Folding cart for fire rescue

Abstract

The utility model discloses a folding cart for fire rescue, and relates to the technical field of carts. The folding cart for fire rescue comprises a stabilizing frame, hollow pipes are fixedly arranged on the two sides of the stabilizing frame, positioning rods are arranged on the other two sides of the stabilizing frame, universal wheels are arranged at the joints of the hollow pipes and the positioning rods, folding assemblies are arranged on the two sides of the upper portion of the stabilizing frame, and the folding assemblies are arranged on the two sides of the upper portion of the stabilizing frame. The bottoms of the two sides of the folding assembly are connected with the hollow pipes on the two sides correspondingly, locking rods used for limiting the folding assembly are arranged on the two sides of an inner cavity of the stabilizing frame correspondingly, reinforcing rods are arranged on the two sides of the two hollow pipes and located on the opposite faces, and the reinforcing rods are connected with the folding assembly and the stabilizing frame. According to the trolley, a large number of fire-fighting equipment can be borne at a time, the occupied area of the trolley can be reduced, the trolley can be conveniently carried by firefighters, and the use convenience of the trolley is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cart technical field, concretely is a folding cart for fire rescue. BACKGROUND

[0002] Fire prevention, that is, eliminating hidden dangers and preventing disasters. In the early stage of people's understanding, the narrow meaning is: the meaning of fire disaster, mainly including personnel rescue at the fire scene, rescue of important facilities, equipment and cultural relics, safety protection and rescue of important property, and extinguishing fire, aiming at reducing the damage caused by fire disaster and reducing personnel casualties and property losses. The cart for fire rescue is used to carry a large amount of fire equipment. In some places where the fire truck cannot enter, the fire cart is needed to transport the equipment to the fire scene.

[0003] However, the existing cart for fire rescue has the problem that the volume of the cart for fire rescue is large due to the need to carry a large amount of fire equipment, which occupies a large space after the cart for fire rescue is loaded on the fire truck, and thus reduces the amount of fire equipment carried by the fire truck. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a folding cart for fire rescue, which solves the problem that the volume of the cart for fire rescue is large due to the need to carry a large amount of fire equipment, which occupies a large space after the cart for fire rescue is loaded on the fire truck, and thus reduces the amount of fire equipment carried by the fire truck.

[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme: a folding cart for fire rescue, comprising a stable frame, two sides of the stable frame are fixedly provided with hollow pipes, the other two sides of the stable frame are provided with positioning rods, the connection between each hollow pipe and each positioning rod is provided with a universal wheel, the upper two sides of the stable frame are provided with folding assemblies, the bottoms of the two sides of the folding assembly are connected with the two sides of the hollow pipes respectively, the inner cavities of the stable frame are provided with lock rods for limiting the folding assemblies, the two sides of the two hollow pipes and the opposite sides are provided with reinforcing rods, the reinforcing rods are connected with the folding assemblies and the stable frame;

[0006] The side wall of each reinforcing rod is provided with a spring bolt, the two sides of the two hollow pipes are provided with through holes for guiding the spring bolts, the outer sides of the two positioning rods are provided with expansion assemblies, the two ends of the expansion assemblies are inserted into the inner cavities of the two hollow pipes respectively, and the telescopic end of the spring bolt is connected with the expansion assembly in a clamping manner.

[0007] Preferably, the folding assembly comprises a portal frame, two bottom ends of the portal frame are movably connected with C-shaped frames respectively, two C-shaped frames are fixedly connected with one side wall of the positioning rod and close to both end positions respectively, the bottom of the open end of the C-shaped frame is fixedly provided with a blocking rod, one end of the blocking rod is connected with the reinforcing rod, the two side walls of the C-shaped frame close to the top end position are both provided with first shaft holes, and the two first shaft holes are connected through a first connecting bolt.

[0008] The top end of the portal frame is connected with a bracket through a connecting hinge, the outer side of the portal frame close to both end positions is provided with lock type telescopic rods, the bottom telescopic end of the lock type telescopic rod is movably connected with a second connecting bolt, the two bottom ends of the portal frame close to the sliding hole positions are provided with second shaft holes for mounting the second connecting bolt, and the top end of the lock type telescopic rod is movably connected with a third connecting bolt.

[0009] Preferably, the height of the C-shaped frame is greater than the height of the blocking rod, and the first shaft hole is located above the blocking rod.

[0010] Preferably, the outer wall of the bracket is rotatably connected with a limiting screw, and an iron chain is mounted on the limiting screw.

[0011] Preferably, the expansion assembly comprises a pull rod arranged outside the positioning rod, and the side wall of the pull rod and located at both ends of the side surface of the positioning rod is fixedly provided with a plug rod.

[0012] One end of each of the two plug rods is movably connected with the inner cavity of the two hollow tubes, and the opposite surfaces of the two plug rods are both provided with lock grooves for clamping the telescopic end of the spring bolt.

[0013] Preferably, the lock grooves are provided in a plurality of linear array modes.

[0014] Preferably, the outer diameter of the plug rod is the same as the inner diameter of the hollow tube, and the two constitute an embedded structure.

[0015] Advantages

[0016] The utility model provides a folding trolley for fire rescue. Compared with prior art, the following advantages are achieved:

[0017] The utility model discloses a folding trolley for fire rescue, through the steady frame, can form the steady support with two hollow tubes and two positioning rods combination, can stably bear a large number of fire fighting equipment, because the connecting place of every hollow tube with every positioning rod is provided with universal wheel, can conveniently move the equipment of fireman pushes, and then can carry fire fighting equipment to the appointed position, because the upper two sides of steady frame are provided with folding assembly, and the bottom of both sides of folding assembly is connected with both sides hollow tube respectively, when needing to transfer a large number of fire fighting equipment, at this time, through unfolding two folding assemblies, conveniently fireman stacks fire fighting equipment on the steady frame, and through two folding assemblies limiting, can realize bearing a large number of fire fighting equipment at a time,

[0018] Then through the limiting of spring bolt to expansion assembly, can conveniently user pull expansion assembly to the outside, and then can conveniently fireman put a certain amount of fire fighting equipment on the both sides of trolley, so as to further expand the number of fire fighting equipment of trolley, improve the efficiency of fire rescue, when needing to load trolley and carry, at this time, through the opening spring bolt, then again expansion assembly is retracted to hollow tube, then again folding assembly is folded, and through lock rod, again can limit the folding folding assembly, and then can reduce the floor area of trolley, so as to can fireman carry, improve the convenience of trolley use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is overall structure schematic diagram of the utility model;

[0020] Figure 2 It is bottom structure schematic diagram of the utility model;

[0021] Figure 3 It is folding structure schematic diagram of the utility model;

[0022] Figure 4 It is local A structure schematic diagram of the utility model;

[0023] Figure 5 It is folding assembly structure schematic diagram of the utility model;

[0024] Figure 6 It is folding assembly explosion structure schematic diagram of the utility model;

[0025] Figure 7 It is expansion assembly structure schematic diagram of the utility model.

[0026] In the figure: 1, stable frame; 2, hollow pipe; 3, positioning rod; 4, universal wheel; 5, folding assembly; 51, gantry frame; 52, C-shaped frame; 53, blocking rod; 54, first shaft hole; 55, sliding hole; 56, first connecting bolt; 57, bracket; 58, connecting hinge; 59, lock telescopic rod; 510, second connecting bolt; 511, second shaft hole; 512, third connecting bolt; 513, third shaft hole; 514, limiting screw; 515, iron chain; 6, lock rod; 7, reinforcing rod; 8, spring bolt; 9, through hole; 10, expansion assembly; 101, pull rod; 102, plug rod; 103, lock slot. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a folding trolley for fire rescue, including stable frame 1, both sides of stable frame 1 are fixedly provided with hollow pipe 2, and the other two sides of stable frame 1 are provided with positioning rod 3, the connecting place of each hollow pipe 2 and each positioning rod 3 is provided with universal wheel 4, and the upper two sides of stable frame 1 are provided with folding assembly 5, the bottom of the two sides of folding assembly 5 is connected with the hollow pipe 2 of two sides respectively, and the two sides of the inner cavity of stable frame 1 are provided with lock rod 6 for limiting folding assembly 5, the two sides of two hollow pipes 2 and located opposite side are provided with reinforcing rod 7, and reinforcing rod 7 is connected with folding assembly 5 and stable frame 1;The side wall of each reinforcing rod 7 is provided with spring bolt 8, and the two sides of two hollow pipes 2 are provided with through hole 9 for guiding spring bolt 8, and the outer side of two positioning rods 3 is provided with expansion assembly 10, and the two ends of expansion assembly 10 are inserted into the inner cavity of two hollow pipes 2 respectively, and the telescopic end of spring bolt 8 is connected with expansion assembly 10 and is engaged;

[0029] The stable frame 1 can be combined with two hollow pipes 2 and two positioning rods 3 to form a stable support, so that a large amount of fire-fighting equipment can be stably carried. Since each connecting position of each hollow pipe 2 and each positioning rod 3 is provided with a universal wheel 4, the device can be easily moved by the fire-fighting personnel, and the fire-fighting equipment can be carried to the designated position. Since the upper two sides of the stable frame 1 are provided with folding assemblies 5, and the bottoms of the two sides of the folding assemblies 5 are connected with the two hollow pipes 2 respectively, when a large amount of fire-fighting equipment needs to be transported, the two folding assemblies 5 are unfolded at this time, so that the fire-fighting personnel can stack the fire-fighting equipment on the stable frame 1, and the folding assemblies 5 are limited by the two folding assemblies 5, so that a large amount of fire-fighting equipment can be carried at one time. Then, the extension assembly 10 is limited by the spring latch 8, so that the user can easily pull the extension assembly 10 outward, and the fire-fighting personnel can place a certain amount of fire-fighting equipment on both sides of the cart, so as to further expand the amount of fire-fighting equipment carried by the cart, and improve the efficiency of fire rescue. When the cart needs to be loaded and carried, the spring latch 8 is opened at this time, and then the extension assembly 10 is retracted onto the hollow pipe 2, and then the folding assembly 5 is folded, and the folded folding assembly 5 is limited by the lock rod 6, so as to reduce the floor area of the cart, so as to facilitate the carrying of the cart by the fire-fighting personnel, and improve the convenience of use of the cart.

[0030] Referring to Figures 2-6 , the folding assembly 5 comprises a portal frame 51, two bottoms of the portal frame 51 are movably inserted with C-shaped frames 52 respectively, two C-shaped frames 52 are fixedly connected with one side wall of the positioning rod 3 and close to both ends, the bottom of the opening end of the C-shaped frame 52 is fixedly provided with a blocking rod 53, one end of the blocking rod 53 is connected with the reinforcing rod 7, both side walls of the C-shaped frame 52 close to the top end are provided with first shaft holes 54, two first shaft holes 54 are connected through first connecting bolts 56, both bottoms of the portal frame 51 close to the bottom end are provided with sliding holes 55 for penetrating and installing the first connecting bolts 56, the outside of the top end of the portal frame 51 is connected with a bracket 57 through a connecting hinge 58, the outside of the portal frame 51 close to both ends is provided with lock telescopic rods 59, the bottom telescopic end of the lock telescopic rod 59 is movably connected with a second connecting bolt 510, both bottoms of the portal frame 51 close to the sliding hole 55 are provided with second shaft holes 511 for installing the second connecting bolt 510, the top end of the lock telescopic rod 59 is movably connected with a third connecting bolt 512, both side walls of the bracket 57 are provided with third shaft holes 513 for installing the third connecting bolt 512, the height of the C-shaped frame 52 is greater than the height of the blocking rod 53, and the first shaft hole 54 is located above the blocking rod 53;

[0031] By folding two C-shaped frames 52 in the folding assembly 5, they can be respectively installed at the two end positions of the inner side wall of the positioning rod 3, and can provide space for the first shaft hole 54 and the two blocking rods 53, and then through the gantry 51, its two ends can be respectively inserted into the inner cavities of the two C-shaped frames 52, and the sliding hole 55 and the second shaft hole 511 can be provided with space, and through the first connecting bolt 56, the first shaft hole 54 and the sliding hole 55 can be penetrated, so that the bottom end of the gantry 51 can be movably installed in the inner cavity of the C-shaped frame 52. When it is needed to unfold the gantry 51, the user first pulls the gantry 51 inward, so that the bottom end of the sliding hole 55 abuts against the first connecting bolt 56, and then rotates outward around the first connecting bolt 56, so that the gantry 51 can be erected, and then the gantry 51 is pressed down, at this time the gantry 51 will move downward along the inner cavity of the C-shaped frame 52, until the top end of the sliding hole 55 abuts against the first connecting bolt 56, at this time the blocking rod 53 cooperates with the C-shaped frame 52 to achieve the purpose of clamping and limiting the gantry 51, so that the C-shaped frame 52 can be kept vertical and stable, through the connecting hinge 58, the bracket 57 can be connected with the gantry 51, and the user can unfold the bracket 57, so that the bracket 57 and the gantry 51 are in a vertical state, and then through the lock telescopic rod 59, the second connecting bolt 510 and the second shaft hole 511 on the gantry 51 are movably connected, and the third connecting bolt 512 and the third shaft hole 513 on the bracket 57 are movably connected, and then through the adjustment of the lock telescopic rod 59, the lock telescopic rod 59 can support the bracket 57 in a vertical state, so as to achieve the purpose of auxiliary supporting the gantry 51, at this time, through the gantry 51 and the bracket 57 in this state, the fire-fighting personnel can conveniently push the cart, and a large amount of fire-fighting equipment can be carried, improving the convenience of using the cart. When it is needed to fold the gantry 51 and the bracket 57, first pull the gantry 51 upward, so that the bottom end of the sliding hole 55 abuts against the first connecting bolt 56, and then rotate the gantry 51 inward, so that the gantry 51 can be folded first, and then adjust the lock telescopic rod 59, so that the support of the bracket 57 can be contacted, and then under the action of the connecting hinge 58, the bracket 57 can be folded, so that the use volume of the folding assembly 5 can be reduced.

[0032] Referring to Figure 1 , Figure 6 , the outer side wall of the bracket 57 is rotationally connected with a limiting screw 514, and an iron chain 515 is installed on the limiting screw 514, which can be installed on the bracket 57 through the limiting screw 514, and can be clamped on the lock rod 6 after the gantry 51 and the bracket 57 are folded, so as to prevent the gantry 51 and the bracket 57 from being automatically unfolded.

[0033] Referring to Figure 4 , Figure 7The extension component 10 includes a pull rod 101 disposed on the outside of the positioning rod 3. Insert rods 102 are fixedly disposed on the side wall of the pull rod 101 and at both ends of the side of the positioning rod 3. One end of the two insert rods 102 is respectively inserted into the inner cavity of the two hollow tubes 2. The opposite surfaces of the two insert rods 102 are provided with locking grooves 103 for engaging the telescopic end of the spring pin 8. Multiple locking grooves 103 are provided and are distributed in a linear array.

[0034] The pull rod 101 in the extension component 10 can be inserted into the inner cavity of the two hollow tubes 2 via two insert rods 102, and can also be used to support the fire-fighting equipment. By pulling the spring pin 8, its telescopic end can be locked in the locking groove 103 of the insert rod 102, thereby improving the stability of the insert rod 102. Since there are multiple locking grooves 103 and the multiple locking grooves 103 are distributed in a linear array, the user can easily adjust the position of the insert rod 102 when pulled outward.

[0035] See Figure 4 , Figure 7 The outer diameter of the insertion rod 102 is the same as the inner diameter of the hollow tube 2, and the two form an embedded structure, which can improve the stability of the insertion rod 102 when inserted into the inner cavity of the hollow tube 2.

[0036] During operation, the stabilizing frame 1, in conjunction with two hollow tubes 2 and two positioning rods 3, forms a stable support, enabling it to stably support a large amount of fire-fighting equipment. Since each hollow tube 2 and each positioning rod 3 is equipped with casters 4, firefighters can easily move the equipment and transport the fire-fighting equipment to designated locations. Because the stabilizing frame 1 has folding components 5 on both sides, and the bottom of each folding component 5 is connected to the hollow tubes 2 on both sides, when a large amount of fire-fighting equipment needs to be transferred, unfolding the two folding components 5 allows firefighters to easily stack the equipment on the stabilizing frame 1. The two folding components 5 also provide restraint, enabling the equipment to be stacked on the stabilizing frame 1 in one operation. The trolley can carry a large amount of fire-fighting equipment. By releasing the spring pin 8 from the limit of the extension component 10, the user can easily pull the extension component 10 outward, which allows firefighters to place a certain amount of fire-fighting equipment on both sides of the trolley, thus further expanding the amount of fire-fighting equipment that the trolley can carry and improving the efficiency of fire rescue. When the trolley needs to be loaded and carried, the spring pin 8 is opened, and then the extension component 10 is retracted onto the hollow tube 2. Then the folding component 5 is folded, and the locking rod 6 limits the folded component 5, thereby reducing the footprint of the trolley, making it easier for firefighters to carry and improving the convenience of using the trolley.

[0037] By folding two C-shaped frames 52 in the folding assembly 5, it can be respectively installed at both ends of the inner side wall of the positioning rod 3, and can provide space for the first shaft hole 54, and can be respectively installed and fixed to the two blocking rods 53, and then through the gantry 51, it can be respectively inserted into the inner cavity of the two C-shaped frames 52, and can provide space for the sliding hole 55 and the second shaft hole 511, and by the first connecting bolt 56, it can penetrate the first shaft hole 54 and the sliding hole 55, so that the bottom end of the gantry 51 can be movably installed in the inner cavity of the C-shaped frame 52. When it is needed to unfold the gantry 51, at this time the user first pulls the gantry 51 inward, so that the bottom end of the sliding hole 55 abuts against the first connecting bolt 56, and then rotates outward around the first connecting bolt 56, so that the gantry 51 can be erected, and then the gantry 51 is pressed down, at this time the gantry 51 will move downward along the inner cavity of the C-shaped frame 52, until the top end of the sliding hole 55 abuts against the first connecting bolt 56, at this time the blocking rod 53 cooperates with the C-shaped frame 52 to achieve the purpose of clamping and limiting the gantry 51, so that the C-shaped frame 52 can be kept vertically stable, through the connecting hinge 58, the bracket 57 can be connected with the gantry 51, and the user can unfold the bracket 57, so that the bracket 57 and the gantry 51 are in a vertical state, and then through the lock telescopic rod 59, the second connecting bolt 510 and the second shaft hole 511 on the gantry 51 are movably connected, and the third connecting bolt 512 and the third shaft hole 513 on the bracket 57 are movably connected, and then by adjusting the lock telescopic rod 59, the lock telescopic rod 59 can support the bracket 57 in a vertical state, so as to achieve the purpose of auxiliary supporting the gantry 51, at this time the gantry 51 and the bracket 57 in this state can facilitate the fire-fighting personnel to push the cart, and can carry a large amount of fire-fighting equipment, improving the convenience of using the cart, when it is needed to fold the gantry 51 and the bracket 57, first pull the gantry 51 upward, so that the bottom end of the sliding hole 55 abuts against the first connecting bolt 56, and then rotate the gantry 51 inward, so that the gantry 51 can be folded first, and then by adjusting the lock telescopic rod 59, the support of the bracket 57 can be contacted, and then under the action of the connecting hinge 58, the bracket 57 can be folded, so that the use volume of the folding assembly 5 can be reduced, through the iron chain 515, the limiting screw 514 can be installed on the outside of the bracket 57, and can be clamped on the lock rod 6 after the gantry 51 and the bracket 57 are folded, so as to prevent the gantry 51 and the bracket 57 from being automatically unfolded.

[0038] By extending the pull rod 101 in the expansion assembly 10, it can be inserted into the inner cavity of the two hollow pipes 2 through the two insertion rods 102 respectively, and it can also be conveniently matched with the two insertion rods 102 to play a supporting role, thereby being able to carry fire-fighting equipment, by pulling the spring latch 8, its telescopic end can be clamped in the lock groove 103 of the insertion rod 102, thereby being able to improve the stability of the use of the insertion rod 102. Since the lock groove 103 is provided with a plurality of lock grooves 103, and the plurality of lock grooves 103 are distributed in a linear array manner, the user can conveniently adjust the position of the insertion rod 102 pulled outward.

[0039] In summary, the device can not only carry a large amount of fire-fighting equipment at one time, but also reduce the floor area of the cart, so as to facilitate the carrying of the cart by the fire-fighting personnel, and improve the convenience of use of the cart.

[0040] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

Claims

1. A folding trolley for fire rescue, comprising a stabilizing frame (1), wherein hollow tubes (2) are fixedly arranged on both sides of the stabilizing frame (1), and positioning rods (3) are arranged on the other two sides of the stabilizing frame (1), and a caster wheel (4) is provided at the connection between each hollow tube (2) and each positioning rod (3), characterized in that: Folding components (5) are provided on both sides of the upper part of the stabilizing frame (1). The bottom of the two sides of the folding components (5) are connected to the hollow tubes (2) on both sides respectively. Locking rods (6) for limiting the folding components (5) are provided on both sides of the inner cavity of the stabilizing frame (1). Reinforcing rods (7) are provided on both sides of the two hollow tubes (2) and on opposite sides. The reinforcing rods (7) are connected to the folding components (5) and the stabilizing frame (1). Each of the reinforcing rods (7) has a spring pin (8) on its sidewall. Both sides of the two hollow tubes (2) have through holes (9) for guiding the spring pins (8). Both sides of the two positioning rods (3) have an extension component (10). The two ends of the extension component (10) are respectively inserted into the inner cavity of the two hollow tubes (2). The telescopic end of the spring pin (8) is engaged with the extension component (10).

2. The folding trolley for fire rescue according to claim 1, characterized in that: The folding assembly (5) includes a gantry frame (51), with C-shaped frames (52) movably inserted into the two bottom ends of the gantry frame (51). The two C-shaped frames (52) are fixedly connected to one side wall of the positioning rod (3) near both ends. A stop bar (53) is fixedly provided at the bottom of the open end of the C-shaped frame (52), and one end of the stop bar (53) is connected to the reinforcing rod (7). A first shaft hole (54) is provided on both side walls of the C-shaped frame (52) near the top end. The two first shaft holes (54) are connected by a first connecting bolt (56). A sliding hole (55) for through-installation of the first connecting bolt (56) is provided at both bottom ends of the gantry frame (51) near the bottom end. The top outer side of the gantry frame (51) is connected to a bracket (57) via a connecting hinge (58). Lockable telescopic rods (59) are provided on the outer side of the gantry frame (51) near both ends. The bottom telescopic end of the lockable telescopic rod (59) is movably connected to a second connecting bolt (510). The two bottom ends of the gantry frame (51) near the sliding hole (55) are provided with second shaft holes (511) for installing the second connecting bolts (510). The top of the lockable telescopic rod (59) is movably connected to a third connecting bolt (512). The two side walls of the bracket (57) are provided with third shaft holes (513) for installing the third connecting bolts (512).

3. A folding trolley for fire rescue according to claim 2, characterized in that: The height of the C-shaped bracket (52) is greater than the height of the stop bar (53), and the first shaft hole (54) is located above the stop bar (53).

4. A folding trolley for fire rescue according to claim 2, characterized in that: The outer wall of the bracket (57) is rotatably connected to a limiting screw (514), and a chain (515) is installed on the limiting screw (514).

5. A folding trolley for fire rescue according to claim 1, characterized in that: The extension component (10) includes a pull rod (101) disposed on the outside of the positioning rod (3), and insert rods (102) are fixedly disposed on the side wall of the pull rod (101) and at both ends of the side of the positioning rod (3). One end of each of the two insert rods (102) is inserted into the inner cavity of the two hollow tubes (2), and the opposite sides of the two insert rods (102) are provided with locking grooves (103) for engaging the telescopic end of the spring pin (8).

6. A folding trolley for fire rescue according to claim 5, characterized in that: The lock slots (103) are provided in multiple ways, and the multiple lock slots (103) are distributed in a linear array.

7. A folding trolley for fire rescue according to claim 5, characterized in that: The outer diameter of the insert (102) is the same as the inner diameter of the hollow tube (2), and the two form an embedded structure.

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