CN203500475U - Round ring spacer - Google Patents
Round ring spacer Download PDFInfo
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- CN203500475U CN203500475U CN201320539812.4U CN201320539812U CN203500475U CN 203500475 U CN203500475 U CN 203500475U CN 201320539812 U CN201320539812 U CN 201320539812U CN 203500475 U CN203500475 U CN 203500475U
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- hoop material
- mentioned
- packing ring
- core cylinder
- locking hook
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Abstract
The utility model provides a round ring spacer spirally wound. By relating the external diameter and the thickness of the round ring spacer and the height and the internal diameter of a recess (bulge) of a W-shaped or V-shaped cross section, better sealing performance and weight reduction can be realized. According to the round ring spacer of which the cross section is W-shaped or V-shaped, when the internal diameter of the spacer is set to 1, the external diameter of the spacer is within a range of 1.1 to 1.5, the thickness of the spacer is within a range of 0.03-0.12, and the height of the recess (bulge) of the W-shaped cross section of the spacer is within a range of 0.01-0.03.
Description
Technical field
The utility model relates to the particularly spirality packing ring of circular ring-type, even if be particularly assemblied in the joint of the pipe-line system of the discharge high-temperature gases such as motor vehicle exhaust, also can guarantee chronically the spirality packing ring of good sealability.
Background technique
As existing packing ring, at the real example for the packing ring that seals using in the outlet pipe end of internal-combustion engine that discloses in opening clear 63-190665 communique.
This packing ring as shown in Figure 8 and Figure 9, on banded steel plate 20, the gasket materials such as asbestos 21 is overlapping and be wound into annular, the outer circumferential side volume end 20A that has rushed steel plate 20, when packing ring 22 is inserted into the heavy caliber portion 24 of exhaust port 23, outer circumferential side volume end 20A and heavy caliber portion 24 are configured to Elastic Contact.
Thus, be inserted into the packing ring 22 of heavy caliber portion 24, owing to remaining, its outer circumferential side coiling end 20A is crooked to the inside not to come off with heavy caliber portion 24 Elastic Contact, so before the flange 25A and packing ring 22 butts of outlet pipe 25, needn't supporting bead 22, have advantages of that installation capability is improved.
But in above-mentioned packing ring 22, packing ring 22 is likely projected into the inner circumferential side of outlet pipe 25, due to the deteriorated of projection and damage, has and cause the shortcoming that sealability declines in a short time.Other prior art examples are as Figure 19, shown in 20,21 and 22.
Model utility content
The utility model is exactly to make in light of this situation, its objective is that providing a kind of prevents that packing ring is outstanding, avoid the deteriorated of packing ring and damage and increase the service life, when can guarantee chronically good sealability, thereby more easily determine to adjust the position that core is used to improve installation capability, and realize lightweight and spirality packing ring cheaply.
In order to achieve the above object, the cross section that the utility model provides is the circular ring spacer of W font or V font, it is characterized in that, when the internal diameter of described packing ring is made as 1, its external diameter is in 1.1 to 1.5 scope, the thickness of described packing ring is in 0.03 to 0.12 scope, and the height of the recess (projection) of the W shaped sections of described packing ring is in 0.01 to 0.03 scope.Here the W that the recess of indication is described packing ring or the bottom of V shaped sections, and projection is the W of described packing ring or the top of V shaped sections.The utility model is the distance of bottom (recess) and top (projection) importantly, i.e. distance shown in C in Fig. 1 a.
The utility model provides a kind of screw winding and the circular ring spacer that forms.In the inner circumferential side that is superimposed with the spirality washer body of metal hoop material and filling material, the ring bodies that tune core is used and the main body of packing ring arrange integratedly.
According to the utility model, by the height of the recess (projection) in the cross section of the external diameter of circular ring spacer, thickness and W font or V font is associated with internal diameter, can realize better sealability and lightweight.
In the circular ring-type particularly forming at screw winding, because ring bodies contacts with insertion part, so washer body can not be projected into the inside of insertion part.
In addition, by the internal diameter of ring bodies is made as to given size, more easily determine the position of adjusting core to use.
And, due to the inner peripheral surface of the main body of packing ring and the closed cross-section that ring bodies can form ring-type, so can realize lightweight.
The utility model, consists of (owing to consisting of specific dimensions) as mentioned above specific dimensions, so can realize technique effect described below.
Because ring bodies contacts with insertion part, so packing ring can not be projected into the inside of insertion part.Can prevent the deteriorated of washer body 4 or damage.Thus, can guarantee chronically good sealability.
In addition, by the internal diameter of ring bodies is made as to given size, more easily determine the position of adjusting core to use, thereby improve packing ring installation capability.
And, due to the inner peripheral surface of the main body of packing ring and the closed cross-section that ring bodies can form ring-type, so can realize lightweight.
According to the manufacture method of above-described spirality packing ring and manufacturing installation, because the peak portion of the front end by die-cut hoop material or paddy portion form the joint stepped part that card is hung locking hook, so needn't form par at the front end of hoop material.Thus, can make the axial width of hoop material front end identical with the width of other parts, thereby can prevent from reducing because producing the local concavo-convex sealability causing on the sealing surface of packing ring.In addition, due to the front end of above-mentioned hoop material be wound between the hoop material of its periphery and can not produce large gap, therefore the hoop material of the front end of this hoop material and its periphery can be welded effectively.Thus, can prevent effectively the front end disengaging of hoop material.And then, due to hoop material is at least being reeled after one week in the periphery of volume core cylinder, above-mentioned locking hook is drawn in, so under the state reducing with the contact that engages stepped part at locking hook, can make locking hook depart from from above-mentioned joint stepped part from the periphery of volume core cylinder.Thus, can, because the friction with hoop material causes large damage to locking hook, can not guarantee the endurance quality of device.
According to the manufacture method of above-mentioned spirality packing ring, because the cut-out operation that the operation of the peak portion of the front end of die-cut above-mentioned hoop material or paddy portion and hoop material are reeled after finishing is carried out simultaneously, so, compare with the situation that these operations are carried out respectively, can produce more efficiently packing ring.
According to the manufacture method of above-mentioned spirality packing ring, in the whole peak portion due to a plurality of peak portion at cross section hoop material in wave shape, form and engage stepped part, so the front end of hoop material can be locked on locking hook effectively and securely.Thus, the hoop material of can reeling effectively.
According to the manufacturing installation of above-mentioned spirality packing ring, by rotating eccentric cam by rotatingshaft, slide block is slided towards the footpath direction of volume core cylinder, thereby can make locking hook haunt from the periphery of volume core cylinder, therefore can simplify the structure of locking hook driving mechanism.
Accompanying drawing explanation
Fig. 1 a～Fig. 1 c means embodiment's of the present utility model sectional plan view;
Fig. 2 means another embodiment's of the present utility model sectional plan view;
Fig. 3 a means the vertical sectional plan view of the major component of Fig. 2;
Fig. 3 b means the vertical sectional plan view of the 2A part of Fig. 2;
Fig. 4 means explanation plan view ring bodies and assembling sequence washer body;
Fig. 5 means explanation plan view ring bodies and another assembling sequence washer body
Fig. 6 means the vertical sectional plan view of an example of use state;
Fig. 7 means the summary description figure of an example of manufacturing installation;
Fig. 8 a means the sectional view of another ring bodies;
Fig. 8 b means the sectional view of another metal hoop material and ring bodies;
Fig. 9 is the longitudinal section that the part of the spirality packing ring of prior art expands;
Figure 10 means its routine longitudinal section on probation;
Figure 11 means the partial perspective view of major component of a mode of execution of manufacturing installation of the spirality packing ring of this model utility;
Figure 12 is the summary plan view of above-mentioned manufacturing installation;
Figure 13 means the figure that engages stepped part, is (a) that stereogram, (b) are sectional views;
Figure 14 means and engages the stereogram that stepped part forms mechanism;
Figure 15 means the summary plan view of the manufacturing process of packing ring;
Figure 16 means the summary plan view of the manufacturing process of packing ring;
Figure 17 means the sectional view of other mode of executions that engage stepped part;
Figure 18 means the stereogram of another other mode of executions that engage stepped part;
Figure 19 is the sectional view of hoop material;
Figure 20 is the sectional view of other hoop materials;
Figure 21 means the summary plan view of prior art example;
Figure 22 means the sectional view of the major component of other prior art examples.
In figure, be labeled as: 1, spirality packing ring; 2, metal hoop material; 3, fill material; 4, spirality washer body; 5, ring bodies; 7a, insertion part; 41, slide block; 42, eccentric cam; 43, rotatingshaft; 51, engage stepped part and form mechanism; 51a, forming punching head; 51b, punch die; 52, volume core cylinder; 53, locking hook; 54, locking hook driving mechanism; A, hoop material; A1, joint stepped part; B, filling material; G, packing ring; M, peak portion; T, paddy portion.
Embodiment
(embodiment)
Below, mode of execution of the present utility model is described with reference to the accompanying drawings.
Fig. 1 a means embodiment's of the present utility model vertical sectional plan view to Fig. 1 c.Fig. 1 a is the circular ring spacer with the W shaped sections of acute angle, its internal diameter (diameter, A) is made as at 1 o'clock, its external diameter (diameter, F) is in 1.1 to 1.5 scope, the thickness of this packing ring (D) is in 0.03 to 0.12 scope, and the height (C) of the recess (projection) of the W shaped sections of this packing ring is in 0.01 to 0.03 scope.
Fig. 1 b is the circular ring spacer with the W shaped sections at obtuse angle, its internal diameter (E) is made as at 1 o'clock, its external diameter (F) is in 1.1 to 1.5 scope, the thickness of this packing ring (D) is in 0.03 to 0.12 scope, and the height (C) of the recess (projection) of the W shaped sections of this packing ring is in 0.01 to 0.03 scope.
Fig. 1 c is the circular ring spacer with the V shaped sections of acute angle, its internal diameter (E) is made as at 1 o'clock, its external diameter (F) is in 1.1 to 1.5 scope, the thickness of this packing ring (D) is in 0.03 to 0.12 scope, and the height (C) of the recess (projection) of the W shaped sections of this packing ring is in 0.01 to 0.03 scope.
Circular ring spacer in this not shown V shaped sections with obtuse angle is also contained in scope of the present utility model.
In addition, at this, although the height of external diameter, thickness and recess is associated with internal diameter, concrete size can be decided by product respectively.For example, can concrete example be that its external diameter is 7.2 ㎝ in the situation that internal diameter is 5.2 ㎝, thickness is 0.4 ㎝, the height of recess is 0.1 ㎝.
The utility model provides a kind of circular ring spacer that has the screw winding of above-mentioned size and form.For example,, at the inner circumferential side that is superimposed with the spirality washer body of metal hoop material and filling material, the circular ring spacer that the ring bodies that tune core is used and washer body arrange integratedly.This metal hoop material, during due to motor-driven vehicle going, the muddy water on road, snowmelt agent (calcium chloride etc.) are attached to exhaust port portion, therefore need to possess corrosion resistance, so preferred stainless steel, further preferred Austenitic Stainless Steel, specifically preferred SUS304 and SUS316.
Fig. 2 means one of embodiment's vertical sectional plan view.In figure, the washer body 4 that spirality packing ring 1 consists of with filling the superimposed and screw winding of material 3 metal hoop material 2 forms.
Being constructed as follows of washer body 4.The metal hoop materials 2 such as stainless steel (are for example shaped to cross section waveform, cross section W shape), interior perimembranous only metal hoop material 2 is reeled 2～3 times as more than after (2a), superimposed on metal hoop material 2 have the filling material 3 of flexible sealant characteristic and be wound into spirality, and then, peripheral part also only metal hoop material 2 is reeled 2～3 times as more than around (2b).And the remaining coiling around 2b that the remaining coiling around 2a in interior week starts end and periphery finishes end, respectively with respect to adjacency remaining around 2a with remainingly fix (H) around 2b by a plurality of spot welding.
In addition, the vertical sectional plan view of the major component of Fig. 2 is illustrated in Fig. 3 a and Fig. 3 b.Fig. 4 and, Fig. 5 has represented the explanation plan view of ring bodies and assembling sequence washer body that the utility model provides.
As shown in Figure 6, using the spirality packing ring 1 forming be like this assemblied on the outlet pipe of Motor Vehicle by upstream side outlet pipe 7, flange 7A with as the insertion part 7a of the terminal projection of upstream side outlet pipe 7 and position that the plug-in type bead 8A on downstream side outlet pipe 8 forms time, ring bodies 5 contacts with the upstream side outlet pipe 7 that forms insertion part 7a, thereby packing ring 1 is installed in, so insertion part 7a is upper can not be projected into the inside of plug-in type bead 8A, therefore, can prevent particularly filling the deteriorated of material 3 or damaging of washer body 4.Thus, can guarantee long-term, good sealability.
As shown in Figure 7, the spirality packing ring 1 that the utility model relates to can be shaped to metal hoop material 2 the molding roller R1 of W tee section, R2 with suitable arranged spaced in the carrying direction of metal hoop material 2, under the state that molding roller R1 is contacted with R1, by molding roller R1 and R1, metal hoop material 2 being shaped to cross section is the metal hoop material 2A of W shape and reels 1～2 time by reel D, near hoop starts end and 2 positions at the position of leaving to coiling direction from this end, carry out spot welding so that overlapping hoop is coupled together to each other, then to metal hoop material 2, carry and fill materials 3 and filling material 3 is superimposed on metal hoop material 2 and is wound into a plurality of spiralitys.At this, cut off and fill material so that the coiling initial point of the internal side diameter of filling material is identical with the position of the circumferencial direction of the coiling terminal of the outside diameter of filling material, remove and fill the conveying of material 3 and only metal hoop material 2 reeled 2～3 times and form the remaining around 2b of periphery, outside hoop material Monday 1 position that Yu Conggai position, position is left to coiling direction 2 positions of total on, carry out spot welding so that overlapping hoop is coupled together to each other, by cutting off metal hoop material 2 so that the latter's position becomes the operation of the end face of hoop material, can manufacture the spirality packing ring 1 as washer body 4.
In addition, Fig. 8 a has represented the another kind of ring bodies (U-shaped) that the utility model provides, and Fig. 8 b has represented the explanation plan view of another assembling sequence of another kind that the utility model provides and washer body.
In order to understand better the utility model, manufacture method and the manufacturing installation of the circular ring spacer below screw winding being formed describe.
The manufacture method of spirality packing ring of the present utility model is, the front end that cross section is to the hoop material of chevron or waveform is locked on volume core cylinder, make this volume core cylinder rotation, and above-mentioned hoop material is at least reeled after one week in the periphery of volume core cylinder, filling material is superimposed on hoop material and by both and is wound into spirality, this manufacture method is characterised in that, the peak portion of the front end of die-cut above-mentioned hoop material or paddy portion and form joint stepped part, at the outstanding locking dogging of periphery that makes front end from volume core cylinder, hang with the state of joint stepped part of above-mentioned hoop material, make above-mentioned volume core cylinder rotation, above-mentioned hoop material is at least reeled after one week in the periphery of volume core cylinder, filling material is superimposed on hoop material and by both and is wound into spirality, constantly in the regulation that hoop material is at least reeled after a week in the periphery of above-mentioned volume core cylinder simultaneously, thereby above-mentioned locking hook is drawn in locking hook is departed from from above-mentioned joint stepped part from the periphery of volume core cylinder.
According to the manufacture method of this spirality packing ring, because the peak portion of the front end by die-cut hoop material or paddy portion form the joint stepped part that card is hung locking hook, so needn't form par at the front end of hoop material.Thus, can make the axial width of hoop material front end identical with the width of other parts, thereby can prevent from producing on the sealing surface of packing ring local concavo-convex, simultaneously due to the front end of above-mentioned hoop material be wound between the hoop material of its periphery and can not produce large gap, so the hoop material of the front end of this hoop material and its periphery can be welded effectively.And then, due to the regulation moment hoop material is at least reeled after one week in the periphery of above-mentioned volume core cylinder, above-mentioned locking hook is drawn in from the periphery of volume core cylinder, so under the state that locking hook is reduced with the contact that engages stepped part, can make locking hook depart from from above-mentioned joint stepped part.Thus, can to locking hook, not cause large damage because of the friction with hoop material.
The peak portion of the front end of die-cut above-mentioned hoop material or the operation of paddy portion, preferably with hoop material formerly and follow-up hoop material are cut off to separated operation and carry out simultaneously.This situation, with by the operation of die-cut above-mentioned peak portion or paddy portion with cut off hoop material the operation situation of carrying out respectively compare, can produce more efficiently packing ring.
Use in the situation of cross section above-mentioned hoop material in wave shape, engage at least more than one the peak portion that stepped part can be formed on a plurality of peak portion.But, preferably in the whole peak of a plurality of peak portion portion, form and engage stepped part.In this case, the front end of hoop material can be locked on locking hook effectively and securely.
The manufacturing installation of spirality packing ring of the present utility model is, the front end that cross section is to the hoop material of chevron or waveform is locked on volume core cylinder, make this volume core cylinder rotation and above-mentioned hoop material is at least reeled after one week in the periphery of volume core cylinder, filling material being superimposed on hoop material and by both and being wound into spirality; This manufacturing installation is characterised in that to have the stepped part of joint and form mechanism, locking hook and locking hook driving mechanism; Engaging stepped part forms the peak portion of front end of the die-cut hoop material of mechanism or paddy portion and forms joint stepped part; Locking hook is built in above-mentioned volume core cylinder, and the periphery that its front end can be rolled up core cylinder from this is haunted, and makes its front end state outstanding from the periphery of volume core cylinder the joint stepped part of this front end card link hoop material; Locking hook driving mechanism makes the front end of this locking hook haunt from the periphery of volume core cylinder.
According to the manufacturing installation of this spirality packing ring, by engaging stepped part, form the front end that mechanism can die-cut hoop material and form joint stepped part.In addition, by locking hook driving mechanism, make the front end of locking hook outstanding from the periphery of volume core cylinder, thereby the front end card that can make this locking hook hangs up the joint stepped part of stating hoop material, in this state, by above-mentioned volume core cylinder is rotated, above-mentioned hoop material at least can be reeled one week in the periphery of volume core cylinder, thereafter, by filling material is superimposed on hoop material, both alternately can be wound into spirality.And then, in the regulation that hoop material is at least reeled after a week in the periphery of volume core cylinder constantly, by above-mentioned locking hook driving mechanism, above-mentioned locking hook is drawn in from the periphery of volume core cylinder, thereby can be made locking hook depart from from above-mentioned joint stepped part.
Like this, the manufacturing installation of above-mentioned spirality packing ring, in the joint stepped part forming due to peak portion or the paddy portion of the front end at die-cut hoop material, card is hung locking hook, so needn't form par at the front end of hoop material.Thus, can make the axial width of hoop material front end and the width of other parts keep identical, not only can not make to produce on the sealing surface of packing ring local concavo-convex, and can not produce large gap between the hoop material of the 2nd week that the front end of above-mentioned hoop material and adjacent its periphery are reeled, so can the front end of this hoop material be fixed on effectively by spot welding etc. on the regulation position of the hoop material of the 2nd week of adjacent its periphery.And then, owing to having in the regulation that hoop material is at least reeled after a week in the periphery of above-mentioned volume core cylinder, constantly above-mentioned locking hook is drawn in to the structure that locking hook is departed from from above-mentioned joint stepped part from the periphery of volume core cylinder, so under the state reducing with the contact that engages stepped part at locking hook, can make locking hook depart from from above-mentioned joint stepped part.Thus, can to locking hook, not cause large damage because of the excessive friction with hoop material.
Above-mentioned joint stepped part forms mechanism and preferably possesses slide block, eccentric cam and rotatingshaft; Be provided with under the state of above-mentioned locking hook, above-mentioned slide block is built in above-mentioned volume core cylinder, and the footpath direction that can roll up core cylinder towards this moves; Above-mentioned eccentric cam and the locking of this slide block, eccentric with respect to the axle center of volume core cylinder; Above-mentioned rotatingshaft is made as with the axle center of rolling up core cylinder concentric, and above-mentioned eccentric cam is rotated.In this case, by eccentric cam being rotated by above-mentioned rotatingshaft, slide block is moved towards the footpath direction of volume core cylinder, thereby can make locking hook haunt from the periphery of volume core cylinder.Therefore, by simple mechanism, can make locking hook haunt from the periphery of volume core cylinder.
Referring to accompanying drawing, mode of execution of the present utility model is described.Figure 12 means the summary plan view of the manufacturing installation of the spirality packing ring that a mode of execution of the present utility model is related.This manufacturing installation for by the hoop material A being superimposed with each other and hoop material B(with reference to Figure 15) be wound into spirality, its main portion forms mechanism 51, rolls up core cylinder 52, locking hook 53 and locking hook driving mechanism 54 and form by engaging stepped part; Engage stepped part and form the 51(of mechanism specifically with reference to Figure 14) for the front end at above-mentioned hoop material A, form and engage stepped part A1(with reference to Figure 13); Volume core cylinder 52 is for above-mentioned hoop material A and the hoop material B of reeling; Locking hook 53 is built in this volume core cylinder 52, and its front end can haunt from the periphery of volume core cylinder 52; Locking hook driving mechanism 54 makes the front end of this locking hook 53 haunt from the periphery of volume core cylinder.
Above-mentioned hoop material A, from winding up roller is extracted out, is shaped to the waveform cross section (with reference to Figure 13) with two m of peak portion by pair of rolls R by flat cross section and supplies with and roll up core cylinder 52.As the material of this hoop material A, can from the materials such as the stainless steel of SUS304 etc., inconel, aluminium, select, but from the viewpoint of heat resistance and cost, particularly preferably stainless steel.Above-mentioned joint stepped part form mechanism 51 possess by not shown drive portion drive and the forming punching head 51a that moves up and down and with the punch die 51b(of this forming punching head 51a arranged opposite with reference to Figure 14), these forming punching heads 51a and punch die 51b are configured between volume core cylinder 52 and roller R.This joint stepped part forms mechanism 51 and engages stepped part A1(with reference to Figure 13 by skewed formation the two m of peak portion of the front end of hoop material A being die-cut into respectively towards interior side), the lock face of this joint stepped part A1 is die-cut into right angle (with reference to Figure 13 b) with respect to the length direction of hoop material A, so that the locking of the front end of easy and locking hook 53.Moreover above-mentioned punch die 51b is formed with 2 31c of peak portion, to coincide with the interior shape of hoop material A.In addition, between above-mentioned forming punching head 51a and punch die 51b and volume core cylinder 52, dispose and can reciprocally connect the cutoff tool 6a of disconnection and accept cutter 6b, for hoop material A is formerly cut off to separated (with reference to Figure 12 and Figure 14) with follow-up hoop material A.In this embodiment, above-mentioned cutoff tool 6a is arranged on above-mentioned drive portion, to move up and down together with the forming punching head 51a that forms mechanism 51 with joint stepped part.In addition, above-mentionedly accept cutter 6b and engage the punch die 51b moulding integratedly that stepped part forms mechanism 51.
With reference to Figure 11, volume core cylinder 52 be ring-type, its external diameter and width with packing ring G(with reference to Figure 16) internal diameter and width consistent respectively, its interior supporting axle 21 all and hollow becomes one.This supporting axle 21 is rotated and is bearing in freely on not shown axle box by bearing 22, and drives it towards clockwise direction, to rotate as illustrated in fig. 12 by not shown drive portion.In addition, the inside at above-mentioned volume core cylinder 52 is formed with gap 23 from outer circumferential side to axis central part, and this gap 23 is for importing slide block 41 described later.
Locking hook 53, at the front end of the base portion 31 of approximate cuboid, is formed with 2 locking protuberances 32, and this locking protuberance 32 is for locking each joint stepped part A1 of hoop material A, and locking end face 32a of this locking protuberance 32 is roughly towards the footpath direction of rolling up core cylinder 52.In addition, above-mentioned locking hook 53 slidably imports in the grooving 24 that thoughtful bi-side form from volume core cylinder 52 freely.
Locking hook driving mechanism 54 possess be built in the slide block 41 of above-mentioned volume core cylinder 52, with the eccentric shaft 42 of this slide block 41 lockings with make this eccentric shaft 42 rotate the rotatingshaft 43 of predetermined angulars.Above-mentioned slide block 41 is planar, towards the footpath direction of this volume core cylinder 52, slidably imports to freely in the gap 23 that is formed at above-mentioned volume core cylinder 52.In addition, at the base end part of above-mentioned slide block 41, be formed with the locking aperture 41a consisting of slotted hole, the relative rotation of above-mentioned eccentric shaft 42 is fitted in this locking aperture 41a freely.In addition, in any one party of the front end corner part of above-mentioned slide block 41, form notch 41b(with reference to Figure 12), locking hook is fixed in this notch 41b.It is inner that running shaft 43 is configured in the hollow of supporting axle 21, and with the same core of this supporting axle 21.This running shaft 43 can be supported on supporting axle 21 with the relative rotation by bearing 44, and is driven by not shown ground drive portion, can be independent of supporting axle 21 and rotate.With respect to the axle center of supporting axle 21, the eccentric state with established amount can one be fixed on this running shaft 43 above-mentioned eccentric cam 42 rotatably.According to above-mentioned locking hook driving mechanism 54, by rotatingshaft 43 is rotated, by eccentric cam 42, can make slide block 41 slide towards the footpath direction of volume core cylinder 52, thus, can make the locking protuberance 32 of locking hook 53 haunt from the periphery of volume core cylinder 52.Therefore, by simple structure, can make locking hook 53 haunt from the periphery of volume core cylinder 52.
Below, with reference to Figure 12, arrive Figure 16, to adopting the manufacture method of the spirality packing ring of the manufacturing installation that has said structure to describe.First, the hoop material A extracting out from winding up roller is shaped to waveform cross section by a pair of roller R, by engage stepped part form mechanism 51 forming punching head 51a and with punch die 51b, respectively two m of peak portion of the front end of die-cut this hoop material A and form engage stepped part A1(with reference to Figure 12 and Figure 13).Then, the stepped part A1 that respectively engages of the front end of hoop material A is locked onto from the locking protuberance 32 of the outstanding slightly locking hook 53 of the periphery of volume core cylinder 52 (with reference to Figure 12), under this state, rotarily actuate volume core cylinder 52, hoop material A is at least reeled one week in the periphery of volume core cylinder 52.Now, due to make to be formed on joint stepped part A1 on the m of each peak portion of hoop material A respectively with locking protuberance 32 lockings of locking hook 53, so, can make the front end of hoop material A and locking hook 53 lock effectively and securely.Thus, the hoop material A that can reel effectively.
After hoop material A is at least reeled and finished for one week, the coiling beginning (front end) of hoop material A is spoted weld on the assigned position of the hoop material A of the 2nd week that is wound on its periphery.Now, owing to being provided with the cross section of the front end of the hoop material A that engages stepped part A1, remain waveform shape, so can make this front end and the hoop material A of the 2nd week identical and can not produce large gap.For this reason, can easily both be welded effectively.
Then, will fill material B and be supplied to the lower surface (with reference to Figure 15) of above-mentioned hoop material A, both are superimposed and reel stipulated number and form spirality.Stop supply with fill material B, only by hoop material A blank coil repeatedly thereafter.As above-mentioned filling material B, can from pottery, expanded graphite, asbestos, teflon etc., select, but from the viewpoint of intensity, particularly preferably adopt pottery.After above-mentioned blank coil finishes, by cutoff tool 6a with accept cutter 6b hoop material A formerly cut off separated with follow-up hoop material A.Meanwhile, by forming punching head 51a and punch die 51b, at the front end of follow-up hoop material A, form joint stepped part A1.Like this, by the cut-out of hoop material A is carried out with the moulding that engages stepped part A1 simultaneously, compare with the situation that the time of staggering carries out respectively, can enhance productivity.Subsequently, the coiling latter end (rearward end) of hoop material A is formerly overlayed on the hoop material A on the week within it of reeling and by spot welding, both welded, thereby can access packing ring G(with reference to Figure 16).
In addition, above-mentioned hoop material A is at least being reeled to moment of one week, or the arbitrary moment after it, rotatingshaft 43 is rotated, the locking protuberance 32 of locking hook 53 is submerged from the periphery of volume core cylinder 52 as illustrated in fig. 16.Thus, can make locking hook 53 depart from from the joint stepped part A1 of hoop material A.Yet, because being applied suitable stretching force (preferably 40～60 ㎏/㎝ 2) on one side at any time, hoop material A on volume core cylinder 52, at least reels more than one week on one side, so that lock tab portion 32 will submerge from the periphery of volume core cylinder 52 time, in hoop material A, be wound up into the part on core cylinder 52, by the frictional force of the outer circumferential face of this volume core cylinder 52 and put on the spot securely.That is, can prevent that hoop material A from sliding on volume core cylinder 52.Thus, under the state that makes locking hook 53 and the contact that engages stepped part A1 and reduce a little when starting to reel hoop material A, make to lock protuberance 32 inside of volume core cylinder 52 of successfully submerging, thereby can make locking hook 53 depart from from engaging stepped part A1.Above, by this structure, the excessive friction producing because of mutual disengaging under can preventing locking hook 53 and engaging the state that stepped part A1 contact in brute force etc.Result is can prevent the too early damage of locking hook 53, thereby improve widely the endurance quality of device.Subsequently, packing ring G, from volume core cylinder 52 takes off, by repeating above-mentioned action, can in turn manufacture packing ring G the most at last.
According to above-mentioned manufacture method, owing to forming par by the front end of exerting pressure etc. at hoop material A but this front end can be locked on locking hook 53, so can make the axial width of front end of hoop material A identical with the width of other parts.Thus, can prevent from producing on the sealing surface of packing ring G local concavo-convex, and then guarantee good sealability.
In addition, in the above-described embodiment, what represent is on two m of peak portion of hoop material A, to be formed with respectively the situation that engages stepped part A1, even if but only in the situation that be formed with in any one party of the above-mentioned peak m of portion and engage stepped part A1, also can conscientiously and securely make to a certain extent the front end of hoop material A be locked on locking hook 53.Therefore, above-mentioned joint stepped part A1 be formed at least 1 of a plurality of peak m of portion above on.In addition, above-mentioned joint stepped part A1 can be also that the t of paddy portion of the front end of hoop material A is die-cut and form (with reference to Figure 17) upward.In addition, locking hook driving mechanism 54 also can, along the voussoir of the axial driving of supporting axle 21, make slide block 41 slide towards the footpath direction of volume core cylinder 52 by what substitute above-mentioned eccentric cam 42.In addition, can also make various design alterations, such as the roller by a pair of, form joint stepped part and form mechanism 1 etc.In addition, the hoop material A that the utility model also can adopt cross section to be chevron implements (with reference to Figure 18).
Claims (3)
1. a circular ring spacer, the cross section of described circular ring spacer is W font, it is characterized in that,
When the internal diameter of described packing ring is 1, its external diameter is in 1.1 to 1.5 scope, and the thickness of described packing ring is in 0.03 to 0.12 scope, and the height of the recess of the W shaped sections of described packing ring is in 0.01 to 0.03 scope.
2. a circular ring spacer, the cross section of described circular ring spacer is in the shape of the letter V, it is characterized in that,
When the internal diameter of described packing ring is 1, its external diameter is in 1.1 to 1.5 scope, and the thickness of described packing ring is in 0.03 to 0.12 scope, and the height of the recess of the V shaped sections of described packing ring is in 0.01 to 0.03 scope.
3. circular ring spacer according to claim 1 and 2, described circular ring-type is that screw winding forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320539812.4U CN203500475U (en) | 2013-08-30 | 2013-08-30 | Round ring spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320539812.4U CN203500475U (en) | 2013-08-30 | 2013-08-30 | Round ring spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500475U true CN203500475U (en) | 2014-03-26 |
Family
ID=50331455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320539812.4U Expired - Lifetime CN203500475U (en) | 2013-08-30 | 2013-08-30 | Round ring spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500475U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210299A (en) * | 2017-07-06 | 2019-01-15 | 日本皮拉工业株式会社 | Spiral shape washer |
| CN110410318A (en) * | 2019-07-23 | 2019-11-05 | 中山市富茂密封科技有限公司 | A kind of anti-overflow filler of extruder gear pump |
| CN112283349A (en) * | 2020-10-12 | 2021-01-29 | 南昌航空大学 | Bidirectional W-shaped metal thin-wall sealing ring |
-
2013
- 2013-08-30 CN CN201320539812.4U patent/CN203500475U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210299A (en) * | 2017-07-06 | 2019-01-15 | 日本皮拉工业株式会社 | Spiral shape washer |
| CN109210299B (en) * | 2017-07-06 | 2021-10-22 | 日本皮拉工业株式会社 | Spiral gasket |
| CN110410318A (en) * | 2019-07-23 | 2019-11-05 | 中山市富茂密封科技有限公司 | A kind of anti-overflow filler of extruder gear pump |
| CN112283349A (en) * | 2020-10-12 | 2021-01-29 | 南昌航空大学 | Bidirectional W-shaped metal thin-wall sealing ring |
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