CN209391704U - Housing unit - Google Patents

Abstract

The utility model discloses a kind of housing units, there are shell at least two sub- shells to constitute, integrally fusion is formed with exhaust gas circuit to shell, the exhaust gas circuit has an input end and one outlet end, input end is configured to the first air inlet, outlet end is configured to the first gas outlet, and the first air inlet and the first gas outlet, which are interconnected, forms hot-air passing away；And/or input end is configured to the second air inlet, outlet end is configured to the second gas outlet, and the second air inlet and the second gas outlet, which are interconnected, forms cold air passing away.According to the housing unit of the utility model embodiment, can not only it guarantee as refrigeration module and heating module normal discharge gas, it can also prevent the gas mixing between refrigeration module and heating module from influencing the normal use of water treatment facilities, and the connection airtightness for being conveniently conducive to be promoted between refrigeration module and heating module and exhaust gas circuit can be provided for the assembly of refrigeration module and heating module.

Description

Housing unit

Technical field

The utility model relates to water treatment facilities fields, and in particular to a kind of housing unit.

Background technique

Net drink equipment in the related technology, water route arrangement is complex, not only increases the design difficulty of net drink equipment, also The production cost of net drink equipment is increased, and seriously affects the assembly efficiency of net drink equipment.

Utility model content

The utility model is intended to solve one of above-mentioned technical problem at least to a certain extent.

For this purpose, the housing unit is easy to assembly the utility model proposes a kind of housing unit, be conducive to simplify water process dress The circuit design set, and the assembly efficiency of water treatment facilities can be promoted.

According to the housing unit of the utility model embodiment, there are the shell at least two sub- shells to constitute, the shell Integrally fusion is formed with exhaust gas circuit to body, which has an input end and one outlet end, and the input end is by structure It is set as the first air inlet, the outlet end is configured to the first gas outlet, first air inlet and first gas outlet phase Intercommunicated formation hot-air passing away；And/or the input end is configured to the second air inlet, the outlet end is configured to Second gas outlet, second air inlet and second gas outlet are interconnected and form cold air passing away.

According to the housing unit of the utility model embodiment, inlet end and an outlet end is set in exhaust gas circuit, and is being arranged The cold air discharge of the hot-air passing away and independent communication refrigeration module of independent communication heating module is limited in gas gas circuit Channel can not only guarantee as refrigeration module and heating module normal discharge gas, moreover it is possible to prevent refrigeration module and heating module Between gas mixing influence the normal use of water treatment facilities, and can be provided for the assembly of refrigeration module and heating module It is convenient, be conducive to promote the connection airtightness between refrigeration module and heating module and exhaust gas circuit.

One embodiment according to the present utility model, described exhaust gas circuit a part are formed in one of them described sub- shell On, the another part in the water outlet water route is formed on another described sub- shell.

One embodiment according to the present utility model, the exhaust gas circuit are respectively formed on one of them sub- shell.

One embodiment according to the present utility model, multiple sub- shells are successively arranged along the vertical direction.

One embodiment according to the present utility model, multiple sub- shells are successively arranged in the horizontal direction.

One embodiment according to the present utility model, multiple sub- shells are integrally formed.

One embodiment according to the present utility model, multiple sub- shells are separately formed.

The aperture of one embodiment according to the present utility model, the exhaust gas circuit is 4-20 millimeters.

One embodiment according to the present utility model, the shell are plastic part.

One embodiment according to the present utility model, the exhaust gas circuit are formed by core pulling technique.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the explosive view according to the water treatment facilities of the utility model embodiment；

Fig. 2 is the structural schematic diagram according to the water treatment facilities of the utility model embodiment；

Fig. 3 is the structural schematic diagram for dividing water hull body according to the utility model embodiment；

Fig. 4 is a cross-sectional view along the vertical direction of structure in Fig. 3；

Fig. 5 is another cross-sectional view along the vertical direction of structure in Fig. 3；

Fig. 6 is the structural schematic diagram according to the heated shell of the utility model embodiment；

Fig. 7 is the cross-sectional view of structure along the vertical direction in Fig. 6；

Fig. 8 is the structural schematic diagram according to the refrigeration shell of the utility model embodiment.

Appended drawing reference:

100: water treatment facilities；

10: shell；11: dividing water hull body；111: first partition；112: third connecting plate；

12: heated shell；121: second partition；122: the first connecting plates；

13: refrigeration shell；131: third partition；132: the second connecting plates；

14: exhaust gas circuit；141: first exhaust gas circuit (hot-air passing away)；

142: second exhaust gas circuit (cold air passing away)；

15: water outlet water route；151: the first water outlet water routes；1511: first level extended segment；

152: the second water outlet water routes；1521: the second horizontal extension sections；

20: heating module；

30: refrigeration module.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

Referring to Fig. 1 to Fig. 8 description according to the shell group for water treatment facilities 100 of the utility model embodiment Part.

Water treatment facilities 100 includes: housing unit and includes at least a functional module, may include a refrigeration module 30, it may include a heating module 20, also may include a refrigeration module 30 and a heating module 20.Housing unit packet Include: shell 10 and waterway structure define compartment in shell 10, and functional module is indoor between being located at.It not only can be functional module Installation provide it is convenient, and can be with the mounting stability of enhanced feature module.

Wherein, waterway structure is located in shell 10, and waterway structure includes at least the water route Fen Shui, water outlet water route 15 and exhaust gas Road 14, the 14 one fusion of exhaust gas circuit are formed on shell 10, that is to say, that several airflow channels are defined in shell 10, it is more A airflow channel is interconnected and forms waterway structure.

Specifically, there are shell 10 at least two sub- shells 10 to constitute, it may include: point water hull body 11 and a heated shell 12, it may include: point water hull body 11 and refrigeration shell 13, also may include: a point water hull body 11, heated shell 12 and refrigeration shell 13.Exhaust gas circuit 14 can be located in one of them each sub- shell 10, can also be located in multiple sub- shells 10, when each sub- shell 10 when being sequentially connected, and the exhaust gas circuit 14 in multiple sub- shells 10 is interconnected.

Divide water hull body 11, heated shell 12 and refrigeration shell 13 that can be arranged successively along the vertical direction or along level side To being arranged successively, and each sub- shell 10 can be integrally formed, and integrally formed 10 structural strength of shell is big, and stability is high, be made With lasting a long time.Sub- shell 10 seperated can also form, and seperated molding shell 10 can be refrigeration module 30 and heating module It is convenient that 20 installation and maintenance provides, and can reduce the production difficulty of shell 10.

Wherein, exhaust gas circuit 14 has an input end and one outlet end, and input end forms connection heating module 20 First air inlet, outlet end form the first gas outlet.First air inlet and the first gas outlet, which are interconnected, forms hot-air discharge Channel 141, the gas in heating module 20 is through 141 wastewater treatment equipment 100 of overfire air passing away.

Input end can also form the second air inlet of connection refrigeration module 30, and outlet end forms the second gas outlet.Second Air inlet and the second gas outlet, which are interconnected, forms cold air passing away 142, and the gas in refrigeration module 30 is through supercooled air 142 wastewater treatment equipment 100 of passing away.

Being vented gas circuit 14 can also include the hot-air passing away 141 and cold air passing away in above structure simultaneously 142, the gas in refrigeration module 30 and heating module 20 is discharged by exhaust gas circuit 14.

It as a result, can by limiting exhaust gas circuit 14 in shell 10 according to the housing unit of the utility model embodiment It is provided conveniently with the gas being discharged in heating module 20 and refrigeration module 30 for water treatment facilities 100, and can simplify refrigeration The design of the exhaust lay out of module 30 or heating module 20, and then can be installation and the company of refrigeration module 30 or heating module 20 It is convenient to connect offer.Furthermore molding exhaust gas circuit 14 is merged with 10 one of shell, structure is simple, facilitates installation, improves at water The assembly efficiency of device 100 is managed, and the stability and intensity of exhaust gas circuit 14 can be promoted, prevents exhaust gas circuit 14 from damaging, Extend the service life of water treatment facilities 100.

Furthermore inlet end and an outlet end is set in exhaust gas circuit 14, and limits independent communication in exhaust gas circuit 14 The hot-air passing away 141 of heating module 20 and the cold air passing away 142 of independent communication refrigeration module 30, not only can be with Guarantee to be 20 normal discharge gas of refrigeration module 30 and heating module, moreover it is possible to prevent between refrigeration module 30 and heating module 20 Gas mixing influences the normal use of water treatment facilities 100, and can mention for the assembly of refrigeration module 30 and heating module 20 For connection airtightness that is convenient, being conducive to promotion refrigeration module 30 and heating module 20 and be vented between gas circuit 14.

As illustrated in fig. 1 and 2, according to the water treatment facilities of the utility model embodiment 100, functional module includes: refrigeration mould Block 30 and heating module 20, the hot water intake tunnel in the water route Fen Shui is connected to heating module 20, and supplies water to heating module 20.Divide water The cold water intake tunnel in water route is connected to refrigeration module 30, and supplies water to refrigeration module 30.Refrigeration module 30 is processed that water passes through Cold water is discharged the discharge of water route 15 for users to use, and heating module 20 is processed that water is discharged by hot water effluent water route 15 for user It drinks.

Refrigeration module 30 can carry out refrigeration to the water flow in net drink equipment, and heating module 20 can be net drink equipment In water flow carry out heat effect.User can obtain cold water or obtain hot water, use different user or different times Net drink equipment provides convenience.It is possible thereby to promote the performance of net drink equipment, provided convenience for user using net drink equipment.

As shown in Fig. 2, shell 10 is divided into the superposed first sub- compartment and the second sub- compartment positioned at lower part, That is defining a sub- compartment in heated shell 12, another sub- compartment, heated shell 12 are defined in the shell 13 that freezes Positioned at the top of refrigeration shell 13.Wherein, heating module 20 is located at interior between the first son, and refrigeration module 30 is located at the second sub- compartment It is interior.Heating module 20 can also be located at interior between the second son, and refrigeration module 30 is located at interior between the first son.

Refrigeration module 30 and heating module 20 are located between different sons indoor, refrigeration module 30 and heating mould can be prevented It is interfered with each other between block 20.It can not only prevent the heat in heating module 20 from conducting to refrigeration module 30, cause the energy Waste, and refrigeration module 30 and heating module 20 work independently, and can promote the work of refrigeration module 30 and heating module 20 Efficiency.

As shown in Fig. 3, Fig. 6 and Fig. 8, shell 10 has upper and lower spaced first partition 111,121 and of second partition Third partition 131, first partition 111 can be located on point water hull body 11, and second partition 121 can be located in heated shell 12, Third partition 131 is located on refrigeration shell 13.The first connecting plate 122 is equipped between first partition 111 and second partition 121, the One connecting plate 122 is connected with second partition 121 and cooperatively forms heated shell 12 with second partition 121.Second partition 121 and Between three partitions 131 be equipped with the second connecting plate 132, the second connecting plate 132 be connected with second partition 121 and with second partition 121 Cooperatively form refrigeration shell 13.

Exhaust gas circuit 14 can be respectively formed on one of them sub- shell 10, that is to say, that exhaust gas circuit 14 can be located at system In cooled case 13, exhaust gas circuit 14 can also be located in refrigeration shell 13.

Exhaust 14 a part of gas circuit is formed on one of them sub- shell 10, and the another part in water outlet water route 15 is formed in separately On one sub- shell 10.Specifically, exhaust gas circuit 14 can also a part be located at refrigeration shell 13 in, a part is located at heating In shell 10, remaining part can be located in point water hull body 11.

It is possible thereby to be connected to refrigeration module 30 and heating module 20 by convenient for exhaust gas circuit 14, and can will be vented The input end of gas circuit 14 is located at the position of neighbouring refrigeration module 30 and heating module 20, and then is refrigeration module 30 and heating module It is convenient that 20 installation provides, and is conducive to the connection airtightness for promoting refrigeration module 30 and heating module 20.

By the way that first partition 111, second partition 121 and third partition 131 are arranged on the housing 10, water process can be filled Each parts space for setting 100 opens arrangement, interferes with each other effect between refrigeration module 30 and heating module 20 so as to eliminate. First connecting plate 122 or the second connecting plate 132 are set between adjacent separator, can use connecting plate close the first sub- compartment and Second sub- compartment.It is possible thereby to eliminate influence of the external environment to refrigeration module 30 and heating module, it is conducive to extend refrigeration mould The service life of block 30 and heating module.

As shown in figure 3, in the present embodiment, shell 10 further include: third connecting plate 112, third connecting plate 112 is around the One partition 111 is arranged and upwardly extends along the vertical direction, and third connecting plate 112 and first partition 111 cooperate structure to set out upper surface Open point of water chamber.

It is arranged using third connecting plate 112 around a point water chamber, the indoor environment of point water cavity can be promoted, prevented in air Dust enter the quality for dividing water chamber to influence water flow, and the aesthetic measure of the outer surface of water treatment facilities 100 can be promoted.

Wherein, exhaust gas circuit 14 is connected to water cavity is divided, that is to say, that exhaust gas circuit 14 can partially be located at a point water hull body 11 First partition 111 or third connecting plate 112 in, exhaust gas circuit 14 connection divides water cavity.In refrigeration module 30 and heating module 20 Gas by be vented gas circuit 14 be discharged in point water cavity, be then discharged through excessive water cavity.It is possible thereby to avoid exhaust gas circuit 14 straight It connects and is vented outwards, prevent extraneous dust pollution exhaust gas circuit 14, or the inside shadow by exhaust 14 water treatment facilities 100 of gas circuit Ring drinking water quality.

In the present embodiment, the water route Fen Shui includes at least the first water outlet water route 151 and the second water outlet water route 152, the first water outlet Water route 151 includes multiple successively end to end sub- water routes Fen Shui, and the outlet end in the first water outlet water route 151 is connected to heating module 20, hot water intake tunnel is formed between the input end in the first water outlet water route 151 and the outlet end in the first water outlet water route 151, is supplied water Water flow in device enters heating module 20 along the first water outlet water route 151.Similarly, the second water outlet water route 152 includes multiple The successively end to end sub- water route Fen Shui, the outlet end in the second water outlet water route 152 are connected to refrigeration module 30, the second water outlet water route 152 are connected to formation cold water intake tunnel between input end and second point of water outlet end, and the water flow in water supply device is along second It is discharged water route 152 and enters refrigeration module 30.

Wherein, the aperture in the sub- water route Fen Shui of multistage can be identical, can not also be identical.

By the first water outlet water route 151 of setting and the second water outlet water route 152, it can not only guarantee refrigeration module 30 and heating The normal water outlet of module 20, moreover it is possible to prevent the water flow between refrigeration module 30 and heating module 20 from mixing and string water occurs, be conducive to Promote the working performance of refrigeration module 30 and heating module 20.

Son in shell 10 divides water route, and a part extends along the vertical direction, and another part is horizontally extending, and be connected son Angle between point water route can be 90 °.It is possible thereby to reduce the difficulty of the production technology in height point water route, and can shorten The total length in the water route Fen Shui.

As shown in Figure 4 and Figure 5, one embodiment according to the present utility model, the first water outlet water route 151 includes: the first water Flat extended segment 1511, the second water outlet water route 152 includes: the second horizontal extension section 1521, first level extended segment 1511 and second Horizontal extension section 1521 is each provided in first partition 111, and extending radially outwardly along first partition 111.First level extends Section 1511 is connected to heating module 20 adjacent to the one end at 111 center of first partition, and first level extended segment 1511 is far from first partition The one end at 111 centers forms hot water outlet.Second horizontal extension section 1521 is connected to refrigeration adjacent to the one end at 111 center of first partition Module 30, the second horizontal extension section 1521 form cooling water outlet far from the one end at 111 center of first partition.

Hot water and cold water are respectively by mutually independent first level extended segment 1511 and the second horizontal extension section 1521 Outflow, 1511 He of first level extended segment for preventing cold water and hot water mixed influence effluent quality, and extending radially outward Second horizontal extension section 1521 can fetch water for user and provide conveniently.

Wherein, first level extended segment 1511 and the second horizontal extension section 1521 are arranged in parallel, and first level extended segment 1511 and second the outlet end of horizontal extension section 1521 be respectively positioned on the front side surface of water treatment facilities 100, facilitate user to fetch water, And save the occupied space in water outlet water route 15.

In the present embodiment, exhaust gas circuit 14 includes the sub- gas circuit of multistage, and the sub- gas circuit of multistage is successively interconnected to form from beginning to end One complete hot-air passing away 141 or cold air passing away 142.

Specifically, in the present embodiment, exhaust gas circuit 14 includes: first exhaust gas circuit 141 and second exhaust gas circuit 142, The sub- gas circuit that first exhaust gas circuit 141 can be sequentially connected end to end in turn by several forms, if second exhaust gas circuit 142 can also have The dry sub- gas circuit being sequentially connected end to end in turn composition.Wherein, the aperture of sub- gas circuit can be identical, can not also be identical.

Sub- gas circuit in shell 10, can extend along the vertical direction, can also be horizontally extending, adjacent sub- gas circuit it Between angle be 30 ° -90 °.It is possible thereby to reduce the difficulty of the production technology of each sub- gas circuit, and exhaust gas circuit 14 can be shortened Total length.

A specific embodiment according to the present utility model, first exhaust gas circuit 141 and first level extended segment 1511 connect It is logical and upwardly extend along the vertical direction, second exhaust gas circuit 142 be connected to the second horizontal extension section 1521 and along the vertical direction to Lower extension.

Specifically, first exhaust gas circuit 141 is limited in point water hull body 11, first exhaust gas circuit 141 is located at third company In the wall of fishplate bar 112, and extending axially upward along third connecting plate 112.First exhaust gas circuit 141 lower end connection first every First level extended segment 1511 in plate 111, gas enters the first water by the first water outlet 151 runner of water route in heating module 20 In flat extended segment 1511, then gas continues up and passes through the discharge of first exhaust gas circuit 141.

Similarly, second exhaust gas circuit 142 is limited in point water hull body 11, and second exhaust gas circuit 142 is located at third connection In the wall of plate 112, and extending axially upward along third connecting plate 112.The lower end of second exhaust gas circuit 142 is connected to first partition The second horizontal extension section 1521 in 111, it is horizontal by the second water outlet 152 runner of water route to enter second for gas in refrigeration module 30 In extended segment 1521, then gas continues up and passes through the discharge of second exhaust gas circuit 142.

The first exhaust gas circuit 141 and second exhaust gas circuit 142 of above structure are gone out using the first water outlet water route 151 and second Water water route 152 guides gas, can not only make full use of the first water outlet water route 151 and the second water outlet water route 152, moreover it is possible to simplify the The structure design of one exhaust gas circuit 141 and second exhaust gas circuit 142 optimizes the waterway structure design of water treatment facilities 100.

With the housing unit of the water treatment facilities 100 of the utility model embodiment.Further include: divide bucket, divides water hull body 11 Interior to be equipped with accommodating chamber, the bottom of accommodating chamber is equipped with the diversion basin in the connection water route Fen Shui, divide bucket connection diversion basin and to point It supplies water in pond.

The water flow in bucket is divided to enter diversion basin, the water in diversion basin enters the water route Fen Shui and respectively enters hot water water inlet and leads to Road and cold water intake tunnel, it is possible thereby to guarantee 20 normal water supply of refrigeration module 30 and heating module, moreover it is possible to prevent refrigeration module Water inlet water route between 30 and heating module 20 influences each other.

In the present embodiment, the outlet for dividing the outer periphery of bucket to cover first exhaust gas circuit 141 and second exhaust gas circuit 142 End.That is divide that the outer wall face of bucket is covered on the outlet end of first exhaust gas circuit 141 and second exhaust gas circuit 142 goes out On mouth end, but the normal exhaust of first exhaust gas circuit 141 and second exhaust gas circuit 142 is not answered.It thus it can be prevented that in air Dust enter first exhaust gas circuit 141 or second exhaust gas circuit 142.

In the present embodiment, the aperture of hot-air passing away 141 or cold air passing away 142 can be gradually increased, The aperture of hot-air passing away 141 or cold air passing away 142 can be gradually reduced, hot-air passing away 141 or cold The aperture of air discharging channel 142 can also a part be gradually increased another part and be gradually reduced.

Specifically, the internal diameter of each pipeline section of first exhaust gas circuit 141 and second exhaust gas circuit 142, it can be along water route The direction of central axis is gradually increased, and can be gradually reduced, and first can also be gradually increased and then is gradually reduced.

The water route internal diameter of different interior diameters is set, can be exhaust gas circuit 14 and first level extended segment 1511 or the second water It is convenient that the connection of flat extended segment 1521 provides, and can provide for the connection between adjacent water route conveniently.

Wherein, the aperture of hot-air passing away 141 or cold air passing away 142 is 4-20 millimeters, that is to say, that the The interior diameter of each pipeline section is 4-20 millimeters in one exhaust gas circuit 141 and second exhaust gas circuit 142.It not only can satisfy water process dress Set 100 exhaust requirements, moreover it is possible to utmostly reduce the occupied space of exhaust gas circuit 14.

Shell 10 is that the materials such as plastic part, such as PP, PC, PE, POM are prepared, and exhaust gas circuit 14 passes through core pulling technique It is formed, wherein 10 structure of shell of polypropylene material preparation is simple, and the difficulty of manufacture craft is lower, and easy to process, can be with Reduce the production cost of shell 10.And the exhaust water route of core pulling technique production can promote the quality in exhaust water route, be vented water The smooth arrangement of the internal perisporium on road can reduce resistance of the gas in exhaust water route in flow process, prevent exhaust water route obstruction.

Water treatment facilities 100 other are constituted and operation belongs to those of ordinary skill in the art and understands and be easy It obtains, is no longer repeated herein.

In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage Solution is limitations of the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign includes fisrt feature right above second feature and oblique upper under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and Modification.

Claims (8)

1. a kind of housing unit, which is characterized in that there are the shell at least two sub- shells to constitute, and the shell integrally merges Be formed with exhaust gas circuit, the exhaust gas circuit have an input end and one outlet end, the input end be configured to first into Port, the outlet end are configured to the first gas outlet, and first air inlet is interconnected with first gas outlet and is formed Hot-air passing away；And/or the input end is configured to the second air inlet, the outlet end is configured to the second outlet Mouthful, second air inlet and second gas outlet are interconnected and form cold air passing away, multiple sub- shell edges Vertical direction is successively arranged.

2. housing unit according to claim 1, which is characterized in that described exhaust gas circuit a part is formed in one of them On the sub- shell, another part of the exhaust gas circuit is formed on another described sub- shell.

3. housing unit according to claim 2, which is characterized in that the exhaust gas circuit is respectively formed one of them sub- shell On.

4. housing unit according to claim 1, which is characterized in that multiple sub- shells are integrally formed.

5. housing unit according to claim 1, which is characterized in that multiple sub- shells are separately formed.

6. housing unit according to claim 1, which is characterized in that the aperture of the exhaust gas circuit is 4-20 millimeters.

7. housing unit according to claim 1, which is characterized in that the shell is plastic part.

8. housing unit according to claim 1, which is characterized in that the exhaust gas circuit is formed by core pulling technique.