CN106992477A - A kind of smooth lock-fit-type bellows and its manufacture method - Google Patents
A kind of smooth lock-fit-type bellows and its manufacture method Download PDFInfo
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- CN106992477A CN106992477A CN201710333911.XA CN201710333911A CN106992477A CN 106992477 A CN106992477 A CN 106992477A CN 201710333911 A CN201710333911 A CN 201710333911A CN 106992477 A CN106992477 A CN 106992477A
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- smooth
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- sealed
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 69
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0468—Corrugated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of smooth lock-fit-type bellows and its manufacture method, its bellows includes the smooth sealed area that body and the tube wall located at body in axial direction extend, and body is provided with annular ridge and annular grain tank；Smooth sealed area includes locking part and joint-cutting, body forms two free ends for being located at joint-cutting both sides at smooth sealed area, locking part is located on free end, locking part includes the smooth sealed face in the surface that in axial direction extends, sealed face is locked together on another free end inner surface, and body wall cross-section is shaped as helical annular.The smooth type of the present invention is sealed, it can guarantee that the free end at joint-cutting two ends has enough amounts of exercise each other by the body of helical annular, annular ridge and annular grain tank, it can ensure that joint-cutting is in normally off, smooth sealed face can ensure to need uncrossed also to distort during distortion on locking part, and dislocation is more prone to.
Description
Technical field
The present invention relates to wire harness protection field, more particularly to a kind of smooth lock-fit-type bellows and its manufacture method.
Background technology
Bellows can be for protecting the wire harness such as electric wire, cable not broken, the mechanical damage such as isolate, with pliability by drawing
Good, good bandability, acidproof, oil resistant, it is wear-resisting, pressure-resistant the advantages of, play protection wire, electric wire, cable, be also applied for simultaneously
The protection of the electric wire of some corners or bending, particularly has a wide range of applications in vehicle harness protection field.
Existing common bellows, including：1) do not crack bellows --- and body does not crack；2) crack bellows --- i.e.
A joint-cutting is opened in the axial direction of body；3) overlapping bellows --- on the basis of opening a joint-cutting in the axial direction of body, then
Increase overlapping portion at certain end of opening, joint-cutting is closed from after rolling up, on this basis, also increase button bit by body by overlapping portion
Fastened, prevent lap from splitting.
For the bellows 1 without joint-cutting) for, when a connector shell is initially installed to one end of electric wire,
Electric wire cannot pass through bellows.Therefore it may first have to which electric wire is loaded bellows, then connector shell could be installed to electricity
The end of line.In then installs connector shell, it is impossible to the end of each electric wire is inserted into shell with automation procedure.Therefore
Difficulty can be brought to Automated assembly process.
For the bellows with joint-cutting, joint-cutting can be opened and insert one group of electric wire.Connector shell can pacify in advance
It is attached to the end of electric wire.Therefore, the work for end being inserted into connector shell can be completed with automation procedure.However, working as
When being bent by the position of ripple protection of pipe, joint-cutting will be opened, and cause the bad phenomenons such as electric wire leakage, damage electric wire
Occur.Therefore the finger lock joint-cutting in insertion electric wire is needed.It can be wound on for this with a belt on the outer round surface of pipe, especially
It is that the easy aging of adhesive tape class comes off under long-time.But this work is pretty troublesome.
Bellows and the former difference with eclipsed form joint-cutting are only to be covered with the overlapping part of joint-cutting side in joint-cutting
On the corresponding site of opposite side, the defect of tape wrap is needed in order to overcome not split, button bit is additionally arranged and is fastened.But body two
End needs certain overlapping portion to need the presence of certain dislocation, with the twisting realized, it is free that the button bit set up hinders both sides
The dislocation motion at end, while degree of difficulty and difficulty of processing when also increasing insertion wire harness.
The disclosure of background above technology contents is only used for inventive concept and the technical scheme that auxiliary understands the present invention, and it is not
The prior art of present patent application is necessarily belonged to, the applying date of the above in present patent application is being shown without tangible proof
In the case of disclosed, above-mentioned background technology should not be taken to evaluate the novelty and creativeness of the application.
The content of the invention
Present invention aims at a kind of smooth lock-fit-type bellows and its manufacture method is proposed, to solve above-mentioned prior art
What is existed can not realize the technical problem of twisting dislocation well in the case where ensureing sealed joint-cutting well.
Therefore, the present invention proposes a kind of smooth lock-fit-type bellows, including body and the tube wall side vertically located at body
To the smooth sealed area of extension, body is provided with annular ridge and annular grain tank；Smooth sealed area includes locking part and joint-cutting, pipe
Body forms two free ends for being located at joint-cutting both sides at smooth sealed area, and locking part is located on free end, and locking part includes edge
The sealed face of the surface of axial direction extension smoothly, sealed face is locked together on another free end inner surface, and the tube wall of body is horizontal
Cross sectional shape is helical annular.
Preferably, the arc length in the arc length of locking part circumferencial direction and body circumferencial direction adds up to the circular caliber of body
Girth.
Preferably, the arc length of locking part circumferencial direction is added with the arc length on body circumferencial direction more than the circular caliber of body
Girth.
Preferably, joint-cutting is opened on locking part, and joint-cutting is opened at the root that locking part is connected with body.
Preferably, body includes the clip for being fastened on outer surface of tube body, and clip is along body axial direction with predetermined length
It is arranged at intervals, clip includes the bayonet socket adaptable with width of the smooth sealed area along body circumferencial direction.
In addition, in order to solve the above-mentioned technical problem, the invention also provides a kind of ripple pipe manufacturing method, for the system of processing
The smooth lock-fit-type bellows of as above any one is made, is comprised the following steps：
Extrusion：Body is formed by shaping raw material extrusion molding；
Shaping：Annular ridge and annular grain tank are molded on body, smooth lock is in axial direction formed in the tube wall of body
Area is closed, and molds in smooth sealed area locking part and along the smooth sealed face in the surface that locking part axial direction extends；
Groove：Groove is carried out to smooth sealed area, joint-cutting is formed in its axial direction, makes body at smooth sealed area
Form two free ends for being located at joint-cutting both sides；
Squeeze and close：The crowded conjunction of circumferencial direction is carried out to the body after groove, makes two free end closings each other of body, until
It is by locking part and smooth sealed face that joint-cutting is sealed.
Preferably, in groove step, groove is carried out to locking part and uses beveling technique, makes the free end shape at joint-cutting two ends
Into angle.
Preferably, in groove step, joint-cutting carries out groove on the locking part of formation, and joint-cutting is opened in locking part and pipe
At the root of body phase even.
Preferably, it is additionally included in squeeze after groove step and closes the step of extending before step to locking part, justifies locking part
The arc length of circumferential direction is added the girth more than the circular caliber of body with the arc length on body circumferencial direction.
Preferably, in addition to button step is added：Clip is arranged in outer surface of tube body, along body axial direction with predetermined length
It is arranged at intervals.
The beneficial effect that the present invention is compared with the prior art includes：The smooth type of the present invention is sealed, passes through helical annular
Body, annular ridge and annular grain tank can guarantee that the free end at joint-cutting two ends has enough amounts of exercise each other, it is ensured that joint-cutting
Smooth sealed face can ensure to need uncrossed also to distort during distortion in normally off, locking part, and dislocation is more
Plus easily.
Brief description of the drawings
Fig. 1 be the smooth lock-fit-type bellows of the specific embodiment of the invention open mode under three-dimensional view；
Fig. 2 is the sectional view of the closure state of the smooth lock-fit-type bellows of the specific embodiment of the invention；
Fig. 3 is the sectional view of the open mode of the smooth lock-fit-type bellows of the specific embodiment of the invention；
Fig. 4 is the box-like bellows body tube wall schematic shapes of specific embodiment of the invention sliding lock.
Fig. 5 is the flow chart of the smooth lock-fit-type bellows manufacture of the specific embodiment of the invention.
Embodiment
With reference to embodiment and compare accompanying drawing the present invention is described in further detail.It is emphasized that
What the description below was merely exemplary, the scope being not intended to be limiting of the invention and its application.
With reference to the following drawings, the embodiment of non-limiting and nonexcludability will be described, wherein identical reference is represented
Identical part, unless stated otherwise.
The present embodiment proposes a kind of smooth lock-fit-type bellows, as Figure 1-3, and the bellows includes body 1 and set
The smooth sealed area 2 in axial direction extended in the tube wall of body 1, body 1 is provided with annular ridge 11 and annular grain tank 12, ring
Shape ridge 11 and annular grain tank 12 can cause bellows to have good torsion resistance, certain oar be made it have, to adapt to line
The speciality of of beam itself.
Wire harness is inserted for convenience, as shown in Fig. 2 also including locking part in the smooth sealed area 2 that the surface of body 1 is set
21 and joint-cutting 22, due to having opened up joint-cutting 22, so body 1 forms two at smooth sealed area 2 is located at the both sides of joint-cutting 22
Free end 212, so-called free end 212 is the end that can have certain movement under the free degree of permission, due to body 1
Body just has the possibility that oar is deformed, and free end 212 will have certain motion with the deformation of body 1, such as in the axial direction
On, two free ends 212 in a circumferential direction, in radial directions, can may have with mutual dislocation with relative motion
Certain deformation, to open joint-cutting 22.
In the present embodiment, locking part 21 is provided with due to being provided with free end 212, so the free end 212 is in circle
During motion in circumferential direction, be located at the smooth sealed face 211 in surface that locking part 21 in axial direction extends will be locked together in it is another
On the inner surface of free end 212, joint-cutting 22 is thus pinned.
In the present embodiment, as shown in figure 4, the wall cross-section of bellows is shaped to helical annular, helical annular
Tube wall can ensure two automatic lockings of free end 212.Herein, helical is annular, is what shape, this reality as annular
Shi Zhong, annular is shaped as circle, certainly, and in the present embodiment in other flexible embodiments, annular can also be arranged to other
Annular shape, such as four side annulars etc., four side annulars herein are not construed as helical circular phase conflict.
Normal circle tube wall, is that can not provide the power of automatic locking, wants to realize while twisting misplaces well again
Ensure sealed joint-cutting 22 well, it is automatic that single setting with regard to annular ridge 11 and annular grain tank 12 can't provide free end 212
The internal stress of closure, so existing offer joint-cutting 22 and the body 1 of overlapping portion, in addition it is also necessary to set button bit to enter overlapping portion
Row fastening, prevents lap from splitting, the problem of can not then realizing sealed；
Based on this, necessary internal stress can be provided for free end 212 by being arranged to the body 1 of helical annular, pass through helical
The body 1 of annular and the annular ridge 11 being disposed thereon and annular grain tank 12 will be to free ends 212 together as an entirety
Bigger oar stress is produced, promotes free end 212 there are enough amount of relative motion in a circumferential direction；
So in the present embodiment, under normal condition, the joint-cutting 22 being arranged on body 1 is to be in closure state, and this is
Because the oar of body 1 enables body 1 to drive two free ends 212 to be further closed, like this so that be arranged on free end
Locking part 21 on 212 can be sealed with the free end 212 of the other end, in order to be able to allow locking part to be locked together in the free end of the other end
During surface, preferably it can be adapted with free end interior surface, the interior surface in the free end of the other end adds recess 215,
The setting of the recess 215, after locking part is sealed, preferably can make locking part sealed, meanwhile, the recess is axially disposed
, surface is even surface, and the sealed face of locking part is engaged with the even surface.
When sealed, the present embodiment is different from the sealed form of existing button bit, and the present embodiment is in order to which ensure can be good
Again two free ends 212 can be caused to realize twisting dislocation well in the axial direction during sealed joint-cutting 22, so using smooth lock
Close area 2 smooth sealed.
The locking part 21 in smooth sealed area 2 provided with the smooth sealed face 211 in surface, and the sealed face 211 be along
Axial direction extension, by the sealed face 211 of the axially extending setting of setting, two free ends 212 can be increased
Mutual contact area, improves the coincidence factor between two free ends 212.
By smooth sealed mode, for installation wiring, for the sealed mode of machinery, with installation
Convenient effect, because it is by setting buckle on overlapping portion, with the joint-cutting 22 that is connected to each other that most of existing machinery is sealed
Two ends, so in installation wiring, if buckle has been fastened, then needs in advance untie buckle, could be by line
Beam is got into joint-cutting 22, if the short wire harness of one section of comparison, this installation is also more convenient, but long for length
For wire harness, quick loading just can not be realized, while automation can not be realized.
After installing, because both ends open is all that machinery is sealed each other, then in the case where running into needs distortion, joint-cutting
Need to misplace at 22, the generation of dislocation is conducive to the bellows with joint-cutting 22 to possess good oar, due to existing
Design is all mechanical lock-fit-type, then will be unfavorable for opening two ends and realizes good dislocation, if joint-cutting 22 continues to distort, then
Machinery is sealed to be will be unable to maintain, that is to say, that the good mechanical connection of script, will cause the generation threading off, break off relations, it is impossible to after
Continuous to realize that machinery is sealed, thus, at opening, joint-cutting 22 will split, and expose wire harness.
The smooth type of the present embodiment is sealed, the problem of solving existing overlapping sealed, passes through the body 1 of helical annular, ring
Shape ridge 11 and annular grain tank 12 can guarantee that the free end 212 at the two ends of joint-cutting 22 has enough amounts of exercise each other, it is ensured that cut
Seam 22, which is in sealed face 211 smooth on normally off, locking part 21, can ensure to need uncrossed also to turn round during distortion
Song, dislocation is more prone to.
The present embodiment also proposed a kind of ripple pipe manufacturing method, the smooth lock-fit-type for fabricating as above any one
Bellows, as shown in figure 5, the formation of bellows comprises the following steps：
The first step：Extrusion：Body is formed by shaping raw material extrusion molding；
In the first step, what shaping raw material can be extruded material by extruder, body is formed for hollow form, and now body does not have
There is annular ridge peak also without annular grain tank, in the present embodiment, the shape of the body of extrusion is cylinder, as described previously for
The global shape of body, in other variant embodiments of the present embodiment, can select to set according to actual conditions, not do herein
Limitation.
Second step：Shaping：Annular ridge and annular grain tank are molded on body, is in axial direction formed in the tube wall of body
Smooth sealed area, and mold in smooth sealed area locking part and along smooth sealed in the surface that locking part axial direction extends
Face；
In second step, after extrusion, annular ridge, annular grain tank, smooth sealed area, locking part and sealed face are all mould shapes
Into.
3rd step：Groove：Groove is carried out to smooth sealed area, joint-cutting is formed in its axial direction, makes body smooth
Two free ends for being located at joint-cutting both sides are formed at sealed area；
In 3rd step, split, after bellows is formed, will be slotted for locking part, longitudinal direction axially
A bar groove is outputed, this bar groove is joint-cutting.
4th step：Squeeze and close：To after groove body carry out circumferencial direction crowded conjunction, make body two free ends 212 that
This closing, until by locking part and smooth sealed face that joint-cutting is sealed.
In 4th step, after joint-cutting, due to being directly to crack what is obtained on the body being molded, so after joint-cutting, pipe
Body can not be sealed by the free end at joint-cutting two ends, it is necessary to which the step of carrying out squeezing conjunction, squeezes and close step, in the body being molded again
The secondary extruding force for applying circumferencial direction, utilizes the oar of the plasticity and deformable ability of material, further increase body so that
The shape of cross section of body tube wall is helical annular, thus, changes the closing position of joint-cutting, can make body in normal condition
Under, the openend at joint-cutting two ends keeps sealed, and then sealed joint-cutting.
In the present embodiment, the main material of the bellows of shaping is plastic cement, such as PE, the modeling based on this material well
Property；The action of extrusion is realized on the basis of this.
In the present embodiment, in the groove step of the 3rd step, during cutting, groove can be carried out by the method for straight knife.Straight knife
The openend that cuts out of method when loading wire harness, easily internal wire harness can be made positioned at the port of tubular body than relatively sharp
, thus, can also be by oblique in other variant embodiments of the present embodiment into damage, it is impossible to play a very good protection
The mode of knife carries out groove, and groove is carried out using oblique knife, and openend is shaped as skewed angle 213, is unlikely to sharp
Profit, the damage to wire harness will be smaller.
During groove, energy seamless sealed, so-called seamless lock during in order to ensure that locking part 21 is locked together in another 212 inside of free end
After conjunction, i.e. locking part 21 are sealed, the free end 212 of locking part 21 and (pipe herein at the root 214 of body connecting place are provided with
Body is cut off provided with the locking part 21 that annular ridge peak and annular grain tank 12 are smoothed) annular ridge 11 and annular grain tank 12 and separately
Annular ridge 11 and annular grain tank 12 at one free end 212 are fitted, so, during groove, locking part 21 of the joint-cutting 22 in formation
Upper carry out groove, joint-cutting 22 is opened at the root that locking part 21 is connected with body.Corresponding, the smooth lock in the present embodiment
For box-like bellows, joint-cutting 22 is opened on locking part 21, and joint-cutting 22 is opened in the root 214 that locking part 21 is connected with body
Place.
In smooth lock-fit-type bellows in the present embodiment, the arc length and body circumferencial direction of the circumferencial direction of locking part 21
Arc length add up to the girth of the circular caliber of body.But in order to improve the coincidence factor of locking part 21, in the present embodiment some
In alternative embodiments, the arc length of the circumferencial direction of locking part 21 is added with the arc length on body circumferencial direction more than the circular caliber of body
Girth.During processing, being squeezed after groove step will extend before closing step to locking part 21, make the arc of locking part circumferencial direction
The long girth being added with the arc length on body circumferencial direction more than the circular caliber of body.
In the present embodiment, in some specific distortion angles, still there is the risk of naked wire, such as the dorsal part bent is to cut
When stitching 22, will occur more readily uncontrolled deformation, thus for the process of installation is in some particular twist directions, it is necessary to
Assume certain clip in preset distance, the shape of the clip include one it is adaptable with the smooth sealed tangential direction width of area 2
Bayonet socket, clip can around body rotary setting, when needing installation wiring, by the bayonet socket of clip rotate to smooth sealed area 2
Opposite position.Therefore, in processing, one plus button technique can be increased, i.e.,：Clip is arranged in outer surface of tube body, along pipe
Body axial direction is arranged at intervals with predetermined length.
It would be recognized by those skilled in the art that it is possible that numerous accommodations are made to above description, so embodiment is only
For describing one or more particular implementations.
Although having been described above and describing the example embodiment for being counted as the present invention, it will be apparent to those skilled in the art that
It can be variously modified and replaced, without departing from the spirit of the present invention.Furthermore it is possible to make many modifications with by spy
Condition of pledging love is fitted to the religious doctrine of the present invention, without departing from invention described herein central concept.So, the present invention is unrestricted
In specific embodiment disclosed here, but the present invention all embodiments that may also include belonging to the scope of the invention and its equivalent
Thing.
Claims (10)
1. a kind of smooth lock-fit-type bellows, it is characterised in that：Including body and located at the body tube wall in axial direction
The smooth sealed area of extension, the body is provided with annular ridge and annular grain tank；The smooth sealed area include locking part and
Joint-cutting, the body forms two free ends for being located at the joint-cutting both sides, the sealed position at the smooth sealed area
In on the free end, the locking part includes the smooth sealed face in the surface that in axial direction extends, and the sealed face is sealed
On another free end inner surface, the body wall cross-section is shaped as helical annular.
2. smooth lock-fit-type bellows as claimed in claim 1, it is characterised in that：The arc length of the locking part circumferencial direction and
Arc length on the body circumferencial direction adds up to the girth of the circular caliber of the body.
3. smooth lock-fit-type bellows as claimed in claim 1, it is characterised in that：The arc length of the locking part circumferencial direction and
Arc length on the body circumferencial direction is added the girth for being more than the circular caliber of the body.
4. smooth lock-fit-type bellows as claimed in claim 1, it is characterised in that：The joint-cutting is opened in the locking part
On, the joint-cutting is opened at the root that the locking part is connected with the body.
5. smooth lock-fit-type bellows as claimed in claim 1, it is characterised in that：The body includes being fastened on the body
The clip of outer surface, the clip is arranged at intervals along the body axial direction with predetermined length, and the clip includes and institute
State the adaptable bayonet socket of width of the smooth sealed area along the body circumferencial direction.
6. a kind of ripple pipe manufacturing method, it is characterised in that smooth as described in claim any one of 1-5 for fabricating
Lock-fit-type bellows, comprises the following steps：
Extrusion：Body is formed by shaping raw material extrusion molding；
Shaping：Annular ridge and annular grain tank are molded on body, smooth lock is in axial direction formed in the tube wall of the body
Area is closed, and molds in the smooth sealed area locking part and the smooth lock in the surface that extends along the locking part axial direction
Conjunction face；
Groove：Groove is carried out to the smooth sealed area, joint-cutting is formed in its axial direction, makes the body described smooth
Two free ends for being located at the joint-cutting both sides are formed at sealed area；
Squeeze and close：The crowded conjunction of circumferencial direction is carried out to the body after groove, makes two free end closings each other of the body, until
It is by locking part and smooth sealed face that the joint-cutting is sealed.
7. ripple pipe manufacturing method as claimed in claim 6, it is characterised in that in groove step, enters to the locking part
Row groove uses beveling technique, the free end at the joint-cutting two ends is formed angle.
8. ripple pipe manufacturing method as claimed in claim 6, it is characterised in that in groove step, the joint-cutting is being formed
The locking part on carry out groove, the joint-cutting is opened at the root that the locking part is connected with the body.
9. ripple pipe manufacturing method as claimed in claim 6, it is characterised in that be additionally included in squeeze after groove step and close before step
The step of extending to locking part, makes the arc length phase in the arc length and the body circumferencial direction of the locking part circumferencial direction
Increase in the girth of the circular caliber of the body.
10. ripple pipe manufacturing method as claimed in claim 6, it is characterised in that also including adding button step：Outside the body
Surface is arranged clip, is arranged at intervals along the body axial direction with predetermined length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710333911.XA CN106992477B (en) | 2017-05-12 | 2017-05-12 | A kind of smooth lock-fit-type bellows and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710333911.XA CN106992477B (en) | 2017-05-12 | 2017-05-12 | A kind of smooth lock-fit-type bellows and its manufacturing method |
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| Publication Number | Publication Date |
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| CN106992477A true CN106992477A (en) | 2017-07-28 |
| CN106992477B CN106992477B (en) | 2019-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590154A (en) * | 2020-12-04 | 2021-04-02 | 长春百思特汽车零部件有限公司 | Production method and production device of corrugated pipe and corrugated pipe |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019111083B4 (en) | 2019-04-29 | 2024-02-15 | Delfingen Fr-Anteuil S.A. | Protective tape, wrapped cable bundle and method |
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| CN112590154A (en) * | 2020-12-04 | 2021-04-02 | 长春百思特汽车零部件有限公司 | Production method and production device of corrugated pipe and corrugated pipe |
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| Publication number | Publication date |
|---|---|
| CN106992477B (en) | 2019-03-26 |
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Commission number: 4W115329 Conclusion of examination: Declare claims 1-5 of invention number 201710333911. X invalid, and continue to maintain the validity of the patent on the basis of claims 6-10 Decision date of declaring invalidation: 20230726 Decision number of declaring invalidation: 563169 Denomination of invention: A smooth locking corrugated pipe and its manufacturing method Granted publication date: 20190326 Patentee: SHENZHEN JDD TECH NEW MATERIAL CO.,LTD. |