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), a cable support piece (20), a power connector (22), and a set of first electrical cables extending from the motor assembly (16) to the power connector (22) via the cable support piece (20). The technical block (6) is configured so that, during assembly of the handheld vacuum cleaner (2), it is attached to a handle block (8) comprising a handle (38) and a housing (40) for receiving the main body (14). According to the invention, the cable support piece (20) is designed, during assembly, to be fixed inside the handle (38). Figure for the abstract: Fig. 3

Description

Title of the invention: Technical block for a portable vacuum cleaner, portable vacuum cleaner and method for assembling a portable vacuum cleaner combined technical field

[0001] The present invention relates to the field of handheld vacuum cleaners and, in particular, to the assembly of handheld vacuum cleaners. Such vacuum cleaners generally have a modular assembly structure composed of various sub-assemblies designed to be assembled together during the assembly phase of the handheld vacuum cleaner. To this end, the vacuum cleaner generally comprises a first sub-assembly including a technical unit equipped with a motor assembly and a second sub-assembly including a handle unit designed to be assembled to the technical unit. Prior art

[0002] EP3632284 B1 is known to designate a technical unit for a portable vacuum cleaner comprising a motor assembly and a plurality of electrical power cables extending between the motor assembly and a power connector. Such a technical unit is suitable for assembly with a handle unit. The handle unit comprises a plurality of electrical cables extending between an energy storage system, such as a battery, and an electrical connector suitable for connection to the power connector following an assembly phase of the technical unit to the handle unit.

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

[0004] However, the structure of the technical block and the handle block of EP3632284 B1 is complex, which negatively impacts the reliability and manufacturing cost of such components. 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 block for a portable vacuum cleaner that is easy to assemble and offers reliability and a reduced cost for the portable vacuum cleaner.

[0007] To this end, the invention relates to a technical block for a portable vacuum cleaner comprising: a main body receiving a motor assembly; a cable support piece; a power connector suitable for connection to an energy storage system of the vacuum cleaner; a set of first electrical cables extending from the motor assembly to the power connector via the cable support piece, the cable support piece comprising elements for retaining the The first electrical cables; the technical unit being configured so that, during the assembly phase of the handheld vacuum cleaner, it is attached to a handle unit comprising a handle and a housing for receiving the main body. According to the invention, the cable support piece is designed, during the assembly phase, to be attached inside the handle.

[0008] Thanks to the invention, the technical block integrates all the electrical / electronic functions, and the handle block simply serves as a mechanical interface for connecting the various components of the handheld vacuum cleaner. Thus, the structure of the handle block is simplified, and the reliability of the vacuum cleaner is improved because, unlike the aforementioned prior art, it is not necessary to provide an electrical connection between the handle block and the technical block to power the motor assembly. Furthermore, this integration of electrical / electronic functions optimizes the manufacturing cost of the vacuum cleaner.Furthermore, the technical unit allows for easy mounting on the handle assembly, as the main body is designed to fit into the designated slot on the handle. The support piece facilitates the integration of electrical cables into the handle and ensures the correct positioning of the power connector for connection to the vacuum cleaner's energy storage system, such as a power battery. Additionally, the support piece ensures that the initial electrical cables are securely held during transport of the technical unit and properly positioned during assembly.

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

[0010] According to an advantageous feature of the invention, the main body also includes an electronic control board for the vacuum cleaner and the technical block includes a set of second electrical cables extending from the electronic control board to the power connector via the cable support piece, the cable support piece including elements for retaining the second electrical cables.

[0011] Such an arrangement ensures that the second set of electrical cables is securely held during transport of the technical unit and correctly positioned during assembly. Furthermore, this arrangement ensures that the electronic control board receives power via these second electrical cables.

[0012] According to an advantageous feature of the invention, the cable support piece includes a housing for receiving an electronic support board for at least one vacuum cleaner control button adapted to cooperate with an actuator mounted on the handle.

[0013] Such an arrangement ensures the correct positioning of the control button relative to the actuator during the assembly phase, as well as good support for the control button and the associated electronic board during transport of the technical block.

[0014] According to an advantageous feature of the invention, the cable support piece includes a housing for receiving an element for protection against electrostatic discharge.

[0015] 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.

[0016] According to an advantageous feature of the invention, the main body is generally cylindrical in shape and is positioned above the cable support piece, and the receiving housing of 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.

[0017] Such an arrangement makes it possible to ensure an optimized assembly of the technical block on the handle block.

[0018] According to an advantageous feature of the invention, the handle comprises a front shell and a rear shell adapted to be assembled, the front shell comprising a recess for receiving the cable support piece and the cable support piece comprising elements for securing the cable support piece to a rear face of the front shell.

[0019] Such an arrangement makes it easier to assemble the cable support piece in the handle.

[0020] According to an advantageous feature of the invention, the cable support piece includes at least one guide / keying element adapted to cooperate with the rear face of the front shell to ensure proper positioning of the cable support piece in the cable support piece receiving recess during the assembly phase.

[0021] Such an arrangement ensures the correct positioning of the cable support piece, and therefore of the electrical cables, within the handle, thus optimizing the assembly of the technical unit onto the handle assembly. It also prevents incorrect assembly that could lead to quality problems or even safety issues during the use of the vacuum cleaner.

[0022] According to an advantageous feature of the invention, the main body comprises an air diffusion nozzle and advantageously a filter positioned around the air diffusion nozzle.

[0023] Such an arrangement allows for optimized suction and in particular optimized air circulation while ensuring filtration of the air evacuated from the vacuum cleaner outlet.

[0024] According to an advantageous feature of the invention, the main body includes a filter positioned at the outlet of the motor assembly.

[0025] Such an arrangement makes it possible to optimize the quality of the air expelled from the vacuum cleaner.

[0026] According to an advantageous feature of the invention, the cable support piece is attached to the power connector solely by means of electrical cables extending between the cable support piece and the power connector.

[0027] According to an advantageous feature of the invention: - either the cable support piece is attached to the main body solely by means of electrical cables extending between the cable support piece 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.

[0028] According to an advantageous feature of the invention, the technical block also includes a human-machine interface positioned on an external 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.

[0029] Such an arrangement simplifies the assembly of the vacuum cleaner and ensures guidance of the main body in the main body receiving housing during the assembly phase.

[0030] According to an advantageous feature of the invention, the main body comprises an outer casing and the human-machine interface is projecting from the outer casing so as to form the guide rib suitable for guiding the main body in the main body receiving housing during the assembly phase.

[0031] According to an advantageous feature of the invention, the human-machine interface is arranged on an upper part of the outer face.

[0032] Such an arrangement allows an operator to clearly visualize the guide rib and the groove during the assembly phase, thus simplifying the assembly process. Furthermore, it allows a user to easily view information communicated by the human-machine interface.

[0033] According to an advantageous feature of the invention, the human-machine interface includes on a front side a receiving notch for an axial projection formed in the groove of the receiving housing of the main body.

[0034] Such an arrangement makes it possible to obtain a robust assembly and to concentrate a maximum functionality in close proximity to the human-machine interface.

[0035] According to an advantageous feature of the invention, the handle block includes 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 including a rear face provided with a recess for the passage of the first electrical cables during the assembly phase, the recess delimiting a receiving area for an electronic interconnectivity card of the power connector.

[0036] Such an arrangement makes it easier to integrate the interconnectivity card into the base during the assembly phase.

[0037] The invention also relates to a handheld vacuum cleaner comprising a technical block and a handle block, in which the technical block is as described above and the handle block comprises a handle and a housing for receiving the main body, the cable support piece being fixed inside the handle and the main body being received at least partially in the housing for receiving the main body.

[0038] Such an arrangement makes it easier to assemble the vacuum cleaner with a technical block which groups together all the electrical / electronic functions and the handle block which serves as a mechanical interface for connecting the different elements composing the handheld vacuum cleaner.

[0039] The invention also relates to a method for assembling a portable vacuum cleaner comprising the following steps: - a) the supply of a technical block as described above and a handle block comprising a handle and a housing for receiving the main body; - b) the positioning of the main body in the main body receiving housing; - c) the fixing of the main body to the receiving housing; - d) the positioning of the cable support inside the handle; - e) the attachment of the cable support to the handle.

[0040] Such a process is simple to implement and allows for optimized assembly of the vacuum cleaner and in particular of the technical block on the handle block.

[0041] According to an advantageous feature of the invention, during step b), the main body is positioned in the main body receiving housing via a translational movement of the human-machine interface in the groove of the main body receiving housing.

[0042] According to an advantageous feature 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 receiving area. Brief description of the figures

[0043] The objects, aspects and advantages of the present invention will be better understood from the following description of a particular embodiment of the invention presented by way of non-limiting example, with reference to the accompanying drawings in which:

[0044] The [Fig. 1] is a perspective view of a portable vacuum cleaner comprising a technical block according to an embodiment of the invention;

[0045] The [Fig.2] is a cross-sectional representation along the vertical cutting plane along line II-II of the vacuum cleaner of the [Fig.1];

[0046] Fig. 3 is an exploded perspective view of the technical block and a handle block of the handheld vacuum cleaner of Figures 1 and 2 in which a cover of a rear face of a main body of the technical block is omitted;

[0047] Fig. 4 is an exploded perspective rear view of the technical block and a handle block of the handheld vacuum cleaner of Figures 1 and 2 in which a cover of a rear face of a main body of the technical block and a rear shell of the handle are omitted;

[0048] Fig. 5 is a front perspective view of the technical block of figures 1 to 4;

[0049] Fig. 6 is a rear perspective view of the technical block shown in Figures 1 to 5;

[0050] Fig. 7 is a sectional view along the vertical section plane along line VILVII of the technical block of [Fig.5];

[0051] Only the elements necessary for understanding the invention have been shown. To facilitate reading the drawings, the same elements bear the same reference numerals from one figure to another.

[0052] It should be noted that in this document, the terms "horizontal", "vertical", "lower", "upper", "top", "bottom", "front", "rear", "longitudinal", and "transverse" used to describe the handheld vacuum cleaner refer to the device in use. Thus, a rear part will be located closer to the user than a front part, and a lower part will be located closer to the ground than a higher part.

[0053] Furthermore, the terms "internal" and "external" or "inside" and "outside" are defined with respect 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 within an internal volume of the vacuum cleaner delimited by a wall of the vacuum cleaner, and an external or exterior element will be housed within a volume external to the vacuum cleaner, that is, on the outside of the wall delimiting the internal volume.

[0054] Figure 1 represents a portable vacuum cleaner 2 comprising a technical unit 6, a handle unit 8, a waste separation device 10 and a storage system energy 12.

[0055] The technical block 6 is configured to be attached to the handle block 8 during a phase of assembly of the vacuum cleaner.

[0056] As can be seen in figures 2 and 3, the technical block 6 comprises a main body 14 receiving a motor assembly 16 and an electronic control board 18 for the vacuum cleaner.

[0057] The technical block 6 also includes a cable support piece 20 and a power connector 22 suitable for connection to the energy storage system 12.

[0058] As can be seen in more detail in [Fig.6], the technical block 6 also includes a set of first electrical cables 24A, 24B extending from the motor assembly 16 to the power connector 22 via the cable support piece 20.

[0059] The technical block 6 also includes a human-machine interface 28, visible in [Fig.3], positioned on an outer face 30 of the main body 14. The human-machine interface 28 is arranged on an upper part of the outer face 30.

[0060] The technical block 6 advantageously includes a set of second electrical cables 32A, 32B, visible in [Fig.6], extending from the electronic control board 18 to the power connector 22 via the cable support piece 20.

[0061] The technical block 6 advantageously includes a set of third electrical cables 34 extending from the electronic control board 18 to the power connector 22 via the cable support piece 20.

[0062] The technical block 6 advantageously includes a removable cover 35 which is removably fixed to the main body 14.

[0063] The removable cover 35 is arranged on a rear face of the main body 14 facing the user when carrying the vacuum cleaner via the handle block 8. The cover 35 is a closing cover for the rear face.

[0064] The handle block 8, shown in [Fig.3], forms a housing or main component of the handheld vacuum cleaner 2 suitable for housing the technical block 6 and advantageously also the waste separation device 10 and the energy storage system 12.

[0065] The handle block 8 includes a handle 38 and a housing 40 for receiving the main body 14.

[0066] 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.

[0067] Advantageously the handle block 8 includes a protective post 41 positioned parallel to the handle 38, in front of the handle 38.

[0068] The handle 8 also includes a housing 42 for receiving the waste separation device 10 and a base 44 for receiving the energy storage system 12.

[0069] The handle block 8 also includes an air intake duct 46.

[0070] 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 receiving base 44.

[0071] The handle 38 extends between the receiving housing of the main body 40 and the receiving base 44.

[0072] The amount 41 extends between the receiving base 44 and the air suction duct 46.

[0073] As can be seen in [Fig. 2], the waste separation device 10 is advantageous ugly of cyclonic type, and includes in particular a waste storage container 50, and a separator filter 52 housed in the waste storage container 50. The waste storage container 50 more particularly includes an air inlet opening 54 and an air outlet 56.

[0074] The air intake opening 54 is fluidly connected to the air intake duct 46.

[0075] The energy storage system 12 is, for example, a rechargeable battery, configured to electrically power the technical block 6. The energy storage system 12 is advantageously housed on the base 44.

[0076] The main body 14 is configured so that, during the assembly phase of the vacuum cleaner 2, it is fixed in the housing 40 for receiving the main body 14.

[0077] The main body 14 includes an air exhaust circuit 57 through which the airflow generated by the engine assembly 16 is evacuated to the outside of the main body 14 and in particular to the rear of the main body 14.

[0078] The main body 14 is generally cylindrical in shape and is positioned above the cable support piece 20.

[0079] The main body 14 comprises an outer casing 58 visible in [Fig.3].

[0080] As shown in a [Fig. 4], the main body 14 also includes fastening elements 59 for attaching the main body 14 to the receiving housing 40 of the main body. The fastening elements 59 are advantageously accessible to an operator after removal of the cover 35 from the rear face. The fastening elements 59 are, for example, openings adapted to cooperate with axial projections 60 formed in the receiving housing 40 and extending in an assembly direction from the main body 14 to the receiving housing 40.

[0081] The motor assembly 16 forms a suction motor comprising a motor housing 61 and a motor-fan 62 disposed within the motor housing 61. As is known, the motor-fan 62 comprises a fan and an electric motor configured to drive the fan's rotation.

[0082] The engine assembly 16 further includes an air inlet port 64 and an air outlet port 66 which are advantageously provided on the engine casing 61.

[0083] The air inlet port 64 of the suction motor 6 is fluidly connected to the air outlet port 56 of the waste separation device 10 when the latter is received in the housing 42.

[0084] The air discharge port 66 is fluidly connected to the air exhaust circuit 57.

[0085] 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.

[0086] The vacuum cleaner control electronic board 18 is suitable for being electrically powered via the second electrical cables 32A, 32B.

[0087] The electronic card 18 is suitable for being electrically connected to a control button 68 of the vacuum cleaner and to the energy storage system 12 in order to receive respectively 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.

[0088] The electronic card 18 is also electrically connected to the motor assembly 16 to control it.

[0089] The electronic card 18 is also suitable for controlling the power supply of a brush integrated into a suction head via electrical cables 70 extending between the card 18 and connectors 72 integrated into the inlet of the suction duct 46.

[0090] The electronic card 18 preferably belongs to the human-machine interface 28 so that it is suitable for controlling display elements of the human-machine interface 28 and for receiving user commands via the human-machine interface 28.

[0091] The cable support piece 20 is designed during the assembly phase to be fixed inside the handle 38.

[0092] More specifically, the handle 38 comprises a front shell 38A and a rear shell 38B, visible in [Fig.3], suitable for assembly and the front shell 38A includes an obviously 80 for receiving the cable support piece 20.

[0093] As seen in [Fig.6], the cable support piece 20 includes elements for securing the cable support piece 20 to a rear face of the front shell 3 8A.

[0094] Advantageously, the cable support piece 20 is suitable for being clipped into the front shell of the handle 38 and the fastening elements 82 are clips suitable for cooperating with reliefs formed in the front shell 3 8A.

[0095] As seen in [Fig. 6], the cable support piece 20 includes retaining elements 84 for the first 24A, 24B, second 32A, 32B and third 34 cables electric.

[0096] The retaining elements 84 advantageously include hooks 86 defining cable passages between the power connector 22 and the main body 14.

[0097] More specifically, in the example shown in the figures, the retaining elements 84 comprise two groups of hooks 86 located on either side of a median vertical plane of the support piece 20 and each group of hooks comprises a first and a second hook located one above the other.

[0098] Thus the first 24A, 24B, second 32A, 32B and third 34 electrical cables are held between the hooks 86, a front wall 88 and a side 89 of the support piece 20.

[0099] The retaining elements 84 also include pinching elements 90 for the first 24A, 24B, second 32A, 32B and third 34 electrical cables, advantageously positioned in the upper part of the support piece 20 and each defining an opening 92 for the passage of the cables in a substantially vertical direction.

[0100] The cable support piece 20 also includes a housing 94 for receiving an electronic board 96 for supporting the control button 68 of the vacuum cleaner, such as a micro-switch, suitable for cooperating with an actuator, such as a trigger 98 mounted on the handle 38.

[0101] The cable support piece 20 also includes a housing 100 for receiving a protective element 102 against electrostatic discharge. The protective element 102 is electrically connected to the electronic board 96 and is designed to come into contact with the user's hand when using the vacuum cleaner, for example, via a slot provided in the front shell 38A of the handle 38. Advantageously, the protective element 102 serves as a guide / correction device for the cable support piece 20 in the handle 38 during assembly through its interaction with the slot.

[0102] The cable support piece 20 includes at least one guide / correction element 104 adapted to cooperate with the rear face of the front shell 38A to ensure correct positioning of the cable support piece 20 in the cable support piece receiving recess 80 during the assembly phase. The guide / correction element 104 is, for example, an opening adapted to cooperate with an axial projection formed on the rear face of the front shell 38A.

[0103] The cable support piece 20 is attached to the power connector 22 only by means of the electrical cables extending between the cable support piece 20 and the power connector 22.

[0104] Similarly, the cable support piece 20 is attached to the main body 14 solely by means of the electrical cables extending between the piece and cable support 20 and main body 14.

[0105] Alternatively, the technical block includes a piece for attaching the cable support piece 20 to the main body 14, such as a plastic or metal blade, the blade preferably being flexible.

[0106] As seen in a [Fig.7], the power connector 22 includes an element 110 connection to the energy storage system 12, such as a set of connecting pins and an electronic interconnectivity card 112 receiving the connection element 110 and advantageously means for connecting the first, second and third electrical cables.

[0107] The human-machine interface 28 includes information display elements such as the battery level and / or a filter clogging indicator and control elements for the operation of the vacuum cleaner, such as adjustment buttons suitable for manipulation by the user.

[0108] As can be seen in [Fig. 3], the human-machine interface 28 forms a guide rib 114 designed to cooperate with a groove 116 in the receiving housing 40 during the assembly phase. The groove 116 is advantageously formed in an upper wall of the receiving housing 40.

[0109] The human-machine interface 28 is projecting from the outer 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.

[0110] The human-machine interface 28 also includes 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.

[0111] The axial projection 122 is suitable for receiving a reversible fixing system for the waste separation device 10 to the handle block 8.

[0112] The base 44 includes a rear face with a recess 130 for the passage of the first electrical cables 24A, 24B during the assembly phase. The recess 130 defines a reception area 132 for the interconnectivity electronic board 112.

[0113] The air exhaust circuit 57 includes, for example, an air diffusion nozzle 140 having a generally cylindrical shape.

[0114] The air diffusion nozzle 140 has 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.

[0115] The air exhaust circuit 57 is also equipped with a filter 146 which has a cylindrical cartridge shape and laterally surrounds the air diffusion nozzle 140. Advantageously, the air diffusion nozzle 140, the filter 146 and the motor assembly 16 are arranged coaxially.

[0116] The air diffusion nozzle 140 is configured to diffuse the airflow generated by the motor assembly 16 towards the filter 146 and then out of the main body 14.

[0117] 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.

[0118] The assembly of vacuum cleaner 2 will now be described.

[0119] During an initial step, the technical block 6 and the pignée block 8 are provided to an operator to carry out the assembly.

[0120] Next, 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.

[0121] Then, in a subsequent step, the main body 14 is fixed to the receiving housing 40 via the fastening 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 fastening elements, which he manipulates to perform the fixing operation. The operator then repositions the cover 35 on the rear face.

[0122] Next, the cable support piece 20 is positioned inside the handle 38 at the recess 80. Advantageously, during this step an upper part of the interconnectivity electronic board and a lower portion of the first electrical cables are inserted into the handle block 8 through the recess 130. Then, the interconnectivity electronic board 112 is positioned in the receiving area 132.

[0123] Advantageously, the cable support piece 20 is secured to the front shell 38A via the securing elements 82.

[0124] In a subsequent step the rear shell 38B is assembled with the front shell 38A.

[0125] Next, a step of fixing the storage system 12 to the base 44 is carried out.

[0126] Finally, the waste separation device 10 is fixed to the handle block 8 at the level of the housing 42 so that the reversible fixing system cooperates with the waste separation device 10.

[0127] Of course, the invention is in no way limited to the embodiment described and illustrated, which has been given only by way of example. Modifications remain possible, particularly with regard to the composition of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims

Claims

1. Technical unit (6) for a portable vacuum cleaner (2) comprising: - a main body (14) receiving a motor assembly (16), - 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 first electrical cables (24A, 24B) extending from the motor assembly (16) to the power connector (22) via the cable support part (20), the cable support part (20) comprising elements (84) for holding the first electrical cables; the technical block (6) 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 (14), characterized in that the cable support part (20) is suitable during the assembly phase for being fixed inside the handle (38).

2. Technical unit for a portable vacuum cleaner according to claim 1, characterized in that the main body (14) also comprises an electronic control card (18) for the vacuum cleaner and in that the technical unit (6) comprises a set of second electrical cables (32A, 32B) extending from the electronic control card (18) to the power connector (22) via the cable support part (20), the cable support part (20) comprising holding elements (84) for the second electrical cables.

3. Technical unit for a portable vacuum cleaner according to any one of the preceding claims, characterized in that the cable support part (20) comprises a housing (94) for receiving an electronic support card (96) for at least one control button (68) of the vacuum cleaner capable of cooperating with an actuator (98) mounted on the handle (38).

4. Technical unit for a portable vacuum cleaner according to any one of the preceding claims, characterized in that the cable support part (20) comprises a receiving housing (100) for an element for protection against electrostatic discharges (102).

5. Technical unit for a portable vacuum cleaner according to any one of the preceding claims, characterized in that the main body (14) is of generally cylindrical shape and is positioned above the cable support part (20), and in that 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).

6. Technical unit for a portable vacuum cleaner according to any one of the preceding claims, characterized in that the handle (38) comprises a front shell (38A) and a rear shell (38B) suitable for being assembled, the front shell (38A) comprising a recess (80) for receiving the cable support part (20) and the cable support part (20) comprising elements (82) for securing the cable support part (20) to a rear face of the front shell (38A).

7. Technical unit for a portable vacuum cleaner according to the preceding claim, characterized in that the cable support part (20) comprises at least one guide / foil element (104) capable of cooperating with the rear face of the front shell (3 8 A) to ensure correct positioning of the cable support part (20) in the recess (80) for receiving the cable support part during the assembly phase.

8. Portable vacuum cleaner (2) 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 cable support part (20) being fixed inside the handle (38) and the main body (14) being received at least partially in the housing (40) for receiving the main body.

9. Vacuum cleaner according to claim 8, characterized in that the handle block (8) comprises a base (44) for receiving the energy storage system (12) and in that the handle (38) extends between the receiving housing (40) of the main body and the base (44), the base (44) comprising a rear face provided with a recess (130) for passing the first electrical cables (24A, 24B) during the assembly phase, the recess (130) delimiting a zone for receiving an electronic interconnectivity card (112) of the connector

10. power supply (22). Method of assembling a portable vacuum cleaner (2), characterized in that the assembly method comprises the following steps: - a) the provision of a technical block (6) according to any one of claims 1 to 7 and a handle block (8) comprising a handle (38) and a housing (40) for receiving the main body; - b) positioning the main body (14) in the housing (40) for receiving the main body; - c) fixing the main body (14) to the housing (40) for receiving the main body; - d) positioning the cable support (20) inside the handle (38); - e) fixing the cable support (20) to the handle (38).

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