped on the inner wall surface of the sleeve, so that the sleeve can be stably fixed, and the sleeve can be positioned and rotated at the same time. Convenient and practical.

In order to achieve the above object, the present invention provides a hand tool hanger, the structure comprising: a track base, which is extruded from aluminum and provided with a back plate, which is a vertical and extending plate body extending in the left and right directions. Two sides of the back plate are provided with two hanging holes, and a bottom plate structure is horizontally extended toward the front of the back plate, and a row of tracks is formed on the bottom plate structure, and the track extends in the left and right directions. The top of the track forms a plane extending in the left and right directions and having a rectangular shape. Two hook pieces are protruded upward on the front and rear end edges of the plane, and the two hook pieces are long strips whose top end is curved inward. a plane along the top of the track and a sliding groove extending between the two hooks in the left and right directions; and a positioning block group coupled to the track and provided with a plurality of positioning blocks, each positioning block having a sliding at the bottom The sliding seat of each positioning block is a circular plate body and is embedded in the sliding groove of the track in a left and right sliding and rotatable manner, and a hollow square column is protruded upward in the middle of the top of each sliding seat. Socket, each socket has two long strips running through the side And a worn groove located between the corresponding two grooves and can be worn inwardly bent leaf spring, the intermediate position of each elastic piece is provided with a convex shape fitted knob shaped portion.

The hand tool hanger, wherein the track base is provided with two or more rows of tracks, and two or more sets of positioning blocks having the same number as the track, and the width of the front side and the rear direction of the track on the rear side is greater than that of the front side. The widths of the front and rear directions of the track are the same size of the sockets of the positioning blocks combined with the same track, and the socket size of the positioning block positioned at the rear side is larger than the socket size of the positioning block positioned at the front side.

The hand tool hanger, wherein the bottom plate structure comprises a rear bottom plate and a front bottom plate, wherein the rear bottom plate is a flat rectangular plate body extending forward from a bottom of the back plate, and a front end edge of the rear bottom plate A rear convex plate is protruded vertically upwards, and the rear convex plate is an elongated plate body extending in the left and right directions, and a rear overlapping strip is protruded toward the front edge of the rear convex plate, and the rear overlapping The strip is an elongated strip extending in the left and right directions, and a plurality of rear perforations are formed at intervals between the left and right sides of the rear strip; the front bottom plate is a flat rectangular plate body having a width equal to the rear bottom plate The height of the bottom surface and the height of the bottom surface are the same as the height of the bottom surface of the rear bottom plate. A front convex plate is protruded vertically upward from the rear end edge of the front bottom plate, and the front convex plate is an elongated plate body extending in the left and right directions. a front lap is protruded rearwardly from a top edge of the front convex plate, and the front lap is an elongated plate extending in the left and right directions and is superposed on the rear lap. A plurality of front perforations are formed in the front lap strip corresponding to each of the rear perforations, and a bolt nut group is coupled between each of the rear perforations and each of the front perforations.

The hand tool hanger, wherein the track is provided with three rows, one of which is disposed in the middle of the rear bottom plate of the bottom plate structure, and the other two rows are respectively disposed on the front half side and the rear half side of the front bottom plate.

The invention provides a hand tool hanger, comprising: a track base, which is extruded from aluminum and is provided with a back plate, which is a vertical and extending plate body extending in the left and right directions, and is disposed on both sides of the back plate There are two hanging holes, and a bottom plate structure is horizontally extended toward the front of the back plate, and a row of rails is formed on the bottom plate structure, the rails extend in the left and right directions, and the top of the rail forms a left a plane extending in the right direction and having a rectangular shape. Two hook pieces are protruded upward on the front and rear end edges of the plane, and the two hook pieces are long strips whose top end is curved inward, the plane at the top of the track and two A sliding groove extending in the left and right directions is formed between the hook pieces; and a positioning block group is coupled to the track and provided with a plurality of positioning blocks, and each positioning block is provided with a sliding seat at the bottom, and sliding of each positioning block The seat is a square plate body and is embedded in the sliding groove of the track in a left and right sliding manner, and a hollow cylindrical socket is protruded upward in the middle of the top of each sliding seat, and each socket is provided with two lengths on the side. a through-groove through groove and an annular radial projection Retracted rib ring.

The hand tool hanger, wherein the track base is provided with two or more rows of tracks, and two or more sets of positioning blocks having the same number as the track, and the width of the front side and the rear direction of the track on the rear side is greater than that of the front side. The widths of the front and rear directions of the track are the same size of the sockets of the positioning blocks combined with the same track, and the socket size of the positioning block positioned at the rear side is larger than the socket size of the positioning block positioned at the front side.

The hand tool hanger, wherein the bottom plate structure comprises a rear bottom plate and a front bottom plate, wherein the rear bottom plate is a flat rectangular plate body extending forward from a bottom of the back plate, and a front end edge of the rear bottom plate A rear convex plate is protruded vertically upwards, and the rear convex plate is an elongated plate body extending in the left and right directions, and a rear overlapping strip is protruded toward the front edge of the rear convex plate, and the rear overlapping The strip is an elongated strip extending in the left and right directions, and a plurality of rear perforations are formed at intervals between the left and right sides of the rear strip; the front bottom plate is a flat rectangular plate body having a width equal to the rear bottom plate The height of the bottom surface and the height of the bottom surface are the same as the height of the bottom surface of the rear bottom plate. A front convex plate is protruded vertically upward from the rear end edge of the front bottom plate, and the front convex plate is an elongated plate body extending in the left and right directions. a front lap is protruded rearwardly from a top edge of the front convex plate, and the front lap is an elongated plate extending in the left and right directions and is superposed on the rear lap. A plurality of front perforations are formed in the front lap strip corresponding to each of the rear perforations, and a bolt nut group is coupled between each of the rear perforations and each of the front perforations.

The hand tool hanger, wherein the track is provided with three rows, one of which is disposed in the middle of the rear bottom plate of the bottom plate structure, and the other two rows are respectively disposed on the front half side and the rear half side of the front bottom plate.

The specific benefits and enhancements that can be obtained by the three-dimensional transfer machine provided by the present invention include at least:

1. Positioning and rotating the sleeve at the same time: According to the invention, the sliding seat or the socket of the positioning block is circular, so that the sleeve can be rotated, and the socket is provided with a button which can be retracted and clamped on the inner wall surface of the sleeve. The part or the ring rib enables the sleeve to be stably fixed, and has the effect of simultaneously positioning and rotating the sleeve, and is convenient and practical.

2. Convenient finishing and convenient storage: Since the present invention is provided with two or more rows of rails arranged side by side in front and rear for the positioning block to be combined, the sleeve can be provided in a plurality of rows in an orderly manner, and provided by the same hand tool hanger. The two or more rows of sleeves are fixed, which is convenient for the user to use and has the advantages of being simple and convenient to store and convenient to store.

3. The elasticity of use is very good: the design can be screwed off, and the user can choose whether to install the front bottom plate, use a single row track or multiple rows of tracks to place different size positioning block groups according to the needs of the situation. It is very diverse in use and has flexibility in use.

The present invention provides a hand tool hanger, such as the first preferred embodiment of FIGS. 1 and 4, comprising: a track base 10 and a positioning block set 20.

As shown in FIG. 1 and FIG. 2, the track base 10 has an aluminum extruded configuration and is provided with a back plate 11 which is a rectangular plate body which is vertical and extends in the left and right directions, at the top of the back plate 11. Two hanging holes 111 are formed on the left and right sides. The two hanging holes 111 are long holes extending in the left and right directions, and a bottom plate structure 12 is horizontally extended toward the front of the bottom plate 11 . In the first preferred embodiment of the present invention, the bottom plate structure 12 is a rear bottom plate 121, wherein the rear bottom plate 121 is a flat rectangular plate body extending forward from the bottom of the back plate 11, and the width of the rear bottom plate 121 is The width of the backboard 11 is the same width.

A row of rails 13 projecting upward in the middle of the rear bottom plate 121, the row rails 13 extending in the left and right directions and extending in a width equal to the width of the bottom plate structure 12 in the left and right directions, and the front and rear rails 13 are front and rear. The width is greater than the front and rear widths of the front rails 13. A rectangular plane 131 extending in the left and right directions is formed on the top of the rail 13, and two hook pieces 132 are protruded upward on the front and rear end edges of the plane 131. The two hook pieces 132 are long inwardly curved. The strip-shaped sheet body forms a sliding groove 133 extending in the left-right direction between the flat surface 131 at the top of the rail 13 and the two hook pieces 132.

The positioning block group 20 is provided with a plurality of positioning blocks 21, and each positioning block 21 is provided with a sliding seat 211 at the bottom. Each sliding seat 211 is a circular plate body and is embedded in the track 13 in a left and right sliding manner. In the sliding slot 133, a hollow square-shaped socket 212 is protruded upward in the middle of the top of each sliding seat 211, and the sockets 212 of the positioning blocks 21 are used to set the sleeves 30, and the sockets 212 are provided on the side. The long through-opening groove 2121 and the elastic piece 2122 which is located between the corresponding two through grooves 2121 and which can be bent inwardly are provided with a convex button portion 2123 at a position intermediate the elastic pieces 2122.

Please refer to FIG. 3 again, whereby when the sleeve 30 is inserted into each of the sockets 212, the sleeve 30 can be dimensioned by rotating the sleeve 30 by the rotation of the sliding seat 211 in the sliding groove 133. One side turns to the front position for easy adjustment by the user. Moreover, when the sleeve 30 is put into the socket 212, the elastic piece 2122 is pressed by the inner wall surface of the sleeve 30 to be bent inward. Finally, when the sleeve 30 is fully nested, the elastic piece 2122 is slightly rebounded and the button portion 2123 is fitted into the recess of the inner wall surface of the sleeve 30. The invention has the effect of making the sleeve 30 stable and convenient for the user to rotate, and is very convenient and practical.

When the first preferred embodiment of the present invention is used, the track base 10 is placed on a plane, or the hanging hole 111 of the back plate 11 is hooked on the hanging portion, and then the positioning block 21 on each row of rails 13 is used. The socket 212 is provided for the sleeve 30 sets. Since the three rows of positioning blocks 21 are provided before and after the present invention, it is possible to provide a plurality of rows of the sleeves 30 in an orderly manner, and further, since the rear side is arranged in the row of the positioning blocks 21 The size of the socket 212 is larger than the size of the socket 212 of the front side positioning block 21, so that when the sleeve 30 is fixed, the larger sleeve 30 can be fixed in the rear row, and the same hand tool hanger can be provided with different sizes. The sleeve 30 of the type is fixed for the convenience of the user.

As shown in FIG. 5 and FIG. 7 , the second preferred embodiment of the present invention is substantially the same as the first preferred embodiment, wherein the sliding seat 211A of each positioning block 21A is a square plate body and is non-rotatably embedded in The sliding groove 133A, each of the sockets 212A is hollow cylindrical, whereby the sleeve 30A can be rotated on the socket 212A.

As shown in FIG. 5 and FIG. 6, each of the sockets 212A is provided on the side surface with two through-holes 2124A on the opposite sides and having a long through shape, and a ring-shaped rib 2125A having an annular radial shape. Further, when the sleeve 30A is put into the socket 212A, the ring rib 2125A is pressed by the inner wall surface of the sleeve 30A to be retracted. Finally, when the sleeve 30A is fully nested, the ring rib 2125A rebounds and is positioned against the recess in the inner wall surface of the sleeve 30A. The effect of the second preferred embodiment of the present invention is the same as that of the first preferred embodiment.

As shown in FIG. 8 and FIG. 9, in the third preferred embodiment of the present invention, the rear bottom plate 121B is substantially the same as the first preferred embodiment, wherein the bottom plate structure 12B is further provided with a front bottom plate 122B, wherein A rear convex plate 1211B is protruded vertically upward from the front end edge of the rear bottom plate 121B. The rear convex plate 1211B is an elongated plate body extending in the left and right directions. The top edge of the rear convex plate 1211B protrudes forward. The lap strip 1212B is an elongated strip body extending in the left and right directions. The rear lap strip 1212B is spaced apart from the left and right sides by a plurality of rear through holes 1213B. The front bottom plate 122B is placed flat. The rectangular plate body has the same width as the rear bottom plate 121B and the height of the bottom surface is the same as the height of the bottom surface of the rear bottom plate 121B. A front convex plate 1221B is protruded vertically upward from the rear end edge of the front bottom plate 122B. The front convex plate The 1221B is an elongated strip extending in the left and right directions. A front strap 1222B is protruded rearwardly from a top edge of the front flange 1221B. The front strap 1222B is a strip extending in the left and right directions. The plate body is overlapped with the rear lap strip 1212B, and the front lap bar 1222B is disposed at a position corresponding to each of the rear through holes 1213B. A perforated front 1223b, 1213B perforations after each binding a set of bolts, nuts 123B and 1223b between the perforated front, the rear floor structure plate 121B and 122B of the front binding plate 12B.

Two or more rows of rails 13B are protruded upward in front of and behind the top surface of the bottom plate structure 12B. As in the second preferred embodiment of the present invention, a row of rails 13B is protruded upward in the middle of the rear bottom plate 121B. Further, two rows of rails 13B are protruded upward on the front half and the rear half of the front bottom plate 122B. As shown in FIG. 10 to FIG. 12, a positioning block group 20B is disposed on each of the rails 13B. As the second preferred embodiment of the present invention is three sets of positioning block groups 20B, the sockets 212B of the positioning blocks 21B combined on the same track 13B are of the same size, and the size of the socket 212B of the positioning block 21B positioned at the rear side is larger than the position. The socket 212B of the positioning block 21B on the front side is sized. With the screw-down design, the user can use a single-row track or a plurality of rows of rails according to the situation, so as to place the positioning block groups 20B of different sizes, which are very diverse in use and have flexibility in use.

As shown in FIG. 13 to FIG. 15 , the fourth preferred embodiment of the present invention is substantially the same as the third preferred embodiment, and further includes a rear convex plate 1211C, a rear overlapping strip 1212C, a front convex plate 1221C, and a front convex plate 1211C. The front strap 1222C and a bolt and nut group 123C have the same function as the third preferred embodiment.

10. . . Track base

11. . . Backplane

111. . . Hanging hole

12. . . Floor structure

121. . . Backplane

1211. . . Back convex plate

1212. . . Rear strap

1213. . . Post perforation

122. . . Front floor

1221. . . Front convex plate

1222. . . Front lap

1223. . . Front perforation

123. . . Bolt nut group

13. . . track

131. . . flat

132. . . Hook

133. . . Sliding slot

20. . . Positioning block group

twenty one. . . Positioning block

211. . . Sliding seat

212. . . socket

2121. . . Ditching

2122. . . shrapnel

2123. . . Button button

30. . . Sleeve

133A. . . Sliding slot

21A. . . Positioning block

211A. . . Sliding seat

212A. . . socket

2124A. . . Ditching

2125A. . . Ring rib

30A. . . Sleeve

12B. . . Floor structure

121B. . . Backplane

1211B. . . Back convex plate

1212B. . . Rear strap

1213B. . . Post perforation

122B. . . Front floor

1221B. . . Front convex plate

1222B. . . Front lap

1223B. . . Front perforation

123B. . . Bolt nut group

13B. . . track

20B. . . Positioning block group

21B. . . Positioning block

212B. . . socket

1211C. . . Back convex plate

1212C. . . Rear strap

1221C. . . Front convex plate

1222C. . . Front lap

123C. . . Bolt nut group

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view showing a first preferred embodiment of the present invention.

Figure 2 is a partially exploded view of the first preferred embodiment of the present invention.

Figure 3 is a schematic view showing the rotation of the positioning block in the first preferred embodiment of the present invention.

Figure 4 is a perspective external view of a portion of the first preferred embodiment of the present invention.

Figure 5 is a cross-sectional view showing a second preferred embodiment of the present invention.

Figure 6 is a partially exploded view of a second preferred embodiment of the present invention.

Figure 7 is a partial perspective view of a second preferred embodiment of the present invention.

Figure 8 is a cross-sectional view showing a third preferred embodiment of the present invention.

Figure 9 is an exploded perspective view of a rail base in accordance with a third preferred embodiment of the present invention.

Figure 10 is a partially exploded view of a third preferred embodiment of the present invention.

Figure 11 is a partial perspective view of a third preferred embodiment of the present invention.

Figure 12 is a perspective view of a third preferred embodiment of the present invention.

Figure 13 is a cross-sectional view showing a fourth preferred embodiment of the present invention.

Figure 14 is a partially exploded view of a fourth preferred embodiment of the present invention.

Figure 15 is a partial perspective view of a fourth preferred embodiment of the present invention.

11. . . Backplane

12. . . Floor structure

121. . . Backplane

13. . . track

132. . . Hook

133. . . Sliding slot

211. . . Sliding seat

212. . . socket

2122. . . shrapnel

2123. . . Button button

30. . . Sleeve

Claims (8)

A hand tool hanger includes: a track base, which is extruded from aluminum and is provided with a back plate, which is a vertical and extending plate body extending in the left and right directions, and two hanging on both sides of the back plate a hole extending horizontally forwardly at a bottom portion of the back plate, and a bottom plate structure is formed on the bottom plate structure, and the track is extended in a left and right direction, and the top of the track forms a left and right direction. a plane extending and rectangular, and two hook pieces are protruded upward on the front and rear end edges of the plane, the two hook pieces are long strips whose top end is curved inward, the plane at the top of the track and the two hooks Forming a sliding groove extending in the left and right directions; and a positioning block group coupled to the track and provided with a plurality of positioning blocks, each positioning block is provided with a sliding seat at the bottom, and the sliding seat of each positioning block is round The plate body is embedded in the sliding groove of the track in a left and right sliding manner and rotatably, and a hollow square column socket is protruded upward in the middle of the top of each sliding seat, and each socket is provided on the side of the socket. a long through-opening groove and one between the corresponding two-passing grooves Shrapnel can be bent inwardly at an intermediate position of each elastic piece is provided with a convex shape fitted knob shaped portion. The hand tool hanger according to claim 1, wherein the track base is provided with two or more rows of tracks, and two or more sets of positioning blocks having the same number as the track, in front of the last side track, The width of the rear direction is greater than the width of the front and rear directions of the other front rails, and the sockets of the positioning blocks combined with the same track are the same size, and the socket size of the positioning block positioned at the rear side is larger than the socket of the positioning block positioned at the front side. size. The hand tool hanger of claim 2, wherein the bottom plate structure comprises a rear bottom plate and a front bottom plate, wherein the rear bottom plate is a flat rectangular plate body extending forward from a bottom of the back plate. A rear convex plate is protruded vertically upward from the front end edge of the rear bottom plate, and the rear convex plate is an elongated plate body extending in the left and right directions, and a rearward protruding edge of the rear convex plate is protruded forward a strip, the rear strip is an elongated strip extending in the left and right directions, and a plurality of rear perforations are formed at intervals between the left and right sides of the rear strip; the front bottom plate is a flat rectangular plate body. The width of the bottom plate is the same as the height of the bottom plate, and the height of the bottom surface is the same as the height of the bottom surface of the rear plate. A front convex plate is vertically protruded from the rear end edge of the front bottom plate, and the front convex plate is in the left and right directions. An extended strip-shaped plate body is protruded rearwardly from a top edge of the front convex plate, the front overlapping strip being an elongated strip extending in the left and right directions and overlapping with the rear The strips are stacked up and down, and a plurality of front perforations are formed at positions of the front laps corresponding to the respective rear perforations, and between each of the rear perforations and each of the front perforations Combine a bolt and nut set. The hand tool hanger of claim 3, wherein the track is provided with three rows, one of which is disposed in the middle of the rear floor of the floor structure, and the other two rows are respectively disposed on the front half of the front floor. With the back half. A hand tool hanger includes: a track base, which is extruded from aluminum and is provided with a back plate, which is a vertical and extending plate body extending in the left and right directions, and two hanging on both sides of the back plate a hole extending horizontally forwardly at a bottom portion of the back plate, and a bottom plate structure is formed on the bottom plate structure, and the track is extended in a left and right direction, and the top of the track forms a left and right direction. a plane extending and rectangular, and two hook pieces are protruded upward on the front and rear end edges of the plane, the two hook pieces are long strips whose top end is curved inward, the plane at the top of the track and the two hooks Forming a sliding groove extending in the left and right directions; and a positioning block group coupled to the track and provided with a plurality of positioning blocks, each positioning block is provided with a sliding seat at the bottom, and the sliding seat of each positioning block is square The plate body is embedded in the sliding groove of the rail in a left and right sliding manner, and a hollow cylindrical socket is protruded upward in the middle of the top of each sliding seat, and each socket is provided with two long strips on the side. Groove and a ring that is radially convex and retractable . The hand tool hanger according to claim 5, wherein the track base is provided with two or more rows of tracks, and two or more sets of positioning blocks having the same number as the track, before the last side track, The width of the rear direction is greater than the width of the front and rear directions of the other front rails, and the sockets of the positioning blocks combined with the same track are the same size, and the socket size of the positioning block positioned at the rear side is larger than the socket of the positioning block positioned at the front side. size. The hand tool hanger of claim 6, wherein the bottom plate structure comprises a rear bottom plate and a front bottom plate, wherein the rear bottom plate is a flat rectangular plate body extending forward from a bottom of the back plate. A rear convex plate is protruded vertically upward from the front end edge of the rear bottom plate, and the rear convex plate is an elongated plate body extending in the left and right directions, and a rearward protruding edge of the rear convex plate is protruded forward a strip, the rear strip is an elongated strip extending in the left and right directions, and a plurality of rear perforations are formed at intervals between the left and right sides of the rear strip; the front bottom plate is a flat rectangular plate body. The width of the bottom plate is the same as the height of the bottom plate, and the height of the bottom surface is the same as the height of the bottom surface of the rear plate. A front convex plate is vertically protruded from the rear end edge of the front bottom plate, and the front convex plate is in the left and right directions. An extended strip-shaped plate body is protruded rearwardly from a top edge of the front convex plate, the front overlapping strip being an elongated strip extending in the left and right directions and overlapping with the rear The strips are stacked up and down, and a plurality of front perforations are formed at positions of the front laps corresponding to the respective rear perforations, and between each of the rear perforations and each of the front perforations Combine a bolt and nut set. The hand tool hanger of claim 7, wherein the track is provided with three rows, one of which is disposed in the middle of the rear floor of the floor structure, and the other two rows are respectively disposed on the front half of the front floor. With the back half.