CN101234593A - Vehicle door sealing strip and manufacturing method thereof - Google Patents
Vehicle door sealing strip and manufacturing method thereof Download PDFInfo
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- CN101234593A CN101234593A CNA2007101990831A CN200710199083A CN101234593A CN 101234593 A CN101234593 A CN 101234593A CN A2007101990831 A CNA2007101990831 A CN A2007101990831A CN 200710199083 A CN200710199083 A CN 200710199083A CN 101234593 A CN101234593 A CN 101234593A
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Abstract
The invention provides a vehicle door seal strip and the production method, which can realize the improvement of appearance quality, stability of shape, tracing ability of installation and sealing, as well as realizing the simplification of production procedure. The periphery of the vehicle door is provided with a vehicle door seal strip (4) which is formed by the following parts: an annular body part (5), configured along the upper edge part, the front vertical edge part, the lower edge part and the rear vertical edge part of the vehicle door (3); and a subsidiary sealing part (6) mounted on the body part and configured along the upper edge part of the vehicle door. The body part is formed by an extrusion forming body by straight line shape with an extrusion forming machine, continuously forming by the same section for the whole area at the length direction. Besides, the body part (5) is provided with a mounting base (21) at the vehicle door periphery and a hollow sealing part (23). On the other hand, the subsidiary sealing part (6) is a mold forming body made of mold apparatus, with a seal lip.
Description
Technical field
The present invention relates to a kind of door weather strip and manufacture method thereof.
Background technology
Usually, the car door circumference at vehicle is equipped with door weather strip.For example, as shown in figure 11, door weather strip 70 possesses installation base portion 71 that is installed on the car door circumference and the hollow form sealing 72 that is wholely set with this installation base portion 71.Like this, when closing of the door, be crimped on the car door opening periphery of vehicle body by making sealing 72, thereby will seal between car door and the vehicle body.
Current, this door weather strip 70 is made of following part: extrusion forming portion 73,74, and they are corresponding with more straight position such as the vertical edge portion of car door, utilize the single lead screw ex truding briquetting machine of stipulating and are shaped to linearity; And mould molding portion 75,76 (indicating the part of stipple pattern among Figure 11), they are corresponding with the bigger position of car door bight iso-curvature, and the die device that utilizes regulation is connected moulding (for example with reference to patent documentation 1) continuously with aforementioned extrusion forming portion 73,74.In addition, in Figure 11, for convenience of description, the part of top portion and following portion is cut off and illustrated, but in fact this door weather strip 70 forms continuously in the whole zone of length direction.
Patent documentation 1: the spy opens the 2005-239113 communique
Summary of the invention
But under the situation that door weather strip 70 is made of extrusion forming portion 73,74 and mould molding portion 75,76, at the seam A1～A4 place of 75,76 in this extrusion forming portion 73,74 and mould molding portion, connection lead exposes, and may cause the decline of exterior quality.In addition, the constituent material of extrusion forming portion 73,74 and mould molding portion 75,76 sometimes also can be different, and its surperficial color gloss has bigger difference, may cause exterior quality to descend thus.In addition, form step easily, may cause leak tightness to descend at the seam A1～A4 place of extrusion forming portion 73,74 and mould molding portion 75,76.
Usually, on extrusion forming portion 73 grades that constitute door weather strip 70 top portions, be provided for improving the secondary sealing lip 77 of leak tightness etc.Therefore, the section shape of this extrusion forming portion 73, different with the section shape of extrusion forming portion 74 on being configured in other positions.In addition, suppose to be shaped to the extrusion forming product of linearity with fixing section, be installed under the situation on the position that as driver door back gone up the angle, has rapid curve, when making these extrusion forming product follow curve, sealing 72 may damaged be out of shape, and may cause leak tightness to descend.Therefore, current be difficult to by extrusion forming product constitute above-mentioned extrusion forming portion 73,74 the two, but the two is continuously shaped by mould molding portion 75,76.
The connection moulding of above-mentioned mould molding portion 75,76 is carried out usually as follows.At first, under the state of each mould die sinking of die device, an end of extrusion forming portion 73,74 is embedded the both ends of core respectively, with each mould matched moulds.Thereby, extrusion forming portion 73,74 is fixed on the die device, portion forms die cavity within it simultaneously.Under this state, injection and filling are in the elastomeric material of plastic state in die cavity.Then, the elastomeric material sulfuration is solidified, once curing is completed simultaneously,, forming mould forming part 75 (or 76) is taken out from die device with core successively with each mould die sinking.Then, by extracting core, thereby obtain by the integrally formed formed body of extrusion forming portion 73,74 and mould molding portion 75 (or 76) from mould molding portion 75 (or 76).As the above-mentioned connection moulding of carrying out mould molding portion 75,76 is very loaded down with trivial details operation, has the problem of the increase that how to suppress manufacturing cost.In addition, this connection moulding meeting aggravates the problems referred to above, and may cause the further decline of exterior quality or leak tightness.
The present invention In view of the foregoing proposes, and its purpose is to provide a kind of door weather strip and manufacture method thereof, and it can realize the raising of exterior quality, shape stability, installation tracing ability, leak tightness etc., can realize Fabrication procedure's simplification simultaneously.
Below, the various schemes that the subitem explanation is used to address the above problem.And, record and narrate the peculiar action effect of cooresponding scheme etc. as required.
1. 1 kinds of door weather strips of scheme, the roughly whole zone of the length direction of its main part is made of an extrusion forming body, and this main part is made of following part at least: base portion is installed, and it is installed on the car door periphery of vehicle; And the sealing of hollow form, it is crimped on when closing of the door on the car door opening periphery, it is characterized in that, regulation zone at length direction, has the mould molding body of installing along the length direction of aforementioned body portion, aforementioned regulation zone comprises at least along the whole zone of length direction of the top portion of car door rising wood configuration, aforementioned mould molding body has tongue-shaped sealed lip, in the car of the aforementioned sealing outside and the crimping of car door opening periphery, the outstanding length of sealing lip is corresponding with the shape of car door opening periphery and change on the length direction of self when closing of the door for the sealing lip.
According to such scheme 1, by the main part that the door weather strip that base portion and sealing constitute is installed, the roughly whole zone of its length direction is made of an extrusion forming body.In addition, on top in the portion, be installed in the car outside of main part by the mould molding body that will form in addition, thereby on top in the portion necessary sealed lip be set.Therefore, need not as prior art, two extrusion forming bodies are carried out mould molding connect this very loaded down with trivial details operation, can simplify Fabrication procedure, suppress the increase of manufacturing cost simultaneously.
In addition, in the top portion of the door weather strip of the dressed to eh nines of car door rising wood configuration, it no matter is sealing towards the main part of car inboard, still when closing of the door under car door and the car door opening week intermarginal slit situation of observing, on the sealed lip of the mould molding body that constitutes car outside design surface, can not form the seam between such extrusion forming body of prior art and bight mould molding body.Therefore, can not appear at that connection lead exposes in the top portion of door weather strip, and end wise identifies problems such as color gloss part there are differences, can realize that exterior quality improves.In addition, can on each sealing, not form step yet, can improve leak tightness.In addition, because the degree of freedom that mould molding body and extrusion forming body are compared product design is higher, therefore, even under the situation of and variation corresponding with car door opening peripheral shape in the outstanding length that makes sealed lip, also can the not be squeezed restriction of moulding can the moulding easily by mould molding.
In addition, in such scheme 1, record " length direction regulation zone comprises at least along the whole zone of length direction of the top portion of car door rising wood configuration ", but in the prior art, position before being configured on upper corner and the back upper corner is made of bight mould molding body, wherein, preceding upper corner is by crossing the forming of car door rising wood and preceding vertical edge portion, back upper corner is by crossing the forming of the vertical edge portion of car door rising wood and back, hence one can see that, preferably aforementioned in the design " length direction regulation zone ", comprise with aforementioned top portion consecutive before the part of upper corner and near preceding longitudinal edge portion thereof, and with the part of aforementioned top portion consecutive back upper corner and near back longitudinal edge portion thereof.
Under this situation, even will be shaped to the aforementioned body portion of the extrusion forming body of linearity with the regulation section, be installed on the position that as the bight of car door rising wood, has rapid curve, this extrusion forming body is followed under the situation of curve, also can be by above-mentioned mould molding body is installed, improve rigidity, sealing damages this problem of distortion when installing on the car door periphery thereby be suppressed at.
According to such scheme 2, by make its with the car lateral surface state of contact that base portion is installed under the installation mold formed body, and the stability of installing condition between raising mould molding body and main part, simultaneously, improve the rigidity of door weather strip top portion's integral body on bending direction (length direction), further improve the action effect that is suppressed at sealing damage distortion when on the car door periphery, installing in the such scheme 1.If by on the part of main part, forming slit, in this slit, insert this structure of sealing lip sheet that separately forms, then be difficult to obtain above-mentioned effect.In addition, according to such structure, make probably the rainwater that enters from the car outside etc. via slit portion by sealing lip sheet side into the car.Relative therewith, because such scheme is to carry out installing under the face state of contact in the car outside that makes mould molding body and main part, rainwater etc. passes through the mould molding body and the slit of side into the car so be difficult to form.In addition,, then can make sealed lip and the crimping of car door opening periphery, pass through mould molding body side into the car thereby can suppress rainwater etc. more reliably if adopt the structure of base end part and the car door periphery butt make the mould molding body.Its result can realize the raising of leak tightness.
According to such scheme 3, can prevent coming off of mould molding body, further improve the stability of installing condition simultaneously.In addition, need not to use in addition fixed cell etc., can realize the minimizing of number of parts.
According to such scheme 4, can prevent coming off of mould molding body, further improve the stability of installing condition simultaneously.In addition,, therefore can simplify die device, reduce manufacturing cost owing to need not on the mould molding body integrally formed engagement section etc.
According to such scheme 5, because the mould molding body is made by thermoplastic materials such as synthetic resin material, thermoplastic elastomers, so can improve the rigidity of mould molding body, and then improve the rigidity of door weather strip top portion's integral body on bending direction, thereby can further improve the action effect that is suppressed at sealing damage distortion when on the car door periphery, installing in the such scheme 1.
Usually, for sliding and the resistance to abrasion that improves door weather strip, surface treatments such as silicon spraying are implemented on the surface of each sealing.For the extrusion forming body, this surface treatment procedure can be added in a series of Detroit automations on the manufacturing line, yet, for the mould molding body, must after moulding, carry out surface treatment.Relative therewith, owing to do not needing to connect among the present invention of moulding,, can in this material, add lubricant etc. in advance by forms the mould molding body by thermoplastic material, therefore, can omit the surface treatment procedure after the moulding, the simplification of realization Fabrication procedure.
According to such scheme 6, because when door weather strip being installed on the car door periphery, the connecting portion of main part with attractive position, therefore can be realized the further raising of exterior quality in difficult.
The manufacture method of 7. 1 kinds of door weather strips of scheme, the roughly whole zone of the length direction of the main part of this door weather strip is made of an extrusion forming body, and this main part is made of following part at least: base portion is installed, and it is installed on the car door periphery of vehicle; And the sealing of hollow form, it is crimped on when closing of the door on the car door opening periphery, it is characterized in that, and this manufacture method has: the extrusion forming operation, this operation is carried out the extrusion forming of aforementioned body portion; The mould molding operation, this operation is carried out the moulding of mould molding body, and this mould molding body has when closing of the door and the tongue-shaped sealed lip of car door opening periphery crimping at least; And installation procedure, this operation is installed in aforementioned mould molding body on the length direction regulation zone in the aforementioned body portion, and aforementioned regulation zone comprises at least along the whole zone of length direction of the top portion of car door rising wood configuration.
According to such scheme 7, need not as prior art two extrusion forming bodies to be carried out mould molding and connect this very loaded down with trivial details operation, can simplify Fabrication procedure, can suppress the increase of manufacturing cost.In addition, because the degree of freedom that mould molding body and extrusion forming body are compared product design is higher, therefore, even under the situation of and variation corresponding with the shape of car door opening periphery in the outstanding length of sealed lip, also can the not be squeezed restriction of moulding can the moulding easily by mould molding.And then, can make as above-mentioned scheme 1 described door weather strip, it can realize raising of exterior quality, shape stability, installation tracing ability, leak tightness etc. etc.
The manufacture method of scheme 8. door weather strips according to claim 7, it is characterized in that, in a series of Detroit automation operations after aforementioned extrusion forming operation, have: the hole forms operation, and this operation interval with regulation in aforementioned body portion forms hole portion; And the clamp member installation procedure, the erecting device of this operation utilization regulation, the clamp member that will be used for fixing on the car door periphery is mounted in the aforementioned apertures portion.
Current, when door weather strip being mounted on the car door periphery,, fix by anchor clamps or Acrylic Foam Tape etc. in order to limit the skew of door weather strip.For example, using anchor clamps fixedly under the situation of door weather strip, as shown in figure 11, at first, on the installation base portion 71 of door weather strip 70 with the interval formation mounting hole 78 of regulation, plug-in mounting anchor clamps 80 in this mounting hole 78.Then, by the front end of anchor clamps 80 is embedded in the embedded hole that is formed on the car door periphery, and finish the installation of door weather strip 70.In the operation of door weather strip 70 adjusting devices 80, for mould molding portion, current employing handwork.This is owing to across corner mould molding body after the extrusion forming operation is finished connects moulding, thereby can't be added in a series of Detroit automations of extrusion forming operation.For this point, the structure of this programme that constitutes by an extrusion forming body according to the roughly whole zone of the length direction that makes main part, can in a series of Detroit automations of extrusion forming operation, carry out the installation exercise of whole clamp member automatically by the erecting device of regulation.Its result owing to do not need to be undertaken by handwork the installation exercise of loaded down with trivial details clamp member, therefore can simplify Fabrication procedure, improves operating efficiency.In addition, current, with cooresponding extrusion forming portion of top portion 73, the ratio anchor clamps 80 in its bottom surface more are pasted with Acrylic Foam Tape on the position by the car outside, fix by using this Acrylic Foam Tape and anchor clamps 80 simultaneously.
Description of drawings
Fig. 1 is the oblique drawing of expression vehicle.
Fig. 2 is the oblique drawing of expression sealing band single-piece schematic configuration.
Fig. 3 is the J-J line section-drawing of Fig. 2.
Fig. 4 is the M-M line section-drawing of Fig. 2.
Fig. 5 is the L-L line section-drawing of Fig. 2.
Fig. 6 is the K-K line section-drawing of Fig. 2.
Fig. 7 is that expression is used for the secondary sealing element of moulding and the section-drawing of the die device that uses.
Fig. 8 is the scheme drawing of a part of the manufacturing line of expression main part.
Fig. 9 is the section-drawing of the sealing band of other embodiments.
Figure 10 is the section-drawing of the sealing band of other embodiments.
Figure 11 is the oblique drawing of the current sealing band single-piece schematic configuration of expression.
The specific embodiment
Below, with reference to accompanying drawing an embodiment is described.As shown in Figure 1, on the car door peristome 2 of vehicle 1 vehicle body, driver door 3 (being designated hereinafter simply as car door) can be set with opening and closing.Door weather strip (being designated hereinafter simply as " sealing band ") 4 is installed on the periphery of car door 3.
The sealing band 4 of present embodiment forms ring-type along car door 3 peripheries.In more detail, as shown in Figure 2, sealing band 4 is made of following part: the main part 5 of ring-type, its rising wood along car door 3, preceding vertical edge portion, the configuration of the vertical edge portion of lower edge and back; And secondary sealing element 6 (indicating the part of stipple pattern among this figure), it is installed on this main part 5, along the rising wood configuration of car door 3.Wherein, the fitting limit of secondary sealing element 6, except along the whole length direction of the top portion 7 of the main part 5 of the rising wood of car door 3 configuration, also comprise with aforementioned top portion 7 consecutive before upper corners 8 and near preceding longitudinal edge portion 9 thereof a part and with the part of top portion 7 consecutive back upper corners 10 and near back longitudinal edge portion 11 thereof.In addition, Fig. 2 is the oblique drawing of expression sealing band 4 single-piece schematic configuration.Wherein, in Fig. 2, for simplicity, the part of main part 5 and secondary sealing element 6 is blocked and illustrated, but in fact sealing band 4 forms continuously in the whole zone of length direction as mentioned above.
Describe main part 5 in detail here.Main part 5 is made of the extrusion forming body, forms continuously with same section shape in the whole zone of length direction, and this extrusion forming body is to utilize the single lead screw ex truding briquetting machine of regulation to form with linearity.And being formed by connecting by the length direction both ends with the extrusion forming body is ring-type.In the present embodiment, under the state of the length direction both ends butt joint that makes the extrusion forming body, be connected and fixed by twine not shown Decorative adhesive tape around it, this connecting portion 12 is positioned at the following portion 13 of main part 5.In addition, in the present embodiment,, adopt EPDM (ethylene-propylene-diene copolymer) rubber as the material of main part 5.
J-J line section-drawing as Fig. 2 is promptly shown in Figure 3, and main part 5 possesses installation base portion 21 and the inner hollow form sealing 23 with hollow bulb 22 that is installed on car door 3 peripheries.
In addition, on basal part 25, form anchor clamps mounting hole 30 (with reference to Fig. 2) as hole portion with the interval of regulation, install and fix with clamp member 31 via this anchor clamps mounting hole 30, this clamp member 31 is used for sealing band 4 is fixed to the inner panel of car door 3.In addition, though not shown, the top portion 7 of main part 5 is pasted with Acrylic Foam Tape on the position outside the ratio clamp member 31 of its basal part 25 is more leaned on car, fixes by using this Acrylic Foam Tape and clamp member 31 simultaneously.
Below, describe secondary sealing element 6 in detail.Secondary sealing element 6 is to utilize the aftermentioned die device and the mould molding body that forms, is made of dynamic crosslinking type olefin hydrocarbons thermoplasticity elastic body (TPV).In addition, in the present embodiment, in the TPV material, add lubricant etc. in advance, be omitted in this surface treatment procedure of coating lubricant after the moulding.As Fig. 4～shown in Figure 6, secondary sealing element 6 is corresponding with the peripheral shape of car door peristome 2 and the section shape end wise changes.Fig. 4 is the M-M line section-drawing of Fig. 2, and Fig. 5 is a L-L line section-drawing, and Fig. 6 is a K-K line section-drawing.
In the car inboard of engaging base portion 35, form snap fit tabs 33 (with reference to Fig. 5) as the engagement section with the interval of regulation.Corresponding with it, formation connecting hole 37 on the car outside side wall portion 27 of base portion 21 is being installed.Thus, when being mounted to secondary sealing element 6 on the main part 5, snap fit tabs 33 is inserted in the connecting hole 37, become the inboard state that is ended by card of car, suppress coming off of secondary sealing element 6 at car outside side wall portion 27.
In addition, car inboard at engaging base portion 35, on than the position of aforementioned snap fit tabs 33 more close sealing band 4 outer circumferential sides (upside among the figure), form the 1st engaging recessed part 39, in than aforementioned snap fit tabs 33 more close sealing bands 4, form the 2nd engaging recessed part 40 simultaneously on the position of all sides (downside among the figure).Corresponding with it, forming the 1st snap fit tabs 41 of giving prominence to the car outside on the main part 5, form simultaneously from the 2nd snap fit tabs 42 of the car outboard end projection of basal part 25 near the root of sealing 23.Thus, when secondary sealing element 6 is installed on main part 5, the 1st snap fit tabs 41 becomes the state that embeds in the 1st engaging recessed part 39, and the 2nd snap fit tabs 42 becomes the state that embeds in the 2nd engaging recessed part 40 simultaneously, and main part 5 and secondary sealing element 6 become the state of being close to.
In addition,, promptly form foot 44 on interior all side positions of sealing band 4 at the base end part of secondary sealing element 6, in the time of on the inner panel that sealing band 4 is mounted to car door 3, this foot 44 and inner panel butt.In addition, corresponding with the shape of car door 3 peripheries and be formed with auxiliary seal lip 45 on the car of secondary sealing element 6 outside, realize the stability and the leak tightness of the installing condition of raising sealing band 4 thus.
Below, the manufacture method of the sealing band 4 with said structure is described.The Fabrication procedure of secondary sealing element 6 at first is described for convenience of explanation.This operation is equivalent to the mould molding operation of present embodiment.Fig. 7 is the section-drawing of expression die device 51 of use for the above-mentioned secondary sealing element 6 of moulding.
But die device 51 possesses fixed die 52 and a plurality of dynamic model (but but but the 1st dynamic model the 53, the 2nd dynamic model the 54, the 3rd dynamic model 55) that for example is positioned at the right side.But the 1st～the 3rd dynamic model 53～55 is set to, and can pass through not shown pressure cylinder etc., moves with respect to fixed die 52.But on fixed die 52 and dynamic model 53～55, form the cooresponding forming surface of outer shape respectively with secondary sealing element 6.
And,, in the die cavity 56 that forms by above-mentioned forming surface, inject the TPV that filling is in plastic state by not shown injection hole with each mould 52～55 matched moulds.Then, TPV is solidified, but simultaneously after curing is finished successively with dynamic model 53～55 die sinkings, from die device 51 mold removal formed bodys, obtain secondary sealing element 6 thus.
Below, the Fabrication procedure of main part 5 is described.Fig. 8 is the scheme drawing of a part of the manufacturing line of expression main part 5, and among this figure, main part 5 is manufactured in right-hand propelling from the left side.
In the extrusion forming operation, supply with the EPDM half finished rubbers continuously to rubber extruded machine 61, by the mould of rubber extruded machine 61 with main part 5 extrusion formings.
After vulcanization process in, the main part that squeezes out 5 is imported in the high-frequency vulcanization grooves (UHF) 62, implement once sulfuration.Then, import in the hot blast sulfur tank (HAV) 63, implement post-cure, thereby finish sulfuration.
Then, main part 5 is imported driling unit 65, behind the formation anchor clamps mounting hole 30, utilize the erecting device 66 of regulation that clamp member 31 is mounted in this anchor clamps mounting hole 30.Therefore, above-mentioned operation is equivalent to the hole formation operation and the clamp member installation procedure of present embodiment.
Through after these operations, utilize the size severing main part 5 of shears 67 with regulation.Then, will connect as mentioned above with the both ends of the main part 5 of given size severing and obtain the main part 5 of ring-type.
Then, by main part 5 and the secondary sealing element 6 of assembling moulding in the above described manner, and obtain sealing band 4.When secondary sealing element 6 is installed on main part 5, by one side snap fit tabs 33 is inserted in the connecting holes 37, on one side the 1st engaging recessed part 39 and the 2nd engaging recessed part 40 is chimeric with the 1st snap fit tabs 41 and the 2nd snap fit tabs 42 respectively, thereby finish installation.This operation is equivalent to the installation procedure of present embodiment.
The sealing band 4 of manufacturing as implied above in the embedded hole 69 that clamp member 31 is embedded on the inner panel that is formed at car door 3, and is fixed on car door 3 peripheries.Like this, when car door 3 is closed,, thereby will seal between car door 3 and the vehicle body by the periphery crimping of sealing 23 and sealed lip 36 and car door peristome 2.
As detailed above, in the present embodiment, the main part 5 by the sealing band 4 that base portion 21 and sealing 23 constitute is installed is formed by an extrusion forming body in the roughly whole zone of its length direction.In addition, on top in the portion 7, be mounted to the car outside of main part 5 by the secondary sealing element 6 that will form in addition, thereby on top in the portion 7 necessary sealed lip 36 be set.Therefore, do not need as prior art 2 extrusion forming bodies to be carried out mould molding and connect this very loaded down with trivial details operation, can realize the simplification of Fabrication procedure, can suppress the increase of manufacturing cost simultaneously.
In addition, in the top of more showy sealing band 4 one 7, no matter be on the sealing 23 of the main part 5 of car inboard, still when car door 3 is closed under the situation of all intermarginal slit observation of car door 3 and car door peristome 2, on the sealed lip 36 of the secondary sealing element 6 that constitutes car outside design surface, can not form the seam between such extrusion forming body of prior art and bight mould molding body.Therefore, can not appear at that connection lead exposes in the top portion 7 of sealing band 4, and end wise identifies problems such as color gloss part there are differences, can improve exterior quality.In addition, can on sealing 23 and sealed lip 36, not form step yet, can improve leak tightness.In addition, because the mould molding body is higher with the degree of freedom that the extrusion forming body is compared product design, therefore, even under the situation that end wise changes in that the peripheral shape of the outstanding length of the sealed lip 36 that makes secondary sealing element 6 and car door peristome 2 is corresponding, also can the not be squeezed restriction of moulding can the moulding easily by mould molding.
In addition, the fitting limit of the secondary sealing element 6 of present embodiment, except comprising along the whole zone of length direction of the top portion 7 of the main part 5 of the rising wood of car door 3 configuration, also comprise with this top portion 7 consecutive before upper corners 8 and near preceding longitudinal edge portion 9 thereof a part and with the part of top portion 7 consecutive back upper corners 10 and near back longitudinal edge portion 11 thereof.Therefore, even make the main part 5 that is shaped to the extrusion forming body of linearity with fixing section, follow under the situation of curve rapid as preceding upper corner 8 and back upper corner 10, also can be suppressed at sealing 23 these problems of damage distortion when on car door 3 peripheries, installing.
In addition, when being mounted to secondary sealing element 6 on the main part 5, as mentioned above, make the 1st snap fit tabs 41 become the state that embeds in the 1st engaging recessed part 39, the 2nd snap fit tabs 42 becomes the state that embeds in the 2nd engaging recessed part 40 simultaneously, thus so that install under the car lateral surface state of contact of the car outside side wall portion 27 of the engaging base portion 35 of secondary sealing element 6 and installation base portion 21.Thus, improve the stability of main part 5 and 6 installing conditions of secondary sealing element, improve the rigidity of top portion 7 integral body on bending direction (length direction) of sealing band 4 simultaneously, further improve and when on car door 3 peripheries, installing, suppress the action effect that sealing 23 damages distortion.In addition, because between main part 5 and the secondary sealing element 6, be difficult to form rainwater etc. by this pair sealing element 6 gap of side into the car, so leak tightness improves.
In addition, by foot 44 and the auxiliary seal lip 45 of setting, can improve the stability and the leak tightness of sealing band 4 installing conditions with the inner panel butt of car door 3.
In addition, on the secondary sealing element 6 of present embodiment, form the snap fit tabs 33 that is used to make this pair sealing element 6 and main part 5 cards to end.So, do not need to use in addition fixed cell etc., can reduce number of parts.
In addition, in the present embodiment, in the TPV material that constitutes secondary sealing element 6, add lubricant etc. in advance.Therefore, the surface treatment procedure after secondary sealing element 6 moulding can be omitted, the simplification of Fabrication procedure can be realized.
In addition, in the present embodiment, the connecting portion 12 of main part 5 is positioned in the following portion 13.Therefore, when sealing band 4 is installed to car door 3 peripheries,, therefore can further improve exterior quality because the connecting portion 12 of main part 5 is positioned at than background.
In addition, in the present embodiment, can utilize erecting device 66, in a series of Detroit automations of the Fabrication procedure of main part 5, carry out automatically clamp member 31 is mounted to operation in the anchor clamps mounting hole 30.Its result does not need to be undertaken by handwork the installation exercise of loaded down with trivial details clamp member 31, can simplify Fabrication procedure thus, improves operating efficiency.
In addition, be not limited in the described content of above-mentioned embodiment, for example also can as followsly implement.Certainly, other application examples, the variation do not enumerated below also are fine.
(a) in the above-mentioned embodiment, be to specialize, but also be applicable to the sealing band on the circumference that is installed in other car doors such as tail gate at the sealing band 4 that is installed on driver door 3 peripheries.
(b) sealing band 4 of above-mentioned embodiment is mounted in the ring-like sealing band that makes progress in whole week of car door 3 peripheries, but must not be ring-like, also can be installed in partly in the scope that comprises car door 3 rising woods at least.
(c) fitting limit of the secondary sealing element 6 of above-mentioned embodiment, except comprising along the whole zone of length direction of the top portion 7 of the rising wood of car door 3 configuration, also comprise with this top portion 7 consecutive before upper corners 8 and near preceding longitudinal edge portion 9 thereof a part and with the part of top portion 7 consecutive back upper corners 10 and near back longitudinal edge portion 11 thereof.But not only be defined in this, the fitting limit of secondary sealing element 6 comprises in the past upper corner 8 to the whole zone of length direction of the top portion 7 of back upper corner 10 at least and gets final product.For example, also can constitute the secondary sealing element 6 of installation on all parts that are configured in stringcourse B (with reference to Fig. 1) top of car door 3.
(d) in the above-mentioned embodiment, the connecting portion 12 of main part 5 is positioned in the following portion 13, but is not limited in this, so long as get final product than background.For example, also can constitute make connecting portion 12 be positioned at the pivot side of car door 3, promptly along in the preceding longitudinal edge portion 9 of preceding vertical edge portion configuration.
(e) in the above-mentioned embodiment,, and prevent that secondary sealing element 6 from coming off by one-body molded snap fit tabs 33 on secondary sealing element 6.But be not limited in this, also can constitute and omit snap fit tabs 33, and secondary sealing element 6 is fixed on the main part 5 by other fixed cells.
For example, also can replace the 1st engaging recessed part 39 that is formed on engaging base portion 35 car inboards, with be formed on the shape of the 1st snap fit tabs 41 on the main part 5 accordingly with it, and as shown in Figure 9, employing makes the 1st snap fit tabs 91 of main part 5 overlapping with sealed lip 36, thereby the structure that engages with the 1st engaging recessed part 92, simultaneously, adopt following structure, promptly, for the 1st snap fit tabs 91 of clamping main part 5 and the sealed lip 36 of secondary sealing element 6, and fix by synthetic resin system rivet 93, and for the car outside side wall portion 27 of clamping main part 5 and the engaging base portion 35 of secondary sealing element 6, and fix by rivet 94.
Certainly, also can both be fixed, can also use other fixed forms such as lining cement, Acrylic Foam Tape by thermal welding or stitching etc.
(f) in the above-mentioned embodiment, main part 5 is formed by EPDM rubber, and secondary sealing element 6 is formed by TPV.But the material that constitutes sealing band 4 is not limited in this.For example, also other rubber can be used, resin materials such as thermoplastic elastomer can also be used as the material of main part 5.In addition, also can use soft synthetic resin material, can also use elastomeric materials such as EPDM rubber as the material of secondary sealing element 6.In addition, also can in the material that constitutes secondary sealing element 6, not add lubricant etc. in advance.But, in this case, the surface treatment procedure after secondary sealing element 6 moulding of needs.
(g) in the above-mentioned embodiment, when making main part 5 become ring-type, utilize Decorative adhesive tape that the length direction both ends of extrusion forming body are connected and fixed.But be not limited in this, for example, also can be connected and fixed, can also use other fixed form such as lining cement by thermal welding or vibration welded etc.
(h) in the above-mentioned embodiment, enumerated the example that uses clamp member 31 and Acrylic Foam Tape that the top portion 7 of main part 5 is fixed simultaneously, but, also can section be installed in the rising wood of car door 3 for the other retainer of C word shape roughly, sealing band 4 be installed in this retainer by being embedded in by spot welding etc.Under this situation, can make the installation of sealing band 4 easy, can also improve the leak tightness between car door 3 rising wood place sealing bands 4 and the retainer (car door 3) simultaneously.
Claims (8)
1. door weather strip, the roughly whole zone of the length direction of its main part is made of an extrusion forming body, and this main part is made of following part at least: base portion is installed, and it is installed on the car door periphery of vehicle; And the sealing of hollow form, it is crimped on when closing of the door on the car door opening periphery,
It is characterized in that,
In the regulation zone of length direction, have the mould molding body of installing along the length direction of aforementioned body portion, aforementioned regulation zone comprises at least along the whole zone of length direction of the top portion of car door rising wood configuration,
Aforementioned mould molding body has tongue-shaped sealed lip, in the car of the aforementioned sealing outside and the crimping of car door opening periphery, the outstanding length of sealing lip is corresponding with the shape of car door opening periphery and change on the length direction of self when closing of the door for the sealing lip.
2. door weather strip according to claim 1 is characterized in that,
Aforementioned mould molding body is to be mounted with the car lateral surface state of contact of aforementioned installation base portion at least.
3. door weather strip according to claim 1 is characterized in that,
Form the engagement section on aforementioned mould molding body, this engagement section is used for this mould molding body and aforementioned body portion card are ended.
4. door weather strip according to claim 1 is characterized in that,
By fixing aforementioned mould molding body of the fixed cell of regulation and aforementioned body portion.
5. door weather strip according to claim 1 is characterized in that,
Aforementioned mould molding body is formed by thermoplastic material.
6. according to each described door weather strip in the claim 1 to 5, it is characterized in that,
Aforementioned body portion, being formed by connecting by the both ends with aforementioned extrusion forming body is ring-type, this connecting portion is in along the following portion of car door lower edge configuration or along the regulation longitudinal edge portion of the vertical edge portion configuration of car door pivot side.
7. the manufacture method of a door weather strip, the roughly whole zone of the length direction of the main part of this door weather strip is made of an extrusion forming body, and this main part is made of following part at least: base portion is installed, and it is installed on the car door periphery of vehicle; And the sealing of hollow form, it is crimped on when closing of the door on the car door opening periphery,
It is characterized in that this manufacture method has:
The extrusion forming operation, this operation is carried out the extrusion forming of aforementioned body portion;
The mould molding operation, this operation is carried out the moulding of mould molding body, and this mould molding body has when closing of the door and the tongue-shaped sealed lip of car door opening periphery crimping at least; And
Installation procedure, this operation is installed in aforementioned mould molding body on the length direction regulation zone in the aforementioned body portion, and aforementioned regulation zone comprises at least along the whole zone of length direction of the top portion of car door rising wood configuration.
8. the manufacture method of door weather strip according to claim 7 is characterized in that,
In a series of Detroit automation operations after aforementioned extrusion forming operation, have:
The hole forms operation, and this operation interval with regulation in aforementioned body portion forms hole portion; And
The clamp member installation procedure, the erecting device of this operation utilization regulation, the clamp member that will be used for fixing on the car door periphery is mounted in the aforementioned apertures portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007020597 | 2007-01-31 | ||
| JP2007-020597 | 2007-01-31 | ||
| JP2007020597A JP2008184092A (en) | 2007-01-31 | 2007-01-31 | Door weatherstrip and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101234593A true CN101234593A (en) | 2008-08-06 |
| CN101234593B CN101234593B (en) | 2010-06-02 |
Family
ID=39727384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101990831A Expired - Fee Related CN101234593B (en) | 2007-01-31 | 2007-12-12 | Vehicle door sealing strip and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008184092A (en) |
| CN (1) | CN101234593B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101817298A (en) * | 2010-04-19 | 2010-09-01 | 常州朗博汽车零部件有限公司 | Circular hollow car door seat silica gel sealing ring and manufacture method thereof |
| CN101992916A (en) * | 2009-08-26 | 2011-03-30 | 中国国际海运集装箱(集团)股份有限公司 | Container door end sealing device and container with same |
| CN102971164A (en) * | 2010-06-29 | 2013-03-13 | 雷诺股份公司 | Device and method for sealing an opening spanning two surfaces of an automobile body that form an angle |
| CN105324263A (en) * | 2013-06-24 | 2016-02-10 | 3M创新有限公司 | Taped seal construction |
| CN107215189A (en) * | 2016-03-22 | 2017-09-29 | 西川橡胶工业股份有限公司 | The sealing structure of door weather strip |
| CN107685616A (en) * | 2017-07-25 | 2018-02-13 | 盐城美希密封件有限公司 | A kind of seal configuration for car door |
| CN109795093A (en) * | 2019-03-26 | 2019-05-24 | 苏州宝特远电子科技有限公司 | A kind of squeeze technology for forming of TPE, TPV door seal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5645563B2 (en) * | 2010-09-10 | 2014-12-24 | 西川ゴム工業株式会社 | Mounting structure for automotive door weatherstrip |
| CN102826052B (en) * | 2012-06-28 | 2016-01-27 | 宁波信泰机械有限公司 | A kind of weather strip for automobile and manufacture method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09226373A (en) * | 1996-02-21 | 1997-09-02 | Nishikawa Rubber Co Ltd | Weather strip for door |
| JP3796398B2 (en) * | 2000-08-22 | 2006-07-12 | 鬼怒川ゴム工業株式会社 | Weather strip for automobile and its manufacturing method |
| JP3716727B2 (en) * | 2000-09-04 | 2005-11-16 | 豊田合成株式会社 | Door weather strip |
| JP2002307952A (en) * | 2001-04-12 | 2002-10-23 | Toyo Tire & Rubber Co Ltd | Mounting structure of door weather strip |
| JP4292975B2 (en) * | 2003-12-17 | 2009-07-08 | 豊田合成株式会社 | Weather strip |
| JP4344809B2 (en) * | 2004-09-02 | 2009-10-14 | 豊田合成株式会社 | Door weather strip |
-
2007
- 2007-01-31 JP JP2007020597A patent/JP2008184092A/en active Pending
- 2007-12-12 CN CN2007101990831A patent/CN101234593B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992916A (en) * | 2009-08-26 | 2011-03-30 | 中国国际海运集装箱(集团)股份有限公司 | Container door end sealing device and container with same |
| CN101992916B (en) * | 2009-08-26 | 2012-12-12 | 中国国际海运集装箱(集团)股份有限公司 | Container door end sealing device and container with same |
| CN101817298A (en) * | 2010-04-19 | 2010-09-01 | 常州朗博汽车零部件有限公司 | Circular hollow car door seat silica gel sealing ring and manufacture method thereof |
| CN102971164A (en) * | 2010-06-29 | 2013-03-13 | 雷诺股份公司 | Device and method for sealing an opening spanning two surfaces of an automobile body that form an angle |
| CN102971164B (en) * | 2010-06-29 | 2016-01-13 | 雷诺股份公司 | For the apparatus and method sealed the opening on two the angled surfaces crossing over auto body |
| CN105324263A (en) * | 2013-06-24 | 2016-02-10 | 3M创新有限公司 | Taped seal construction |
| CN105324263B (en) * | 2013-06-24 | 2018-08-28 | 3M创新有限公司 | Adhesive tape type seal construction |
| CN107215189A (en) * | 2016-03-22 | 2017-09-29 | 西川橡胶工业股份有限公司 | The sealing structure of door weather strip |
| CN107685616A (en) * | 2017-07-25 | 2018-02-13 | 盐城美希密封件有限公司 | A kind of seal configuration for car door |
| CN109795093A (en) * | 2019-03-26 | 2019-05-24 | 苏州宝特远电子科技有限公司 | A kind of squeeze technology for forming of TPE, TPV door seal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008184092A (en) | 2008-08-14 |
| CN101234593B (en) | 2010-06-02 |
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