CN114198381A - Anti-loosening combined gasket and self-adaptive locking structure for rail - Google Patents
Anti-loosening combined gasket and self-adaptive locking structure for rail Download PDFInfo
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- CN114198381A CN114198381A CN202110884450.1A CN202110884450A CN114198381A CN 114198381 A CN114198381 A CN 114198381A CN 202110884450 A CN202110884450 A CN 202110884450A CN 114198381 A CN114198381 A CN 114198381A
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- 238000009434 installation Methods 0.000 claims abstract description 41
- 238000012856 packing Methods 0.000 claims abstract description 17
- 230000003044 adaptive effect Effects 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
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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
- E01B13/00—Arrangements preventing shifting of the track
- E01B13/02—Rail anchors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a locking combined washer and a self-adaptive locking structure for a rail, and relates to the technical field of washers. This locking combination packing ring includes the packing ring body and splines the bolt, and the packing ring body runs through the first through-hole that is provided with the screw rod that supplies the bolt to pass, and the end wall epirelief at the one end place of first through-hole of packing ring body is equipped with the boss that splines, and it is provided with the installation passageway to run through on the boss that splines, and the bolt that splines is used for inserting the installation passageway. The rotation stopping bolt is used for abutting against the side wall of the nut when the nut rotates relative to the screw rod under the condition of being inserted into the installation channel so as to limit the screwing-in or screwing-out of the nut on the screw rod. The anti-loosening combined washer provided by the invention can realize the anti-loosening of the nut under the condition of not damaging the structure of the screw and the nut, and can meet the requirement of effectively preventing the loosening of the nut and the bolt without additional processing aiming at standard bolts in various industries.
Description
Technical Field
The invention relates to the technical field of gaskets, in particular to an anti-loosening combined gasket and a self-adaptive locking structure for a rail.
Background
At present, in a combined locking structure of a bolt and a nut, a pin hole is arranged on a screw in a penetrating mode in the conventional practice of the mechanical industry, a cotter pin is inserted into the pin hole on the screw after the nut is screwed in place, and the nut is limited to be loosened through a pin.
This locking mode need be twisted the nut to exposing screw rod pinhole back installation pin, receives the drilling precision (position precision and aperture machining precision) of pinhole or work piece installation precision influence, leads to the nut to twist to tighten with the installation pin, or screws up the back pinhole and expose too much, has the clearance apart from the nut terminal surface after the pin installation (just can only stop the commentaries on classics with the pin contact after the nut is unscrewed a section distance), can't guarantee locking effect. On the one hand, the bolt needs to drill a pin hole specially, so that the manufacturing cost is increased, and on the other hand, the gap between the end face of the nut and the pin after the bolt is screwed down is not controlled due to the influence of various factors, so that the anti-loosening effect is influenced, and the bolt cannot be applied to occasions with higher requirements on the anti-loosening of the nut of the bolt connection pair.
Disclosure of Invention
The invention aims to provide a locking combined washer which can meet the requirement of occasions for effectively preventing nuts and bolts from loosening without additional processing aiming at standard bolts in various industries.
Another object of the present invention is to provide an adaptive locking structure for a rail, which can automatically level with the surface of a connected workpiece after the nut is connected with a bolt, and realize stable locking of the nut and the bolt by installing a rotation stopping pin on the outer side wall of the nut.
The invention provides a technical scheme that:
the utility model provides a locking combination packing ring, includes the packing ring body and splines the bolt, the packing ring body runs through the first through-hole that the screw rod that is provided with the confession bolt passed, the packing ring body is in the end wall epirelief at the one end place of first through-hole is equipped with the boss that splines, it is provided with the installation passageway to run through on the boss that splines, the bolt that splines is used for inserting the installation passageway, the bolt that splines is used for inserting under the condition of installation passageway, when the relative screw rod of nut rotates, support and hold the lateral wall of nut, in order to restrict the nut is in precession or the back-out on the screw rod.
Further, the extending direction of the first through hole is parallel to the plane where the mounting channel is located.
Further, the extending direction of the first through hole is perpendicular to the extending direction of the mounting channel.
Furthermore, a notch is concavely arranged on one side, close to the first through hole, of the rotation stopping boss and communicated with the installation channel, and under the condition that the rotation stopping bolt is inserted into the installation channel, the rotation stopping bolt is exposed through the notch part and the exposed part of the rotation stopping bolt is used for abutting against the side wall plane of the nut.
Further, the notch is arc-shaped.
Further, the protruding end wall of establishing of packing ring body spline boss is gone up the concave plain washer mounting groove that is equipped with, the one end of first through-hole is seted up in on the diapire of plain washer mounting groove.
Further, at least one end of the flat gasket mounting groove extends to an outer edge of the gasket body.
The invention also provides a self-adaptive locking structure for a rail, which comprises a first base and the anti-loose combined gasket, wherein a second through hole for the screw to pass through is arranged in the first base in a penetrating manner, a first semi-cylindrical cavity is concavely arranged on the end wall of the first base where one end of the second through hole is located, a first semi-cylindrical bulge corresponding to the first semi-cylindrical cavity is convexly arranged at one end, far away from the rotation stopping boss, of the gasket body, under the condition that the first semi-cylindrical bulge is embedded into the first semi-cylindrical cavity, the first through hole is coaxial with the second through hole, the gasket body can rotate relative to the first base, a first convex arc surface is arranged at one end, far away from the first semi-cylindrical cavity, of the first base, and the first convex arc surface is used for being attached to the side wall of the rail.
Furthermore, a guide convex rib is convexly arranged on the cavity wall of the first semi-cylindrical cavity, a guide groove is concavely arranged on the surface of the first semi-cylindrical protrusion, and the guide convex rib is embedded into the guide groove and is in sliding fit with the guide groove under the condition that the first semi-cylindrical protrusion is embedded into the first semi-cylindrical cavity.
Further, the self-adaptive locking structure for the rail further comprises a second base and an adjusting washer, wherein a third through hole for the screw to pass through is formed in the second base in a penetrating mode, a second semi-cylindrical cavity is concavely formed in the end wall where one end of the third through hole is located of the second base, a fourth through hole for the screw to pass through is formed in the adjusting washer in a penetrating mode, a second semi-cylindrical protrusion corresponding to the second semi-cylindrical cavity is convexly arranged on the end wall where one end of the fourth through hole is located of the adjusting washer, the third through hole is coaxial with the fourth through hole under the condition that the second semi-cylindrical protrusion is embedded into the second semi-cylindrical cavity, a second convex arc surface is arranged at one end, far away from the second semi-cylindrical cavity, of the second base, and the second convex arc surface is used for being attached to the plane of the side wall of the rail.
Furthermore, a locking cavity is concavely arranged on the end wall of one end, away from the second semi-cylindrical protrusion, of the adjusting washer, an orifice of the fourth through hole is formed in the bottom wall of the locking cavity, and the locking cavity is used for accommodating a bolt hexagonal head of the bolt so as to limit the bolt hexagonal head to rotate relative to the adjusting washer.
Compared with the prior art, the anti-loosening combined washer provided by the invention comprises a washer body and a rotation stopping bolt, wherein the washer body is provided with a first through hole through which a screw rod of a bolt passes, the end wall of the washer body, where one end of the first through hole is located, is convexly provided with a rotation stopping boss, the rotation stopping boss is provided with an installation channel through which the rotation stopping bolt penetrates, the rotation stopping bolt is used for being inserted into the installation channel, and the rotation stopping bolt is used for abutting against the side wall of a nut when the nut rotates relative to the screw rod under the condition of being inserted into the installation channel so as to limit the screwing-in or screwing-out of the nut on the screw rod. In practical application, the rotation stopping bolt is mounted on the rotation stopping boss and used for abutting against the side wall of the nut, and the screwing-in or screwing-out action of the nut is limited. Therefore, the anti-loose combined gasket provided by the invention has the beneficial effects that: the locking of the nut can be realized under the condition that the structure of the screw rod and the nut is not damaged, and the situation that the nut and the bolt can be effectively prevented from loosening without extra processing aiming at standard bolts in various industries can be met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
Fig. 1 is a schematic structural view of a lock composite washer according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a check washer assembly according to a first embodiment of the present invention in practical application;
FIG. 3 is a schematic structural view of the gasket body of FIG. 2;
fig. 4 is a schematic structural view of a washer body of the anti-loose combination washer provided in another embodiment of the present invention;
fig. 5 is a schematic structural view of a washer body of a loose-proof combination washer provided in accordance with another embodiment of the present invention;
fig. 6 is a schematic structural diagram of an adaptive locking structure for a railway rail according to a second embodiment of the present invention in practical application;
FIG. 7 is a schematic structural diagram of the first base in FIG. 6;
FIG. 8 is a structural view of the anti-loose combination washer in FIG. 6 at a second perspective;
fig. 9 is a schematic structural view illustrating a combination of the anti-loose combination washer and the leveling washer according to the first embodiment of the present invention;
fig. 10 is a schematic structural diagram of an adaptive locking structure for a railway rail according to a second embodiment of the present invention, in a first view in practical application;
FIG. 11 is a schematic structural view of the second base in FIG. 10;
FIG. 12 is a schematic view of the adjusting washer of FIG. 10;
fig. 13 is a schematic view illustrating an integrated structure of a second seat and an adjusting washer of an adaptive locking structure for a railway rail according to still another embodiment of the present invention.
Icon: 100-anti-loose combination washer; 110-a gasket body; 111-a first via; 113-rotation stopping bosses; 1131-installing a channel; 1133-a notch; 115-flat washer mounting groove; 117-a first semi-cylindrical protrusion; 1171-a guide groove; 130-rotation stopping bolts; 200-adaptive locking structure for rail; 210-a first base; 211-second via hole; 213-a first semi-cylindrical cavity; 214-guide ribs; 215-first convex arc surface; 230-a second base; 231-third via holes; 233-a second semi-cylindrical cavity; 235-a second convex arc surface; 250-a tuning washer; 251-a fourth via; 253-a second semi-cylindrical protuberance; 255-a locking cavity; 300-leveling washer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the invention refers to the accompanying drawings.
First embodiment
Referring to fig. 1, the present embodiment provides an anti-loose combination washer 100, which is applied to a combined locking structure of a bolt and a nut, and the anti-loose combination washer 100 can realize anti-loose of the nut without damaging a screw and nut structure, and can satisfy the situation that standard bolts for various industries can effectively prevent the nut and the bolt from loosening without additional processing.
Fig. 2 is a schematic structural view of the lock washer assembly 100 provided in this embodiment in practical application, and fig. 3 is a schematic structural view of the washer body 110 of the lock washer assembly 100 provided in this embodiment, please refer to fig. 2 and fig. 3.
The anti-loose combination washer 100 provided in this embodiment includes a washer body 110 and a rotation-stopping bolt 130, the washer body 110 is provided with a first through hole 111 for a screw of a bolt to pass through, and this embodiment takes a hexagon bolt and a hexagon nut as an example. The washer body 110 is provided with a rotation stopping boss 113 protruding from an end wall of the first through hole 111, the rotation stopping boss 113 is provided with an installation channel 1131 in a penetrating manner, the rotation stopping bolt 130 is used for being inserted into the installation channel 1131, and the rotation stopping bolt 130 is used for abutting against a side wall of the nut when the nut rotates relative to the screw under the condition that the nut is inserted into the installation channel 1131, so as to limit the screwing-in or screwing-out of the nut on the screw.
In this embodiment, the rotation-stopping bolt 130 is a split pin, in practical application, one end of a screw rod of the bolt far from a hexagonal head of the bolt sequentially penetrates through the member to be locked and the first through hole 111, then a nut matched with the bolt is screwed into the screw rod, the nut is stopped when the nut is screwed into a path interfering with the first through hole 111, and the rotation-stopping bolt 130 is inserted into the installation channel 1131 arranged on the rotation-stopping boss 113, so as to limit the screwing-in and screwing-out of the nut. In other embodiments, the rotation-stopping bolt 130 may also be in the form of a cylinder, a polygon prism, or various strips, and the aperture of the installation channel 1131 matches the outer profile of the rotation-stopping bolt 130 to ensure that the rotation-stopping bolt 130 can be installed through.
Referring to fig. 3, in the present embodiment, a notch 1133 is concavely formed on one side of the rotation stop boss 113 close to the first through hole 111, and the notch 1133 is communicated with the installation channel 1131, so as to communicate the middle portion of the installation channel 1131 with the outside. The notch 1133 is arc-shaped, under the condition that the rotation stopping bolt 130 is not inserted, the nut can rotate in the notch 1133, in the rotating process, the outer vertex angle of the nut can rotate into the installation channel 1131, when the nut is screwed down in place, the rotation stopping bolt 130 is inserted into the installation channel 1131, the rotation stopping bolt 130 is exposed through the part of the notch 1133, the exposed part of the rotation stopping bolt 130 is used for abutting against the side wall plane of the nut, in the rotating process, the outer vertex angle of the nut can abut against the exposed part of the rotation stopping bolt 130, and under the stopping effect of the rotation stopping bolt 130, the nut cannot realize the screwing-in or screwing-out of a relative screw rod, and the purpose of preventing the nut from loosening is achieved.
In other embodiments, the shape of the notch 1133 may also be adapted according to practical application conditions, for example, the notch 1133 may also be configured as a combination structure of a circular arc and a line segment.
The extending direction of the first through hole 111 is parallel to the plane of the mounting channel 1131, and in this embodiment, the extending direction of the first through hole 111 is perpendicular to the extending direction of the mounting channel 1131.
When the nut is rotated to a position where the plane of the outer sidewall of the nut is parallel or nearly parallel to the mounting channel 1131, the nut does not interfere with the mounting channel 1131, and the rotation-stopping pin 130 can be smoothly inserted into the mounting channel 1131. It will be appreciated that when the nut is threaded into contact with the end wall of the washer body 110, the outer circular extent of the nut interferes with the mounting channel 1131 and the inner circular extent of the nut does not interfere with the mounting channel 1131.
In this embodiment, the washer body 110 is provided with two rotation stopping bosses 113 protruding from an end wall where one end of the first through hole 111 is located, the two rotation stopping bosses 113 are symmetrically arranged about a center of an aperture of the first through hole 111, notches 1133 respectively arranged on the two rotation stopping bosses 113 are opposite to each other, and the two notches 1133 enclose a rotation space for rotation of the nut.
In other embodiments, the number of the rotation stopping bosses 113 may be adjusted according to practical application conditions, for example, in order to improve the anti-loosening effect of the nut, a greater number of rotation stopping bosses 113 may be added, and the number of the rotation stopping bolts 130 may be correspondingly increased. In addition, the rotation stopping boss 113 can also adopt an annular structure protruding around the through hole, and the normal rotation of the nut is not affected under the condition that the rotation stopping bolt 130 is not inserted.
In this embodiment, the gasket body 110 is not provided with a structure for mounting a flat gasket, and as shown in fig. 4, in another embodiment of the present invention, the end wall of the rotation stopping boss 113 protruding from the gasket body 110 is concavely provided with a flat gasket mounting groove 115, and one end of the first through hole 111 is opened on the bottom wall of the flat gasket mounting groove 115.
In this embodiment, one end of the flat gasket installation groove 115 extends to the outer edge of the gasket body 110, and in practical applications, the end of the flat gasket extending from the flat gasket installation groove 115 to the outer edge of the gasket body 110 is first clamped into the flat gasket installation groove 115 until the flat gasket abuts against the end wall of the other end of the flat gasket installation groove 115, and at this time, the through hole on the flat gasket is coaxial with the first through hole 111 provided on the gasket body 110. And the screw rod of the bolt sequentially passes through the first through hole 111 and the through hole of the flat washer, and then the nut is screwed in to complete the installation of the flat washer.
Referring to fig. 5, in another embodiment of the present invention, a flat gasket installation groove 115 is concavely formed on an end wall of the rotation stopping boss 113 protruding from the gasket body 110, and one end of the first through hole 111 is opened on a bottom wall of the flat gasket installation groove 115.
In this embodiment, both ends of the flat gasket installation groove 115 extend to both side outer edges of the gasket body 110, respectively. In practical application, the flat gasket is firstly clamped into the flat gasket mounting groove 115 from the end of the flat gasket mounting groove 115 extending to the outer edge of the gasket body 110 until the through hole of the flat gasket is coaxial with the first through hole 111 arranged on the gasket body 110. And the screw rod of the bolt sequentially passes through the first through hole 111 and the through hole of the flat washer, and then the nut is screwed in to complete the installation of the flat washer.
In practical applications, one end of the screw of the bolt, which is far away from the hexagonal head of the bolt, sequentially passes through the member to be locked and the first through hole 111, and then the nut matched with the bolt is screwed into the screw, and when the nut is screwed into contact with the gasket body 110 and the outer side surface of one side of the nut is parallel or approximately parallel to the installation channel 1131, the rotation-stopping bolt 130 is inserted into the installation channel 1131. If the nut is loosened by external vibration and rotates relative to the screw, the nut rotates a small angle to abut against the rotation stopping bolt 130, and the nut cannot continue to rotate under the stopping action of the rotation stopping bolt 130, so that the nut is prevented from being loosened.
In summary, the anti-loose combination washer 100 provided in this embodiment can realize the anti-loose of the nut without destroying the structure of the screw and the nut, and can satisfy the situation that the nut and the bolt can be effectively prevented from loosening without additional processing for the standard bolts in various industries.
Second embodiment
Fig. 6 is a schematic structural diagram of an adaptive locking structure 200 for a railway rail according to a second embodiment of the present invention in practical application, and fig. 6 shows the adaptive locking structure. The self-adaptive locking structure 200 for the rail provided by the embodiment is applied to rail locking, and can achieve the purposes of automatically leveling and preventing nuts from loosening.
Fig. 7 is a schematic structural view of the first base 210 of the adaptive locking structure 200 for a railway rail according to the second embodiment of the present invention, and fig. 6 and 7 are combined together to show the adaptive locking structure 200 for a railway rail including the first base 210 and the anti-loose combination washer 100 according to the first embodiment.
The first base 210 is provided with a second through hole 211 for a screw to pass through in a penetrating manner, a first semi-cylindrical cavity 213 is concavely arranged on the end wall of the second through hole 211 at one end, the gasket body 110 is provided with a first semi-cylindrical protrusion 117 corresponding to the first semi-cylindrical cavity 213 at one end far away from the rotation stopping boss 113, under the condition that the first semi-cylindrical protrusion 117 is embedded into the first semi-cylindrical cavity 213, the first through hole 111 is coaxial with the second through hole 211, the gasket body 110 can rotate relative to the first base 210, a first convex arc surface 215 is arranged at one end far away from the first semi-cylindrical cavity 213 of the first base 210, and the first convex arc surface 215 is used for being attached to the side wall of a rail.
In practical application, at the in-process of precession nut, because the rail both sides have certain contained angle, consequently, at the in-process of locking gradually, the relative first base 210 of packing ring body 110 rotates, and second through-hole 211 is provided with the movable allowance that supplies the screw rod to control the activity, and second through-hole 211 is the bar hole in this embodiment. In the process of gradual locking, under the pressure of the nut, the washer body 110 gradually rotates until the side wall of the side of the washer body away from the first base 210 is parallel to the end wall of the nut, that is, the nut gradually screws in and locks, and the automatic leveling of the washer body 110 is completed.
In practical applications, the first base 210 can be tightly attached to the concave side of the rail due to the first convex arc surface 215 at the end far away from the first semi-cylindrical cavity 213. The first base 210 is rectangular as a whole, and when the first convex arc surface 215 is tightly attached to the concave side surface of the rail, the first base 210 cannot rotate under the restriction of the rail. When the rail vibrates, the bolt tends to rotate, the anti-loosening combined gasket 100 plays an anti-loosening role on the nut, the first semi-cylindrical protrusion 117 of the gasket body 110 is embedded into the first semi-cylindrical cavity 213 of the first base 210, and the gasket body 110 cannot rotate under the limiting effect of the first base 210.
In other embodiments, the shapes of the first semi-cylindrical protrusion 117 and the first semi-cylindrical cavity 213 may be adapted according to practical applications and processing conditions, for example, the first semi-cylindrical protrusion 117 may be configured as an arc-shaped protrusion, and the corresponding first semi-cylindrical cavity 213 may be configured as an arc-shaped cavity.
Referring to fig. 7 and 8, in order to enhance the structural strength of the first base 210 and enhance the limiting effect on the gasket body 110, in this embodiment, a guiding rib 214 is convexly disposed on the cavity wall of the first semi-cylindrical cavity 213, a guiding groove 1171 is concavely disposed on the surface of the first semi-cylindrical protrusion 117, and when the first semi-cylindrical protrusion 117 is inserted into the first semi-cylindrical cavity 213, the guiding rib 214 is inserted into the guiding groove 1171 and slidably fits with the guiding groove 1171.
In addition, it is understood that in other embodiments of the present invention, the leveling washer 300 commonly used on existing rails may be combined with the anti-loose combination washer 100 provided in the first embodiment, as shown in fig. 9. Locking combination packing ring 100 directly sets up on current packing ring 300 of making level, accomplish the back of making level at packing ring 300 of making level, the bolt 130 that splines inserts installation channel 1131, the bolt 130 that splines exposes through breach 1133 part, the part that the bolt 130 that splines exposes is used for supporting the lateral wall of holding the nut, the nut rotates in the process, the outer apex angle of nut can offset with the part that the bolt 130 that splines exposes, receive the backstop effect of the bolt 130 that splines, the screw can't realize precession or the screw-out of relative screw rod, reach the locking purpose of nut.
In addition, in consideration of improving the structural strength of the gasket body 110, in the actual processing process, the semi-cylindrical structure of the gasket body 110 can be adjusted to be a thickened structure with a stepped boss, and the smooth rotation of the gasket body 110 is not affected by the stepped boss.
Fig. 10 is a schematic structural view of a rail adaptive locking structure 200 according to a second embodiment of the present invention in a first view angle in practical application, where the rail adaptive locking structure 200 further includes a second base 230 and an adjusting washer 250, fig. 11 is a schematic structural view of the second base 230 of the rail adaptive locking structure 200 according to the second embodiment of the present invention, and fig. 12 is a schematic structural view of the adjusting washer 250 of the rail adaptive locking structure 200 according to the second embodiment of the present invention, please refer to fig. 10, fig. 11 and fig. 12.
The second base 230 is provided with a third through hole 231 for a screw rod to pass through in a penetrating manner, the second base 230 is provided with a second semi-cylindrical cavity 233 in a concave manner on the end wall where one end of the third through hole 231 is located, the cavity wall of the second semi-cylindrical cavity 233 is also provided with a guide convex rib 214 in a protruding manner, the adjusting washer 250 is provided with a fourth through hole 251 for the screw rod to pass through in a penetrating manner, a second semi-cylindrical protrusion 253 corresponding to the second semi-cylindrical cavity 233 is convexly arranged on the end wall where one end of the fourth through hole 251 of the adjusting washer 250 is located, and a guide groove 1171 matched with the guide convex rib 214 convexly arranged on the cavity wall of the second semi-cylindrical cavity 233 is also concavely arranged on the surface of the second semi-cylindrical protrusion 253. In the case that the second semi-cylindrical protrusion 253 is inserted into the second semi-cylindrical cavity 233, the third through hole 231 is coaxial with the fourth through hole 251, and the second base 230 is provided with a second convex arc surface 235 at an end away from the second semi-cylindrical cavity 233, the second convex arc surface 235 being adapted to fit the side wall of the rail.
Similarly, in other embodiments, the shapes of the second semi-cylindrical protrusion 253 and the second semi-cylindrical cavity 233 may be adjusted according to the practical application and the processing conditions, for example, the second semi-cylindrical protrusion 253 may be configured as an arc-shaped protrusion, and the corresponding second semi-cylindrical cavity 233 may be configured as an arc-shaped cavity.
The end wall of one end of the adjusting washer 250, which is far away from the second semi-cylindrical protrusion 253, is concavely provided with a locking cavity 255, in this embodiment, corresponding to a hexagon bolt, the locking cavity 255 is in a quadrilateral, regular hexagon, regular hexadecimal or through groove form, and after the bolt hexagon head of the bolt is completely embedded into the locking cavity 255, the locking cavity 255 can limit the rotation of the bolt hexagon head. The opening of the fourth through hole 251 opens in the bottom wall of the locking cavity 255, and the locking cavity 255 is configured to receive a bolt hex head of a bolt to limit rotation of the bolt hex head relative to the adjustment washer 250.
In practical application, in the process of screwing in the nut, because the steel rails which are transversely connected and installed by the bolts are not parallel to each other, the steel rails and the locking cavity 255 form a certain included angle along the length direction, and the hexagonal heads of the bolts cannot be tightly attached to the bottom wall of the locking cavity 255 when being embedded into the locking cavity 255, so that the hexagonal heads of the bolts form a certain included angle. In the process of gradual locking, under the pressure of the bolt hexagonal head, the adjusting washer 250 gradually rotates until the side wall of the side of the adjusting washer 250 away from the first base 210 is parallel to the end wall of the bolt hexagonal head, that is, the nut gradually screws in and locks, so that the automatic leveling of the adjusting washer 250 is completed.
In practical applications, the second base 230 can be tightly attached to the concave web side of the rail due to the second convex arc surface 235 at the end far away from the second semi-cylindrical cavity 233. The second base 230 has a rectangular shape on the whole, and when the second convex arc surface 235 is tightly attached to the concave side of the rail, the second base 230 cannot rotate under the restriction of the rail. When the rail vibrates, the bolt tends to rotate and loosen, the hexagonal head of the bolt cannot rotate under the limiting action of the adjusting washer 250, and the adjusting washer 250 plays a role in locking and loosing prevention of the bolt.
In another embodiment of the present invention, the second base 230 and the adjustment washer 250 may be formed integrally as shown in fig. 13. In this embodiment, the second base 230 and the adjusting washer 250 form an integral structure, and since the second base 230 is provided with the second convex arc surface 235, in the process of locking the nut, under the pressure of the bolt hexagonal head, the second convex arc surface 235 rotates relative to the rail until the bolt hexagonal head is tightly attached to the bottom wall of the locking cavity 255, so as to achieve automatic leveling of the bolt hexagonal head.
In summary, the adaptive locking structure 200 for a rail provided by the present invention achieves automatic leveling during the locking process of the rail by the bolt and the nut, so as to ensure the close fitting between the washer body 110 and the nut and the close fitting between the adjusting washer 250 and the bolt hexagon head, thereby ensuring the stability of the connection structure. And, the adjusting washer 250 realizes the locking and rotation prevention of the bolt, and the anti-loose combined washer 100 realizes the anti-loose of the nut without damaging the structure of the screw and the nut.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. The utility model provides a locking combination packing ring, its characterized in that includes packing ring body and spline, the packing ring body runs through the first through-hole that is provided with the screw rod that supplies the bolt to pass, the packing ring body is in the end wall epirelief at the one end place of first through-hole is equipped with the spline boss, run through on the spline boss and be provided with the installation passageway, the spline bolt is used for inserting under the condition of installation passageway, when the relative screw rod of nut rotates, support the lateral wall of holding the nut, in order to restrict the nut is in precession or the precession on the screw rod or the precession.
2. The lock washer assembly according to claim 1, wherein the first through hole extends in a direction parallel to a plane in which the mounting channel is located.
3. A loose-proof combination washer according to claim 2, characterized in that the extension direction of the first through hole is perpendicular to the extension direction of the mounting channel.
4. The anti-loose combination washer according to claim 1, wherein a notch is concavely provided on a side of the rotation stopping boss close to the first through hole, the notch is communicated with the installation channel, when the rotation stopping bolt is inserted into the installation channel, the rotation stopping bolt is exposed through the notch, and the exposed part of the rotation stopping bolt is used for abutting against a side wall plane of the nut.
5. The lock washer assembly of claim 4 wherein said notch is arcuate.
6. The anti-loose combined washer according to claim 1, wherein the end wall of the washer body on which the rotation stopping boss is convexly provided is concavely provided with a flat washer mounting groove, and one end of the first through hole is opened on the bottom wall of the flat washer mounting groove.
7. The lock washer assembly according to claim 6, wherein at least one end of the flat washer installation groove extends to an outer edge of the washer body.
8. An adaptive locking structure for a railway rail, comprising a first base and a loose-proof combination washer according to any one of claims 1 to 7, a second through hole for the screw to pass through is arranged in the first base in a penetrating way, a first semi-cylindrical cavity is concavely arranged on the end wall of the first base, which is positioned at one end of the second through hole, a first semi-cylindrical bulge corresponding to the first semi-cylindrical cavity is convexly arranged at one end of the gasket body far away from the rotation stopping boss, the first through-hole is coaxial with the second through-hole with the first semi-cylindrical protrusion inserted into the first semi-cylindrical cavity, and the gasket body can rotate relative to the first base, the first base is far away from one end of the first semi-cylindrical cavity and is provided with a first convex cambered surface, and the first convex cambered surface is used for being attached to the side wall of the rail.
9. The adaptive locking structure for a railway rail according to claim 8, wherein a guiding rib is protruded from a wall of the first semi-cylindrical cavity, a guiding groove is recessed in a surface of the first semi-cylindrical protrusion, and the guiding rib is inserted into the guiding groove and slidably engaged with the guiding groove when the first semi-cylindrical protrusion is inserted into the first semi-cylindrical cavity.
10. The adaptive locking structure for a railway rail according to claim 8, further comprising a second base and an adjusting washer, wherein the second base is provided with a third through hole through which the screw rod passes, the second base is provided with a second semi-cylindrical cavity in a concave manner on an end wall where one end of the third through hole is located, the adjusting washer is provided with a fourth through hole through which the screw rod passes, the adjusting washer is provided with a second semi-cylindrical protrusion corresponding to the second semi-cylindrical cavity in a convex manner on an end wall where one end of the fourth through hole is located, the third through hole is coaxial with the fourth through hole in a case where the second semi-cylindrical protrusion is embedded in the second semi-cylindrical cavity, and the second base is provided with a second convex arc surface at an end away from the second semi-cylindrical cavity, the second convex cambered surface is used for being attached to the side wall of the rail.
11. The adaptive locking structure for a railway rail according to claim 10, wherein an end wall of the adjusting washer at an end thereof remote from the second semi-cylindrical protrusion is recessed with a locking cavity, and an opening of the fourth through hole is opened in a bottom wall of the locking cavity, and the locking cavity is configured to receive a bolt hex head of the bolt so as to restrict the bolt hex head from rotating relative to the adjusting washer.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110249771.4A CN112943780A (en) | 2021-03-05 | 2021-03-05 | Anti-loosening combined gasket and self-adaptive locking structure for rail |
| CN202120501347X | 2021-03-05 | ||
| CN202120501347 | 2021-03-05 | ||
| CN2021102497714 | 2021-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114198381A true CN114198381A (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110884450.1A Pending CN114198381A (en) | 2021-03-05 | 2021-08-03 | Anti-loosening combined gasket and self-adaptive locking structure for rail |
| CN202121801401.9U Active CN215908231U (en) | 2021-03-05 | 2021-08-03 | Anti-loosening combined gasket and self-adaptive locking structure for rail |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121801401.9U Active CN215908231U (en) | 2021-03-05 | 2021-08-03 | Anti-loosening combined gasket and self-adaptive locking structure for rail |
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| Country | Link |
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| CN (2) | CN114198381A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198381A (en) * | 2021-03-05 | 2022-03-18 | 宝鸡市金成工贸有限责任公司 | Anti-loosening combined gasket and self-adaptive locking structure for rail |
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| CN215908231U (en) * | 2021-03-05 | 2022-02-25 | 宝鸡市金成工贸有限责任公司 | Anti-loosening combined gasket and self-adaptive locking structure for rail |
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2021
- 2021-08-03 CN CN202110884450.1A patent/CN114198381A/en active Pending
- 2021-08-03 CN CN202121801401.9U patent/CN215908231U/en active Active
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| US2120462A (en) * | 1937-05-21 | 1938-06-14 | Chicago Railway Equipment Co | Track bolt washer |
| JP2001055711A (en) * | 1999-08-18 | 2001-02-27 | Nichia Steel Works Ltd | Plate connection structure for sandwich floor slab, formation of sandwich floor slab, bolt and washer set, and bolt and nut set |
| JP2007187215A (en) * | 2006-01-12 | 2007-07-26 | Mitsubishi Heavy Ind Ltd | Looseness preventive member of bolt and nut, safety bolt nut device and installation method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN215908231U (en) | 2022-02-25 |
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