CN104929815A - Retention device for a product - Google Patents

Abstract

A number of variations may include a product comprising a retention device comprising a plurality of members, including an arch member and a spring member defining multiple contact points.

Description

For the fixing device of product

The cross reference of related application

This application claims the preference of the Application U.S. Serial No 14/215,740 submitted on March 17th, 2014.

Technical field

The field that this disclosure relates generally to comprises fixing device.

Background technique

Fixing device may be used for various different application.

The general introduction of illustrative variant

Multiple variant can comprise a kind of product, and this product comprises a fixing device, and this fixing device comprises multiple component, comprises an arc component and limits a spring component of multiple point of contact.

Other illustrative variants in the scope of the invention become clear by from following provided detailed description.It should be understood that this detailed description and instantiation are only objects for illustrative and are not intended to limit the scope of the invention while disclosing the variant in the scope of the invention.

Brief Description Of Drawings

The selected example of the variant in the scope of the invention more fully will be understood from detailed description and accompanying drawing, in the accompanying drawings:

Fig. 1 is the indicative icon of an egr system, can use multiple variant within the system.

Fig. 2 illustrates a heater, can use multiple variant in this heater.

Fig. 3 is the diagram that the heat exchanger of Fig. 2 removes housing.

Fig. 3 A is the zoomed-in view of a part of Fig. 3.

Fig. 4 is the perspective cross-sectional view of the heat exchanger of Fig. 2.

Fig. 5 illustrates the dividing plate that may be used in multiple variant.

Fig. 6 illustrates a kind of product according to the multiple variant of the present invention, and this product comprises a heat-exchange tube bundle it with fixing device.

Fig. 7 illustrates according to the cross section of the fixing device of multiple variant.

Fig. 8 is the perspective view of a kind of product according to multiple variant, and this product comprises a heat-exchange tube bundle it with fixing device.

Fig. 9 is the perspective view of a kind of product according to multiple variant, and this product comprises a heat-exchange tube bundle it with two fixing devices.

Figure 10 has according to multiple variant to be in matching securing feature in connecting arrangement and the first fixing device of guide features and the fragmentary, perspective view of the second fixing device.

Figure 11 has according to multiple variant to be in matching securing feature in non-connecting arrangement and the first fixing device of guide features and the fragmentary, perspective view of the second fixing device.

Figure 12 be according to multiple variant its on there is the perspective cross-sectional view of the heat exchanger of the first fixing device and the second fixing device.

Figure 13 is the zoomed-in view of a part of Figure 12.

Figure 14 is the zoomed-in view of a part of Figure 13.

Figure 15 is the perspective view with the heat exchanger of the first fixing device and the second fixing device according to multiple variant, and this first fixing device and the second fixing device to be in non-link position and to be ready to assemble with this heat exchanger.

Figure 16 is the perspective view with the heat exchanger of the first fixing device and the second fixing device according to multiple variant, and this first fixing device and the second fixing device to be in annexation and to be assembled on this heat exchanger.

Figure 17 is the perspective view of the fixing device according to multiple variant.

Figure 18 is perspective view according to the locking can with matching of multiple variant and/or the first fixing device of guide features and the first fixing device and illustrates the direction of the movement that these fixing devices carry out to assemble.

Figure 19 is according to the locking may with matching of multiple variant and/or guide features and the perspective view of first fixing device that can link together and the first fixing device.

The detailed description of illustrative variant

Below to the explanation of these variants be only illustrative in nature and be not intended to limit the scope of the invention by any way, its application or purposes.

Being controlled vehicle exhaust emissions and meeting fuel economy standard in most countries is Compulsory Feature.Nitrogen oxide (NOx) and particulate matter are must be controlled two kinds of components of engine exhaust.

Being formed in of NOx occurs under higher engine combustion temperatures and particle is formed under lower combustion temp.Develop one and be called that the system of exhaust gas recirculatioon (EGR) system is for control combustion temperature and control NOx and granular material discharged.

The schematic diagram of egr system has been shown in Fig. 1.Motor 1 can have an intake manifold 2 and a gas exhaust manifold 3.This egr system can comprise one for controlling exhaust gas recirculatioon (EGR) valve 4 of exhaust stream to intake manifold 2.Heat exchanger 5 may be used for the temperature reducing exhaust.Pipeline 6,7,8,9 and 10 can provide interconnection between gas exhaust manifold 3, heat exchanger 5, EGR valve 4 and intake manifold 2.Shown system can use automatically controlled EGT valve.An electronic control unit (ECU) 11 can provide a signal of the opening/closing by controlling this valve.When EGR valve opens and closes, it will increase or reduce to flow to the flow velocity of the exhaust of this intake manifold.A throttle valve 12 can be provided to control to enter the air stream of intake manifold.

A part exhaust recirculation can get back to intake manifold, here by with the air entered and fuel oil combined.The discharge portion of this mixture does not support burning and when this mixture is compressed and lighted a fire in the cylinder, the exhaust of inertia will control this combustion temperature and be limited in the formation of NOx and particle in exhaust.

Temperature through the exhaust of recirculation can be the factor determining the efficiency that NOx and particle reduce.Egr system generally includes a heat exchanger, for removing heat and provide the delivery temperature of optimization with control discharge from exhaust.

The heat exchanger 13 of one type has been shown in Fig. 2,3 and 4.This heat exchanger can comprise the multiple conduits 15 being in rectangular array 16.Conduit 15 can have an internal surface 29, wall 30 and outer surface 25, as shown in view A and Fig. 4 of Fig. 3,3A.This rectangular array 16 can also be called inner core, and heat exchanger 13 can comprise one or more inner core.Conduit 15 can be formed by the metal of a kind of such as stainless steel, aluminium or other suitable materials.Inner core 16 can comprise the metal collector 17 and 18 at the either end place being positioned in conduit 15.Metal collector 17 and 18 also can be formed by the metal of a kind of such as stainless steel, aluminium or other suitable materials.These conduits 15 can be fixed by brazing, soldering or other suitable means and be sealed on metal collector 17 and 18.

Inner core 16 can be placed in housing 14 and can be sealed in this housing by pad 19, O shape ring 20 or other suitable means.At one end, collector 18 can be attached in a cone 21 to transit to O-ring packing 20.Housing 14, inner core 16, cone 21, pad 19 and O shape ring 20 can limit a seal space 22 in housing 14.Seal space 22 goes for introducing a kind of cooling fluid 24, and this cooling fluid can contact the multiple conduits 15 being in rectangular array 16.Collector 17 and pad 19 can have first opening 23, flow in seal space 22 to allow cooling fluid 24.Cooling fluid 24 can contact the outer surface 25 of conduit 15.Collector 17 and pad 19 can also have second opening 26, leave seal space 22 to allow cooling fluid 24.

Fig. 2,3, the heat exchanger shown in 3A and Fig. 4 can work in the following manner.A kind of fluid or gas 27 can enter conduit 15 from first end 28.For this example, fluid or gas 27 can be the exhausts from explosive motor.Exhaust 27 can be in the first temperature, such as 600 DEG C.Exhaust 27 can flow over conduit 15 and can leave at the second end 29 place.Cooling fluid 24 can to enter in seal space 22 and can contact the outer surface 25 of conduit 15, as shown in Figure 3.Cooling fluid 24 can be in the temperature lower than exhaust 27, such as 100 DEG C.

When exhaust 27 flows over conduit 15, one partial heat can be passed to the internal surface 29 of conduit 15, wall 30 and outer surface 25 by it.When gas along conduit 15 length flowing time this heat transmission can continue and be vented 27 can become colder gradually.The a part of heat being passed to the internal surface 29 of conduit 15, wall 30 and outer surface 25 then can be passed to cooling fluid 24, and this cooling fluid contacts the outer wall 25 of conductor 15 in seal space 22.The two effects described in following paragraph can be had from exhaust 27 to conduit 15 and to the heat trnasfer of fluid 24 in seal space 22.

First effect can be, the exhaust 27 leaving conduit 15 at the second end 29 place can be in and enter at first end 28 place in temperature lower compared with the exhaust 27 of conduit 15.Such as, the exhaust 27 entering conduit 15 at first end 28 place can be in 600 DEG C, and the exhaust 27 leaving conduit 15 at the second end 29 place can be in 200 DEG C.The reduction of temperature can be partly due to from exhaust 27 to conduit 15 and to the heat trnasfer of the cooling fluid 24 in seal space 22.

The second effect can be, the cooling fluid 24 leaving seal space 22 at the second opening 26 place can be in and enter at the first opening 23 place in temperature higher compared with the cooling fluid 24 of seal space 22.Such as, the cooling fluid 24 leaving seal space 22 at the second opening 26 place can be in 110 DEG C, and the cooling fluid 24 entering seal space 22 at the first opening 23 place can be in 100 DEG C.The rising of temperature can be partly due to from exhaust 27 to conduit 15 and to the heat trnasfer of the cooling fluid 24 in seal space 22.

The first and the second effect can partly affect by following parameter: the flow velocity or other parameters that such as enter the cooling fluid 24 in the fluid characteristics of the cooling fluid 24 in the temperature of the exhaust 27 in conduit 15, the flow velocity of exhaust 27, the material of conduit 15, the wall thickness of conduit 15, the length of conduit 15, the surface area of conduit 15, seal space 22, seal space 22.

When requiring to improve to the cooling of this heat exchanger, may be necessary increase the number of conduit 15 or increase the length of conduit 15.Longer conduit may need extra support.Dividing plate 31 shown in Figure 4 and 5 can be located along the length of conduit 15.Dividing plate 31 can be a sheet metal with multiple opening 32, and these openings are by receiving and support multiple conduit 15.Dividing plate 31 can increase support, but this may be not enough to for high-caliber vibration, and this vibration may cause conduit 15 to move and cause the fatigue of these conduits, brazed joint or miscellaneous part potentially.

The interpolation of fixing device can contribute to preventing potential movement and damage.Fig. 6 shows the members of heat exchanger 13, wherein on inner core 16, has installed a fixing device 33.Fixing device 33 can comprise at least one spring component 34.The part that Fig. 7 shows fixing device 33 and the spring component 34 seen on the direction of arrow 44.The second component 36 that fixing device 33 can comprise first arc component 35 and extend from the first end 37 of the first arc component 35.The radius 38 that one can limit first make contact 39 can be there is in the transition position between the first arc component 35 and the second arc component 36.The 3rd component 40 extended from the second end 41 of the first arc component 35 can be there is.The radius 42 that one can limit the second point of contact 43 can also be there is in the transition position between the first arc component 35 and the second arc component 40.Spring component 34 can extend from the 3rd component 40 and can limit the 3rd point of contact 45 along the length of spring component 34.Spring component 34 can comprise a curved section 46, and this curved section can comprise the 3rd point of contact 45, as shown in Figure 7.

With reference to Fig. 7, fixing device 33 can work in the following manner.When first make contact 39 and the second point of contact 43 with one substantially rigid surface 47 contact and a power (as shown in arrow 48) is applied on the 3rd point of contact 45 time, a power can to transfer at first make contact 39 and the second point of contact 43 place on the surface of this rigidity substantially at direction 49 upper deflecting by spring component 34.Although be applied with power 48, the first arc component 35 still substantially remain in this arc shape and only first make contact 39 substantially contact rigid surface 47 with the second point of contact 43.The arcuate shape of the first arc component 35 and fixing device 33 can be allowed to carry out more unimpeded movement along the surface 47 of rigidity substantially with the minimal-contact of rigid surface 47.As the dashed line shape 34A in Fig. 7 shows the deflection of spring component 34 on direction 49.

With reference to Fig. 8, spring component 34 can extend a length 51 along axis 50.Length 51 can be that 5mm, 10mm or other suitable lengths are to realize desired maintenance requirement.Can there is a length 52 of interrupting along axis 50, the second spring component 34B has a length 53 along axis 50 subsequently.Second spring component 34B can have the length identical with the first spring component 34 or it can have another length realizing desired maintenance and require.Spring fixing device 33 can be manufactured into many shapes of closing with the matching form of inner core.Such as, it can manufacture and coordinate the rectangular shape of rectangle inner core, coordinates the round-shaped of circular inner core or suitably coordinate other shapes of inner core.

Fig. 9 shows the fixing device 33 be installed on the rectangle inner core 16 of heat exchanger 13.Fixing device 33 has formed rectangular shape to coordinate the shape of inner core 16.Fixing device 33 can by interconnect feature 54 and attachment and maintenance on inner core 16, these interconnect features can comprise a received block 55 and an engagement member 56, as shown in view B and Figure 11 of Figure 10.When engagement member 56 engages this received block 55, fixing device 33 is by a kind of for restriction close-shaped or ring and can be anchoring on inner core 16, as shown in Figure 9.

The view D of view C and Figure 14 of Figure 12, Figure 13 shows the fixing device 33 be installed on inner core 16.Before inner core 16 is arranged in housing 14, fixing device 33 can be assembled on inner core 16.Inner core 16 and fixing device 33 can be made to slip into together in housing 14 until inner core 16 and housing 14 are in seal contacts.Fixing device 33 can in space 22 engage 14.Distance 57 between the inwall 58 of conduit 15 and housing 14 can be less than the point of contact 39 on the spring component 34 of fixing device 33, the distance 59 between 43 and 45.It should be noted that, distance 57 can be similar for each in four inwalls of housing 14, and these internal faces are to the conduit 15 of inner core 16.Because size 57 can be less than size 59, so the perturbed dimension 60 that is essentially the difference between size 59 and size 57 can be there is.Such as, in a variant, when size 59 is 7mm and size 57 is 6mm, perturbed dimension 60 can be 1mm substantially.Size 60 can change along with the tolerance of these parts.

In multiple variant, perturbed dimension 60 can be 1mm, 2mm or other sizes providing desired maintenance level.The selection of perturbed dimension 60 can be based in part on level of vibration, mechanical shock level or other relevant parameters.

With reference to the view D of Figure 14, when inner core 16 slips in housing 14, a power 73 can be provided on the 3rd point of contact 45 with the contact of inwall 58 and disturbance 60 and make spring component 34 at direction 62 upper deflecting.Power 73 can cause the first make contact 39 of fixing device 33 contact conduit 15 with the second point of contact 43 and power is transferred to these conduits.For first make contact 39 and the second point of contact 43, conduit 15 can form the surface of a rigidity substantially.When power 73 to be applied on the 3rd point of contact 45 and spring component 34 at direction 62 upper deflecting time, the first arc component 35 substantially remains in the shape of this arc and only first make contact 39 and the second point of contact 43 can substantial contact conduits 15.Solid line in the view D of Figure 14 shows position 34A after the deflection of spring component 34 on direction 62.The initial position of spring component 34 is shown by dashed lines.This arcuate shape of the first arc component 35 and fixing device 33 can be allowed to carry out more unimpeded movement along the surface of conduit 15 with the minimal-contact of the rigid surface of conduit 15.Also, when possible, the only one of the first or second point of contact 39 or 43 can contact the rigid surface of conduit 15.These can partly by the size difference of parts, assembling change or other factors and producing.

Fixing device 33 can extend along the four edges of rectangle inner core 16 and can comprise the extra section of spring component 34.Fixing device 33 can contact four internal surfaces of rectangular case 14.Multiple extra sections of spring component 34 can provide a power in each position on conduit 15, and this power can be tended to prevent conduit 15 and inner core 16 to be moved when a power is applied to heat exchanger 13.This power can be applied in any direction on heat exchanger 13 and can be produced by shock, vibration or other power.To prevent or the movement of restricted conduit 15 and inner core 16 can make the fatigue of conduit 15, brazed joint or miscellaneous part and the possibility of inefficacy diminish.

Referring again to view B and Figure 11 of Fig. 9, Figure 10, in multiple variant, maybe advantageously comprise a guide features 61 for guiding multiple interconnect feature 54 and supplementary retention device 33 to the assembling on inner core 16.In multiple variant, guide features 61 can be included in two guiding elements 62 and 63 formed in fixing device 33.Guide features 61 can be designed for the guide portion 64 receiving fixing device 33, this guide portion can comprise received block 55 or engagement features 56.Such as, guide portion 64 can comprise received block 55, as shown in view B and Figure 11 of Figure 10.The guide features 61 comprising guiding elements 62 and 63 can be alignd with guide portion 64, received block 55, engagement features 56 and promote that it engages, as shown in Fig. 9 and Figure 10 view B.

As described above, can comprise can this guide portion 64 of maintenance and one first guiding elements 62 and second guiding elements 63 that can prevent uncoupling from closing for guide features 61.One of a fixing device 33 existing part can be used as guiding elements.Such as, guiding elements 63 can be a part for the first arc component 35, second component 40 or spring component 34, as shown in figure 11.A guiding elements can also be formed as a separate section of fixing device 33, such as guiding elements 62, equally as shown in Figure 10 view B and Figure 11.

Install one-piece retention device possibly changes persuing shape to be mounted on this inner core.In multiple variant, in order to effectively install this fixing device, it can make two pieces, as shown in figure 15.These 2 formula designs can comprise a first fixing device 33A and the second fixing device 33B.These 2 formula designs allow to install after assembling inner core 16, comprise conduit 15, collector 17, collector 18 and dividing plate 31.These fixing devices are shown as and are assembled on inner core 16 in figure 16.

Figure 17 shows the first fixing device 33A.Fixing device 33A can have first component 65, second component 66 and the 3rd component 67 in order to coordinate rectangle inner core 16 to be formed.This first, second, and third component can have separately along the isolated spring component 34 of each component.Fixing device 33A can have interconnect feature 54, and this interconnect feature comprises received block 55 as previously described and engagement member 56.Received block 55 can be positioned at first end 68 place of fixing device 33A and engagement member 56 can be positioned at the second end 70 place.Fixing device 33A can also comprise same guide features 61 and guide portion 64 as previously described.Guide features 61 and guide portion 64 can be positioned at first or second end 68 and 70 place of fixing device 33A.Such as, guide features 61 can be positioned at the second end 70 place and guide portion 64 can be positioned at first end 68 place, as shown in figure 17.Guide portion 64 can also comprise received block 55, equally as shown in figure 17.

First fixing device 33A and the second fixing device 33B can be substantially the same in shape and can be made up of identical manufacture method.This can reduce cost, reduces processing request, improves assembling or provide other advantages.

First fixing device 33A and the second fixing device 33B can pass through the one in the first or second fixing device 180 carried out rotating around axis 69 and make their alignment and be assembled on this inner core, as shown in Figure 18 and Figure 19.The guide features 61 being positioned in second end 70 place of the first fixing device 33A can be alignd and receive the guide portion 64 at first end 68 place being positioned in the second fixing device 33B.The guide features 61 being positioned in second end 70 place of the second fixing device 33B can be alignd and receive the guide portion 64 at first end 68 place being positioned in the first fixing device 33A.The continuous joint of the first and second fixing device 33A and 33B in the direction of arrow 71 and 72 can cause the engagement features 56 of the first fixing device 33A to engage the received block 55 of the second fixing device 33B.Continuous print engages and the engagement features 56 of the second fixing device 33B can also be caused to engage with the received block 55 of the first fixing device 33A.

When engagement member 56 engaging receiver seat 55, fixing device 33A and 33B by restriction close-shaped or ring, as shown in figure 19.Fixing device 33A and 33B can be anchoring on inner core 16, as shown in figure 16.

Although foregoing written of the present invention illustrates and accompanying drawing shows and repaiies circular pipe 15 in rectangle inner core 16, apply it to and there is the conduit that elliptical catheter, square duct or another kind be applicable to the shape realizing desired cooling requirement also can fall within the scope of the present invention.The inner core of the shape had than a rectangle can also be used.Such as, this fixing device can be applied to the inner core that circular inner core, oval inner core or another kind are applicable to realize the desired shape required.

Below to the description of variant show only be considered to fall into parts in the scope of the invention, element, action, product and method and be not intended to limit by any way by clearly disclose or the scope that clearly do not propose.Parts as the described herein, element, action, product and method can as carried out combining and rearranging except the other places clearly described herein and are still considered to fall within the scope of the present invention.

Variant 1 can comprise a kind of product, this product can comprise at least one fixing device, this at least one fixing device can comprise: first component being formed arc, extend from the first end of this first component and define a second component of first make contact, extend from the second end of this first component and define the 3rd component of the second point of contact, from this first, second, or the 3rd at least one of component extend and define at least one spring component of the 3rd point of contact, and wherein when this first and second point of contact contacts with the surface of a rigidity substantially and a power is applied on the 3rd point of contact, locating a power at this first or second point of contact or both transfers on the surface of this rigidity substantially, and wherein this first component substantially remains in the shape of this arc and does not contact this rigid surface substantially when this power is applied on the 3rd point of contact.

Variant 2 can comprise a kind of product as described in variant 1, and wherein this at least one spring component can comprise at least two spring components, and wherein these spring components are spaced apart from each other on this fixing device.

Variant 3 can comprise the product according to any one of variant 1 to 2, wherein this at least one fixing device comprises multiple interconnect feature further, these interconnect features comprise a received block and one for engaging the engagement member of described received block, and wherein this received block and engagement member be spaced apart from each other and when this engagement member engages this received block, this fixing device defines a close-shaped or ring for being attached on product.

Variant 4 can comprise the product as described in variant 3, wherein this at least one fixing device comprises a guide features and a guide portion further, described guide features comprises at least one guiding elements and described guide portion comprises at least one interconnect feature, and wherein this guiding elements is constructed and is arranged to for guiding this guide portion.

Variant 5 can comprise the product as described in variant 3, wherein this at least one fixing device comprises a guide features and a guide portion further, described guide features comprise at least one guiding elements and described guide portion comprises in these interconnect features described at least one, and wherein this guiding elements guides this guide portion.

Variant 6 can comprise the product as described in variant 1, wherein this product comprises at least one second fixing device further, and described first and second fixing devices to be included in further on this first fixing device and to be constructed and to be arranged to for guiding a guide features of the guide portion on this second fixing device and on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.

Variant 7 can comprise the product as described in variant 3, wherein this product comprises at least one second fixing device further, and described first and second fixing devices to be included in further on this first fixing device and to be constructed and to be arranged to for guiding a guide features of the guide portion on this second fixing device and on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.

Variant 8 can comprise the product as described in variant 4, wherein this product comprises at least one second fixing device further, and described first and second fixing devices to be included in further on this first fixing device and to be constructed and to be arranged to for guiding a guide features of the guide portion on this second fixing device and on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.

Variant 9 can comprise the product according to any one of variant 5 to 8, and wherein the shape of each fixing device is substantially the same.

Variant 10 can comprise a kind of product, and this product can comprise: an inner core, and this inner core comprises a conduit array; One for receiving this inner core and supporting the housing of this inner core; A space between this inner core and this housing; Be positioned at least one fixing device between this housing and inner core, this at least one fixing device can comprise: first component being formed arc; A second component, this second component to extend and axis along these conduits defines a first make contact from the first end of this first component; 3rd component, this second component to extend and axis along these conduits defines second point of contact from the second end of this first component; At least one spring component, this at least one spring component from this first, second or the 3rd component at least one extend and define the 3rd point of contact with this housing, and the space wherein between this housing and inner core can cause disturbance to this fixing device and a power is applied on the 3rd point of contact of this at least one spring component time, this at least one spring component transmits a power by the one or both in this first and second point of contact; Wherein this first component can be constructed and is arranged to the form that substantially keeps this arc and do not contact the axis of these conduits when this power is applied on the 3rd point of contact.

Variant 11 can comprise the product as described in variant 10, and wherein this at least one spring component comprises at least two spring components, and wherein these spring components are spaced apart from each other on this fixing device.

Variant 12 can comprise the product as described in variant 10, wherein this at least one fixing device comprises multiple interconnect feature further, these interconnect features comprise a received block and one for engaging the engagement member of described received block, and wherein this received block and engagement member be spaced apart from each other and when this engagement member engages this received block, this fixing device defines a close-shaped or ring for being attached on product.

Variant 13 can comprise the product described in variant 12, wherein this at least one fixing device may further include a guide features and a guide portion, described guide features comprise at least one guiding elements and described guide portion comprises in these interconnect features described at least one, and wherein this guiding elements is constructed and is arranged to for guiding this guide portion.

Variant 14 can comprise the product described in variant 10, wherein this at least one fixing device comprises a guide features and a guide portion further, described guide features comprises at least one guiding elements and described guide portion comprises at least one interconnect feature, and wherein this guiding elements by this guide portion of guiding.

Variant 15 can comprise the product as described in variant 10, wherein this product may further include at least one second fixing device, and described first and second fixing devices to be included in further on this first fixing device and to be constructed and to be arranged to for guiding a guide features of the guide portion on this second fixing device and on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.

Variant 16 can comprise product as claimed in claim 12, wherein this product comprises at least one second fixing device further, and described first and second fixing devices to be included in further on this first fixing device and to be constructed and to be arranged to for guiding a guide features of the guide portion on this second fixing device and on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.

Variant 17 can comprise the product as described in variant 16, and wherein the shape of each fixing device is substantially the same.

Be only illustrative to the above explanation of selected variant in nature within the scope of the invention, therefore, its variant or change should not be considered to depart from the spirit and scope of the present invention.

Claims (15)

1. comprise a product at least one fixing device, this at least one fixing device comprises:

First component being formed arc,

A second component, this second component extends from the first end of this first component and defines a first make contact,

3rd component, the 3rd component extends from the second end of this first component and defines second point of contact,

At least one spring component, this at least one spring component from this first, second or the 3rd component at least one extend and define the 3rd point of contact, and

Wherein when this first and second point of contact contacts with the surface of a rigidity substantially and a power is applied on the 3rd point of contact, locate at both this first or second point of contact or its, power is transferred on the surface of this rigidity substantially, and

Wherein this first component substantially remains in the form of this arc and does not contact this rigid surface substantially when this power is applied on the 3rd point of contact.

2. product as claimed in claim 1, wherein this at least one fixing device comprises at least two spring components, and wherein these spring components are spaced apart from each other on this fixing device.

3. product as claimed in claim 1, wherein this at least one fixing device comprises multiple interconnect feature further, these features comprise a received block and one for engaging the engagement member of described received block, and wherein this received block and engagement member be spaced apart from each other and when this engagement member engages this received block, this fixing device defines a close-shaped or ring for being attached on product.

4. product as claimed in claim 3, wherein this at least one fixing device comprises a guide features and a guide portion further, described guide features comprises at least one guiding elements and described guide portion comprises at least one interconnect feature, and wherein this guiding elements is constructed and is arranged to for guiding this guide portion.

5. product as claimed in claim 1, wherein this at least one fixing device comprises a guide features and a guide portion further, described guide features comprise at least one guiding elements and described guide portion comprises in these interconnect features described at least one, and wherein this guiding elements guides this guide portion.

6. product as claimed in claim 1, wherein this product comprises at least one second fixing device further, and described first and second fixing devices comprise further

One on this first fixing device and be constructed and be arranged to for guide the guide portion on this second fixing device guide features and,

One on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.

7. product as claimed in claim 3, wherein this product comprises at least one second fixing device further, and described first and second fixing devices comprise further

One on this first fixing device and be constructed and be arranged to for guide the guide portion on this second fixing device guide features and,

One on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.

8. product as claimed in claim 4, wherein this product comprises at least one second fixing device further, and described first and second fixing devices comprise further

One on this first fixing device and be constructed and be arranged to for guide the guide portion on this second fixing device guide features and,

One on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.

9. product as claimed in claim 6, wherein the shape of each fixing device is substantially the same.

10. a product, comprises;

An inner core, this inner core comprises a conduit array,

One for receiving this inner core and supporting the housing of this inner core,

A space between this inner core and this housing,

Be positioned at least one fixing device between this housing and inner core, this at least one fixing device comprises;

First component being formed arc,

A second component, this second component to extend and axis along these conduits defines a first make contact from the first end of this first component,

3rd component, this second component to extend and axis along these conduits defines second point of contact from the second end of this first component,

At least one spring component, this at least one spring component from this first, second or the 3rd component at least one extend and define the 3rd point of contact with this housing, and

Space wherein between this housing and inner core cause this fixing device of disturbance and a power is applied on the 3rd point of contact of this at least one spring component time, this at least one spring component the one or both in this first and second point of contact is mutually transmitted a power and;

Wherein this first component substantially remains in the form of this arc and does not contact the axis of these conduits when this power is applied on the 3rd point of contact.

11. products as claimed in claim 10, wherein this at least one fixing device comprises at least two spring components, and wherein these spring components are spaced apart from each other on this fixing device.

12. products as claimed in claim 10, wherein this at least one fixing device comprises multiple interconnect feature further, these interconnect features comprise a received block and one for engaging the engagement member of described received block, and wherein this received block and engagement member be spaced apart from each other and when this engagement member engages this received block, this fixing device defines one for being attached to the close-shaped or ring on product.

13. products as claimed in claim 12, wherein this at least one fixing device comprises a guide features and a guide portion further, described guide features comprise at least one guiding elements and described guide portion comprises in these interconnect features described at least one, and wherein this guiding elements is constructed and is arranged to for guiding this guide portion.

14. products as claimed in claim 10, wherein this at least one fixing device comprises a guide features and a guide portion further, described guide features comprises at least one guiding elements and described guide portion comprises at least one interconnect feature, and wherein this guiding elements guides this guide portion.

15. products as claimed in claim 10, wherein this product comprises at least one second fixing device further, and described first and second fixing devices comprise further

One on this first fixing device and be constructed and be arranged to for guide the guide portion on this second fixing device guide features and,

One on this second fixing device and the guide features being constructed and being arranged to for guiding the guide portion on this first fixing device.