Device for supporting plurality of solenoid valves and assembly comprising such device

Abstract

A device for supporting a plurality of solenoid valves (1), the device comprising a first frame (20) and a second frame (22) defining, by complementary shape, a base (24) for receiving the solenoid valves (1), the first frame (20) and / or the second frame (22) having channels (26, 36, 40) allowing the solenoid valves (1) to be connected to fluid circuits and / or electrical circuits, the first frame (20) and / or the second frame (22) is additionally configured to constrain the solenoid valve (1) in the base (24) opposite the channel (26, 36, 40) by elastic deformation.

Description

Technical Field

[0001] The utility model relates to a device for supporting a plurality of electromagnetic valves, in particular for motor vehicles. Background Art

[0002] In the automotive sector, it is known to integrate solenoid valves in circuits for supplying nozzles which are used for cleaning various parts or components of the vehicle, in particular cameras and / or sensors.

[0003] It may be desirable to incorporate the solenoid valves into a common support which is then secured in position in the vehicle.

[0004] Firstly, it is difficult to ensure that the solenoid valve is properly retained in the support, in the face of unavoidable manufacturing costs.

[0005] It is also difficult to provide a simple and strong support that can be easily adjusted to the hydraulic configuration and the environment in which the solenoid valve is to be used, in particular the available space and the fixing means. Utility Model Content

[0006] The purpose of the present utility model is to at least partially overcome the above-mentioned difficulties. To this end, a device for supporting a plurality of solenoid valves is proposed, wherein the device comprises a first frame and a second frame, wherein the complementary shapes of the first frame and the second frame define a recess for accommodating the solenoid valves, wherein the first frame and / or the second frame have a channel allowing the solenoid valves to be connected to a fluid circuit and / or an electric circuit, and the first frame and / or the second frame are also configured to place the solenoid valves in the recess facing the channel under tension through elastic deformation.

[0007] This structure consisting of two parts mounted one on the other provides a simple and robust solution. Furthermore, the support device according to the invention makes it possible to properly retain the solenoid valves in the recesses that house them, by the expected elastic deformation.

[0008] According to other features of the utility model, these features can be used alone or in any technically feasible combination to form many embodiments of the utility model:

[0009] The first frame and the second frame are snap-fastened to each other,

[0010] The device also comprises fastening means for fastening to a support,

[0011] The fastening means comprise at least one hole, referred to as the lower hole, on the first frame and at least one hole, referred to as the upper hole, on the second frame, said upper and lower holes facing each other so as to form a through hole for fastening to a fastening member of the support,

[0012] The device also has a vibration damper,

[0013] The damper passes through the through hole so as to contact the first and second frames,

[0014] The damper has a cutout for the fastening member to pass through,

[0015] said damper comprising a rigid pin provided with said cutout, and a vibration absorbing element carried by the pin and adapted to interact with said first and second frames,

[0016] The upper hole and the lower hole have a lateral opening profile for mounting the damper,

[0017] The complementary shapes of the first frame and the second frame define one of the channels allowing the solenoid valve to be connected to a fluid circuit and / or an electrical circuit,

[0018] The frames are configured so that one frame abuts against the other frame to place the solenoid valve under tension,

[0019] One of the frames includes a first elastically deformable pressing portion for placing the solenoid valve under tension against a first reference surface on the other frame,

[0020] The first frame includes a second elastically deformable pressing portion for placing the solenoid valve under tension against a second reference surface on the first frame,

[0021] The second frame includes a third elastically deformable pressing portion for placing the solenoid valve under tension against a third reference surface on the second frame,

[0022] The first, second and / or third pressurizing portions include flexible protrusions configured to place the solenoid valve under tension against the first, second and / or third reference surfaces, respectively,

[0023] The first, second and / or third reference surfaces are located opposite to the first, second and / or third flexible protrusions, respectively.

[0024] The first framework includes:

[0025] The lower surface is provided with: a base for accommodating a main body portion of one or more solenoid valves; and a raised portion relative to the base for accommodating a fluid distribution portion of one or more solenoid valves,

[0026] a surface, referred to as a fluid distribution surface, which is provided with one of said channels, and / or

[0027] a first upper surface provided with another of said channels,

[0028] The base has a support surface for the body portion,

[0029] The raised portion has one or more brackets for accommodating the fluid flow portion.

[0030] The channel in the upper surface is configured to extend toward the main body portion and the dispensing portion,

[0031] The first frame, in particular the upper surface, comprises a first flexible protrusion for abutting against the dispensing portion,

[0032] said upper surface having one or more centering fingers for interacting with the second frame,

[0033] The first frame in particular comprises one or more snap-on fastening tabs thereon,

[0034] one or more snap fastening tongues for interacting with holes in the second frame and / or snap fastening arms of the second frame,

[0035] The second frame has:

[0036] an end wall surface, for facing the end wall of the main body portion,

[0037] a second upper surface, for facing the upper portion of the main body portion, and / or

[0038] a side, located on either side of the stack formed by the solenoid valves,

[0039] The second upper surface has a support surface for a surface portion of the first frame,

[0040] The end wall surface has a second flexible protrusion for abutting against the end wall of the main body portion,

[0041] The second upper surface has a third flexible protrusion for abutting against an upper portion of the main body portion.

[0042] The utility model also relates to the device as described above and an assembly of a plurality of solenoid valves contained in the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Other features and advantages of the present invention will become apparent from the following description with reference to the accompanying drawings, in which:

[0044] Figure 1 is a perspective view of an example of an assembly of a support device and a plurality of solenoid valves according to the present invention;

[0045] Figure 2 yes Figure 1 Exploded view of;

[0046] Figure 3 yes Figure 1 a perspective view of a first frame of the support device shown;

[0047] Figure 4 yes Figure 1 a perspective view of the second frame of the support device shown;

[0048] Figure 5 is shown for installation Figure 1 A perspective view of a first step of assembly;

[0049] Figure 6 is shown for installation Figure 1 A perspective view of a second step of the assembly;

[0050] Figure 7 is shown for installation Figure 1 A perspective view of a third step of the assembly;

[0051] Figure 8 is shown for installation Figure 1 A perspective view of the fourth step of assembly. DETAILED DESCRIPTION

[0052] like Figure 1 and 2 As shown, the utility model relates to a device for supporting an assembly formed by a plurality of solenoid valves 1. The device shown in the figure can accommodate four solenoid valves 1, but the utility model is also applicable to more or less solenoid valves.

[0053] The device is used in particular in motor vehicles. The solenoid valve 1 is used, for example, for integration in a circuit for supplying nozzles for cleaning various parts or components of a vehicle, in particular for cleaning cameras and / or sensors.

[0054] The solenoid valve 1 comprises, for example, a main body portion 2 and a fluid dispensing portion 4. The main body portion 2 is used to accommodate an electric actuator not shown. The solenoid valve 1 allows or prevents the dispensing of fluid in a circuit in which the solenoid valve 1 is integrated. In this case, the fluid dispensing portion 4 has a fluid communication hole 6 and a fluid dispensing outlet 8.

[0055] The solenoid valves 1 are configured such that fluid is distributed in the distribution portion 4 of the solenoid valve assembly by passing through the communication hole 6 from an inlet hole 10 of one of the solenoid valves 1 .

[0056] The solenoid valves 1 are arranged in a row, for example. The inlet opening 10 is located in one of the solenoid valves at one end of the row. The solenoid valves 1 are positioned adjacent to each other in parallel, with the dispensing portions 4 facing the same side.

[0057] The main body 2 includes a cylinder 12 and a support frame 14 for accommodating the cylinder 12, and the electric actuator is accommodated in the cylinder 12. The support frame 14 includes an end wall surface of the main body 2, and two side surfaces, the cylinder 12 rests on the end wall surface, and the longitudinal ends of the cylinder 12 open to the two side surfaces.

[0058] The body part 2 further comprises an electrical connector 16, which in this case is mounted to the support frame 14 on one of its sides, in particular to the upper part of the body part 2. The electrical connector 16 has a connection interface configured for a connection movement oriented substantially along a direction substantially parallel to the longitudinal axis of the cylinder 12, the connection interface being located in the middle part of the cylinder 12.

[0059] The distribution part 4 comprises distribution chambers, which in this case continue the cylindrical body 12. Each of these distribution chambers is aligned one after another along a direction substantially orthogonal to the longitudinal axis of the cylindrical body 12, and the alignment formed in this way has a fluid inlet hole 10 at one end thereof and a stopper 11 at the other end thereof. The communication holes 6 are located at two opposite ends of the distribution chambers along a direction substantially orthogonal to the longitudinal axis of the cylindrical body 12 and enable the fluid to flow from one solenoid valve 1 to another. The fluid distribution outlet 8 comprises a channel connected to the distribution chambers, which is located between each of their communication holes 6. In this case, each of the channels extends along the longitudinal axis of the cylindrical body 12 of the corresponding solenoid valve.

[0060] It can be noted that the solenoid valves 1 are fixed in position relative to each other, in particular at the communication hole 6, and form a relatively rigid unit. Thus, the position of one of the solenoid valves affects the position of the other solenoid valve with limited play. In addition, the solenoid valves 1 are all identical, at least in terms of their external shape.

[0061] In order to accommodate the solenoid valve 1, the support device according to the present invention comprises a first frame 20 and a second frame 22, preferably in one piece, whose complementary shapes define a recess 24 for accommodating the solenoid valve 1. In other words, in the example shown, four recesses 24 are provided, that is, one recess is provided for each solenoid valve.

[0062] The first frame 20 and the second frame 22 have channels allowing the solenoid valve 1 to be connected to a fluid circuit and / or an electrical circuit, and are further configured to place the solenoid valve under tension in the recess facing the channel by elastic deformation.

[0063] By holding the solenoid valves in position in the recesses provided, and by the positioning of the electrical and hydraulic interfaces of the solenoid valves ensured by this holding in position, the support device according to the invention makes it easier to connect the solenoid valves to the circuits in which they are integrated, while still allowing them to be installed quickly and reliably.

[0064] The first and second frames 20 , 22 are made of, for example, a plastic material, in particular a thermoplastic material, such as polyamide.

[0065] Advantageously, similar to the illustrated embodiment, the first and / or second frames 20 , 22 are also configured to allow fluid communication between the solenoid valves 1 , in particular by allowing interconnection of their adjacent communication holes 6 .

[0066] Preferably, the complementary shapes of the first frame 20 and the second frame 22 define one of said channels 26. The inlet hole 10 opens into the channel. The first frame 20 and the second frame 22 may define such a channel symmetrically at the stopper 11.

[0067] from Figure 3 As can be better seen in FIG. 1 , the first frame 20 includes a lower surface 28, a surface 34 and a first upper surface 38; the lower surface 28 is provided with a base 30 and a raised portion 32 relative to the base 30; the surface 34 is called a fluid distribution surface and is provided with one of the channels 36; the first upper surface 38 is provided with another of the channels 40 (see FIG. 1 ). Figure 1 The dispensing face 34 is attached to the lower surface 28 at a first end edge of the raised portion 32 by opposite edges and to the upper surface 38 at a first end edge of the upper surface 38 .

[0068] The base 30 is used to accommodate the body part 2 of one or more solenoid valves 1. More specifically, in this case, the base 30 has a support plane for the body part 2, in particular its end wall defined by the support frame 14. Advantageously, as in the example shown, the support plane is shared by all the solenoid valves 1, so that all the solenoid valves 1 are located at the same level in the same plane.

[0069] Furthermore, in this case, the base 30 comprises partitions 50 between adjacent solenoid valves 1. The partitions extend parallel to each other perpendicular to the support plane. One of the partitions has support ribs 52 for laterally positioning the unit of the solenoid valve 1. In this case, the support ribs 52 extend on the side of the partition 50 in a direction substantially parallel to the longitudinal axis of the main body 2.

[0070] Each of the raised portions 32 is used to accommodate the fluid dispensing portion 4 of one of the solenoid valves 1. The raised portion 32 has a bracket 42, which is provided with a support rib 44 for the lower surface of the fluid dispensing portion 4, in particular for the dispensing chamber thereof. The bracket 42 has a generatrix extending in a direction substantially parallel to the longitudinal axis of the main body portion 2. The support ribs 44 have the same orientation. The brackets 42 are interconnected by a flat portion 46 substantially parallel to the support plane of the base 30.

[0071] The communication hole 6 is in line with the flat portion 46. The protruding portion accommodating the solenoid valve 1 provided with the inlet hole 10 and / or the stopper 11 also has a flat portion 46 in line with the inlet hole 10 and / or the stopper 11.

[0072] The passage 36 in the distribution surface 34 is used to accommodate the fluid distribution hole 8 of the solenoid valve 1. The bracket 42 opens into the passage 36 in the distribution surface 34 at the first end edge of the raised portion 32.

[0073] At its second end edge, opposite to said first end edge of said raised portion 32, said raised portion 32 has a stop 48 for the body portion 2. Said stop 48 is defined by a plane which orthogonally connects the support plane of the base 30 on the one hand and the bracket 42 and the flat portion 46 on the other hand. Said stop 48 serves as a support point for the lower part of one of the side faces of the support frame 14.

[0074] For each of the solenoid valves 1 , the channel 40 in the upper surface 38 is configured to extend facing the main portion 2 and the dispensing portion 4 .

[0075] Advantageously, the upper surface 38 comprises a first flexible protrusion 54, such as Figure 1 and 2 As shown, the protrusion is used to abut against the dispensing part 4, in particular vertically against the upper part of the dispensing part 4, in this case, the upper part of the dispensing part 4 has a rounded shape facing the first flexible protrusion 54, so as to be able to make line contact with the first flexible protrusion 54. The first flexible protrusion 54 thus presses the dispensing part 4 of the solenoid valve 1 into the bracket 42.

[0076] The upper surface 38 also has one or more centering fingers 56 for interacting with the second frame 22, in particular at the first hole 60 (see Figure 6 The centering finger 56 extends substantially along the longitudinal axis of the body portion 2 towards the second frame 22 .

[0077] The first flexible protrusion 54 extends on a first portion of the upper surface 38 substantially parallel to the lower surface 28, and the centering finger 56 extends on a second portion of the upper surface perpendicular to the first portion of the upper surface 38. The channel 40 in the upper surface 38 extends at these two portions of the upper surface to accommodate the electrical connector 16 of the solenoid valve 1.

[0078] The first frame 20 also includes one or more first snap-fastening tongues 58 on its upper surface 38, in particular on the second portion of the upper surface 2. The one or more first snap-fastening tongues 58 are used to engage with the second holes 61 (see FIG. Figure 6 They extend substantially parallel to said support plane of the base 30 of the lower surface 28.

[0079] The first frame 20 further comprises one or more second snap-fastening tongues 62. In this case, a first of the second snap-fastening tongues 62 is formed by a snap-fastening hook on the side of the first frame 20, below the flat portion 46 for accommodating the fluid inlet opening 10. Identical hooks, not shown, are symmetrically arranged on the opposite side of the first frame 20. The one or more second snap-fastening tongues 62 serve to enable snap-fastening of the snap-fastening arms 64 of the second frame 22.

[0080] from Figure 4 As can be clearly seen in the figure, the second frame 22 has: an end wall surface 70, which faces the end wall of the main body 2; a second upper surface 72, which faces the upper part of the main body 2; and a side surface 74, which is located on either side of the solenoid valve unit 1. The side surface 74 is connected by the end wall surface 70 and the upper surface 72.

[0081] The second upper surface 72 and the first upper surface 38 of the first frame 20 are continuous with each other.

[0082] Advantageously, said second upper surface 72 has a protrusion 73 for receiving said electrical connector 16. It also has a bearing plane 76 for a surface portion 78 of said first frame 20.

[0083] In particular, the support plane 76 has a passage for the electrical connector 16, continuous with the protrusion 73. It also has a first hole 60 for the centering finger 56 and / or a second hole 61 for the first snap-fastening tongue 58 of the first upper surface 38 (see Figure 6 The surface portion 78 is, for example, located between the upper portions of each recess 24 .

[0084] The side faces 74 have snap fastening arms 64. The snap fastening hooks of the first frame 20 are configured to interact with the snap fastening arms 64 by lateral deformation of the arms when the first and second frames 20, 22 are assembled.

[0085] The first snap-fastening tongue 58 in the upper part and the second snap-fastening tongue 62 in the lower part combine to prevent relative movement of the first and second frames 20, 22 along the longitudinal axis of the main body 2 of the solenoid valve. The first snap-fastening tongues 58 also form a stopper together with their corresponding holes 61 in a direction orthogonal to the longitudinal axis of the main body 2.

[0086] Advantageously, the end wall surface 70 has a second flexible protrusion 80 for abutting against the end wall of the body portion 2 in a direction parallel to the longitudinal axis of the body portion 2. The second flexible protrusion 80 in this way presses the solenoid valve 1 longitudinally against the stop 48 defined by the raised portion 32. The second protrusion 80 has a T-shape, in particular an inverted T-shape here.

[0087] The second upper surface 72 has a third flexible protrusion 82, which is used to abut against the upper part of the main body 2, in particular against the side of the support frame 14 carrying the electrical connector 16. The flexible protrusion 82 presses the solenoid valve 1 against the base 30 of the lower surface 28. The third flexible protrusion 82 is on the top surface of the protrusion 73.

[0088] The second and / or third flexible protrusions 80, 82 may have ribs for making line contact rather than surface contact with the facing surfaces, or even point contact if the facing surfaces are also provided with facing ribs.

[0089] Preferably, if Figure 1 and 2 As best shown in , the device also includes means for fastening to a support (not shown), which can be any part of the chassis or other components of the vehicle. The fastening means include at least one hole 90 in the first frame 20, called the lower hole, and at least one hole 92 in the second frame 22, called the upper hole. The upper and lower holes 90, 92 face each other, thereby forming a through hole 94 for fastening to a member (not shown) of the support. The upper and lower holes 90, 92 have, for example, the same shape. Once the device is fastened, the fastening member helps to keep the first and second frames 20, 22 in the appropriate position relative to each other, thereby keeping the solenoid valve 1 in the appropriate position in its recess, in combination with or without the flexible protrusions already described.

[0090] Advantageously, the device also has a vibration damper 96. In this case, the damper 96 passes through the through hole 94 so as to be in contact with the first and second frames 20, 22. The damper 96 has a cutout 98 for the passage of the fastening member. The damper 96 comprises, for example, a rigid pin 100 provided with the cutout 98, and a vibration absorbing element 102 carried by the pin 100 for interacting with the first and second frames 20, 22. In this case, the pin 100 and the vibration absorbing element 102 have a shape that exhibits rotational symmetry.

[0091] The pin 100 has a cylindrical portion provided with a cutout 98 and radially continued at one of its ends by a contact surface with the support, said contact surface taking here the shape of an annulus.

[0092] The absorption element 102 is annular in shape and is mounted on the cylindrical portion of the pin 100 and abuts against the contact surface of the pin 100. In addition, the absorption element 102 has an annular groove 104 on the outer side wall for interacting with the edges of the upper and lower holes 90, 92.

[0093] Preferably, the upper and lower holes 90 , 92 have a lateral opening profile for mounting the damper 96 .

[0094] In the example shown, as described above, three pairs of upper and lower holes 90, 92 are provided. The lower holes 90 are provided in flanges starting from the end wall edge and the opposite side edge of the base 30 of the lower surface 28. The upper holes 92 are provided in flanges starting from the side 74 and the lower edge of the end wall surface 70. In this case, the flanges extend parallel to the support plane defined by the base 30, and the through holes 94 are oriented for fastening in a direction orthogonal to the plane. A different number of flanges and different fastening orientations are naturally possible without departing from the scope of the invention.

[0095] like Figure 5 As shown in the following figures, the installation of the assembly formed by the support device and the solenoid valve 1 will now be described.

[0096] like Figure 5 As shown, first, the solenoid valves 1 pre-assembled into a unit are installed at their respective recesses 24 in the first frame 20 .

[0097] like Figure 6 As shown, the second frame 22 is then fastened to the first frame 20 by snap fastening. This results in the solenoid valve 1 being held in place in the support device for the first time. The various fluid holes 8, 10 and electrical connection interfaces are then in place in the channels 26, 36, 40 respectively for them. The upper and lower holes 90, 92 face each other.

[0098] like Figure 7 As shown, the absorbent element 102 is then inserted into the upper and lower holes 90, 92.

[0099] like Figure 8 As shown, the corresponding pins 100 are finally inserted into the absorbing element 102. This prevents them from moving in the upper and lower holes 90, 92 and helps to lock the first and second frames 20, 22 together.

[0100] As described above, it should be understood that according to a preferred embodiment of the utility model, the frames 20, 22 are configured so that one of the frames is pressed against the other frame to place the solenoid valve 1 under tension. To this end, one of the frames advantageously includes a first elastically deformable pressurizing portion for pressing against a first reference surface on the other frame to place the solenoid valve 1 under tension. This feature makes it possible, in particular, to compensate for dimensional variations in the solenoid valve assembly while still maintaining the safety of the assembly. This will be even more useful if the tolerance chain in question includes dimensional tolerances associated with each solenoid valve and also includes tolerances caused by the installation of the assembly. Placing the solenoid valve 1 under tension between the first pressurizing portion and the first reference surface is the result of, for example, snap-fastening the first and second frames 20, 22 together.

[0101] In the example shown, the first pressing portion is on the second frame 22. It is formed by the second flexible protrusion 80. The first reference surface is on the first frame 20. It is formed by the stopper 48.

[0102] Again preferably, the first frame 20 comprises a second elastically deformable pressurizing portion for placing the solenoid valve 1 under tension against a second reference surface on the first frame 20. This feature in particular allows the solenoid valve 1 to be preassembled in the first frame 20 before the second frame 22 is mounted on the first frame 20.

[0103] In the example shown, the second pressing portion is formed by the first flexible protrusion 54 and the second reference surface is formed by the bracket 42 .

[0104] Again preferably, the second frame 22 comprises a third elastically deformable pressing portion for placing the solenoid valve 1 under tension against a third reference surface on the second frame 22. This feature makes it possible in particular to enhance the retention of the body portion 2 of the solenoid valve 1 in place.

[0105] In the example shown, the third pressing portion is formed by a third flexible protrusion 82 , and the third reference surface is formed by the base 30 .

[0106] It can also be noted that, as is the case in the example shown, one of the frames, specifically the second frame 22, carries flexible protrusions 80, 82 for holding the main body 2 in place, while the other frame, specifically the first frame 20, defines most or even all of the channels 26, 36, 40.

[0107] It can also be noted that, as is the case in the example shown, the support means form a substantially parallelepipedal housing and that three faces of this housing, in particular its side faces and its upper face, are defined by the complementary shapes of the first and second frames.

Claims

1. A device for supporting a plurality of solenoid valves, the device comprising a first frame (20) and a second frame (22), the complementary shapes of the first frame (20) and the second frame (22) defining a recess (24) for accommodating the solenoid valve (1), the first frame (20) and / or the second frame (22) having channels (26, 36, 40) allowing the solenoid valve (1) to be connected to a fluid circuit and / or an electrical circuit, characterized in that The first frame (20) and / or the second frame (22) are also configured to place the solenoid valve (1) in the recess (24) facing the channel (26, 36, 40) under tension against a reference surface of the other frame by elastic deformation of a pressurized portion included in one of the frames (20, 22).

2. The device according to claim 1, characterized in that The device also comprises fastening means for fastening to a support, the fastening means comprising: at least one hole (90) on the first frame, referred to as the lower hole, and The at least one hole (92) on the second frame is called the upper hole. The upper hole and the lower hole face each other, thereby forming a through hole (94) for fastening to a fastening member of a support.

3. The device according to any one of the preceding claims, characterized in that The complementary shapes of the first frame (20) and the second frame (22) define one of the channels (26).

4. A device according to any one of the preceding claims, characterised in that The first frame (20) comprises: The lower surface (28) is provided with: a base (30) for accommodating the main body (2) of one or more solenoid valves (1), and a raised portion (32) relative to the base (30), wherein the raised portion (32) is used to accommodate the fluid dispensing portion (4) of the one or more solenoid valves (1), a surface (34), which is called a fluid distribution surface, provided with one of said channels (36), and / or A first upper surface (38) is provided with another of the channels (40).

5. The device according to claim 4, characterized in that The first frame (20) comprises a first flexible protrusion (54) abutting against the dispensing portion (4).

6. The device according to any one of claims 4 and 5, characterized in that The second frame (22) has an end wall surface (70) facing the end wall of the main body (2), a second upper surface (72) facing the upper part of the main body (2), and a side surface (76) located on either side of the stacked body formed by the solenoid valve (1), and the side surface (76) is connected to the end wall surface (70) and the second upper surface (72).

7. The device according to claim 6, characterized in that The end wall surface (70) has a second flexible protrusion (80) abutting against the end wall of the main body part (2), and / or the second upper surface (72) has a third flexible protrusion (82) abutting against the upper part of the main body part (2).

8. An assembly comprising a device according to any one of claims 1 to 7 and a plurality of solenoid valves (1) accommodated in the device.

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