CN101238823A

CN101238823A - Clip equipped flexible polymer gaskets

Info

Publication number: CN101238823A
Application number: CNA2008100098216A
Authority: CN
Inventors: 糜强; F·盖瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-05
Filing date: 2008-02-04
Publication date: 2008-08-13
Also published as: CN201206862Y

Abstract

A plastic gasket with a spring clip is disclosed, comprising a tubular or extending gasket main body including a hollow chamber and a plurality of independent spring clips installed on the gasket main body; the gasket main body is an elastomer using commonly-used flexible materials in such a seal component, a plurality of jacks arrayed at interval are provided along one side of the gasket main body in the length direction; each spring clip includes a pedestal which can be embedded into the hollow chamber of the gasket main body through the jacks and a meshing portion located outside of the gasket main body. The installation of the invention is that the meshing portion of the spring clip is pushed into a hole of an electronic oven door, so the installation on the apparatus and disassembly from the apparatus are quite convenient, reducing the training requirement of workers; the invention has a simple structure and diminishes the number of various components that the manufacturer must provide with, so the processing is expedient and cost of the product is low. The invention can be recycled, which not only saves the resource, but also lessens the using cost.

Description

But the plastic liner of band spring clip

Technical field

The present invention relates to a kind of sealing device, relate in particular in some household electrical appliance special as the heat-insulating flexible liner that respectively carries spring clip.

Background technology

Baking oven (case), this class of baker (case) utilize heat that object is processed the utensil of processing, for improving heat-insulating property, prevent that heat energy from leaking, and generally need be provided with liner on the utensil door.Common strip liner is to be made by plastics, rubber elastomeric material at present, directly sticks on the utensil doorframe.Because the requirement of liner health needs disassembly, cleaning, or because aging the needs changed, the liner of present adhesive type is installed on the utensil doorframe or from the utensil doorframe and unloads all inconveniences down, and the liner of unloading down can not utilize basically again.

Summary of the invention

But an object of the present invention is to propose a kind ofly to be installed on the utensil and to unload all easily plastic liner with spring clip from utensil; But another object of the present invention is to make the method for above-mentioned a kind of plastic liner with spring clip.

For reaching above-mentioned last purpose, take following technical scheme:

The a plurality of independent springs that the present invention includes the liner main body of extension a kind of tubulose or that have cavity and be installed on the liner main body press from both sides, the liner main body is to adopt the elastomer that normally used flexible material is made in this type of seal, side in this liner main body alongst has a plurality of spaced jacks, and each spring clip has the mate that can include the base of liner body cavity in and be in the liner main body outside by jack.

Described liner main body adopts two connectors arranged side by side parallel to each other, i.e. an insulating tubular seal and a tubular supporting piece, insulating tubular seal and tubular supporting piece are shared inwall, form two adjacent cavitys thus, the spring clip base is included in the cavity of liner main body tubular supporting piece.

Described spring clip adopts one section individual wire rounded or elliptic cross-section to make, and first section quilt of individual wire curves base, and second section is then curved boomerang shape mate.

The base of above-mentioned each spring clip has two relative long limits and two relative minor faces, and wherein at least one minor face is bent.

The base of above-mentioned each spring clip is a helical form.

Described spring clip adopts one section individual wire rounded or elliptic cross-section to make, and mate is formed by the mid portion of steel wire, and two free ends of steel wire are bent to form " 8 " word base.

Described spring clip adopts steel disc to be bent to form the boomerang shape mate that has two free-ended bases and be in the middle part along its length direction, and the steel disc width is multiple times than its thickness less than its length.

For reaching back of the present invention one purpose, the present invention takes following technical scheme:

A kind of elongation is provided, has the elastomeric pad main body of cavity, this liner main body has a plurality of spaced jacks in the side along length;

A plurality of independently spring clips are provided, each spring clip has a base that is installed in the liner main body, an and mate that crosses out from the liner main body outside, the base of each spring clip has two relative long limits and two relative minor faces through elongating, and wherein at least one minor face is bent;

Spring clip inserts in the corresponding aperture of liner main body, and the curved end of spring clip is enough to the liner main body that stretches and made by elastomeric material in the side, makes the liner main body be enough to accept the curved end of spring clip;

Jack is stretched in the elongation direction of liner main body, and base inserts in the jack that elongates, and the main body that is had cavity up to whole base is accepted;

The elastomeric material of liner main body loosens, and makes jack recover its size originally with this, thereby allows base be retained in the cavity of liner main body, and mate then exposes liner main body and overhanging in a side of liner main body.

Push in the hole of door of electric oven because installation of the present invention is the mate with spring clip,, reduced workman's training requirement so be installed on the utensil and unload all very conveniently from utensil; The present invention is simple in structure, has reduced the different number of spare parts that manufacturer must provide, so easy to process, product cost is low.The present invention can reuse, and has both saved resource, has reduced use cost again.

Description of drawings

For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein

Fig. 1 is an embodiment of the invention stereogram;

Fig. 2 a, 2b and 2c are that a kind of first section quilt curves base, second section stereogram, side view and vertical view that is then curved the wire spring folder of boomerang shape mate;

Fig. 3 is the 3-3 cutaway view of Fig. 1;

Fig. 4 a-4i has showed the step in the liner main body of spring clip insertion Fig. 1 of Fig. 2 a-2c and Fig. 3;

Fig. 5 a-5f has showed the step with the another kind of method in the liner main body of spring clip insertion Fig. 1 of Fig. 2 a-2c and Fig. 3;

Fig. 6 is the home appliances that the spring clip liner is housed;

Fig. 7 a and 7b are that a kind of first section quilt curves helical form base, second section front view that is then curved the wire spring folder of boomerang shape mate;

Fig. 8 a and Fig. 8 b are respectively the upward views of Fig. 7 a, 7b wire spring folder;

Fig. 9 and Figure 10 are that another kind of base is the front view of spiral helicine wire spring folder;

Figure 11 is that the third base is the front view of the wire spring folder that revolves of spiral;

Figure 12 a, 12b and 12c are respectively a kind of mate and are formed by the mid portion of steel wire, and two free ends of steel wire are bent to form front view, upward view and the side view of the wire spring folder of " 8 " word base;

Figure 13 a,, 13b and 13c be respectively another kind of mate and formed by the mid portion of steel wire, two free ends of steel wire are bent to form front view, upward view and the side view of the wire spring folder of " 8 " word base;

Figure 14 a and 14b are respectively the front view and the side view of steel sheet spring folder.

The specific embodiment

But Fig. 1 has showed a kind of typical plastic liner 10.But plastic liner 10 comprises the main body 30 of extension a kind of tubulose or that have cavity and a plurality of independent springs that are installed on the main body 30 and presss from both sides 20.

Fig. 2 a～2c is three views of the embodiment of spring clip 20 (or simple spring clip).Spring clip 20 has a base 24 and the boomerang shape mate 26 that the main side 25a from base 24 stretches out.

First section 22a of individual wire 22 curved 24, the second sections 22b of base and then curved mate 26.Base 24 is connected with a cross-over connection part 22d who adjoins with the core 22c of mate 26 these two parts by steel wire 22.Mate 26 roughly is the plane rhomboid or rhombus is the boomerang shape, and base 24 also is elongated flat shape usually, as the elongate track shape.Base 24 has two the long first relative long limit 24a and the second long limit 24b, can be the straight parallel wire looking squarely on the direction.Link to each other respectively by relative a pair of

bent limit

24c, 24d respectively between two pairs of adjacent ends of first, second long limit 24a, 24b.The over half of base 24 is plane to about three of four directions.The far-end 122 of first section 22a of steel wire 22 is promptly under the planar section of the second major opposing side 25b that is bent to base 24 on the length direction of steel wire 22 away from the end of center

cross-over connection part

22c, 22d, and the second major opposing side 25b is at the back side towards the first major opposing side 25a of mate 26.The far-end 122 of first section 22a of steel wire is near the near-end 124 of first section 22a of steel wire, and this far-end 122 almost can overlap with near-end 124, preferably as shown in the figure, and the far-end 122 of first section 22a of steel wire and near-end 124 overlap joints.No matter which kind of mode of employing, the far-end 122 corresponding bases 24 second major opposing side 25b places of first section 22a of steel wire.If far-end 122 breaks away from the second major opposing side 25b bending of base 24, then formed the afterbody 28 of spring clip 20.

The core 22c of steel wire is positioned at the crosspoint of the planar section and the mate 26 of base 24, or rather, is positioned at and/or is lower than the opposite end 126 of the second section 22b of steel wire that forms

mate

26 and 128 closest approach.Core 22c when the transition of 22c section, can change the direction camber from second section 22b section with steel wire section 22 simultaneously, also can not change direction.Core 22c supports mate 26 in the center near base 24, the cross-over connection part 22d that adjoins is preferably in the base 24 crooked, and divide the minimum position of 22c from central division, promptly in the approximate center of base 24, extend to the periphery that first section 22a of base 24 forms.The far-end (free end) 126 of 22 second sections 22b of steel wire can stop near core 22c or in the eminence of mate 26 certain position along the line.Preferable is that far-end 126 is crossed over the near-end 128 of steel wire section 22b, and is near or below the bending of core 22c place, so that herein by providing further support for spring as described later.

The base of each spring clip has the maximum length size and less than the greatest width dimension of this full-size length; The mate of each spring clip has the maximum length size of mate on its prolonging direction, and less than the greatest width dimension of the mate of the full-size length of mate; The engagement position has the approaching end adjacent with the bottom, and its width dimensions is less than the greater in engagement position and the bottom.

But Fig. 3 is the cutaway view of plastic liner 10.But normally used one section flexible material is made in liner main body 30 these type of plastic liners of employing, for example natural rubber or synthetic rubber or other syntheitic elastomers.In order to be used for non-self-clean type family expenses electric oven, main body 30 preferably adopts the silicon rubber manufacturing, and this material is being kept perfectly under the temperature about (500 ) up to 260 ℃.In other electrical equipment such as refrigerator-freezer or refrigerator, can use the natural and synthetic rubber and the material of other type, for example vinyl or cyclobutenyl or acrylic or neoprene or multiple mixture, for example ABS, PVC etc.Liner main body 30 preferably adopts two connectors arranged side by side parallel to each other, i.e. insulating tubular seal 31, and with a tubular supporting piece 32,

part

31,32 has shared inwall 33 usually, has formed two

adjacent cavitys

35,36 thus.Cavity 35 is parts of seal 31, cavity 36 be support member 32 a part.Constitute a side 34a of the outer wall 34 of support member 32 parts, preferably accept spring clip 20, but and plastic liner 10 held up relevant supporting surface through configuration.One side 34a of illustrated embodiment 30 is preferably enough smooth, so that on the supporting surface that roughly is the plane, adopts the mode of relative sealing with this surface.Flexible liner can use the solid of other fit shapes, for example, and semicircle, V-arrangement, U-shaped, P shape etc.One side 34a of illustrated embodiment medi-spring clip main body 30 is preferably enough smooth.One side 34a of outer wall 34 has a series of jack 37 (see figure 1)s, and these jacks are spaced along the length of main body 30, and each jack is accepted the core 22c of spring clip 20.Be exposed to the outside of the outer wall 34 of main body 30 at the spring clip mate 26 of core 22c one side, and stretch out herein, base 24 is received in the main body 30, or rather, includes in the cavity 36 of liner main body tubular supporting piece 32.

Fig. 4 a-4j adopts the view of simplifying, and has showed that mounting spring is pressed from both sides 20 employed steps in main body 30.In Fig. 4 a-4g, the mate 26 of spring clip 20 has been save, and purpose is in order to be clear that base 24 more.In Fig. 4 a, the afterbody 28 of spring clip 20 is inserted in the jack 37 of accepting spring clip, and spring clip 20 moves (or main body 30 moves by the rightabout of arrow 40a or moves together) end to the first long limit 24a by the direction of arrow 40a.Then, spring clip 20 moves by the direction of arrow 40b in Fig. 4 b, and the bent limit 24d of a bending is inserted in the jack 37.Similar displaying has been done in following motion in Fig. 4 c～4f, spring clip 20 is wherein schemed the direction of corresponding arrow 40c-40f and is moved (or main body 30 moves at the rightabout with respect to spring clip 20) with respect to main body 30 at each, with the second long limit 24b among Fig. 4 c, the bent limit 24c of another bending among Fig. 4 d, among Fig. 4 e among the remainder of the first long limit 24a and Fig. 4 f cross-over connection part 22d be inserted in the jack 37.In Fig. 4 g, the steel wire 22 of contiguous core 22c inserts in the jack 37 in the direction of arrow 40g.The far-end of mate 26 (free end) 126 also must be inserted in the jack 37, enables to be used to side force (radial load) is applied to jack, arrives at the state 37 ' shown in Fig. 4 g so that stretch and enlarge this jack.Consult Fig. 4 h, catch free half side (direction shown in the 40h) of mate 26, so that the tip of the far-end 126 of steel wire 22 is moved towards jack, is inserted in the jack 37 ' of elongation shown in Fig. 4 i up to the tip of far-end 126, and is inserted in the cavity 36 by jack 37 '.Fig. 4 j has showed the spring clip 20 of whole insertion, this shows that mate 26 and base 24 are separately with respect to the position of jack 37.The meaning of this structure is that it can provide bigger base 24 than cup dolly in liner main body 30.Insertion campaign shown in the 40a-40f all is a rectilinear motion, perhaps is in the plane that is basically parallel to base 24 planes, and perhaps its direction is perpendicular to this plane.The central segment 22c of spring clip 20 is positioned on the jack 37, sees (central shaft along jack 37 is seen) on plane, and the cross section of this core 22c is both less than base 24, also less than mate 26.The diameter when if the cross section full-size of core is not subjected to stress greater than jack 37, then jack 37 will be stretched and be under the permanent tension force.

Fig. 5 a-5f adopts the view of simplifying, and shows the manufacture method of the liner 10 that another kind is different, and wherein, hollow type insert main body 30 is made by having enough flexible material, can select for use the silicon rubber of extrusion molding to finish these steps.Liner main body 30 is furnished with the spaced jack of a side 34a of a plurality of length along liner.In Fig. 5 a-5f, only showed a jack 37, other spring clip 20 is inserted in other jack in the same manner.In Fig. 5 a, it is on core 22c or the cross-over connection part 22d than the funiclar curve end that the spring clip 20 that has base 24 and a mate 26 places relative with jack 37.In Fig. 5 b, EOC 22c is forced in the jack 37, stretches and enters in the notch 137 ' that elongates the side, and be enough to make this EOC 22d to enter in the hole 137 '.Fig. 5 c is the sectional view of Fig. 5 b medi-spring folder 20 and liner main body 30, has showed

long limit

22a, 22b and the EOC 22c part of spring clip base 24 of passing hole 37 ' and entering the tubular support member 32 of liner main body 30.As shown in the drawing, common inwall 33 also will be out of shape so that accept the terminal 22d of spring clip 20.Referring to figure below 5d, liner main body 30 is stretched at its draw direction 52, spring clip 20 is fixed motionless or moves in opposite direction 54 simultaneously, purpose also is to form notch 137 for stretchable holes longitudinally 137 ' "; subsequently or simultaneously; still base 24 parts of Bao Luing are pushed into elongation notch 137 triangular in shape " in, pass through to be accepted by the cavity 36 of the tubular support part 32 of liner main body 30 shown in this Kong Bingru Fig. 5 e up to core 22c and whole base 24.As shown in the drawing equally in addition, when base 24 by the elongation shown in Fig. 5 d tri-angle-holed 137 " when entering liner main body 30, join in each limit of the elongation of jack, and when whole base 24 is admitted by main body 30, forms notch 137  of an elongation at last.In Fig. 5 f, the elastomeric material of liner main body 30 can loosen, make the hole reply its original size and dimension 37 whereby, base 24 is retained in the inside of cavity liner main body 30 like this, mate 26 is exposed to the outside of liner main body simultaneously, towards the direction elongation away from liner main body one side 34a.The cross-sectional area of the core 22c of preferably is spring clip 20 is greater than the area of jack 37, so jack 37 do not allow and be totally released and all be returned to its original size and dimension, but tightens on spring clip 20.The width W of the cavity 36 of the tubular support part 32 of the liner main body 30 approximately width with the base 24 of spring clip 20 is identical, but significantly less than the length L of the base 24 of spring clip 20, base 24 is full of the transversal interior zone in tubular support chamber 32 as shown in Figure 3 basically like this.The length L of suggestion base 24 is that the twice of cavity 36 and base 24 width W is big or preferably three times or more times are big.This frame mode is allowed the spring clip that uses to have the elongation base, base length is greater than the width of the cavity 32 that it is accepted, even it is also bigger than the largest cross-sectional sized of liner main body 30, strengthen the stability of spring clip 20 in main body 30 with this, so that push down the side 34a of outer wall 34, more securely liner 10 is fixed on its installation surface.In addition, use after this installation method, just needn't be equipped with tail end in the steel wire base portion, but shown in the 122 ' cutaway view of locating among Fig. 2 a and the 2b, the far-end 122 of steel wire 22 base portion 22b, it is superimposed that participant is combined in the end of base portion 22c of steel wire 22 at cross-over connection part 22d place.

Although preferably use the spring clip that roughly is planar shaped base 24 20 with elongation, the base 24 of spring clip 20 can have different configurations, and is oval, round or just round partially.The steel wire part 22b that constitutes base is shape superimposed (inwardly or from central division dividing the 22c outside from the cross-over connection part of 22d) in the shape of a spiral.The helix of this base 24 is mutually contiguous roughly to be plane, all helix or similar all helixes all are in (as Fig. 7 a, 7b and shown in Figure 11) in the same plane, and helix is more obvious three-dimensional state (as Fig. 9 and shown in Figure 10) along the outside separation of the longitudinal centre line of clip.Under a kind of in the back situation, steel wire preferably divides 22c shape abduction in the shape of a spiral from central division, to form the broad base away from mate.

Although disclosed a kind of liner main body 30 of two chambers, can provide a chamber or two with upper chamber.When selecting silicones as the liner material of main part, silicones can be common, general purpose kind or a kind of be Dow Corning SILASTIC ^Rubber.This special elastomeric material has the rectangular performance of goodish bending, minimum bending curvature radius, this bending can be made the utensil that blemish does not appear in the liner main body usually, that is to say, liner body surfaces in curved interior, do not produce buckle or flatten or even projection be crinkle mark or wrinkle shape, these defectives all may occur on other known ordinary silicon elastomeric material at all.For the utensil liner that exposes, this point is particularly necessary.It helps to make the quality seal part, has avoided the necessity that connects in the knee, and ideal uniform smooth surface appearance more is provided.

But plastic liner 10 is installed between the main body and door or portable plate of hot utensil or similar device, thereby heat-insulating and sealing is carried out in the gap that is usually located between main body and door or the plate, adopts sealing means that container body inside is sealed with this.As shown in Figure 6, but plastic liner 10 is installed on the inner surface 53 of door 54 (or other portable plate/portable plates) of the hot utensil of an electric oven 50 or any other cold and hot operation or device, and its method is in one of them installing hole 56 that the mate 26 of each spring clip 20 is inserted on the door 54.In case the mate 26 of each spring clip 20 is installed in the corresponding installing hole 56, the base 24 of each spring clip 20 is subjected to the pressure that mate 26 is produced, thereby a side 34a is pressed to support door/plate 54.The surface 51 of electric oven main body 52, be covered with electric oven be heated inner 55, when door 54 towards the surface when 51 rotations and leaving gap, but this gap can be sealed by the plastic liner 10 on main body 52 surfaces 51 that are seated in electric oven 50.

When introducing above-mentioned spring clip, the steel wire two ends that form spring clip form a base and a mate respectively, then to be mate formed by the mid portion of steel wire following spring clip structure, two free end bendings of steel wire form " 8 " word base, two curved end are respectively in the both sides of engaging piece, and such spring clip is shown in 20 ' among Figure 12 a and the 12b.Crooked steel wire is to determine base 24 ' at least and from the boomerang shape mate 26 ' of main side a 25 ' projection of base 24 '.Mate 26 ' is general best by being formed centrally in the whole steel wire 22 ' length, and steel wire is formed shown in bending at A, B, C ' three places, forms " side " 26a ', the 26b ' of a pair of relative edge or mate 26 '.Steel wire is located bending at C ', and preferably the angle of Sheng Chenging is greater than 130 °, and extends mutually side by side, and infall is the end near the mate 26 ' of base 24 '.The general residue free end of crooked steel wire (D ' of Figure 12 b locates) once more in the plane vertical with mate 26 ' forms and locally twines mutually, and extends from the relative direction of mate 26 ' and to separate.Base 24 ' is to be wound into annular section 28a ', 28b ' separately by the residue free end with steel wire, and forms circular closed-loop.More preferably, relative free end 22a ', the 22b ' of steel wire 22 ' separately with infall in the middle of part wind up (in Figure 12 b for counterclockwise), overlapping with these mid portions, 24 ' part 28a ' relative, complete closed, 28b ' bottom forming.The part 28a ' of each sealing, 28b ' be as shown in the figure round sealed ring preferably, though the semicircle of other sealing also can otherwise form and use.Also be appreciated that it is identical that steel wire extends the two halves of separating the formation central bend.When seeing base 24 ' on the plane in Figure 12 b, the 28a ' of first of the base 24 ' on the relative horizontal edge of the center longitudinal axis 126 ' of mate 26 ' is the mirror image of the reversing of second portion 28b '.

In general, each mate 26 ' and base 24 ' all are the planes.Mate 26 ' has a center longitudinal axis 126 ', and this center longitudinal axis is positioned on the plane at mate 26 ' place.Base 24 ' also has a center longitudinal axis 124 ', and this center longitudinal axis is positioned on the plane at this base place.Mate and base length dimension (in the size on center longitudinal axis 126 ' and 124 ') separately is all greater than separately width (size on the transverse axis) size, and transverse axis separately is perpendicular to mate and base center longitudinal axis on the plane separately.In addition, shown in Figure 12 b, generally at least in the central authorities of base 24 ', the center longitudinal axis of mate 26 ' and base 24 ' will intersect mate 26 ' like this, and the plane coplane at phase cross surface and mate 26 ' place.Mate 26 ' is punished into limit 26a ' and 26b ' from central camber A to intersecting.The plane at the plane at base 24 ' place and mate 26 ' place is orthogonal.

Two adjacent elements or two " arm " 20a ', the 20b ' of spring clip 20 ' are preferably identical, section start at center longitudinal axis 126 ' is separated to turn of bilge B, locate at turn of bilge B and turn of bilge C ', the side 26a ' of arm 20a ' and 20b ' and 26b ' extend and cross one another, and described infall is that engaging piece 26 ' is near base 24 ' and adjacent with it end.The residue free end of arm 20a ' and 20b ' extends and disconnected from each other from infall, and remains on the relative edge of center longitudinal axis 126 ' of mate 26 ', and the plane at this base 24 ' place is perpendicular with the plane at mate 26 ' place.Two adjacent elements of the spring clip 20 ' in the better embodiment of above-mentioned introduction or two arm 20a ', 20b ' is identical from Figure 12 c.

Figure 13 a to 13c has also introduced the another kind of embodiment of the steel wire elasticity folder of base bending two ends, can find out to have an essentially identical mate 126 ' of mate with Figure 12 a medi-spring folder 20 ' on 120 ', but on 124 ', can find out that it has different bases.The adjacent part of the residue free end of the steel wire of present embodiment and these mid portions forms a plane and the circle that thickness that have only steel wire is so thick or annular section 128a ', the 128b ' of complete closed at least, and annular section 128a ', 128b ' are preferably and the plane coplane at base 124 ' place.In addition, best two arms of middle camber A are identical, extend mutually and separate from the relative edge of camber A.In addition, the plane of mate 126 ' is through middle camber, and the plane at base 124 ' place is vertical with the plane at mate 126 ' place.Base 124 ' is not have different camber D and D ' in the base 124 ' with a difference of base 24 '.

Above-mentioned each spring clip 20,20 ', 120 ' is preferably stretched by 304 stainless steel wires and forms, and its diameter is about 0.025 inch, have near 1/4th harden to hot strength between 165,000 to 190,000 pounds/square inch.Whole steel wire can be along its whole length or only along its partial-length selective hardening.This partial-length is meant position or the section that restoring force and/or knee springing need be provided.Steel wire can or harden after the bending before crooked.Spring clip 20 ', 120 ' can be curled for the first time in an opposite direction by the end of the single length of steel wire and form, form the annulus part, the straight line portion of crooked steel wire between annulus forms defined mate 26 ', 126 ' and the base remainder then.Perhaps, form mate earlier, and then form annulus and base.Can select steel wire part is heated and tentatively hardens so that can control camber preferably along its whole length.

Except above-mentioned wire spring folder 20, can also have what is called " to put down " the elastomeric spring folder is steel sheet spring folder (as Figure 14 a and 14b), usually make these and " put down " elastomeric spring when pressing from both sides, be to cut into web than long flat board, along its length direction bending web is made the elasticity folder again, forming the coupling part that has the base of two free ends (far-end) and have in the middle part of promptly being between the far-end is boomerang shape mate.The width of cutting web but is to be multiple times than its thickness still much smaller than its length.Such as, is by long 18-20mm at present at some coach spring folder that is applied on the liner, wide about 2mm, thickness have only 0.4mm web make.

Person skilled in the art person might change the foregoing description and need not depart from wherein broad sense inventive concept.Therefore well-known, the present invention is not limited to disclosed specific embodiment, and is intended to contain the essence of the present invention of appended claim defined and the various modifications in the scope.

Claims

But 1, a kind of plastic liner with spring clip, it is characterized in that: the liner main body and a plurality of independent springs folders that are installed on the liner main body that comprise extension a kind of tubulose or that have cavity, the liner main body is to adopt the elastomer that normally used flexible material is made in this type of seal, side in this liner main body alongst has a plurality of spaced jacks, and each spring clip has the mate that can include the base of liner body cavity in and be in the liner main body outside by jack.
But 2, the plastic liner of band spring clip according to claim 1, it is characterized in that: the liner main body adopts two connectors arranged side by side parallel to each other, i.e. an insulating tubular seal and a tubular supporting piece, insulating tubular seal and tubular supporting piece are shared inwall, form two adjacent cavitys thus, the spring clip base is included in the cavity of liner main body tubular supporting piece.
But 3, the plastic liner of band spring clip according to claim 1 and 2, it is characterized in that: spring clip adopts one section individual wire rounded or elliptic cross-section to make, first section quilt of individual wire curves base, and second section is then curved boomerang shape mate.
But 4, the plastic liner of band spring clip according to claim 3 is characterized in that: the base of each spring clip has two relative long limits and two relative minor faces, and wherein at least one minor face is bent.
But 5, the plastic liner of band spring clip according to claim 3 is characterized in that: the base of each spring clip is a helical form.
But 6, the plastic liner of band spring clip according to claim 1 and 2, it is characterized in that: spring clip adopts one section individual wire rounded or elliptic cross-section to make, mate is formed by the mid portion of steel wire, and two free ends of steel wire are bent to form " 8 " word base.
But 7, the plastic liner of band spring clip according to claim 1 and 2, it is characterized in that: spring clip adopts steel disc to be bent to form the boomerang shape mate that has two free-ended bases and be in the middle part along its length direction, the steel disc width is multiple times than its thickness less than its length.
But 8, the manufacture method of the plastic liner of the described band spring clip of a kind of claim 4:

A kind of elongation is provided, has the elastomeric pad main body of cavity, this liner main body has a plurality of spaced jacks in the side along length;

A plurality of independently spring clips are provided, each spring clip has a base that is installed in the liner main body, an and mate that crosses out from the liner main body outside, the base of each spring clip has two relative long limits and two relative minor faces through elongating, and wherein at least one minor face is bent;

Spring clip inserts in the corresponding aperture of liner main body, and the curved end of spring clip is enough to the liner main body that stretches and made by elastomeric material in the side, makes the liner main body be enough to accept the curved end of spring clip;

Jack is stretched in the elongation direction of liner main body, and base inserts in the jack that elongates, and the main body that is had cavity up to whole base is accepted;

The elastomeric material of liner main body loosens, and makes jack recover its size originally with this, thereby allows base be retained in the cavity of liner main body, and mate then exposes liner main body and overhanging in a side of liner main body.