JP2022151651A - Tool box - Google Patents

Abstract

To provide a tool box that maintains structural strength and light weight with excellent balance by joining a metallic frame body to a plastic rib.SOLUTION: The present invention relates to a tool box including a base, a cover and at least one lock unit. The base includes a first rib and a first frame body, the first frame body wrapping the first rib. The cover includes a second rib and a second frame body, the second frame body wrapping the second rib. The at least one lock unit includes one first engagement part, one second engagement part, a plurality of first positioning members, and a plurality of second positioning members. The first engagement part is positioned on the first frame body by the plurality of first positioning members, and the second engagement part is positioned on the second frame body by the plurality of second positioning members. Each of the first positioning members penetrates through opposing sides of the first frame body, and each of the respective second positioning members penetrates through opposing sides of the second frame body.SELECTED DRAWING: Figure 6

Description

The present invention relates to toolboxes.

When fixing an article, it is common to drive the locking member or connecting member with a drive tool (eg, wrench, socket, driver bit, etc.) to attach or detach the article. However, such drive tools come in many sizes and types, and are often sorted and stored using a tool box because they are easy to store and carry. A known toolbox includes a plurality of plastic plate members. The plurality of plastic plate members are assembled two by two with screw members, which is advantageous in that they can be assembled easily and quickly.

However, due to the low structural strength of plastic materials, when connecting parts such as locks and hinges to the box body, the structure of the box body becomes fragile and breaks. Bending deformation is likely to occur where the connecting parts are engaged in , and in serious cases, breakage occurs, resulting in a shortened service life.

Therefore, there is a need to provide a new and inventive toolbox to solve the above mentioned problems.

According to the present invention, the metal frame is joined to the plastic ribs, thereby achieving a good balance between structural strength and weight reduction by joining dissimilar materials. Therefore, the primary objective is to provide a toolbox that distributes the forces acting primarily on the rigid metal frame and maintains the integrity of the plastic rib structure.

To achieve the above objectives, the present invention provides a toolbox including a base, a cover, at least one locking unit and a plurality of hinges. The base includes a main frame, a placement box, at least one storage box, a first rib, and a first frame, and has an internal space, a first opening, and a second opening communicating with the main frame. a frame, wherein the loading box is provided on the main frame and shields the first opening; at least one of the loading box and the main frame is provided with an annular surface; Extending along the opening direction of the first opening and protruding from the annular surface, the first frame includes two first side walls and one first end wall, the two first side walls being the first end wall. horizontally connected to opposite sides of the end wall to define a first parcel space, said first rib being inserted into said first parcel space, and said at least one storage box being inserted into said second opening; The first frame is made of metal and the first rib is made of plastic. The cover is pivotally mounted on the base and includes a second rib and a second frame, the second frame includes two second side walls and a second end wall, and the two A first side wall is horizontally connected to opposite sides of said first end wall to together define a second enveloping space, said second rib is inserted into said second enveloping space, and said second frame body is a metal material, and the second rib is a plastic material. The at least one lock unit includes a first engaging portion, a second engaging portion, a plurality of first positioning members, and a plurality of second positioning members, wherein the first engaging portion includes the plurality of Positioned to the first frame by a first positioning member, the second engaging portion is positioned to the second frame by the plurality of second positioning members, the first engaging portion and the second engaging portion The parts are interconnected when operated from the outside to prevent the cover from opening with respect to the base. Each said hinge includes a pivot member, a plurality of third positioning members and a plurality of fourth positioning members, each said third positioning member having one third connecting shaft and two third positioning members. wherein said third connecting shaft passes through one end of said pivot member, said first rib and said two first sidewalls, said two third stops passing through said third connecting shaft and two said third stops respectively interfere with said pivot member and one said first side wall in the extending direction of said third connecting axis, and each said fourth positioning The member includes a fourth connecting shaft and two fourth stops, the fourth connecting shaft passing through the other end of the pivot member, the second rib and the two second side walls. , the two fourth stops are connected to the opposite ends of the fourth connection shaft, and the two fourth stops are respectively connected to the pivot member and the pivot member in the extension direction of the fourth connection shaft. two said second sidewalls. Each of the first positioning members includes a first connecting shaft and two first stop portions, the first connecting shaft passing through the first engaging portion, the first rib and the two first side walls. The two first stop portions are connected to opposite ends of the first connection shaft, and the two first stop portions are respectively the first engagement portion and one It interferes with the first side wall. Each of the second positioning members includes a second connecting shaft and two second stop portions, the second connecting shaft passing through the second engaging portion, the second rib and the two second side walls. The two second stop portions are connected to opposite ends of the second connection shaft, and the two second stop portions are respectively the second engagement portion and one It interferes with the second side wall.

1 is a perspective view of one embodiment of the present invention; FIG. FIG. 4 is a schematic diagram of the cover of one embodiment of the present invention when opened with respect to the base; 2 is an exploded view of FIG. 1; FIG. 1 is a mainframe of one embodiment of the present invention; It is a schematic diagram of the convex part and concave part of one Example of this invention. FIG. 4 is a partial cross-sectional view of a lock unit according to one embodiment of the present invention; 1 is a partial cross-sectional view of a hinge according to one embodiment of the invention; FIG. It is a perspective view of a lock unit of one example of the present invention. Figure 9 is a view from another viewing angle of Figure 8; FIG. 2 is a cross-sectional view of the AA end face of FIG. 1; FIG. 11 is a partially enlarged view of FIG. 10; FIG. 2 is a cross-sectional view of the BB end face of FIG. 1; FIG. 13 is a partially enlarged view of FIG. 12;

The following examples illustrate possible embodiments of the invention and are not intended to limit the patentable scope of the invention.

1-12 show one embodiment of the present invention. The toolbox of the invention comprises a base 1, a cover 2 and at least one locking unit 4. As shown in FIG.

The base 1 includes a main frame 11 , a mounting box 15 , at least one storage box 16 , first ribs 17 and a first frame 18 . An internal space 111 , a first opening 112 and a second opening 113 communicating with each other are defined by the main frame 11 , and the loading box 15 is provided on the main frame 11 to shield the first opening 112 .
At least one of the loading box 15 and the main frame 11 is provided with an annular surface 19 , and the first rib 17 extends along the opening direction of the first opening 112 to protrude from the annular surface 19 . do. The first frame body 18 includes two first side walls 181 and a first end wall 182, the two first side walls 181 are horizontally connected to opposite sides of the first end wall 182, Both define a first envelope space 183 . The first rib 17 is inserted into the first wrapping space 183 , and the at least one storage box 16 is inserted into the main frame 11 along the second opening 113 to enter the interior space 111 . Here, the first frame 18 is made of metal, and the first ribs 17 are made of plastic.

The cover 2 is pivotally attached to the base 1 and includes a second rib 21 and a second frame 22 . The second frame body 22 includes two second side walls 221 and a second end wall 222, the two second side walls 221 are horizontally connected to opposite sides of the second end wall 222, Both define a second enveloping space 223 into which the second rib 21 is inserted.

A protrusion 184 is provided on one of the first end wall 182 and the second end wall 222, and a groove 224 is provided on the other. are consistent with each other. The protrusion 184 extends to gradually contract, and when the cover 2 and the base 1 are combined with each other, the structure guides the protrusion 184 into the groove 224 so as to gradually contract. It fits in and contributes to securely connecting the cover 2 to the base 1 .

The at least one locking unit 4 includes a first engaging portion 41 , a second engaging portion 42 , a plurality of first positioning members 43 and a plurality of second positioning members 44 . The first engaging portion 41 is positioned on the first frame 18 by the plurality of first positioning members 43 , and the second engaging portion 42 is positioned on the second frame 22 by the plurality of second positioning members 44 . , and the first engaging portion 41 and the second engaging portion 42 are interconnected when operated from the outside to prevent the cover 2 from opening with respect to the base 1 . Here, the first frame 18 and the second frame 22 made of metal can effectively provide a supporting force to the at least one lock unit 4, and maintain the structure after long-term use. deformation can be avoided by In this embodiment, it is manufactured using aluminum, which has advantages such as strength, light weight, and appearance.

Each of the first positioning members 43 includes a first connecting shaft 431 and two first stop portions 432, the first connecting shafts 431 connecting the first engaging portion 41, the first rib 17 and the two through the two first sidewalls 181 . The two first stop portions 432 are connected to opposite ends of the first connection shaft 431 , and the two first stop portions 432 are respectively connected to the first engagement portion 41 in the extending direction of the first connection shaft 431 . and one of the first sidewalls 181 interfere with each other. In other words, the first connecting shaft 431 completely penetrates the two first side walls 181 , and both of the two first stoppers 432 abut and press against the stronger first frame 18 . Thereby, the structural integrity of the first rib 17 is further ensured.
Similarly, each second positioning member 44 includes a second connecting shaft 441 and two second stop portions 442, the second connecting shaft 441 connecting the second engaging portion 42, the second rib 21 and through the two second side walls 221, the two second stop portions 442 are connected to opposite ends of the second connection shaft 441, and the two second stop portions 442 are respectively connected to the second connection shaft The second engaging portion 42 and one of the second side walls 221 interfere with each other in the extending direction of 441 .

Preferably, the toolbox further comprises a plurality of support units 9 so that when the cover 2 is opened relative to the base 1 it is held in a certain position and not unintentionally opened or closed. Each support unit 9 includes a first support member 91 and a second support member 92, one end of the first support member 91 is connected to the first frame 18, and one end of the second support member 92 is connected to the first frame 18. Connected to the second frame 22, the other end of the first support member 91 and the other end of the second support member 92 are pivotably connected to each other.

Also preferably, the cover 2 is provided with a handle 23 for easy carrying after the cover 2 is coupled to the base 1 .

Furthermore, the first engaging portion 41 includes a first base 411 , a buckle 412 and a pulling member 415 , and the second engaging portion 42 includes a second base 421 and an insertion hole 422 . The first substrate 411 is connected to the base 1 by the plurality of first positioning members 43, the second substrate 421 is connected to the cover 2 by the plurality of second positioning members 44, and the pulling member 415 is connected to the Pivoted on the first base 411 , the buckle 412 is connected to the pulling member 415 to form an interlocking relationship and can be engaged with the second base 421 . The fitting hole 422 is recessed in the second base body 421, and the buckle 412 includes an annular body 413 and a fitting portion 414 connected to each other, and when the annular body 413 is attached to the second base body 421, Secondly, the fitting portion 414 is fitted into the fitting hole 422 .
In this embodiment, the fitting portion 414 is integrally connected to the annular body 413 . For example, the fitting portion 414 may be stamped into a plate shape and extended in a fan shape, thereby increasing the contact area while ensuring the degree of structural connection.

Further, a first recessed portion 416 is provided on the side of the first engaging portion 41 facing the base 1, and the first side wall 181 near the first engaging portion 41 is provided with the first recessed portion 416. protrude to As a result, the first engaging portion 41 is brought into close contact with the base 1, improving assembly quality. Similarly, a second recessed portion 423 is provided on the side of the second engaging portion 42 facing the cover 2, and the second side wall 221 near the second engaging portion 42 is located at the second recessed portion. 423.

The toolbox further comprises a plurality of hinges 5, each hinge 5 comprising a pivot member 51, a plurality of third positioning members 52 and a plurality of fourth positioning members 53. Each third positioning member 52 includes a third connecting shaft 521 and two third stops 522, the third connecting shaft 521 being one end of the pivot member 51, the first rib 17 and the two first sidewalls 181 . The two third stop portions 522 are connected to opposite ends of the third connection shaft 521, and the two third stop portions 522 are respectively pivoted in the extending direction of the third connection shaft 521. The attachment member 51 and the one first side wall 181 interfere with each other.
Each of the fourth positioning members 53 includes a fourth connecting shaft 531 and two fourth stops 532, the fourth connecting shaft 531 connecting the other end of the pivot member 51, the second It penetrates the rib 21 and the two second side walls 221 . The two fourth stops 532 are connected to the opposite ends of the fourth connection shaft 531, and the two fourth stops 532 are pivoted in the extension direction of the fourth connection shaft 531 respectively. The member 51 and one of the second side walls 221 interfere with each other.

The main frame 11 includes a plurality of first walls 12 and a plurality of second walls 13 . One of the plurality of first wall portions 12 and the plurality of second wall portions 13 is provided with a plurality of protrusions 61 , and the other is provided with a plurality of recesses 65 . The adjacent first wall portion 12 and the second wall portion 13 are fitted to each other with the plurality of protrusions 61 and the plurality of recesses 65, and one first wall portion 12 has the second opening. 113 is provided through.
Moreover, the main frame 11 further includes one third wall portion 14 . The two first side walls 181 are inserted and connected to two opposing peripheral sides of the third wall portion 14 , and the two second side walls 221 are connected to the other two opposing peripheral sides of the third wall portion 14 . is inserted and connected to The combined structure is advantageous for the production of each component, increases the production speed, and allows the plurality of first wall portions 12 and the plurality of second wall portions 13 to be stacked and stored before assembly. This reduces the occupied space and is advantageous for storage and transportation.

Each convex portion 61 includes a constricted portion 62 and an enlarged end portion 63 connected to the constricted portion 62, and each recessed portion 65 includes a constricted opening 66 and an inner groove communicating with the constricted opening 66. 67. Each enlarged end 63 spreads through the throttle 66 and engages the inner groove 67 , each throttle 66 limiting the throttle 62 .
More specifically, a side flange 64 is protrudingly provided on at least one side of the opposite sides of each enlarged end portion 63, while each throttle opening 66 includes a narrow portion 661 and the narrow portion. wide portion 662 connected to opposite sides of 661; Each enlarged end portion 63 spreads through the throttle opening 66 and is engaged with the inner groove 67, each narrow portion 661 limits one of the throttle portions 62, and the narrow portion 661 and the narrow portion 661 Cooperating with the side flange 64 provides an effect of effectively engaging with the drawn portion 62 .

In this embodiment, the number of the plurality of first wall portions 12 and the number of the plurality of first wall portions 12 are two, and the two first wall portions 12 each have a fitting groove 121. The top surfaces of the two second wall portions 13 and the groove bottoms of the fitting grooves 121 are flush with each other, and the two first wall portions 12 are fitted to the opposite sides of the mounting box 15. It is accommodated in the groove 121 . Other opposite sides of the mounting box 15 are crimped to the top surfaces of the two second walls 13, and both the top surface of the mounting box 15 and the top surfaces of the two first walls 12 to form the annular surface 19 . That is, the first rib 17 extends to the top surface of the mounting box 15 and to the top surfaces of the two first wall portions 12, and is contained by the first frame 18, so that the mounting box 15 and the The stability of the connection with the two first wall portions 12 is further improved.

Further, a peripheral wall 31 is defined by the inner surfaces of the plurality of first wall portions 12 and the inner surfaces of the plurality of second wall portions 13, and at least one engaging groove 32 is provided on each of opposite sides of the peripheral wall 31. . The opposite sides of the at least one storage box 16 are respectively inserted into the at least one engagement groove 32 to form a drawer-like insertion manner. Further, a locking projection 33 is provided on the tank wall of the at least one engaging groove 32 , and two opposite sides of the at least one storage box 16 are engaged with the locking projections 33 respectively. A stop recess 161 is provided, which increases the limiting effect.

In addition, the main frame 11 further includes a plurality of fastening units 7 , each fastening unit 7 including a bolt 71 and a nut 72 . One of the adjacent first wall portion 12 and the second wall portion 13 includes a plurality of drilled holes 81 , and the other includes a plurality of receiving holes 82 corresponding to the plurality of drilled holes 81 . Each receiving hole 82 receives the nut 72 , and each bolt 71 passes through the drilled hole 81 and is inserted into the receiving hole 82 and screwed onto the nut 72 . The bolts 71 and nuts 72 of each fastening unit 7 clamp the adjacent first wall portion 12 and second wall portion 13 respectively to fix and couple them. As a result, the assembled main frame 11 has extremely high composite strength, can receive a large external force and impact, and is less likely to loosen, separate, or break at joints.

In this embodiment, each accommodation hole 82 includes an accommodation portion 821 that accommodates the nut 72 and an extension portion 822 that communicates with the accommodation portion 821 and is narrower than the accommodation portion 821. Each bolt 71 is It extends through the nut 72 and into the extension 822 . Preferably, each nut 72 is confined against the hole wall of the receiving hole 82, and the distal end of each bolt 71 axially abuts the hole wall of the receiving hole 82, whereby the bolt 71 is further avoided.

Reference Signs List 1 base 11 main frame 111 internal space 112 first opening 113 second opening 12 first wall 121 fitting groove 13 second wall 14 third wall 15 mounting box 16 storage box 161 locking recess 17 first rib 18 First frame 181 First side wall 182 First end wall 183 First enveloping space 184 Protrusion 19 Annular surface 2 Cover 21 Second rib 22 Second frame 221 Second side wall 222 Second end wall 223 Second enclosing space 224 concave groove 23 handle 31 peripheral wall 32 engaging groove 33 locking projection 4 lock unit 41 first engaging portion 411 first base 412 buckle 413 annular body 414 fitting portion 415 pulling member 416 first recessed portion 42 second engagement Part 421 Second base 422 Insertion hole 423 Second recess 43 First positioning member 431 First connection shaft 432 First stop 44 Second positioning member 441 Second connection shaft 442 Second stop 5 Hinge 51 Pivot member 52 Third positioning member 521 Third connection shaft 522 Third stopper 53 Fourth positioning member 531 Fourth connection shaft 532 Fourth stopper 61 Projection 62 Constriction 63 Enlarged end 64 Side flange 65 Recess 66 throttle port 661 narrow width portion 662 wide width portion 67 inner groove 7 fastening unit 71 bolt 72 nut 81 boring hole 82 accommodation hole 821 accommodation portion 822 extension portion 9 support unit 91 first support member 92 second support member

Claims (9)

a toolbox,
The main frame defines a communicating inner space, a first opening and a second opening, including a main frame, a placement box, at least one storage box, a first rib, and a first frame. , the loading box is provided on the main frame and shields the first opening, at least one of the loading box and the main frame is provided with an annular surface, and the first rib is provided on the first opening. Extending along the opening direction and protruding from the annular surface, the first frame includes two first side walls and a first end wall, the two first side walls facing the first end wall. a first package space is defined by both of them, the first rib is inserted into the first package space, and the at least one storage box extends along the second opening to the interior a base inserted into the main frame so as to enter the space, wherein the first frame is made of metal and the first rib is made of plastic;
Pivotably mounted on the base, comprising a second rib and a second frame, the second frame comprising two second side walls and a second end wall, the two first side walls being The second end wall is horizontally connected to opposite sides of the first end wall to define a second envelope space, the second rib is inserted into the second envelope space, and the second frame is made of metal. a cover in which the second rib is made of plastic;
A first engaging portion, a second engaging portion, a plurality of first positioning members, and a plurality of second positioning members, wherein the first engaging portion is engaged with the first position by the plurality of first positioning members. Positioned on the frame, the second engaging portion is positioned on the second frame by the plurality of second positioning members, and the first engaging portion and the second engaging portion are operated from the outside. at least one locking unit interconnected with and preventing opening of the cover relative to the base;
each comprising a pivot member, a plurality of third positioning members and a plurality of fourth positioning members, each said third positioning member having a third connecting shaft and two third stops; wherein the third connecting shaft passes through one end of the pivot member, the first rib and the two first side walls, and the two third stops are opposite ends of the third connecting shaft. , each of the two third stops interferes with the pivot member and one of the first sidewalls in the extending direction of the third connection axis, and each of the fourth positioning members is connected to one four fourth connecting shafts and two fourth stops, said fourth connecting shaft passing through the other end of said pivot member, said second rib and said two second side walls; A fourth stop is connected to opposite ends of the fourth connection shaft, and two of the fourth stops are respectively connected to the pivot member and one of the second stops in the extension direction of the fourth connection shaft. a plurality of hinges interfering with the sidewalls;
each of the first positioning members includes one first connecting shaft and two first stops;
the first connecting shaft passes through the first engaging portion, the first rib and the two first side walls;
The two first stop portions are connected to opposite ends of the first connection shaft,
each of the two first stopping portions interferes with the first engaging portion and one of the first sidewalls in the extending direction of the first connecting shaft;
each second positioning member includes one second connecting shaft and two second stops;
the second connecting shaft passes through the second engaging portion, the second rib and the two second side walls;
The two second stop portions are connected to opposite ends of the second connection shaft,
Each of the two second stop portions interferes with the second engagement portion and one of the second sidewalls in the extending direction of the second connection shaft,
toolbox. The first engaging portion includes a first base, a buckle, and a pulling member, the second engaging portion includes a second base and an insertion hole, and the first base includes the plurality of first bases. The second base is connected to the cover by a plurality of second positioning members, the pull member is pivotally mounted on the first base, and the buckle is connected to the pull member. the second base body, the insertion hole being recessed in the second base body, the buckle including an annular body and an insertion portion connected to each other, the annular 2. The toolbox according to claim 1, wherein said fitting portion is fitted into said fitting hole when said body is mounted on said second base body. The main frame further includes a plurality of first walls and a plurality of second walls, wherein one of the plurality of first walls and the plurality of second walls is provided with a plurality of projections, and the other is provided with a plurality of protrusions. is provided with a plurality of concave portions, the adjacent first wall portion and the second wall portion are fitted to each other with the plurality of convex portions and the plurality of concave portions, and one of the first wall portions includes the first wall portion. A toolbox according to claim 1, having two openings therethrough. Each of the convex portions includes a constricted portion and an enlarged end portion connected to the constricted portion, each of the recessed portions includes a constricted opening and an inner groove communicating with the constricted opening, and 4. A toolbox according to claim 3, wherein ends are engaged in said internal grooves by flaring through said constrictions, each said constriction limiting one said constriction. 5. The toolbox according to claim 4, wherein a side flange is provided protrudingly on at least one side of opposite sides of each said enlarged end. The main frame further includes a plurality of fastening units, each fastening unit including a bolt and a nut, one of the adjacent first wall portion and the second wall portion including a plurality of drill holes, and the other of the adjacent first wall portion and the second wall portion including a plurality of drill holes. A plurality of accommodation holes corresponding to the plurality of drilled holes are included, each of the accommodation holes accommodates the nut, and each of the bolts is inserted through the drilled hole and inserted into the accommodation hole to engage the nut. 4. A toolbox according to claim 3, wherein the bolts and nuts of each said fastening unit are screwed together to clamp and connect adjacent said first and second walls respectively. A first depression is provided on the side of the first engaging portion facing the base, and the first side wall near the first engaging portion protrudes into the first depression to provide the second engagement. 2. A toolbox according to claim 1, wherein a second recess is recessed in the side of the part facing the cover, and the second side wall proximate to the second engagement part protrudes into the second recess. One of the first end wall and the second end wall is provided with a projection, and the other is provided with a groove, the shape of the projection and the shape of the groove are aligned with each other, and the 8. The protrusion according to any one of claims 1 to 7, wherein the protrusion extends to gradually contract, and the protrusion is fitted into the recess when the cover and the base are coupled to each other. toolbox. The first engaging portion includes a first base, a buckle, and a pulling member, the second engaging portion includes a second base and an insertion hole, and the first base includes the plurality of first positioning members. the second base is connected to the cover by the plurality of second positioning members; the pull member is pivotally mounted on the first base; and the buckle is connected to and interlocked with the pull member. forming a relationship and being engageable with the second base body, the insertion hole being recessed in the second base body, the buckle comprising an annular body and an insertion portion connected to each other, the annular body being the The fitting portion is fitted into the fitting hole when the main frame is mounted on the second base body, and the main frame further includes a plurality of fastening units, each fastening unit including a bolt and a nut, adjacent to the first main frame. One of the wall portion and the second wall portion includes a plurality of drilled holes, and the other includes a plurality of accommodation holes corresponding to the plurality of drilled holes, each of the accommodation holes accommodates the nut. The bolt is inserted through the drilled hole, inserted into the receiving hole, and screwed into the nut, and the bolt and nut of each of the fastening units engage the adjacent first wall and second wall, respectively. The side of the first engaging portion facing the base is recessed with a first recess, and the first side wall near the first engaging portion is the first recess. a second recess is provided on the side of the second engaging portion facing the cover; the second side wall near the second engaging portion protrudes into the second recess; One of the first end wall and the second end wall is provided with a protrusion, and the other is provided with a recessed groove, the shape of the protrusion and the shape of the recessed groove are aligned with each other, and the protrusion is formed. extends to gradually contract, and when the cover and the base are combined with each other, the projections are fitted into the grooves, the inner surfaces of the plurality of first walls and the plurality of second walls. A peripheral wall is defined by the inner surface of the portion, and at least one engaging groove is provided on opposite sides of the peripheral wall, and opposite sides of the at least one storage box are respectively inserted into the at least one engaging groove. A locking projection is provided on the tank wall of the at least one engaging groove, and locking recesses that can be locked with the locking projection are provided on opposite sides of the at least one storage box. and the end of each bolt abuts the hole wall of the receiving hole in the axial direction, and each of the throttle openings includes a narrow portion and a wide portion connected to opposite sides of the narrow portion. , each said voluminous The end portions are widened to pass through the throttle opening and are engaged with the inner groove, each narrow portion limits one of the throttle portions, the main frame further includes a third wall portion, and two The first side wall is inserted and connected to two opposing peripheral sides of the third wall, and the two second side walls are inserted and connected to two other opposing peripheral sides of the third wall, Each nut is restricted by contact with the hole wall of the accommodation hole, each accommodation hole includes an accommodation portion accommodating the nut and an extension portion communicating with the accommodation portion and narrower than the accommodation portion, and each bolt penetrates the nut and extends into the extension portion, the cover is provided with a handle, the insertion portion is integrally connected to the annular body, and the insertion portion is formed into a plate shape by stamping and extends in a fan shape. wherein the number of the plurality of first wall portions and the number of the plurality of first wall portions are each two; the two first wall portions are respectively provided with fitting grooves; The top surface of the second wall portion and the groove bottom of the fitting groove are flush with each other, and opposite sides of the mounting box are accommodated in the fitting grooves of the two first wall portions to allow the mounting Other opposite sides of the box are crimped to the top surfaces of the two second walls, and the top surface of the mounting box and the top surfaces of the two first walls form the annular surface, The tool box further includes a plurality of support units, each support unit including a first support member and a second support member, one end of the first support member is connected to the first frame, and the second support 5. The toolbox of claim 4, wherein one end of a member is connected to said second frame, and the other end of said first support member and the other end of said second support member are pivotally connected to each other.

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