Technical block for portable vacuum cleaner, portable vacuum cleaner and assembly method for a portable vacuum cleaner associated

Abstract

This technical block (6) for a handheld vacuum cleaner comprises a main body (14) receiving a motor assembly (16). The technical block (6) is configured so that, during the vacuum cleaner assembly phase, it is attached to a handle block (8) comprising a handle (38) and a housing (40) for receiving the main body. According to the invention, the technical block (6) also includes a human-machine interface (28) positioned on an outer face of the main body (14). The human-machine interface (28) forms a guide rib (114) adapted to cooperate with a groove (116) in the housing during the assembly phase. (See Fig. 3 for abbreviations.)

Description

Title of the invention: Technical unit for portable vacuum cleaner, portable vacuum cleaner and associated method of mounting a portable vacuum cleaner Technical field

[0001] The present invention relates to the field of portable vacuum cleaners and in particular to the field of the assembly of portable vacuum cleaners. Such vacuum cleaners generally have a modular assembly structure composed of different sub-assemblies suitable for being assembled together during an assembly phase of the portable vacuum cleaner. For this purpose, the vacuum cleaner generally comprises a first sub-assembly comprising a technical unit provided with a motor assembly and a second sub-assembly comprising a handle unit suitable for being assembled to the technical unit. State of the art

[0002] EP3632284 B1 discloses a technical unit for a portable vacuum cleaner comprising a main body receiving a motor assembly and suitable for being assembled to a handle unit during an assembly phase of the vacuum cleaner. The handle unit comprises a handle and a main housing for receiving the main body.

[0003] Such a technical block makes it possible to simplify the manufacture of the vacuum cleaner since it is possible to independently manufacture two sub-assemblies of the vacuum cleaner suitable for being assembled together when assembling the vacuum cleaner.

[0004] However, the structure of the technical block and the handle block of EP3632284 B1 is complex, which is detrimental to the reliability and manufacturing cost of such elements. Summary of the invention

[0005] The present invention aims to remedy these drawbacks.

[0006] The technical problem underlying the invention consists of proposing a technical unit for a portable vacuum cleaner which is easy to assemble and offers reliability and reduced cost of the portable vacuum cleaner.

[0007] For this purpose, the invention relates to a technical unit for a portable vacuum cleaner comprising a main body receiving a motor assembly, the technical unit being configured to, during an assembly phase of the vacuum cleaner, be fixed to a handle unit comprising a handle and a housing for receiving the main body. According to the invention, the technical unit also comprises a human-machine interface positioned on an outer face of the main body and the human-machine interface forms a guide rib suitable for cooperating with a groove in the receiving housing during the assembly phase.

[0008] Thanks to the invention, the technical block groups together all the electrical functions / electronics and in particular the display and suction functions and the handle unit simply serves as a mechanical interface for connecting the various elements making up the portable vacuum cleaner. Thus, the structure of the handle unit is simplified and the reliability of the vacuum cleaner is improved because unlike the aforementioned state of the art it is not necessary to power both components present in the handle unit such as the human-machine interface and components present in the technical unit such as the suction motor. In addition, the human-machine interface serves both as a system for transmitting information to the user and as a guide / fooling system during the assembly of the technical unit and the handle unit. The assembly of the vacuum cleaner is thus made easier while limiting the cost and complexity of the technical unit.

[0009] According to advantageous but not obligatory aspects of the invention, such a technical unit for a portable vacuum cleaner may incorporate one or more of the following characteristics, taken in any technically admissible combination.

[0010] According to an advantageous characteristic of the invention, the main body comprises an external envelope and the human-machine interface projects from the external envelope so as to form the guide rib suitable for guiding the main body into the receiving housing of the main body during the assembly phase.

[0011] Such an arrangement makes it possible to simplify the assembly of the vacuum cleaner and in particular the assembly of the technical unit with the handle unit.

[0012] According to an advantageous characteristic of the invention, the human-machine interface is arranged on an upper part of the outer face.

[0013] Such an arrangement allows an operator to clearly visualize the guide rib and the groove during the assembly phase and thus to simplify the assembly phase. In addition, this allows a user to easily visualize information communicated by the human-machine interface.

[0014] According to an advantageous characteristic of the invention, the human-machine interface comprises on a front side a notch for receiving an axial projection formed in the groove of the receiving housing of the main body.

[0015] Such an arrangement makes it possible to obtain a robust assembly and to concentrate a maximum of functions close to the human-machine interface.

[0016] According to an advantageous characteristic of the invention, the technical block comprises: - a cable support part; - a power connector suitable for connection to an energy storage system of the vacuum cleaner; - a set of electrical cables extending from the main body to the power connector via the cable support part, the cable support part comprising elements for holding the electrical cables the cable support part being clean during the assembly phase to be fixed inside the handle.

[0017] Such an arrangement makes it possible to group together all the electrical / electronic functions in the technical unit and to have a handle unit which simply serves as a mechanical interface for connecting the various elements making up the portable vacuum cleaner. Thus, the structure of the handle unit is simplified and the reliability of the vacuum cleaner is improved because it is not necessary to provide an electrical connection between the handle unit and the technical unit to provide power to the motor assembly. In addition, such a grouping of the electrical / electronic functions makes it possible to optimize the manufacturing cost of the vacuum cleaner.In addition, the technical block allows for easy assembly on the handle block since the main body is intended to be received in the receiving housing of the main body and the support part makes it easier to integrate the electrical cables into the handle and the correct positioning of the power connector so that it can be connected to an energy storage system of the vacuum cleaner, such as a power battery. Furthermore, the support part ensures good support for the first electrical cables during transport of the technical block and good positioning of the first electrical cables during the assembly phase.

[0018] According to an advantageous characteristic of the invention, the main body comprises a filter positioned at the outlet of the motor assembly and a reversible closing cover of a rear face of the main body via which the filter is accessible to a user.

[0019] Such an arrangement makes it easy to remove the filter from the main body, particularly for cleaning.

[0020] According to an advantageous characteristic of the invention, the main body comprises elements for fixing the main body to the housing for receiving the main body, the fixing elements being accessible to an operator after removal of the cover from the rear face.

[0021] Such an arrangement makes it easy to fix the main body to the receiving housing.

[0022] According to an advantageous characteristic of the invention, the set of electrical cables comprises a set of first electrical cables extending from the motor assembly to the power connector via the cable support part, the cable support part comprising elements for holding the first electrical cables;

[0023] According to an advantageous characteristic of the invention, the main body also comprises an electronic card for controlling the vacuum cleaner and the technical unit comprises a set of second electrical cables extending from the electronic card control electronics to the power connector via the cable support part, the cable support part comprising elements for holding the second electrical cables.

[0024] Such an arrangement makes it possible to ensure good maintenance of the second electrical cables during transport of the technical unit and good positioning of the second electrical cables during the assembly phase. In addition, such an arrangement makes it possible to ensure the supply of electrical energy to the electronic control card via the second electrical cables.

[0025] According to an advantageous characteristic of the invention, the cable support part comprises a housing for receiving an electronic card supporting at least one vacuum cleaner control button capable of cooperating with an actuator mounted on the handle.

[0026] Such an arrangement makes it possible to ensure the correct positioning of the control button relative to the actuator during the assembly phase as well as good retention of the control button and the associated electronic card during transport of the technical unit.

[0027] According to an advantageous characteristic of the invention, the cable support part comprises a housing for receiving an element for protection against electrostatic discharges.

[0028] Such an arrangement makes it possible to ensure optimized protection of the user against electrostatic discharges and to ensure the correct positioning of the protective element in the handle block during the assembly phase.

[0029] According to an advantageous characteristic of the invention, the main body is of generally cylindrical shape and is positioned above the cable support part, and the housing for receiving the main body is delimited by a wall of generally cylindrical shape suitable for receiving at least partially the main body and positioned above the handle.

[0030] Such an arrangement makes it possible to ensure optimized assembly of the technical unit on the handle unit.

[0031] According to an advantageous characteristic of the invention, the handle comprises a front shell and a rear shell suitable for being assembled, the front shell comprising a recess for receiving the cable support part and the cable support part comprising elements for securing the cable support part to a rear face of the front shell.

[0032] Such an arrangement makes it easier to assemble the cable support part in the handle.

[0033] According to an advantageous characteristic of the invention, the cable support part comprises at least one guide / foil-proofing element capable of cooperating with the face rear of the front hull to ensure correct positioning of the cable support part in the cable support part receiving recess during the assembly phase.

[0034] Such an arrangement ensures the correct positioning of the cable support part and therefore of the electrical cables in the handle and thus optimizes the assembly of the technical unit on the handle unit. This also makes it possible to avoid incorrect assembly which could cause quality problems or even safety problems when using the vacuum cleaner.

[0035] According to an advantageous characteristic of the invention, the main body comprises an air diffusion nozzle and advantageously a filter positioned around the air diffusion nozzle.

[0036] Such an arrangement allows for optimized suction and in particular optimized air circulation while ensuring filtering of the air evacuated at the outlet of the vacuum cleaner.

[0037] According to an advantageous characteristic of the invention, the cable support part is attached to the power connector only by means of electrical cables extending between the cable support part and the power connector.

[0038] According to an advantageous characteristic of the invention: - either the cable support part is attached to the main body only by means of electrical cables extending between the cable support part and the main body; - either the technical block includes a part for attaching the support part to the main body such as a plastic or even metallic blade, the plastic blade preferably being flexible.

[0039] According to an advantageous characteristic of the invention, the handle block comprises a base for receiving the energy storage system and the handle extends between the receiving housing of the main body and the base, the base comprising a rear face provided with a recess for passing the first electrical cables during the assembly phase, the recess delimiting a zone for receiving an electronic interconnectivity card of the power connector.

[0040] Such an arrangement makes it easier to integrate the interconnectivity card into the base during the assembly phase.

[0041] The invention also relates to a portable vacuum cleaner comprising a technical unit and a handle unit, wherein the technical unit is as described above, the handle unit comprises a handle and a housing for receiving the main body and the human-machine interface is arranged in the groove of the receiving housing.

[0042] According to an advantageous characteristic of the invention, the axial projection is suitable for receiving a reversible fixing system of a waste separation device at the

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[0052] handle block. Such an arrangement makes it easier to handle the waste separation device. The invention also relates to a method of mounting a portable vacuum cleaner comprising the following steps: - a) the supply of a technical unit as described above and a handle unit comprising a handle and a housing for receiving the main body; - b) positioning the main body in the main body receiving housing via a translational movement of the human-machine interface in the groove of the main body receiving housing; - c) fixing the main body to the receiving housing. Such a process is simple to implement and allows for optimized assembly of the vacuum cleaner and in particular of the technical unit on the handle unit. According to an advantageous characteristic of the invention, the method also comprises the following steps: - d) the positioning of the cable support inside the handle; - e) fixing the cable support to the handle. According to an advantageous characteristic of the invention, during step d), the first electrical cables and in particular a lower portion of the first electrical cables, are moved through the passage recess and the interconnectivity card is positioned in the corresponding reception zone. Brief description of the figures The aims, aspects and advantages of the present invention will be better understood from the description given below of a particular embodiment of the invention presented by way of non-limiting example, with reference to the appended drawings in which: [Fig.l] is a perspective view of a portable vacuum cleaner comprising a technical unit according to one embodiment of the invention; [Fig.2] is a sectional representation along the vertical section plane along line II-II of the vacuum cleaner of [Fig.l]; [Fig. 3] is an exploded perspective view of the technical unit and a handle unit of the portable vacuum cleaner of Figures 1 and 2 in which a cover of a rear face of a main body of the technical unit is omitted; [Fig.4] is an exploded perspective view from behind of the technical unit and a handle unit of the portable vacuum cleaner of Figures 1 and 2 in which a cover of a rear face of a main body of the technical unit and a rear shell of the handle are omitted;

[0053] [Fig.5] is a front perspective view of the technical block of Figures 1 to 4;

[0054] [Fig.6] is a perspective view from behind of the technical block of Figures 1 to 5;

[0055] [Fig.7] is a sectional view along the vertical section plane along line VILVII of the technical block of [Fig.5];

[0056] Only the elements necessary for understanding the invention have been shown. To facilitate reading of the drawings, the same elements bear the same references from one figure to another.

[0057] It will be noted that in this document, the terms “horizontal”, “vertical”, “lower”, “upper”, “high”, “low”, “front”, “rear”, “longitudinal”, “transverse” used to describe the portable vacuum cleaner refer to this device in use. Thus a rear part will be located closer to the user than a front part, a lower part will be located closer to the ground than a high part.

[0058] Furthermore, the terms "internal" and "external" or "interior" and "exterior" are defined relative to a central axis of the handheld vacuum cleaner. An internal or interior element or face is positioned closer to the central axis than an external or exterior element or face. More generally, an internal or interior element will be housed in an internal volume of the vacuum cleaner delimited by a wall of the vacuum cleaner and an external or exterior element will be housed in a volume external to the vacuum cleaner, i.e., on the outside of the wall delimiting the internal volume.

[0059] [Fig. 1] represents a portable vacuum cleaner 2 comprising a technical unit 6, a handle unit 8, a waste separation device 10 and an energy storage system 12.

[0060] The technical block 6 is configured to be fixed to the handle block 8 during an assembly phase of the vacuum cleaner.

[0061] As visible in figures 2 and 3, the technical block 6 comprises a main body 14 receiving a motor assembly 16 and an electronic card 18 for controlling the vacuum cleaner.

[0062] The technical block 6 also comprises a cable support part 20 and a power connector 22 suitable for being connected to the energy storage system 12.

[0063] As seen in more detail in [Fig.6], the technical block 6 also comprises a set of first electrical cables 24A, 24B extending from the motor assembly 16 to the power connector 22 via the cable support part 20.

[0064] The technical block 6 also comprises a man-machine interface 28, visible in [Fig. 3], positioned on an outer face 30 of the main body 14. The man-machine interface 28 is arranged on an upper part of the outer face 30.

[0065] The technical block 6 advantageously comprises a set of second cables electrical 32A, 32B, visible in [Fig.6], extending from the electronic control card 18 to the power connector 22 via the cable support part 20.

[0066] The technical block 6 advantageously comprises a set of third electrical cables 34 extending from the electronic control card 18 to the power supply connector 22 via the cable support part 20.

[0067] The technical block 6 advantageously comprises a removable cover 35 which is removably fixed to the main body 14.

[0068] The removable cover 35 is arranged on a rear face of the main body 14 facing the user when he carries the vacuum cleaner via the handle unit 8. The cover 35 is a cover for closing the rear face.

[0069] The handle block 8, shown in [Fig. 3], forms a housing or main member of the portable vacuum cleaner 2 suitable for accommodating the technical block 6 and advantageously also the waste separation device 10 and the energy storage system 12.

[0070] The handle block 8 comprises a handle 38 and a housing 40 for receiving the main body 14.

[0071] The receiving housing 40 of the main body is delimited by a wall of generally cylindrical shape suitable for receiving at least partially the main body 14 and positioned above the handle 38.

[0072] Advantageously, the handle block 8 comprises a protective upright 41 positioned parallel to the handle 38, in front of the handle 38.

[0073] The handle block 8 also comprises a housing 42 for receiving the waste separation device 10 and a base 44 for receiving the energy storage system 12.

[0074] The handle block 8 also comprises an air suction duct 46.

[0075] Advantageously, the waste separation device 10 and the energy storage system 12 are removably attached to the handle block 8 and in particular respectively in the housing 42 for receiving the waste separation device and on the reception base 44.

[0076] The handle 38 extends between the receiving housing of the main body 40 and the receiving base 44.

[0077] The upright 41 extends between the receiving base 44 and the air suction duct 46.

[0078] As seen in [Fig.2], the waste separation device 10 is advantageously gentely of the cyclonic type, and notably comprises a waste storage container 50, and a separator filter 52 housed in the waste storage container 50. The waste storage container 50 more particularly comprises an air inlet opening 54 and an air outlet orifice 56.

[0079] The air intake opening 54 is fluidically connected to the suction duct air 46.

[0080] The energy storage system 12 is for example a rechargeable battery, configured to electrically power the technical unit 6. The energy storage system 12 is advantageously housed on the reception base 44.

[0081] The main body 14 is configured to, during the assembly phase of the vacuum cleaner 2, be fixed in the housing 40 for receiving the main body 14.

[0082] The main body 14 comprises an air exhaust circuit 57 through which the air flow generated by the engine assembly 16 is discharged towards the outside of the main body 14 and in particular towards the rear of the main body 14.

[0083] The main body 14 is generally cylindrical in shape and is positioned above the cable support part 20.

[0084] The main body 14 comprises an external casing 58 visible in [Fig.3].

[0085] As shown in [Fig.4], the main body 14 also comprises elements 59 for fixing the main body 14 to the housing 40 for receiving the main body. The fixing elements 59 are advantageously accessible to an operator after removal of the cover 35 from the rear face. The fixing elements 59 are, for example, orifices suitable for cooperating with axial projections 60 formed at the receiving housing 40 and extending in a direction of assembly of the main body 14 to the receiving housing 40.

[0086] The motor assembly 16 forms a suction motor which comprises a motor housing 61 and a motor-fan 62 arranged in the motor housing 61. In known manner, the motor-fan 62 comprises a fan and an electric motor configured to drive the fan in rotation.

[0087] The motor assembly 16 further comprises an air inlet orifice 64 and an air discharge orifice 66 which are advantageously provided on the motor casing 61.

[0088] The air inlet orifice 64 of the suction motor 6 is fluidically connected to the air outlet orifice 56 of the waste separation device 10 when the latter is received in the housing 42.

[0089] The air discharge port 66 is fluidically connected to the air exhaust circuit 57.

[0090] According to the embodiment shown in the figures, the waste separation device 10 and the motor assembly 16 extend along a common extension axis A.

[0091] The electronic card 18 for controlling the vacuum cleaner is capable of being electrically powered via the second electrical cables 32A, 32B.

[0092] The electronic card 18 is suitable for being electrically connected to a button 68 for controlling the vacuum cleaner and to the energy storage system 12 to respectively receive information relating to a position of the control button and to a state of charge of the battery and to control the operation of the vacuum cleaner according to this information.

[0093] The electronic card 18 is also electrically connected to the motor assembly 16 to control it.

[0094] The electronic card 18 is also capable of controlling the power supply of a brush integrated in a suction head via electrical cables 70 extending between the card 18 and connectors 72 integrated at the inlet of the suction duct 46.

[0095] The electronic card 18 preferably belongs to the human-machine interface 28 so that it is capable of controlling display members of the human-machine interface 28 and of receiving user commands via the human-machine interface 28.

[0096] The cable support part 20 is suitable during the assembly phase to be fixed inside the handle 38.

[0097] More precisely, the handle 38 comprises a front shell 38A and a rear shell 38B, visible in [Fig.3], suitable for being assembled and the front shell 38A comprises a recess 80 for receiving the cable support part 20.

[0098] As visible in [Fig.6], the cable support part 20 comprises elements 82 for securing the cable support part 20 to a rear face of the front shell 3 8A.

[0099] Advantageously, the cable support part 20 is suitable for being clipped into the front shell of the handle 38 and the securing elements 82 are clips suitable for cooperating with reliefs formed in the front shell 38A.

[0100] As visible in [Fig.6], the cable support part 20 comprises elements 84 for holding the first 24A, 24B, second 32A, 32B and third 34 electric cables.

[0101] The holding elements 84 advantageously comprise hooks 86 defining cable passages between the power connector 22 and the main body 14.

[0102] More precisely, in the example shown in the figures, the holding elements 84 comprise two groups of hooks 86 located on either side of a median vertical plane of the support part 20 and each group of hooks comprises a first and a second hook located one above the other.

[0103] Thus the first 24A, 24B, second 32A, 32B and third 34 electric cables are held between the hooks 86, a front wall 88 and a lateral side 89 of the support part 20.

[0104] The holding elements 84 also comprise members 90 for clamping the first 24A, 24B, second 32A, 32B and third 34 electric cables, advantageously positioned in the upper part of the support part 20 and each defining an opening 92 for the passage of the cables in a substantially vertical direction.

[0105] The cable support part 20 also comprises a housing 94 for receiving an electronic card 96 for supporting the control button 68 of the vacuum cleaner, such as a micro-switch, capable of cooperating with an actuator, such as a trigger 98 mounted on the handle 38.

[0106] The cable support part 20 also comprises a housing 100 for receiving a protective element 102 against electrostatic discharges. The protective element 102 is electrically connected to the electronic card 96 and is suitable for being in contact with the user's hand when using the vacuum cleaner via, for example, a slot provided in the front shell 38A of the handle 38. Advantageously, the protective element 102 serves to guide / decode the cable support part 20 in the handle 38 during assembly via its cooperation with the slot.

[0107] The cable support part 20 comprises at least one guide / code-breaking element 104 suitable for cooperating with the rear face of the front shell 38A to ensure correct positioning of the cable support part 20 in the recess 80 for receiving the cable support part during the assembly phase. The guide / code-breaking element 104 is for example an orifice suitable for cooperating with an axial projection formed on the rear face of the front shell 38A.

[0108] The cable support piece 20 is attached to the power connector 22 only via the electrical cables extending between the cable support piece 20 and the power connector 22.

[0109] Similarly, the cable support part 20 is attached to the main body 14 only via the electrical cables extending between the cable support part 20 and the main body 14.

[0110] Alternatively, the technical block comprises a part for attaching the cable support part 20 to the main body 14, such as a plastic or metal blade, the blade preferably being flexible.

[0111] As visible in [Fig.7], the power connector 22 comprises an element 110 for connection to the energy storage system 12, such as a set of connection pins and an electronic interconnectivity card 112 receiving the connection element 110 and advantageously means for connecting the first, second and third electrical cables.

[0112] The human-machine interface 28 comprises information display members such as the battery level and / or a filter clogging indicator and members for controlling the operation of the vacuum cleaner, such as adjustment buttons suitable for being manipulated by the user.

[0113] As seen in [Fig. 3], the human-machine interface 28 forms a guide rib 114 suitable for cooperating with a groove 116 of the receiving housing 40 during the assembly phase. The groove 116 is advantageously formed in a wall su- exterior of the reception accommodation 40.

[0114] The human-machine interface 28 projects from the external casing 58 so as to form the guide rib 114 suitable for guiding the main body 14 into the receiving housing 40 of the main body during the assembly phase.

[0115] The human-machine interface 28 also comprises on a front side a notch 120 for receiving an axial projection 122 formed in the groove 116 of the receiving housing 40 of the main body.

[0116] The axial projection 122 is suitable for receiving a reversible fixing system for the waste separation device 10 to the handle block 8.

[0117] The base 44 comprises a rear face provided with a recess 130 for the passage of the first electrical cables 24A, 24B during the assembly phase. The recess 130 delimits a reception zone 132 for the electronic interconnectivity card 112.

[0118] The air exhaust circuit 57 comprises, for example, an air diffusion nozzle 140 having a generally cylindrical shape.

[0119] The air diffusion nozzle 140 comprises an internal chamber 142 into which the air discharge orifice 66 of the motor assembly 16 opens axially, and also lateral openings provided on a lateral surface, which is generally cylindrical, of the air diffusion nozzle 140.

[0120] The air exhaust circuit 57 is also equipped with a filter 146 which has a cylindrical cartridge shape and laterally envelops the air diffusion nozzle 140. Advantageously, the air diffusion nozzle 140, the filter 146 and the motor assembly 16 are arranged coaxially.

[0121] The air diffusion nozzle 140 is configured to diffuse the air flow generated by the engine assembly 16 towards the filter 146 and then towards the outside of the main body 14.

[0122] The removable cover 35 is configured to prevent access to the filter 146 when the removable cover 35 is attached to the main body 14 and to allow access to the filter 146 when the removable cover 35 is removed.

[0123] The assembly of the vacuum cleaner 2 will now be described.

[0124] During an initial step, the technical block 6 and the grip block 8 are provided to an operator to carry out the assembly.

[0125] Then, the main body 14 is positioned in the receiving housing 40 of the main body. For this purpose, the human-machine interface 28 is slid into the groove 116. A translational movement of the human-machine interface 28 in the groove 116 of the receiving housing 40 is carried out.

[0126] Then during a following step the main body 14 is fixed to the receiving housing 40 via the fixing elements 59. Advantageously during this step, the cover 35 is removed from the rear face of the main body 14 and the operator then accesses the fixing elements which he manipulates to carry out the fixing operation. Then the operator repositions the cover 35 on the rear face.

[0127] Next, the cable support part 20 is positioned inside the handle 38 at the recess 80. Advantageously, during this step an upper portion of the electronic interconnectivity card and a lower portion of the first electrical cables are inserted into the handle block 8 through the recess 130. Then, the electronic interconnectivity card 112 is positioned in the receiving zone 132.

[0128] Advantageously, the cable support part 20 is secured to the front shell 38A via the securing elements 82.

[0129] In a following step, the rear shell 38B is assembled with the front shell 38A.

[0130] Then a step of fixing the storage system 12 to the base 44 is carried out.

[0131] Finally, the waste separation device 10 is fixed to the handle block 8 at the housing 42 so that the reversible fixing system cooperates with the waste separation device 10.

[0132] Of course, the invention is in no way limited to the embodiment described and illustrated, which has been given only as an example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims

Claims

1. Technical block (6) for a portable vacuum cleaner (2) comprising a main body (14) receiving a motor assembly (16), the technical block being configured to, during an assembly phase of the portable vacuum cleaner (2), be fixed to a handle block (8) comprising a handle (38) and a housing (40) for receiving the main body, characterized in that the technical block (6) also comprises a man-machine interface (28) positioned on an outer face of the main body (14) and in that the man-machine interface (28) forms a guide rib (114) capable of cooperating with a groove (116) of the receiving housing (40) during the assembly phase.

2. Technical unit for a portable vacuum cleaner according to claim 1, characterized in that the main body (14) comprises an external casing (58) and in that the human-machine interface (28) projects from the external casing (58) so as to form the guide rib (114) capable of guiding the main body (14) into the housing (40) for receiving the main body during the assembly phase.

3. Technical unit for a portable vacuum cleaner according to any one of the preceding claims, characterized in that the human-machine interface (28) is arranged on an upper part of the outer face.

4. Technical unit for a portable vacuum cleaner according to any one of the preceding claims, characterized in that the human-machine interface (28) comprises on a front side a notch (120) for receiving an axial projection (122) formed in the groove (116) of the housing (40) for receiving the main body.

5. Technical unit for a portable vacuum cleaner according to any one of the preceding claims, characterized in that the technical unit (6) comprises: - a cable support part (20); - a power connector (22) suitable for being connected to an energy storage system (12) of the vacuum cleaner; - a set of electric cables (24A, 24B, 32A, 32B, 34) extending from the main body (14) to the power connector (22) via the cable support part (20), the cable support part (20) comprising elements (84) for holding the electric cables; the cable support part (20) being suitable during the assembly phase to be fixed inside the handle (38).

6. Technical unit for a portable vacuum cleaner according to any one of the preceding claims, characterized in that the main body (14) comprises a filter (146) positioned at the outlet of the motor assembly (16) and a removable cover (35) for closing a rear face of the main body (14) via which the filter (146) is accessible to a user.

7. Technical unit for a portable vacuum cleaner according to the preceding claim, characterized in that the main body (14) comprises fixing elements (59) for fixing the main body (14) to the housing (40) for receiving the main body, the fixing elements (59) being accessible to an operator after removal of the removable cover (35) from the rear face.

8. Portable vacuum cleaner comprising a technical unit (6) and a handle unit (8), characterized in that the technical unit (6) is according to any one of the preceding claims, and in that the handle unit (8) comprises a handle (38) and a housing (40) for receiving the main body (14), the human-machine interface (28) being arranged in the groove (116) of the receiving housing (40).

9. Portable vacuum cleaner according to claim 8, characterized in that the technical block (6) is according to claim 4 and in that the axial projection (122) is suitable for receiving a reversible fixing system of a waste separation device (10) to the handle block (8).

10. Method for mounting a portable vacuum cleaner, characterized in that the mounting method comprises the following steps: - a) providing a technical unit (6) according to any one of claims 1 to 7 and a handle unit (8) comprising a handle (38) and a housing (40) for receiving the main body (14); - b) positioning the main body (14) in the housing (40) for receiving the main body via a translational movement of the human-machine interface (28) in the groove (116) of the housing for receiving the main body; - c) fixing the main body (14) to the receiving housing (40).

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