TW202402487A - Modular framework device for food delivery robot capable of shifting the center of gravity of the modular framework device backward and preventing the food delivery robot from tipping forward - Google Patents

Abstract

A modular framework device for food delivery robot comprises a bottom unit, a plurality of supports detachably disposed above the bottom unit, a plurality of connectors detachably embedded in these supports, and at least one carrying unit. The bottom unit includes two bases and two frames respectively inserted into the bases. Each frame has a lower insertion part, a plurality of inclined ribs extending upward and backward from the lower insertion part in an inclined manner, a plurality of supporting ribs extending upward from the inclined ribs, and an upper insertion part connected to the supporting ribs and projecting upward. The center of gravity of the upper insertion part is located rearward relative to the center of gravity of the lower insertion part. This design shifts the center of gravity of the modular framework device backward, preventing the food delivery robot from tipping forward. Users can assemble the required number of layers according to their needs. The present invention adopts a modular assembly design, allowing users to freely connect an appropriate number of supports and connectors based on conditions such as the carrying capacity and the size of the area. When the carrying capacity is large, more layers of supports can be assembled to increase the number of meals that can be accommodated. When the carrying capacity is small, fewer layers of supports can be assembled to reduce wasted space. In addition, the design of the inclined ribs extending backward creates a backward shift in the center of gravity of the supports assembled on the upper insertion parts.

Description

Modular frame device for food delivery robot

The present invention relates to a frame device, in particular to a modular frame device of a food delivery robot.

With the aging population in most developed countries and the continuous advancement of robot-related technologies, the trend of replacing old labor jobs with robots has become unstoppable. This trend has also spread to fields such as home care and restaurant and shopping mall automation. Currently, there are It is a food delivery robot that can automatically transport meals in a specific area. This type of food delivery robot usually transports the meals placed on the bracket through a fixed bracket. That is, each food delivery robot is set with a fixed height. , fixed-width and fixed-layer brackets, but this fixed bracket cannot be adjusted according to the type of meal, the size of the application area, and the service content. For example, the bracket layer cannot be lowered under low load capacity. number to reduce collisions in small environments, or conversely increase the number of bracket layers to increase load capacity, which is not conducive to modularization and has low versatility. In addition, the center of gravity of the general bracket is not specially designed, which makes the food delivery robot easy to tilt forward due to the unstable center of gravity when moving, which may lead to overturning.

Therefore, the object of the present invention is to provide a stable and freely assembleable frame device.

Therefore, the modular frame device of the food delivery robot of the present invention is suitable for being installed on a food delivery robot. The modular frame device includes a bottom unit fixed on the food delivery robot, and a plurality of bottom units that are detachably provided on the food delivery robot. The bearings above the ground floor units, a plurality of connectors detachably embedded in the bearings, and at least one holding unit. The bottom unit includes two bases respectively provided on the left and right sides of the food delivery robot, and two chassis respectively inserted on the bases. Each chassis has a lower plug-in part inserted into the corresponding base, a plurality of inclined ribs extending upward and rearward from the lower plug-in part, and a plurality of inclined ribs respectively extending upward from the inclined ribs. Support ribs, and an upper insertion portion connecting the support ribs and protruding upward. The center of gravity of the upper plug-in part is located relatively behind the center of gravity of the lower plug-in part. The at least one holding unit includes a supporting plate extending in a horizontal direction and with its left and right ends detachably connected to two connecting members of the same height.

The effect of the present invention is that the present invention adopts a modular assembly design, so the user can freely assemble the corresponding number of the supports and the connectors according to the conditions such as each load capacity and the size of the site to connect all The required number of layers of supporting boards is required. When the carrying capacity is large and the site allows, more layers of supporting boards can be assembled to increase the number of meals that can be placed. When the carrying capacity is small, fewer layers of supporting boards can be assembled. Support board (even only one layer) to reduce the waste of space. In addition, through the design of the obliquely curved ribs bending and extending backward, the center of gravity of the socket assembled on the upper plug-in parts is shifted backward, and at the same time, the center of gravity of the entire modular frame device is moved backward. When the food delivery robot moves, it can generate a reaction moment that can resist the inertia moment, solving the problem of the food delivery robot tilting forward and improving the stability of the food delivery robot when traveling.

Referring to FIGS. 1 and 2 , one embodiment of the modular frame device of a food delivery robot of the present invention is suitable for being installed on a food delivery robot 1 . The modular frame device includes a bottom unit 2 fixed on the food delivery robot 1, six bearings 3 detachably arranged above the bottom unit 2, and four detachably embedded in the bearings. The connecting piece 5 in the base 3, four brackets 4 extending in the height direction and detachably connected to the bases 3, two reinforcing pieces 6 detachably embedded in the bases 3, and two A holding unit 7 is detachably provided corresponding to four of the supports 3 .

Referring to Figures 2, 3, and 4, the bottom unit 2 includes two bases 21 respectively provided on the left and right sides of the food delivery robot 1 (see Figure 1), and two bottom bases respectively inserted on the bases 21. Rack 22. Each base 21 has a side fixing part 211 locked on the side of the food delivery robot 1, two extending ribs 212 extending obliquely upward and outward from the side fixing part 211, and an extending rib part 212 connecting the extending ribs 212. And the socket part 213 for inserting the corresponding chassis 22. Each chassis 22 has a lower plug-in part 221 inserted into the corresponding socket part 213, three oblique ribs 222 extending upward and backward from the lower plug-in part 221, and three inclined ribs 222 respectively. The obliquely curved ribs 222 have support ribs 223 extending upward, and an upper insertion portion 224 connecting the support ribs 223 and protruding upward. Through the curved and extended structure of the obliquely curved ribs 222, the center of gravity of the upper plug-in portion 224 is located relatively behind the center of gravity of the lower plug-in portion 221. A preferred design is that the top end of each obliquely curved rib portion 222 A distance A that is offset 40mm rearward compared to the bottom end. Through the backward bending and extending design of the obliquely curved ribs 222, the center of gravity of the bearing 3 assembled on the upper plug-in parts 224 is shifted backward, and at the same time, the center of gravity of the entire modular frame device is moved backward. In this way, When the food delivery robot 1 moves, it can generate a reverse moment that can resist the inertia moment, solving the problem of the food delivery robot 1 tilting forward and improving the stability of the food delivery robot 1 when traveling.

Referring to Figures 2, 5, and 6, the supports 3 are arranged in groups of two, and the two supports 3 in each group are located at opposite left and right sides of the food delivery robot 1 at intervals. Except for the two uppermost sockets 3, each of the remaining sockets 3 includes two wall portions 31 spaced apart from each other along the front and rear directions, and two wall portions 31 spaced apart from each other along the up and down direction and connected to the wall portions 31. Connecting wall 32. The wall portions 31 cooperate to define a through-hole 311 penetrating in the left and right direction. Each connecting wall portion 32 forms a through groove 321 extending from the top surface to the bottom surface. The two upper bearings 3 are generally similar to the other bearings 3 . The difference is that the structure of the two bearings 3 is only half of that of the other bearings 3 . Each bracket 4 is located between the upper and lower bearings 3 and includes two tenon portions 41 spaced apart from each other in the up and down direction, and two support portions 42 connecting the tenon portions 41 and spaced apart from each other in the left and right directions.

Referring to Figures 2, 7, and 8, these connectors 5 are also arranged in pairs. The two connectors 5 in the middle are shown in Figure 7. Each connector 5 includes a connector extending along the height direction. The main plate portion 51 and an extension plate portion 52 extending inwardly from the middle portion of the main plate portion 51 . The main plate portion 51 is clamped between the connecting wall portions 32 of the corresponding support base 3 and defines a positioning groove 511 connected with the through grooves 321 around the main plate portion 51 . The extension plate part 52 defines a socket 521 extending in the left and right direction, and a positioning opening 522 extending downward from the top surface to communicate with the socket 521, and the extension plate part 52 passes through the through hole 311 ( See Figure 5). The two uppermost connecting members 5 are shown in Figure 8 , in which the extension plate portion 52 of each connecting member 5 is connected to the top end of the main plate portion 51.

Referring to Figures 2, 5, and 7, each bearing 3 embedded with the connector 5 shown in Figure 7 is connected to two brackets 4 located above and below, and each bracket 4 passes through them. A through groove 321 is inserted into the positioning groove 511 and abuts with another bracket 4 in the positioning groove 511 . Referring to Figures 2, 5, and 8, each bearing 3 embedded with the connector 5 shown in Figure 8 is connected to a bracket 4 located below, and the bracket 4 is inserted through the through slot 321. It is placed in the positioning groove 511 and abuts against the extension plate portion 52 .

Referring to Figures 2, 5, and 9, the reinforcing members 6 are respectively embedded in the two lowermost bearing seats 3. Each reinforcing member 6 includes an embedded wall portion that is clamped to the corresponding bearing base 3. 31 main body portions 61, an upper buckle portion 62 connected to the upper end of the main body portion 61 and extending inward between the support portions 42 of the corresponding bracket 4, and an upper buckle portion 62 connected to the lower end of the main body portion 61 and extending inwardly. The lower buckle portion 63 extends between the supporting ribs 223 of the corresponding chassis 22 . The reinforcing member 6 is disposed on the bearing 3 and engages the bracket 4 and the base frame 22 so that the bracket 4 and the base frame 22 are less likely to swing relative to each other and thereby improve stability.

Referring to Figure 2, Figure 10, and Figure 11, each holding unit 7 includes a supporting plate 71 extending in the horizontal direction and with its left and right ends detachably connected to two connecting members 5 of the same height, and two through-holes. The bearing plate 71 and the fixing pins 72 of the connectors 5 , an anti-slip pad 73 fixed on the bearing plate 71 , and a plurality of trays 74 arranged on the bearing plate 71 . One end of the support plate 71 is inserted into the socket 521 of the extension plate portion 52 of the corresponding connector 5, and the fixing pin 72 passes through the positioning opening 522 and the support plate 71 to fix the support plate 71 to the on the connector 5. Each tray 74 has a tray portion 741 placed on the supporting plate 71 , a plurality of positioning claw portions 742 extending radially outward from the tray portion 741 and bent upward, and a positioning claw portion 742 disposed on the tray. The magnetic attraction part 743 of the body part 741. The anti-slip pad 73 can prevent the food placed on it from sliding. In addition, the food can also be placed on the trays 74 and the position of the food can be limited through the positioning claws 742 and the magnetic attraction portion 743 further absorbs the metal dinner plate to increase the fixation effect, thus improving the stability of the meal during transportation.

Referring back to Figures 1 and 2, the main advantage of this embodiment is that it allows the user to freely assemble various components according to actual needs. Therefore, in addition to the aforementioned configuration methods, other different assembly methods can also be used for different types of robots. For example, the two bottom supports 3 in this case are just on both sides of the food delivery robot 1, so they will be blocked by the food delivery robot 1 body and cannot be equipped with a support plate 71. However, when it is used in a situation where the body height is lower than the When the food delivery robot 1 of the bottom unit 2 is installed, the reinforcing parts 6 can be replaced by the connecting parts 5 to add a layer of supporting plate 71 . In addition, the number of the bearings 3 can also be increased or reduced to increase or decrease the number of the bearing plates 71 , so that modular frame devices of different heights can be assembled according to the required carrying capacity or walking space. , and the trays 74 or the anti-slip pads 73 that can improve the stability can be installed according to the type of meals carried, which is extremely versatile, and the modular and detachable design can also reduce the difficulty of maintenance and mold opening. fees.

To sum up, the present invention can be freely assembled into different configurations according to the user's needs, so that it can be customized for different application scenarios, has high versatility and is also convenient for maintenance; in addition, through each obliquely curved rib, The top end of 222 is designed to be offset backward compared to the bottom end, so that the center of gravity of the entire modular frame device moves backward. In this way, when the food delivery robot 1 moves, it can generate a reverse moment that can resist the inertia moment, solving the problem of the food delivery robot 1. The problem of forward tilting of the food delivery robot 1 improves the stability of the food delivery robot 1 when traveling, so the purpose of the present invention can indeed be achieved.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. All simple equivalent changes and modifications made based on the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of this invention.

1: Food delivery robot 2: Ground floor unit 21:Base 211: Side fixing part 212:Extended ribs 213:Socket Department 22:Chassis 221: Lower plug-in part 222: oblique rib 223: Support rib 224: Upper plug-in part 3:Bearing 31: embedded part 311: Pass 32: Connecting wall 321:Through groove 4: Bracket 41: Tenon part 42:Pillar Department 5: Connectors 51:Motherboard Department 511: Positioning slot 52:Extended board part 521:Socket 522: Positioning port 6: Reinforcement parts 61: Main part 62: Upper button part 63: Lower button part 7: Storage unit 71:Bearing plate 72: Fixed pin 73: Anti-slip pad 74:Pallet 741:Plate body part 742: Positioning claw 743:Magnetic suction department A:Distance

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a front view illustrating one embodiment of the modular frame device of the food delivery robot of the present invention; Figure 2 is a perspective view illustrating the three-dimensional aspect of the modular frame device; Figure 3 is a perspective view illustrating a base in this embodiment; Figure 4 is a side view illustrating a chassis in this embodiment; Figure 5 is a perspective view illustrating a bearing in this embodiment; Figure 6 is a side view illustrating one of the brackets in this embodiment; Figure 7 is a perspective view illustrating one of the connectors in this embodiment; Figure 8 is a perspective view illustrating another aspect of the connector in this embodiment; Figure 9 is a perspective view illustrating one of the reinforcing members in this embodiment; Figure 10 is an exploded perspective view illustrating the combination of a holding unit and the connector in this embodiment; and Figure 11 is an incomplete perspective view illustrating the structure of the holding unit.

2: Ground floor unit

21:Base

211: Side fixing part

212:Extended ribs

213:Socket Department

22:Chassis

222: oblique rib

223: Support rib

3:Bearing

31: embedded part

32: Connecting wall

4: Bracket

42:Pillar Department

5: Connectors

51:Motherboard Department

6: Reinforcement parts

62: Upper button part

63: Lower button part

7: Storage unit

71:Bearing plate

Claims (10)

A modular frame device for a food delivery robot, suitable for being installed on a food delivery robot. The modular frame device includes: A bottom unit is fixed on the food delivery robot and includes two bases respectively provided on the left and right sides of the food delivery robot, and two chassis respectively inserted on the bases, each chassis having an insertion A lower plug-in part on the corresponding base, a plurality of obliquely curved ribs extending upward and rearward from the lower plug-in part, a plurality of support ribs respectively extending upward from the obliquely curved ribs, and a connection connecting the An upper plug-in part that supports the rib and protrudes upward, the center of gravity of the upper plug-in part is located relatively behind the center of gravity of the lower plug-in part; A plurality of bearings are detachably provided above the ground floor unit; A plurality of connectors are detachably embedded in the sockets; and At least one holding unit includes a supporting plate extending in a horizontal direction and with its left and right ends detachably connected to two connecting members of the same height. The modular frame device of the food delivery robot according to claim 1, wherein two of the seats are respectively provided on the upper plug-in parts of the bottom unit. The modular frame device of the food delivery robot described in claim 2 also includes a plurality of brackets extending in the height direction and detachably connected to the supports. The upper and lower ends of each bracket are respectively connected to two phases of different heights. Adjacent seat. The modular frame device of the food delivery robot described in claim 3 further includes a plurality of reinforcing parts detachably provided on the supports. The modular frame device of the food delivery robot as described in claim 3, wherein one of the upper and lower ends of each bracket is penetrated by a corresponding socket. When the socket is embedded with one of the connecting pieces, the bracket The plug is fixed on the connector. The modular frame device of the food delivery robot according to claim 4, wherein each bracket has two tenon parts spaced apart from each other in the up and down direction, and two tenon parts connected to the tenon parts and spaced apart from each other in the left and right direction. The support part is embedded with one of the reinforcing members and is installed on one of the bases. The base is penetrated in the up and down direction by one of the brackets and the base frame respectively. The reinforcing member includes a base clamped on the base. The main body part, an upper buckle part connected to the upper end of the main body part and extending inward between the support ribs of the bracket, and an upper buckle part connected to the lower end of the main body part and extending inward between the support ribs The lower button part between. The modular frame device of the food delivery robot according to claim 1, wherein the at least one holding unit further includes at least one anti-slip pad fixed on the supporting plate. The modular frame device of the food delivery robot according to claim 1, wherein the at least one holding unit further includes at least one tray disposed on the supporting plate, and the at least one tray has a The disk body part, a plurality of positioning claw parts extending radially outward from the disk body part and bent upward, and a magnetic attraction part provided on the disk body part. The modular frame device of the food delivery robot according to claim 1, wherein the two ends of the supporting plate of the at least one holding unit are respectively inserted into the corresponding two connectors, and the at least one holding unit further It includes two fixing pins respectively passing through both ends of the bearing plate and the connecting parts. The modular frame device of the food delivery robot according to claim 1, wherein each base has a side fixing part, two extending ribs extending obliquely upward from the side fixing part, and a connecting part connecting the extending ribs. The rib is provided with a socket portion for inserting into the lower plug-in portion of the corresponding chassis.

Images