CN214138154U - Chassis assembly, air conditioner and vehicle - Google Patents

Abstract

The application provides a chassis subassembly, air conditioner and vehicle. This chassis subassembly includes chassis body (1) and connecting piece (2), is provided with slot (4) and first connecting hole (5) in hookup location department on chassis body (1), and slot (4) are passed in first connecting hole (5), and connecting piece (2) include connecting portion (3), and connecting portion (3) are pegged graft in slot (4), are provided with second connecting hole (6) on connecting portion (3), and first connecting hole (5) correspond the setting with second connecting hole (6). According to the chassis component, the mold production efficiency of the chassis component can be improved, the danger of increasing connecting pieces on the chassis component is eliminated, and the replacement difficulty of the connecting pieces is reduced.

Description

Chassis assembly, air conditioner and vehicle

Technical Field

The application relates to the technical field of air conditioning, in particular to a chassis assembly, an air conditioner and a vehicle.

Background

The known technology discloses an EPP part of a vehicle roof air conditioner unit, which is embedded with a stable connecting part to form an assembly when a mold is machined, but the production period of the part is long, the number of inserts placed in the mold is large, the danger coefficient of an operator is high, the production process is complex, the consumed time is long, the yield is low, and in addition, when the part is used for a long time or in a severe environment, the embedded connecting part can be rusted and corroded and cannot be detached for after-sale replacement.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the application is to provide a chassis assembly, an air conditioner and a vehicle, which can improve the mold production efficiency of the chassis assembly, eliminate the danger of increasing connecting pieces on the chassis assembly and reduce the replacement difficulty of the connecting pieces.

In order to solve the above problem, the application provides a chassis assembly, including chassis body and connecting piece, be provided with slot and first connecting hole in hookup location department on the chassis body, first connecting hole passes the slot, and the connecting piece includes connecting portion, and connecting portion are pegged graft in the slot, are provided with the second connecting hole on the connecting portion, and first connecting hole corresponds the setting with the second connecting hole.

Preferably, the slot narrows along the insertion direction, and the connecting portion is shaped to fit the slot.

Preferably, at least one insertion side edge of the connecting part is provided with a second folding arm, and the shape of the second folding arm is matched with the shape of the side wall of the slot corresponding to the second folding arm.

Preferably, the width of the second folding arm decreases along the direction away from the opening of the slot.

Preferably, the width of the slot decreases in a direction away from the slot opening.

Preferably, the included angle between the two side walls of the slot in the width direction is alpha, wherein the alpha is more than or equal to 5 degrees and less than or equal to 20 degrees.

Preferably, the connecting portion comprises a plurality of flaps connected in series, the second connecting aperture being provided in one or more of the flaps.

Preferably, the side wall of the folded plate is provided with a barb or a hook groove, and the side wall of the slot is provided with a hook groove or a barb at a corresponding position.

Preferably, one side of the connecting part close to the opening of the slot is provided with a first baffle, the chassis body is provided with an anti-falling bulge, and the first baffle stops at one side of the anti-falling bulge close to the slot.

Preferably, the connecting piece further comprises a mounting part, the connecting part is fixedly connected with the mounting part, and the mounting part is fixedly mounted on the chassis body.

Preferably, the mounting part comprises a mounting plate, a mounting groove is arranged on the chassis body, and the mounting plate is arranged in the mounting groove and is fixedly connected with the chassis body in a detachable mode.

Preferably, the mounting groove is provided with the anticreep arch in open position department, the protruding protrusion of anticreep in the lateral wall of mounting groove to and the diapire of mounting groove between form the anticreep draw-in groove, the mounting panel is located the anticreep draw-in groove, and by the protruding spacing of anticreep.

Preferably, the installation department still includes first arm of folding, and first arm of folding is connected at the side of mounting panel to the direction of the diapire of keeping away from the mounting groove is buckled, and first arm of folding is located the anticreep draw-in groove, and is protruding spacing by the anticreep.

Preferably, the height of the anti-dropping bulge exceeding the side wall of the mounting groove is 1.5 mm-3 mm.

Preferably, the bottom of mounting groove is provided with the mounting hole, is provided with the third connecting hole on the installation department, and the third connecting hole corresponds the mounting hole setting, is provided with the bolt in the third connecting hole, and the bolt is installed in the mounting hole.

Preferably, a plastic bolt is installed in the installation hole, the plastic bolt is in threaded connection with the installation hole, the plastic bolt is provided with a threaded hole, and the bolt is installed in the threaded hole.

Preferably, the chassis assembly is made of a foam material.

Preferably, the connectors are metal connecting flaps.

Preferably, the mounting plate has a suction surface.

According to an embodiment of the present application, an air conditioner includes a base pan assembly, which is the above-described base pan assembly.

According to an embodiment of the application, a vehicle comprises a chassis assembly, which is the chassis assembly described above.

The application provides a chassis subassembly, including chassis body and connecting piece, be provided with slot and first connecting hole in hookup location department on the chassis body, first connecting hole passes the slot, and the connecting piece includes connecting portion, and connecting portion are pegged graft in the slot, are provided with the second connecting hole on the connecting portion, and first connecting hole corresponds the setting with the second connecting hole. The chassis assembly is divided into two parts, one part is a chassis body formed by an integral die, the other part is a connecting piece which is processed independently, after the two parts are formed respectively, the connecting piece is installed on the chassis body, and a second connecting hole on the connecting piece is aligned with a first connecting hole at the connecting position of the chassis body, so that when the chassis assembly is connected with other parts such as a shell, the connecting effect can be enhanced through the combined action of the connecting piece and the chassis body, the connecting strength of the chassis assembly is improved, and reliable and stable connection is realized; because the connecting piece is formed by processing alone, and assemble together after both are shaping, but not add in the mould forming process of chassis body, consequently need not to put into the mode of inserts and produce when chassis body carries out mould production, can improve mould forming efficiency, eliminate the danger that the connecting piece brought in the mould forming process of adding simultaneously, because the cooperation of pegging graft between the connecting portion of connecting piece and the chassis body, consequently belong to detachable connection relation between the two, the connecting piece can be repeatedly installed and dismantled for the chassis body, consequently, can reduce the replacement degree of difficulty of connecting piece, reduce replacement cost.

Drawings

FIG. 1 is a schematic structural view of a chassis assembly according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a chassis assembly according to an embodiment of the present application at a location where a chassis body and a connector are engaged;

FIG. 3 is an exploded view of the assembly of the chassis body and the connecting member of the chassis assembly according to one embodiment of the present application;

FIG. 4 is a sectional view of an assembly structure of a chassis body and a connection member of the chassis assembly according to an embodiment of the present application;

FIG. 5 is a perspective view of a connection of the chassis assembly according to one embodiment of the present application;

FIG. 6 is a schematic structural view of a chassis body of the chassis assembly of one embodiment of the present application in an engaged position;

FIG. 7 is a schematic top view of a body of a tray assembly of an embodiment of the present application in a mated position;

FIG. 8 is a cross-sectional structural view of a chassis body of the chassis assembly of one embodiment of the present application in an engaged position;

FIG. 9 is a sectional view of an assembly structure of a chassis body and a connection member of the chassis assembly according to an embodiment of the present application;

FIG. 10 is a perspective view of a connection of the chassis assembly of one embodiment of the present application;

FIG. 11 is a block diagram of the attachment of the chassis assembly of one embodiment of the present application;

FIG. 12 is a block diagram illustrating the assembly of the chassis body and the connection members of the chassis assembly according to one embodiment of the present application;

fig. 13 is a sectional view showing an assembly structure of a chassis body and a connector of a chassis assembly according to an embodiment of the present application.

The reference numerals are represented as:

1. a chassis body; 2. a connecting member; 3. a connecting portion; 4. a slot; 5. a first connection hole; 6. a second connection hole; 7. a first folding arm; 8. a second folding arm; 9. folding the plate; 10. a barb; 11. a hook groove; 12. the anti-drop bulge; 13. an installation part; 14. mounting a plate; 15. mounting grooves; 16. an anti-drop clamping groove; 17. mounting holes; 18. a plastic plug; 19. a third connection hole; 20. a bolt; 21. a member to be connected; 22. a first baffle.

Detailed Description

With reference to fig. 1 to 13, according to an embodiment of the present application, the chassis assembly includes a chassis body 1 and a connecting member 2, a slot 4 and a first connecting hole 5 are provided at a connecting position on the chassis body 1, the first connecting hole 5 passes through the slot 4, the connecting member 2 includes a connecting portion 3, the connecting portion 3 is inserted into the slot 4, a second connecting hole 6 is provided on the connecting portion 3, and the first connecting hole 5 and the second connecting hole 6 are correspondingly provided.

The chassis assembly is divided into two parts, one part is a chassis body 1 formed by an integral die, the other part is a connecting piece 2 processed independently, after the two parts are formed respectively, the connecting piece 2 is installed on the chassis body 1, and a second connecting hole 6 on the connecting piece 2 is aligned with a first connecting hole 5 at the connecting position of the chassis body 1, so that when the chassis assembly is connected with other parts such as a shell, the connecting effect can be enhanced through the combined action of the connecting piece 2 and the chassis body 1, the connecting strength of the chassis assembly is improved, and reliable and stable connection is realized; because the connecting piece 2 is formed by processing alone, and assemble together after both are shaping, but not add in the mould forming process of chassis body 1, consequently, the mode of putting into the inserts when need not chassis body 1 and carrying out mould production is produced, can improve mould forming efficiency, the danger that the connecting piece 2 brought is added in the mould forming process is eliminated simultaneously, because the cooperation of pegging graft between the connecting portion of connecting piece 2 and the chassis body 1, consequently, belong to detachable connection relation between the two, connecting piece 2 is for chassis body 1 can be installed repeatedly and dismantle, consequently, can reduce the replacement degree of difficulty of connecting piece 2, reduce replacement cost.

The chassis assembly of this application embodiment for with other treat that connecting piece 21 is connected, consequently connecting piece 2 generally sets up in chassis body 1's periphery to conveniently strengthen chassis body 1's peripheral hookup location's structural strength, conveniently realize chassis body 1 and treat that the connection between the connecting piece 21 is fixed through connecting piece 2.

The slot 4 narrows gradually along the insertion direction, and the shape of the connecting part 3 is matched with the slot 4. Slot 4 narrows down along the direction of inserting gradually, can form big-end-up's structure, and the convenience leads connecting portion 3 inserting in slot 4, can effectively avoid taking place the dead phenomenon of connecting portion 3 card simultaneously, conveniently realizes the installation and the dismantlement between connecting portion 3 and the chassis body 1. The slot 4 is mainly used for positioning the connecting part 3, preventing the connecting part 3 from rotating and the second connecting hole 6 from generating axial displacement, and improving the stability and reliability of the mounting structure of the connecting part 3. The second connection holes 6 are here bolt holes for providing screw fastening locations for the mounting and fixing between the part to be connected 21 and the chassis assembly.

The slot 4 is gradually narrowed along the insertion direction, and the slot 4 may be gradually narrowed along the insertion direction in the length direction of the cross section, or the slot 4 may be gradually narrowed along the insertion direction in the width direction of the cross section, or may be simultaneously narrowed in both directions.

In one embodiment, the width of the slot 4 decreases in a direction away from the opening of the slot 4.

The contained angle between two lateral walls of slot 4's width direction is alpha, wherein 5 alpha is not less than or equal to 20, can enough avoid the contained angle undersize to lead to the inclination undersize that forms between two sides of slot 4, play effectual guide effect, can avoid the inclination undersize again and lead to the width difference between the opening part of slot 4 and the bottom too big for the degree of depth of slot 4 is limited, can't guarantee the depth of insertion of connecting portion 3 in slot 4.

At least one inserting side edge of the connecting part 3 is provided with a second folding arm 8, and the shape of the second folding arm 8 is matched with the shape of the side wall of the slot 4 corresponding to the second folding arm 8. Along the direction of keeping away from the opening of slot 4, the width of second folded arm 8 decreases progressively for second folded arm 8 forms big-end-up's guide structure.

In this embodiment, two insertion sides of the connecting portion 3 are respectively provided with the second folding arms 8, which are used for improving the structural strength of the connecting portion 3 and enhancing the firmness of the connecting portion 3 during installation, and the second folding arms 8 also can play a role in guiding when the connecting portion 3 is inserted into the slot 4 of the chassis body 1.

In one embodiment, the connecting portion 3 comprises a plurality of flaps 9 connected in series, the second connecting aperture 6 being provided in one or more of the flaps 9 therein. In this embodiment, a plurality of folding plates are connected to form a bent plate structure, so as to increase the contact area between the connecting portion 3 and the slot 4 and increase the firmness of installation.

In one embodiment, the side walls of the flap 9 are provided with barbs 10 and the side walls of the slot 4 are provided with hook grooves 11 at corresponding positions.

After the folded plate 9 is installed in the slot 4, the barb 10 on the folded plate 9 is clamped into the hook groove 11 on the side wall of the slot 4, so that a hook effect is formed between the folded plate 9 and the side wall of the slot 4, an effective anti-dropping effect is achieved, and the folded plate 9 can be stably kept in the slot 4.

In one embodiment, the side wall of the flap 9 is provided with a hook groove 11, and the side wall of the slot 4 is provided with a barb 10 at a corresponding position.

In one embodiment, the connecting portion 3 is provided with a first blocking plate 22 on a side close to the opening of the slot 4, the chassis body 1 is provided with an anti-falling protrusion 12, and the first blocking plate 22 is stopped on a side of the anti-falling protrusion 12 close to the slot 4. After a plurality of folded plates 9 of connecting portion 3 entered into slot 4, the first baffle 22 that is located the top of connecting portion 3 is gone into the protruding 12 below of anticreep on chassis body 1 to form the backstop by anticreep arch 12, thereby can carry out spacingly to connecting portion 3 from the top of connecting portion 3, prevent that connecting portion 3 from deviating from in slot 4.

In one embodiment, the connecting member 2 further includes a mounting portion 13, the connecting portion 3 is fixedly connected to the mounting portion 13, and the mounting portion 13 is fixedly mounted on the chassis body 1. Installation department 13 is through the mode fixed mounting that can dismantle the connection on chassis body 1, because connecting portion 3 also are through the mode that can dismantle the connection and install on chassis body 1, consequently make connecting piece 2 whole including installation department 13 and connecting portion 3 still can dismantle the connection on chassis body 1, can conveniently change and maintain, improve change and maintenance efficiency, reduce change and cost of maintenance.

In one embodiment, the mounting portion 13 includes a mounting plate 14, a mounting groove 15 is disposed on the chassis body 1, and the mounting plate 14 is disposed in the mounting groove 15 and is detachably and fixedly connected to the chassis body 1. In this embodiment, through setting up mounting groove 15, can utilize mounting groove 15 to form spacingly to the installation of mounting panel 14, be convenient for simultaneously fix a position the installation of mounting panel 14, realize the quick accurate installation of mounting panel 14 on chassis body 1.

Mounting groove 15 is provided with anticreep arch 12 in open position department, and anticreep arch 12 protrusion in the lateral wall of mounting groove 15 to and form anticreep draw-in groove 16 between the diapire of mounting groove 15, mounting panel 14 is located anticreep draw-in groove 16, and is spacing by anticreep arch 12. The anti-falling bulge 12 can be directly formed when the chassis body 1 is molded, when the anti-falling bulge is installed, one side of the installation plate 14 can be clamped into the anti-falling clamping groove 16, meanwhile, the connection part 3 falls into the slot 4, the other side of the installation plate 14 is clamped into the anti-falling clamping groove 16, and the connection part 3 is installed in place in the slot 4. Because the width of anticreep arch 12 is less than the width of mounting panel 14, consequently in mounting panel 14 packs into anticreep draw-in groove 16 back, can receive the spacing unable follow mounting groove 15 of following of anticreep arch 12 and deviate from, play effectual anticreep effect.

The installation part 13 further comprises a first folding arm 7, the first folding arm 7 is connected to the side of the installation plate 14 and is bent towards the direction of the bottom wall far away from the installation groove 15, and the first folding arm 7 is located in the anti-falling clamping groove 16 and is limited by the anti-falling protrusion 12. In the present embodiment, the three first folding arms 7 are respectively located on three sides of the mounting portion 13 except for the connecting side connected to the connecting portion 3, so that the structural strength of the mounting plate 14 of the mounting portion 13 can be improved, and the contact area between the mounting portion 13 and the side wall of the mounting groove 15 can be increased, thereby increasing the firmness of the mounting portion 13 on the chassis body 1.

The height that the protruding 12 of anticreep surpassed the lateral wall of mounting groove 15 is 1.5mm ~ 3mm, and the thickness of first arm 7 of folding is the same with the height that the protruding 12 of anticreep surpassed the lateral wall of mounting groove 15, perhaps slightly less than the height that the protruding 12 of anticreep surpassed the lateral wall of mounting groove 15 to guarantee that first arm 7 of folding can be located anticreep draw-in groove 16 completely, provide sufficient anti-disengaging structural strength. In this embodiment, the height of first arm 7 is equivalent to the height of anticreep draw-in groove 16 to make first arm 7 can form stable mating reaction after the anticreep draw-in groove 16 is gone into to the card, conveniently carry out the installation assembly between connecting piece 2 and the chassis body 1.

In one embodiment, the bottom of the mounting groove 15 is provided with a mounting hole 17, the mounting portion 13 is provided with a third connecting hole 19, the third connecting hole 19 is arranged corresponding to the mounting hole 17, a bolt 20 is arranged in the third connecting hole 19, and the bolt 20 is mounted in the mounting hole 17. In this embodiment, the mounting portion 13 and the chassis body 1 are both provided with a connecting hole, so that the mounting portion 13 and the chassis body 1 can be fixedly connected together by the bolt 20. In order to prevent the bolt 20 from being rusted due to long-term use, the bolt 20 may be a plastic bolt.

In one embodiment, the mounting plate 13 further has a suction surface thereon, which enables the connector 2 to be sucked and grabbed as a whole, thereby facilitating automatic assembly and improving assembly efficiency between the chassis body 1 and the connector 2.

The third connecting hole 19 serves to fix the position of the connecting element 2 by means of screws and to provide automated gripping by automated equipment.

In one embodiment, a plastic bolt 18 is installed in the installation hole 17, the plastic bolt 18 is screwed with the installation hole 17, the plastic bolt 18 has a threaded hole, and a bolt 20 is installed in the threaded hole. In the embodiment, the plastic bolt 18 is added between the mounting part 13 and the mounting hole 17 of the chassis body 1, so that an intermediate transfer function can be formed by the plastic bolt 18, and thus, the processing of the matching structure between the chassis body 1 and the mounting part 13 can be facilitated, and the chassis body 1 can be protected by the plastic bolt 18, so that the function of the bolt 20 can only be directly applied to the plastic bolt 18 and can not be directly applied to the chassis body 1, and therefore, the problem that the chassis body 1 is cracked due to the overlarge tightening force of the bolt 20 can not occur. In addition, since the bolts 20 are not directly connected with the chassis body 1, the bolts 20 may be metal bolts, so that even if the bolts 20 are corroded, the connecting member 2 can be unloaded from the chassis body 1 only by unloading the plastic bolts 18 from the mounting holes 17, and the phenomenon that the connecting member cannot be disassembled due to corrosion of the bolts can be avoided.

The plastic bolt 18 is externally provided with an external thread and internally provided with a threaded hole, and the mounting hole 17 is provided with a threaded hole, so that the fixed connection between the plastic bolt 18 and the mounting hole 17 and the fixed connection between the mounting part 13 and the plastic bolt 18 can be conveniently realized.

In one embodiment, the chassis assembly is made of a foam material, such as EPP, EPPE or EPO.

In one embodiment, the connectors 2 are metal connector flaps.

The connecting element 2 is for example an L-shaped flap construction.

When carrying out the assembly between connecting piece 2 and the chassis body 1, can be earlier in the mounting hole 17 of 18 rotatory only mounting groove 15 bottoms of chassis body 1 of plastic bolt, then install into chassis body 1's mounting groove 15 with the installation department 13 of connecting piece 2 in to make first book arm 7 block go into in the anticreep draw-in groove 16, connecting portion 3 enters into slot 4, make connecting piece 2 install in place on chassis body 1. Then, the bolt 20 is installed in the third connection hole 19 and the plastic bolt 18, so that the connection part 3 is fixedly connected to the chassis body 1, and the combination between the connection part 2 and the chassis body 1 is realized. The part to be connected 21, for example, a shell, can then be placed on the chassis body 1, the shell is fastened to the chassis body 1 using screws, and the screws are fixed to the connecting part 2, so that the chassis assembly and the part to be connected 21 are fixed.

In this embodiment, the plurality of connecting members 2 are mounted on the circumferential side of the chassis body 1, so that the connecting structure between the chassis body 1 and the members to be connected 21 can be reinforced from a plurality of places, and the connecting strength and the working performance of the chassis assembly are further improved.

According to an embodiment of the present application, an air conditioner includes a base pan assembly, which is the above-described base pan assembly.

According to an embodiment of the application, a vehicle comprises a chassis assembly, which is the chassis assembly described above.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims (21)

1. The utility model provides a chassis assembly, its characterized in that, includes chassis body (1) and connecting piece (2), be provided with slot (4) and first connecting hole (5) in hookup location department on chassis body (1), first connecting hole (5) pass slot (4), connecting piece (2) are including connecting portion (3), connecting portion (3) are pegged graft in slot (4), be provided with second connecting hole (6) on connecting portion (3), first connecting hole (5) with second connecting hole (6) correspond the setting.

2. Chassis assembly according to claim 1, characterized in that the insertion slot (4) tapers in the insertion direction, the shape of the connecting portion (3) being adapted to the insertion slot (4).

3. Chassis assembly according to claim 1, characterized in that at least one insertion side of the connection portion (3) is provided with a second folding arm (8), the shape of the second folding arm (8) being adapted to the shape of the side wall of the socket (4) to which the second folding arm (8) corresponds.

4. Chassis assembly according to claim 3, characterized in that the width of the second folding arm (8) decreases in a direction away from the opening of the socket (4).

5. Chassis assembly according to claim 1, characterized in that the width of the slot (4) decreases in a direction away from the opening of the slot (4).

6. Chassis assembly according to claim 5, characterized in that the angle between the two side walls of the slot (4) in the width direction is α, wherein α is 5 ° and 20 °.

7. A floor assembly according to claim 1, characterized in that the connecting portion (3) comprises a plurality of flaps (9) connected in sequence, the second connecting aperture (6) being provided in one or more of the flaps (9).

8. Chassis assembly according to claim 7, characterized in that the side walls of the flap (9) are provided with barbs (10) or hook grooves (11), and the side walls of the socket (4) are provided with hook grooves (11) or barbs (10) at corresponding positions.

9. The chassis assembly according to claim 7, wherein a first baffle (22) is arranged on one side of the connecting portion (3) close to the opening of the slot (4), a retaining protrusion (12) is arranged on the chassis body (1), and the first baffle (22) is stopped on one side of the retaining protrusion (12) close to the slot (4).

10. Chassis assembly according to any of claims 1 to 8, characterized in that the connection piece (2) further comprises a mounting portion (13), the connection portion (3) being fixedly connected with the mounting portion (13), the mounting portion (13) being fixedly mounted on the chassis body (1).

11. The chassis assembly according to claim 10, wherein the mounting portion (13) comprises a mounting plate (14), a mounting groove (15) is arranged on the chassis body (1), and the mounting plate (14) is arranged in the mounting groove (15) and is detachably and fixedly connected with the chassis body (1).

12. The chassis assembly as claimed in claim 11, wherein the mounting groove (15) is provided with an anti-dropping protrusion (12) at an opening position, the anti-dropping protrusion (12) protrudes out of a side wall of the mounting groove (15) and forms an anti-dropping slot (16) with a bottom wall of the mounting groove (15), and the mounting plate (14) is located in the anti-dropping slot (16) and is limited by the anti-dropping protrusion (12).

13. The chassis assembly according to claim 12, wherein the mounting portion (13) further comprises a first folding arm (7), the first folding arm (7) is connected to a side edge of the mounting plate (14) and is bent towards a direction away from a bottom wall of the mounting groove (15), and the first folding arm (7) is located in the anti-falling clamping groove (16) and is limited by the anti-falling protrusion (12).

14. The chassis assembly according to claim 12, wherein the height of the anti-slip protrusion (12) beyond the side wall of the mounting groove (15) is 1.5mm to 3 mm.

15. The chassis assembly according to any one of claims 11 to 14, wherein a mounting hole (17) is formed at the bottom of the mounting groove (15), a third connecting hole (19) is formed in the mounting portion (13), the third connecting hole (19) is formed corresponding to the mounting hole (17), a bolt (20) is arranged in the third connecting hole (19), and the bolt (20) is mounted in the mounting hole (17).

16. The floor assembly according to claim 15, characterized in that a plastic bolt (18) is mounted in the mounting hole (17), the plastic bolt (18) is in threaded connection with the mounting hole (17), the plastic bolt (18) has a threaded hole, and the bolt (20) is mounted in the threaded hole through the third connecting hole (19).

17. The floor assembly according to any one of claims 1 to 9 wherein the floor assembly is made of a foam material.

18. Chassis assembly according to any of claims 1 to 9, characterized in that the connecting element (2) is a metal connecting flap.

19. Chassis assembly according to any of claims 11 to 14, characterized in that the mounting plate (14) has a suction surface.

20. An air conditioner comprising a floor pan assembly, wherein the floor pan assembly is as claimed in any one of claims 1 to 19.

21. A vehicle comprising a chassis assembly, characterized in that the chassis assembly is as claimed in any one of claims 1 to 19.

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