CN212688577U - Multilayer fastener with shoulder - Google Patents
Multilayer fastener with shoulder Download PDFInfo
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- CN212688577U CN212688577U CN202021074219.3U CN202021074219U CN212688577U CN 212688577 U CN212688577 U CN 212688577U CN 202021074219 U CN202021074219 U CN 202021074219U CN 212688577 U CN212688577 U CN 212688577U
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- shoulder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a multilayer fastener of shoulder is kept off in area, including upper padding plate, lower bolster and set up the middle cushion between upper padding plate and lower bolster, still including keeping off shoulder structure and support column, keep off the form that shoulder and outer fender shoulder combined in the shoulder structure adoption, it sets up the isolation layer to keep off the shoulder and keep off between the shoulder outward in, set up first through-hole on the upper padding plate, the support column passes first through-hole, the installation compresses tightly the cover in the first through-hole, it establishes the outside at the support column to compress tightly the cover. The utility model provides a take multilayer fastener that keeps off shoulder simple structure keeps off shoulder and outer fender shoulder complex form through interior fender, can effectively restrain the upper padding plate rotatory or upset, and then restrain the rail upset, improves driving safety.
Description
Technical Field
The utility model relates to a track traffic technical field, in particular to multilayer fastener of shoulder is kept off in area.
Background
Vibration reduction measures such as high rails can be achieved from two aspects of ballast bed vibration reduction and fastener vibration reduction, and compared with ballast bed vibration reduction measures, the fastener vibration reduction measures are simple in construction, low in cost and convenient to inspect and maintain.
The more high damping fastener of using at present includes pioneer fastener and floating rail fastener two kinds, and these two kinds of fasteners all adopt the mode of supporting the rail waist to obtain low rigidity, and such structural style leads to two aspects problems: firstly, the rail bottom is suspended, so that safety concerns exist for customers, and the popularization is not facilitated; and the joint of the steel rail with the seam line cannot be used. Thus, compression type fasteners comprising multiple layers of elastic elements can be used to solve the above problems. For example, a vibration damping fastener system disclosed in the prior art with publication number CN110373958A comprises, from top to bottom, an under-rail elastic pad, a first backing plate, a first elastic layer, and a second backing plate; the vibration-damping fastener system further comprises a second elastic layer, a supporting column, a connecting sleeve and an anchoring bolt, wherein the second elastic layer is positioned on the lower side of the second base plate; the utility model provides a high damping fastener based on compression type, including support column, connecting sleeve, anchor bolt, damping fastener system, first backing plate, second elastic layer, the support column links together first backing plate, first elastic layer, second backing plate and second elastic layer with the connecting sleeve cooperation, anchor bolt fastens damping fastener system on the ballast bed, and this prior art provides one kind and has proposed a high damping fastener based on the compression type, adopts backing plate and elastic layer interval mode of setting up for the elastic layer forms the series connection form, obtains lower vertical rigidity, thereby reaches higher damping effect.
However, for these prior art compressive fasteners containing multiple layers of elastic elements to achieve high levels of damping through the fastener, the fastener must have a sufficiently low stiffness. The rail receives vertical power and transverse force effect simultaneously in the use, because setting up of multilayer elastic element makes fastener rigidity lower, fastener rigidity crosses lowly can lead to the fastener and even rail upset aggravation, is unfavorable for gauge control, influences driving safety. There is therefore a need to find a means to balance the stiffness of the clip against rail rollover.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a take multilayer fastener that keeps off shoulder to solve among the prior art problem that the railhead upset aggravated when fastener rigidity is low excessively, so that improve gauge control ability, ensure driving safety.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a multilayer fastener of shoulder is kept off in area, includes upper padding plate, lower bolster and sets up the middle cushion between upper padding plate and lower bolster, still includes and keeps off shoulder structure and support column, keep off the form that shoulder and outer fender shoulder combined in the shoulder structure adoption, it sets up the isolation layer with keeping off outward between the shoulder to keep off in, set up first through-hole on the upper padding plate, the support column passes first through-hole, the installation compresses tightly the cover in the first through-hole, it establishes to compress tightly the cover the outside of support column. The utility model provides a take multilayer fastener of keeping off shoulder simple structure keeps off shoulder and outer fender shoulder complex form through interior for can effectively restrain the upper padding plate rotatory or upset, and then restrain the rail upset, improve driving safety. And the setting of isolation layer can reduce the rigidity of keeping off the shoulder structure, plays the effect of damping when transversely spacing upper padding plate and rail.
Furthermore, the support column passes through the first through hole and the pressing sleeve from bottom to top, and the inner surface of the pressing sleeve is matched with the outer surface of the support column, so that the inner wall of the pressing sleeve is connected with the support column in a clamping mode. Therefore, the upper cushion plate, the lower cushion plate and the middle elastic cushion are locked and connected through the supporting columns and the pressing sleeves.
Furthermore, the number of the first through holes and the number of the support columns are at least two, and the support columns are mutually independent or connected into a whole through a connecting piece. For example, two support columns are connected by a straight line, a square frame, etc., or a plurality of support columns may be disposed on the underlying cushion, that is, the substrates of the plurality of support columns are connected in an extending manner, so that the substrates of the plurality of support columns form the underlying bottom plate.
Furthermore, the support columns are connected through a straight line or a square frame.
Further, the outer blocking shoulder is arranged on the outer end side of the supporting column. The outer retaining shoulder can wrap the inner retaining shoulder, and the upper padding plate is prevented from overturning.
Furthermore, the support column includes base plate and stand section the outer end side of base plate sets up outer fender shoulder, the stand section is connected on the base plate.
Furthermore, the top of the supporting column is provided with a pressing cover plate, the outer retaining shoulder is arranged on the outer side edge of the pressing cover plate, and the outer retaining shoulder extends downwards. The outer shoulder that keeps off sets up to downwardly extending for keep off the shoulder outside and keep off the shoulder in can wrapping up, and then play the effect that restraines the upset of upper padding plate.
Furthermore, the isolation layer between the inner retaining shoulder and the outer retaining shoulder is of an independent structure, or the isolation layer is integrated with one or two of the inner retaining shoulder and the outer retaining shoulder through bonding or mechanical assembly.
Further, the inner blocking shoulder is arranged on the outer side of at least one end of the upper backing plate.
Furthermore, the inner blocking shoulder is arranged on the outer side of the upper padding plate corresponding to the first through hole, or an elastic strip seat is arranged on the upper padding plate, and the inner blocking shoulder is arranged on the outer side corresponding to the elastic strip seat, or the outer side corresponding to the first through hole.
Compared with the prior art, the multilayer fastener of shoulder is kept off in area have following advantage:
the multilayer fastener of shoulder is kept off in area simple structure, can effectively restrain the rotation of upper padding plate or upset through keeping off the shoulder, and then restrain the rail upset, improve driving safety. And the area and the quality of the iron base plate can be effectively reduced through the arrangement of the supporting columns, so that the rigidity of the fastener is ensured, and the cost of the fastener is effectively reduced.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic view of a multi-layer damping fastener with shoulder according to an embodiment of the present invention;
FIG. 2 is a side view of a multi-layer vibration-damping fastener with shoulders according to an embodiment of the present invention;
FIG. 3 is a top view of a multi-layer vibration-damping fastener with shoulders according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a multi-layer damping fastener with shoulder according to an embodiment of the present invention;
fig. 5 is a schematic view of an upper cushion plate with a shoulder according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the support pillar according to a first embodiment of the present invention;
fig. 7 is a schematic structural view of an isolation layer according to an embodiment of the present invention;
FIG. 8 is a schematic view of a deflection angle of a steel rail according to an embodiment of the present invention;
fig. 9 is a schematic view of a mechanism in which a plurality of supporting pillars are connected as a whole according to a second embodiment of the present invention.
Description of reference numerals:
1-upper support plate, 2-lower support plate, 3-middle elastic pad, 4-bottom elastic pad, 5-elastic strip seat, 6-elastic strip, 7-support column, 8-outer shoulder, 9-isolation layer, 10-inner shoulder, 11-elastic pad under rail, 12-base plate, 13-first column section, 14-second column section, 15-pressing cover plate, 16-anchoring bolt, 17-pressing sleeve, 18-first fixing groove, 19-fixing bulge, 20-isolation plate, 21-protection plate, 22-dent part, 23-flange, 24-lock tongue, 25-boss
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The descriptions of "first", "second", etc. mentioned in the embodiments of the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the various embodiments can be combined with each other on the basis of the realization of those skilled in the art.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
When the rail receives the wheel rail effect to act on, vertical displacement, lateral displacement and the torsion take place for the rail, and at this moment, the upper iron backing plate receives the lateral thrust of rail for the rotation or the upset of upper iron backing plate emergence for the lower backing plate.
Example 1
As shown in FIGS. 1-7, the embodiment provides a multi-layer damping fastener with shoulder pads, which comprises an upper padding plate 1, a lower padding plate 2, a middle elastic pad 3 arranged between the upper padding plate 1 and the lower padding plate 2, a bottom elastic pad 4 arranged on the lower part of the lower padding plate 2, and a supporting column 7 penetrating through the upper padding plate 1, the lower padding plate 2 and the middle elastic pad 3. The fastener of this embodiment is still including keeping off the shoulder structure, keeps off the form that the shoulder structure adopted interior fender shoulder 10 and outer fender shoulder 8 combination, keeps off including and sets up isolation layer 9 between shoulder 10 and the outer fender shoulder 8 for restrain the upper padding plate and rotate or overturn, and then restrain the rail upset. A first through hole is formed in the upper base plate 1, the supporting column 7 penetrates through the first through hole, a pressing sleeve 17 is installed in the first through hole, and the pressing sleeve 17 is sleeved on the outer portion of the supporting column 7, so that the upper base plate 1 is fixedly connected with the supporting column 7.
Further, the outer end side of support column 7 sets up outer fender shoulder 8, outer fender shoulder 8 is upwards protruding to be extended, fender shoulder 10 in the at least one end outside of upper padding plate 1 sets up, interior fender shoulder 10 corresponds with outer fender shoulder 8, when the rail receives transverse force, the isolation layer 9 between interior fender shoulder 10 and the outer fender shoulder 8 makes fastener transverse rigidity lower, keep off shoulder 10 and outer fender shoulder 8 cooperation simultaneously and increase the horizontal spacing ability to upper padding plate 1, it is rotatory or the upset to restrain upper padding plate 1, and then restrain the rail upset.
Furthermore, the outer sides of two ends of the upper base plate 1 in the y-axis direction are respectively provided with an inner retaining shoulder 10, the inner retaining shoulders 10 are also arranged to protrude upwards and extend, the top of each inner retaining shoulder 10 is flush with the top of each outer retaining shoulder 8, the positions of the upper base plate 1, the lower base plate 2 and the support columns 7 are conveniently, quickly and accurately positioned, and the assembly efficiency of the fastener is improved; the outer side surface of the upper cushion plate 1 can also be used as an inner retaining shoulder 10, and the upper surface of the upper cushion plate 1 is flush with the top of the outer retaining shoulder 8, so that the material is saved.
Preferably, the inner shoulder 10 may be provided on the outer side of the upper mat 1 corresponding to the first through hole.
The isolation layer 9 is made of non-metal material, such as glass fiber reinforced nylon. Isolation layer 9 includes the backplate 21 at middle division board 20 and both ends, and division board 20 sets up and keeps off between shoulder 8 and the interior fender shoulder 10 outside, and backplate 21 is connected perpendicularly at the both ends of division board 20, prevents that the dust from getting into and keeps off outside and keep off in the clearance between shoulder 8 and division board 20, division board 20 and the interior fender shoulder 10, has the guard action to keeping off shoulder structure and isolation layer, increases the life of the two.
Preferably, barrier layer 9 may also be integrated with one or both of inner shoulder 10 and outer shoulder 8 by bonding or mechanical assembly.
To further illustrate the function of the shoulder structure in inhibiting the rolling of the rail, the following description is given of the principle of the shoulder structure: as shown in FIG. 8, the rail head offset is determined by the offset angle α. Because a gap s exists between the upper base plate 1 and the supporting column 7, the steel rail deviation angle alpha is influenced by the rigidity of the supporting column 7 and does not exceed alpha1；
tanα1S/h1, wherein h1Is the thickness of the upper backing plate.
When the height h of the outer retaining shoulder 82Greater than the upper backing plate thickness h1, alpha1Greater than alpha2When the value of alpha depends on a smaller alpha2Thereby inhibiting the rail from rolling over.
That is, when designing the retaining shoulder structure, the offset angle alpha of the steel rail depends on alpha1And alpha2Minimum value of (1).
tanα2＝s’/h2Wherein h is2The height of the outer shoulder 8;
the fitting gaps s and s' are substantially equal due to the matching materials being identical, when alpha is1And alpha2Is dependent on h1And h2Size. Therefore, the outer shoulder 8 is formed to protrude upward and wrap the outer surface of the inner shoulder 10 such that the height h of the outer shoulder 82Is larger than the upper backing plate1And the thickness of inner shoulder 10.
Further, the support column 7 comprises a substrate 12 and a column section, the substrate 12 is arranged at the bottommost layer of the support column 7 as the bottom plate of the support column 7, and the bottom end of the isolation layer 9 is pressed against the substrate 12 of the support column 7. The stand section is connected on base plate 12, keeps off shoulder 8 outside the outer end side setting of base plate 12, keeps off shoulder 8 outside and upwards protrudes to extend for keep off the bottom of shoulder 8 and the bottom parallel and level of base plate 12 outside for base plate 12 and outer fender shoulder 8 constitute L type structure.
The stand section includes first stand section 13 and second stand section 14, and first stand section 13 is connected on base plate 12, and first stand section 13 is the protruding extension that upwards, and second stand section 14 is connected to the upper end of first stand section 13. The transition between the first upright section 13 and the second upright section 14 forms a projection 25.
Further, a first through hole is formed in the upper padding plate 1, a second through hole is formed in the lower padding plate 2, a third through hole is also formed in the corresponding position of the middle elastic pad 3, a pressing sleeve 17 is installed in the first through hole, the supporting column 7 penetrates through the second through hole, the third through hole, the first through hole and the pressing sleeve 17 from bottom to top, the pressing sleeve 17 is sleeved on the outer side of the stand column section of the supporting column 7, the outer side face of the pressing sleeve 17 is in contact fit with the inner wall of the first through hole, the inner surface of the pressing sleeve 17 is matched with the outer surface of the supporting column 7, the inner wall of the pressing sleeve 17 is connected with the supporting column 7 in a clamped mode, and therefore the upper padding plate 1, the lower padding plate 2 and the middle elastic pad 3 are connected in a.
Specifically, the first column section 13 penetrates through the second through hole in the lower backing plate 2, and the inner wall of the second through hole is clamped on the outer wall of the first column section 13. The second upright section 14 passes through the pressing sleeve 17 and is clamped with the inner wall of the pressing sleeve 17. The boss 25 is matched with the bolt 24 at the bottom of the pressing sleeve 17, so that the upper cushion plate 1, the lower cushion plate 2 and the middle elastic cushion 3 are locked and connected through the matching of the supporting column 7 and the pressing sleeve 17.
Furthermore, a connecting hole penetrating through the first upright section 13 and the second upright section 14 is further formed in the support column 7, and the connecting hole is used for installing an anchoring bolt 16, so that a fastener and a steel rail are fixed.
Preferably, in this embodiment, the support columns, the first through holes, the second through holes and the third through holes are all arranged at least two, the support columns are independent of each other, and can be independent of each other and also can be connected into a whole through a connecting piece to enhance the integrity, for example, the two support columns are connected through a straight line and a square frame.
Set up at the top that compresses tightly cover 17 and support column 7 and compress tightly apron 15, be provided with the trompil in the middle part that compresses tightly apron 15, this trompil and the inside connecting hole intercommunication of support column 7, anchor bolt 16 compresses tightly support column 7, upper padding plate 1, middle cushion 3, lower bolster 2 and bottom cushion 4 in proper order through compressing tightly apron 15 and fixes on saying the bed, realizes fixing the fastener is holistic. When the steel rail is subjected to a vertical acting force, the elastic cushion 11 under the steel rail, the middle elastic cushion 3 and the bottom elastic cushion 4 are elastically deformed to buffer the vibration of the steel rail in the vertical direction; when the steel rail is subjected to transverse acting force, the supporting columns 7 and the pressing sleeves 17 are matched to transversely limit the upper padding plate 1, the lower padding plate 2, the middle elastic pad 3 and the bottom elastic pad 4.
Further, the lower surface of the pressing cover plate 15 is provided with a fixing bulge 19, the top surface of the second upright post section 14 of the supporting post 7 is provided with a first fixing groove 18, the top surface of the pressing sleeve 17 is provided with a second fixing groove, the fixing bulge 19 is correspondingly clamped with the first fixing groove 18 and the second fixing groove, positioning and guiding effects are achieved on the installation of the pressing cover plate, and the pressing cover plate 15 is fixedly connected with the supporting post 7 and the pressing sleeve 17.
Preferably, the width of the retaining shoulder in this embodiment can be designed according to the requirement, for example, the fastener is generally wide.
Preferably, the elastic layer and the under-rail elastic pad in the embodiment can be wholly or partially assembled or adhered with the middle iron backing plate into a whole. The middle elastic cushion 3 and the bottom elastic cushion 4 are made of rubber and polyurethane elastic materials, and vibration energy of the fastener system is effectively absorbed. The hardness and density of the materials selected for the upper cushion plate 1 and the lower cushion plate 2 are both greater than the properties of the materials adopted for the elastic cushion. Preferably, the upper backing plate and the lower backing plate are both iron backing plates. The area and the quality that the setting of this embodiment through support column 7 can effectively reduce the iron tie plate effectively reduce the cost of fastener when guaranteeing fastener rigidity.
Furthermore, the fastener in the embodiment can be dispersed to the site for assembly, and can also be preassembled at an engineering part, so that the installation efficiency is improved.
Furthermore, the non-metal pressing sleeve for pre-assembling the iron base plate and the supporting column can be of a rotating structure or a buckling structure.
Preferably, the upper portion of the middle portion of the upper base plate 1 of the present embodiment is used for mounting the rail lower elastic pad 11 and the steel rail, and the upper base plate 1 is provided with a steel rail connector connected with the steel rail, and the steel rail connector is designed according to the requirements of the line. More preferably, the utility model discloses in set up the rail connecting piece into bullet strip seat 5 installation bullet strip 6 on the bullet strip seat 5, bullet strip 6 can set up to each type bullet strip, if "e" type bullet strip, "omega" type bullet strip etc. withhold on rail foot through bullet strip 6 to fixed rail. More preferably, the inner shoulder 10 may also be disposed on the outer side of the upper cushion plate 1 corresponding to the elastic strip seat 5, the elastic strip seat 5 is provided with a recessed portion 22 and a rib 23, the bending portion of the elastic strip 6 is mounted on the recessed portion 22, and the rib 23 is disposed on the outer edge of the recessed portion 22, so as to effectively prevent the elastic strip 6 from slipping off from the elastic strip seat 5.
Further, an under-rail elastic pad 11 is provided under the rail so that the rail foot of the rail is in contact with the under-rail elastic pad 11.
As a part of the embodiment of the utility model provides a this embodiment can also set up downwardly extending's outer fender shoulder, keep off the shoulder in the distolateral setting of upper padding plate outside the top that compresses tightly apron 15, owing to compress tightly the apron and pass through anchor bolt big moment of torsion pressure on the support column for two kinds of fender shoulder set mode effects are unanimous.
Example 2
As shown in FIGS. 1 to 3, 5 and 7 to 9, the embodiment provides a multi-layer vibration damping fastener with shoulder pads, which comprises an upper padding plate 1, a lower padding plate 2, a middle elastic pad 3 arranged between the upper padding plate 1 and the lower padding plate 2, a bottom elastic pad 4 arranged at the lower part of the lower padding plate 2, and a supporting column 7 penetrating through the upper padding plate 1, the lower padding plate 2 and the middle elastic pad 3. The fastener of this embodiment is still including keeping off the shoulder structure, keeps off the form that the shoulder structure adopted interior fender shoulder 10 and outer fender shoulder 8 combination, keeps off including and sets up isolation layer 9 between shoulder 10 and the outer fender shoulder 8 for restrain the upper padding plate and rotate or overturn, and then restrain the rail upset.
Further, the outer end side of support column 7 sets up outer fender shoulder 8, outer fender shoulder 8 is upwards protruding to be extended, fender shoulder 10 in the at least one end outside of upper padding plate 1 sets up, interior fender shoulder 10 corresponds with outer fender shoulder 8, when the rail receives transverse force, the isolation layer 9 between interior fender shoulder 10 and the outer fender shoulder 8 makes fastener transverse rigidity lower, keep off shoulder 10 and outer fender shoulder 8 cooperation simultaneously and increase the horizontal spacing ability to upper padding plate 1, it is rotatory or the upset to restrain upper padding plate 1, and then restrain the rail upset.
The outer sides of two ends of the upper base plate 1 in the y-axis direction are respectively provided with an inner retaining shoulder 10, the inner retaining shoulders 10 are also arranged to protrude upwards and extend, the top of each inner retaining shoulder 10 is flush with the top of each outer retaining shoulder 8, the positions of the upper base plate 1, the lower base plate 2 and the support columns 7 are conveniently, quickly and accurately positioned, and the assembly efficiency of the fastener is improved; the outer side surface of the upper cushion plate 1 can also be used as an inner retaining shoulder 10, and the upper surface of the upper cushion plate 1 is flush with the top of the outer retaining shoulder 8, so that the material is saved.
Preferably, the inner shoulder 10 may be provided only on the outer side of the upper mat 1 corresponding to the first through hole, or the inner shoulder 10 may be provided to have the same width as the upper mat 1.
As shown in fig. 9, the number of the support columns 7 of the present embodiment is at least two, and the different support columns 7 are connected by the connecting members to form an integrated support structure, so as to enhance the integrity.
Specifically, support column 7 includes base plate 12 and stand section, and base plate 12 sets up the bottommost layer at support column 7 as the bottom plate of support column 7, and the base plate 12 of a plurality of support columns 7 connects and forms the substructure as an organic whole, and the stand section is connected on the substructure, sets up outer fender shoulder 8 in the at least one end outside of substructure, keeps off shoulder 8 outward and upwards protrudes to extend, keeps off the bottom of shoulder 8 and the bottom parallel and level of substructure outward.
Preferably, keep off shoulder 8 outside both ends at substructure all set up for keep off shoulder 8 and substructure formation U type outward, increase the spacing ability to upper padding plate 1, prevent the upset of upper padding plate 1 slope from both sides fully.
Furthermore, the bottom layer structure in the embodiment can be set to be a solid plane and also can be set to be a hollow frame type structure, so that parts in the assembling process of the fastener are reduced, and the assembling efficiency is improved.
Preferably, the width of the shoulder structure in the X-axis direction in the present embodiment may be the same as the width of the fastener. Namely, the width of the outer retaining shoulder 8 in the X-axis direction is consistent with the width of the fastener, and the width of the inner retaining shoulder 10 is also consistent with the width of the upper backing plate 1, so that the matching area of the inner retaining shoulder 10 and the outer retaining shoulder 8 is larger, and the limiting and fixing capacity of the upper backing plate 1 is improved; or the outer stop shoulder 8 is arranged only on the outer side corresponding to the elastic strip seat 5 on the upper cushion plate 1, i.e. the outer stop shoulder 8 and the elastic strip seat 5 are flush in the X-axis direction.
As a part of the embodiment of the utility model provides a this embodiment can also set up downwardly extending's outer fender shoulder, keep off the shoulder in the distolateral setting of upper padding plate outside the top that compresses tightly apron 15, owing to compress tightly the apron and pass through anchor bolt big moment of torsion pressure on the support column for two kinds of fender shoulder set mode effects are unanimous.
Other structures of the fastener in this embodiment are the same as those in embodiment 1, and are not described in detail herein.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a multilayer fastener of shoulder is kept off in area, includes upper padding plate (1), lower bolster (2) and sets up middle cushion (3) between upper padding plate (1) and lower bolster (2), its characterized in that still includes and keeps off shoulder structure and support column (7), keep off the form that shoulder (10) and outer fender shoulder (8) make up in the shoulder structure adoption, it sets up isolation layer (9) to keep off shoulder (10) and outer fender between shoulder (8) in, set up first through-hole on upper padding plate (1), support column (7) are passed first through-hole, the installation compresses tightly cover (17) in the first through-hole, it establishes to compress tightly cover (17) the outside of support column (7).
2. The multi-layer fastener with the shoulder block according to claim 1, wherein the supporting pillar (7) passes through the first through hole and the pressing sleeve (17) from bottom to top, and the inner surface of the pressing sleeve (17) is matched with the outer surface of the supporting pillar (7), so that the inner wall of the pressing sleeve (17) is clamped with the supporting pillar (7).
3. The multi-layer fastener with shoulder block of claim 1, characterized in that the number of the first through holes and the number of the support pillars (7) are at least two, and the support pillars (7) are independent of each other or connected into a whole through a connecting piece.
4. Multi-layer clip with shoulder according to claim 3, characterized in that the support posts (7) are connected by straight line or square frame.
5. Multilayer shoulder fastener according to one of claims 1 to 4, characterized in that the outer shoulder (8) is arranged on the outer end side of the supporting strut (7).
6. Multi-layer clip with shoulder according to claim 5, characterized in that the support post (7) comprises a base plate (12) and a post section, the outer shoulder (8) being arranged on the outer end side of the base plate (12), the post section being attached to the base plate (12).
7. The multi-layer fastener with shoulder according to any one of claims 1 to 4, wherein the top of the supporting pillar (7) is provided with a pressing cover plate (15), the outer shoulder (8) is provided at the outer edge of the pressing cover plate (15), and the outer shoulder (8) extends downward.
8. Multi-layer clip according to claim 1, wherein the barrier layer (9) between the inner shoulder (10) and the outer shoulder (8) is provided as a separate structure, or the barrier layer (9) is integrated with one or both of the inner shoulder (10) and the outer shoulder (8) by bonding or mechanical assembly.
9. Multi-layer shoulder fastener according to claim 1, characterized in that the inner shoulder (10) is arranged outside at least one end of the upper backing plate (1).
10. Multilayer fastener with shoulder according to claim 9, characterized in that the inner shoulder (10) is arranged on the outer side of the upper backing plate (1) corresponding to the first through hole, or an elastic strip seat (5) is arranged on the upper backing plate (1), the inner shoulder (10) being arranged on the outer side corresponding to the elastic strip seat (5).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910523528 | 2019-06-17 | ||
| CN201910523528X | 2019-06-17 | ||
| CN2020105219167 | 2020-06-10 | ||
| CN202010521916 | 2020-06-10 |
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| Publication Number | Publication Date |
|---|---|
| CN212688577U true CN212688577U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010532369.2A Pending CN112095367A (en) | 2019-06-17 | 2020-06-12 | Multilayer fastener with shoulder |
| CN202021074219.3U Active CN212688577U (en) | 2019-06-17 | 2020-06-12 | Multilayer fastener with shoulder |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010532369.2A Pending CN112095367A (en) | 2019-06-17 | 2020-06-12 | Multilayer fastener with shoulder |
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| CN (2) | CN112095367A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790668A (en) * | 2022-04-25 | 2022-07-26 | 上海工程技术大学 | Low-height vibration reduction fastener with side baffles |
-
2020
- 2020-06-12 CN CN202010532369.2A patent/CN112095367A/en active Pending
- 2020-06-12 CN CN202021074219.3U patent/CN212688577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790668A (en) * | 2022-04-25 | 2022-07-26 | 上海工程技术大学 | Low-height vibration reduction fastener with side baffles |
| CN114790668B (en) * | 2022-04-25 | 2024-02-27 | 上海工程技术大学 | Low-height vibration reduction fastener with side block |
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| Publication number | Publication date |
|---|---|
| CN112095367A (en) | 2020-12-18 |
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