Special anti-loose sealing gasket for high-speed rail bolt

By designing special anti-loosening sealing gaskets for high-speed rail track bolts, and using pad support components and downward locking components to achieve close fit and secondary limiting between the sealing gasket and the bolt, the problem of loose sealing gaskets is solved, and the reliability and safety of the track are improved.

CN223318250UActive Publication Date: 2025-09-09ZHENJIANG YINGFANG PLASTIC ELECTRIC CO LTD
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Patent Information

Application Number
CN202423011940.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-09-09
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The sealing gaskets used in high-speed rail track bolts are elastic sealing gaskets, which can easily loosen after long-term use, causing track displacement and detachment, increasing the workload of maintenance personnel and posing a safety hazard.

Method used

A special anti-loosening sealing gasket for high-speed rail bolts is designed, which includes a pad support component and a downward pressure locking component. The elastic downward pressure component is tightly fitted with the high-speed rail bolt and embedded in the sleeper. The downward pressure locking component is combined with secondary limiting to achieve tight fitting and secondary lateral locking of the sealing gasket.

Benefits of technology

It effectively prevents the sealing gasket from loosening after long-term use, improves track reliability, reduces the possibility of displacement and detachment, and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special anti-loose sealing gasket for a high-speed rail bolt, which comprises a cushion support component, an elastic pressing component is arranged on the inner side wall of the cushion support component, and a pressing locking component is inserted into the outer side wall of the cushion support component; the cushion supporting assembly is used for supporting the elastic downward pressing assembly and making contact with a high-speed rail sleeper. The elastic downward pressing assembly is used for being tightly attached to a high-speed rail bolt under the action of the elastic force of the elastic downward pressing assembly and embedded into the high-speed rail sleeper after being pressed. The sealing gasket has the function of being tightly attached to a high-speed rail bolt, the sealing gasket can be embedded into a high-speed rail sleeper so that transverse looseness of the base plate can be avoided, and the function of limiting the attaching force between the sealing gasket and the high-speed rail bolt is achieved. And the sealing gasket can be transversely locked for the second time, the situation that the sealing gasket is longitudinally loosened after being used for a long time is avoided, and the sealing gasket is suitable for being widely popularized and used.
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Description

Technical Field

[0001] The utility model belongs to the technical field of sealing gaskets, in particular to a special anti-loosening sealing gasket for high-speed railway track bolts. Background Art

[0002] A sealing gasket is a component used to seal machinery, equipment and pipelines. Sealing gaskets are mostly made of metal or non-metallic materials and are generally processed by cutting, stamping or tailoring.

[0003] At present, most sealing gaskets used in high-speed rail track bolts are elastic sealing gaskets, which makes the sealing gaskets easy to loosen after long-term use after the high-speed rail track bolts are tightened and sealed. This makes the high-speed rail track prone to displacement and detachment, which not only increases the workload of maintenance personnel, but also poses serious safety hazards. Therefore, it is necessary to design a special anti-loosening sealing gasket for high-speed rail track bolts. Summary of the Invention

[0004] In view of the above situation, in order to solve the problem that the current sealing gaskets used for high-speed railway track bolts mostly adopt elastic sealing gaskets, which leads to the problem that the sealing gaskets are prone to loosening after long-term use after the high-speed railway track bolts are tightened and sealed, which makes the high-speed railway track prone to displacement and detachment, which not only increases the workload of maintenance personnel, but also poses a serious safety hazard. The utility model provides a special anti-loosening sealing gasket for high-speed railway track bolts, which effectively realizes the function of tightly fitting with the high-speed railway track bolts, and the sealing gasket can be embedded in the interior of the high-speed railway track sleepers to avoid lateral loosening of the pad, and also realizes the function of limiting the fitting force between the high-speed railway track bolts and the sealing gasket can be locked for a second time in the horizontal direction, so that the elastic force of the sealing gasket can be locked, thereby avoiding the situation that the sealing gasket becomes longitudinally loose after long-term use.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a special anti-loosening sealing gasket for high-speed rail bolts, comprising a pad support assembly, an elastic downward pressure assembly is provided on the inner side wall of the pad support assembly, and a downward pressure locking assembly is inserted into the outer side wall of the pad support assembly; the pad support assembly is used to support the elastic downward pressure assembly and make contact with the high-speed rail sleepers, the elastic downward pressure assembly is used to tightly fit the high-speed rail bolts under the action of its own elastic force and embed into the high-speed rail sleepers after being compressed, the downward pressure locking assembly is used to embed into the high-speed rail sleepers and be connected to the elastic downward pressure assembly under the action of external screws, thereby performing secondary positioning of the elastic downward pressure assembly after being compressed.

[0006] The aforementioned special anti-loosening sealing gasket for high-speed rail bolts, the gasket support assembly includes a gasket plate, the upper surface of the gasket plate is provided with a bearing groove, the inner wall of the bottom surface of the bearing groove is provided with a vertical hole and a first plug hole, and the outer wall of the bottom surface of the bearing groove is provided with a second plug hole.

[0007] The aforementioned special anti-loosening sealing gasket for high-speed rail bolts, the elastic downward pressure component includes a top plate, an elastic rubber pad is bonded to the outer wall of the bottom surface of the top plate, the outer wall of the top plate and the outer wall of the elastic rubber pad are wedged with the inner wall of the bearing groove, the upper surface of the top plate is provided with an anti-slip pad, the outer wall of the bottom surface of the top plate is provided with one end of the first pressure rod, and the other end of the first pressure rod can slide through the elastic rubber pad and the first socket and then extend to the position below the pad, and the outer wall of the top plate is provided with a threaded groove.

[0008] The aforementioned special anti-loosening sealing gasket for high-speed rail bolts, the downward pressing locking assembly includes a protrusion, the protrusion is arranged on the upper surface of the base plate, the upper surface of the protrusion is provided with a slide groove, and the inner side wall of the slide groove is provided with a side groove, wherein the inner wall of the bottom surface of the slide groove is connected with the second socket, the inner side wall of the slide groove is slidably connected with a pressure plate, the outer wall of the bottom surface of the pressure plate is provided with one end of a second pressure rod, and the other end of the second pressure rod can slide through the second socket and extend to the position below the base plate, and the outer side wall of the pressure plate is provided with a through hole.

[0009] The aforementioned special anti-loosening sealing gasket for high-speed rail bolts has multiple first pressure rods and multiple first insertion holes, multiple first insertion holes are evenly distributed on the inner wall of the bottom surface of the bearing groove, and multiple first pressure rods are evenly distributed on the outer wall of the bottom surface of the top plate.

[0010] In the aforementioned special anti-loosening sealing gasket for high-speed rail bolts, the through hole and the thread groove have the same aperture, and the through hole and the thread groove are connected by external screws.

[0011] The aforementioned special anti-loosening sealing gasket for high-speed railway track bolts has a plurality of protrusions, and the multiple protrusions are evenly distributed on the upper surface of the pad.

[0012] The aforementioned special anti-loosening sealing gasket for high-speed railway track bolts, the bottoms of the first pressure rod and the second pressure rod are both pointed, and the first pressure rod and the second pressure rod can be embedded in the high-speed railway track sleepers.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) First, move the pad to the desired position, then move the elastic pressing assembly to align the first pressing rod with the first jack and press it down so that the outer wall of the bottom surface of the elastic rubber pad can fit with the inner wall of the bottom surface of the bearing groove. At the same time, the first pressing rod is preliminarily embedded in the high-speed rail sleeper. Then move the high-speed rail bolt and pass through the vertical hole and the high-speed rail sleeper in turn and connect with the external nut. At the same time, the first pressing rod can be embedded in the high-speed rail sleeper for the second time. Under the action of the elastic rubber pad, the anti-slip pad and the high-speed rail bolt can be tightly fitted, effectively realizing the function of the sealing gasket to fit tightly with the high-speed rail bolt. The sealing gasket can be embedded in the high-speed rail sleeper to avoid lateral loosening of the pad, thereby improving the reliability of the high-speed rail bolt. The sealing gasket has a simple structure and strong practicality.

[0015] (2) Move the pressure plate to align the second pressure rod with the second insertion hole and insert it so that the second pressure rod can be embedded in the high-speed rail sleeper. At the same time, the pressure plate and the inner wall of the slide groove are slid and wedged. Then, by rotating the external screw through the through hole and extending into the inside of the threaded groove, the pressure plate and the top plate can be detachably connected, thereby limiting the vertical height of the top plate. This effectively realizes that the sealing gasket has the function of limiting the fitting force between the high-speed rail bolt and the sealing gasket can be locked horizontally for a second time. In this way, the elastic force of the sealing gasket can be locked, avoiding the longitudinal loosening of the sealing gasket after long-term use, reducing the possibility of displacement and detachment of the high-speed rail, reducing the workload of maintenance personnel, and eliminating existing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic structural diagram of the cushion support assembly and the elastic pressing assembly of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the push-down locking assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the pad structure of the utility model;

[0021] In the figure: 1. Pad support assembly; 101. Pad; 102. Bearing groove; 103. Vertical hole; 104. First insertion hole; 105. Second insertion hole; 2. Elastic downward pressure assembly; 201. Elastic rubber pad; 202. Top plate; 203. Anti-slip pad; 204. Threaded groove; 205. First pressure rod; 3. Down-pressing locking assembly; 301. Bump; 302. Slide groove; 303. Side groove; 304. Pressure plate; 305. Through hole; 306. Second pressure rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0023] Depend on Figures 1 to 4 The utility model provides a special anti-loosening sealing gasket for high-speed railway track bolts, including a pad support assembly 1, an elastic pressing assembly 2 is provided on the inner wall of the pad support assembly 1, and a pressing locking assembly 3 is inserted into the outer wall of the pad support assembly 1; the pad support assembly 1 is used to support the elastic pressing assembly 2 and make contact between the high-speed railway track sleepers, the elastic pressing assembly 2 is used to tightly fit the high-speed railway track bolts under the action of its own elastic force and embed into the high-speed railway track sleepers after being compressed, the pressing locking assembly 3 is used to embed into the high-speed railway track sleepers and connect with the elastic pressing assembly 2 under the action of external screws, thereby performing secondary limiting on the position of the elastic pressing assembly 2 after being compressed, and the pressing locking assembly 3 realizes that the sealing gasket has the function of limiting the fitting force between the high-speed railway track bolts and can perform secondary transverse locking on the sealing gasket, so that the elastic force of the sealing gasket can be locked, thereby avoiding the situation where the sealing gasket becomes longitudinally loose after long-term use.

[0024] Specifically, the pad support assembly 1 includes a pad 101, a bearing groove 102 is provided on the upper surface of the pad 101, a vertical hole 103 and a first insertion hole 104 are provided on the inner wall of the bottom surface of the bearing groove 102, and a second insertion hole 105 is provided on the outer wall of the bottom surface of the bearing groove 102. By providing only the pad support assembly 1 and the elastic downward pressure assembly 2, the sealing gasket has the function of tightly fitting with the high-speed rail bolts, and the sealing gasket can be embedded in the high-speed rail sleepers to avoid lateral loosening of the pad 101, thereby improving the reliability of the high-speed rail bolts.

[0025] Specifically, the elastic pressing component 2 includes a top plate 202, the outer wall of the bottom surface of the top plate 202 is bonded with an elastic rubber pad 201, the outer wall of the top plate 202 and the outer wall of the elastic rubber pad 201 are wedged with the inner wall of the bearing groove 102, and the upper surface of the top plate 202 is provided with an anti-slip pad 203. The outer wall of the bottom surface of the top plate 202 is provided with one end of a first pressing rod 205, and the other end of the first pressing rod 205 can slide through the elastic rubber pad 201 and the first insertion hole 104 and then extend to the position below the pad 101. The outer wall of the top plate 202 is provided with a threaded groove 204. By moving the pad 101 to the desired position, the elastic pressing component 2 is moved to align the first pressing rod 205 with the first insertion hole 104 and press down, so that the outer wall of the bottom surface of the elastic rubber pad 201 can be fitted with the inner wall of the bottom surface of the bearing groove 102. At the same time, the first pressing rod 205 is preliminarily embedded in the interior of the high-speed railway track sleeper.

[0026] When the locking cam 302 is in the unlocking state, the locking cam 302 is in the unlocking state, and the locking cam 302 is in the unlocking state.

[0027] Specifically, the number of the first pressure rods 205 and the first insertion holes 104 are both multiple, and the multiple first insertion holes 104 are evenly distributed on the inner wall of the bottom surface of the bearing groove 102, and the multiple first pressure rods 205 are evenly distributed on the outer wall of the bottom surface of the top plate 202. By moving the high-speed rail bolts and passing through the vertical holes 103 and the high-speed rail sleepers in turn and then connecting with the external nuts, at the same time, the first pressure rods 205 can be embedded in the high-speed rail sleepers for a second time.

[0028] Specifically, the through hole 305 and the thread groove 204 have the same aperture, and the through hole 305 and the thread groove 204 are connected by an external screw. By rotating the external screw through the through hole 305 and extending into the inside of the thread groove 204, the pressure plate 304 and the top plate 202 can be detachably connected, thereby limiting the vertical height of the top plate 202.

[0029] Specifically, there are multiple protrusions 301 , and the multiple protrusions 301 are evenly distributed on the upper surface of the pad 101 . The multiple protrusions 301 enable the top plate 202 to be limited in multiple directions.

[0030] Specifically, the bottoms of the first pressure rod 205 and the second pressure rod 306 are both pointed, and the first pressure rod 205 and the second pressure rod 306 can be embedded in the high-speed railway track sleepers. Because the bottoms of the first pressure rod 205 and the second pressure rod 306 are both pointed, they can be embedded in the high-speed railway track sleepers.

[0031] When in use, first move the pad 101 to the desired position, then move the elastic pressing component 2 to align the first pressing rod 205 with the first insertion hole 104 and press down so that the outer wall of the bottom surface of the elastic rubber pad 201 can fit the inner wall of the bottom surface of the bearing groove 102, and at the same time, the first pressing rod 205 is preliminarily embedded in the high-speed rail sleeper, and then the high-speed rail bolt is moved and passed through the vertical hole 103 and the high-speed rail sleeper in turn and connected with the external nut. At the same time, the first pressing rod 205 can be embedded in the high-speed rail sleeper for the second time, and under the action of the elastic rubber pad 201, the anti-slip pad 203 can be tightly fitted with the high-speed rail bolt, effectively realizing the function of the sealing gasket to fit tightly with the high-speed rail bolt, and the sealing gasket can be embedded in the high-speed rail sleeper to avoid lateral loosening of the pad 101, thereby improving After the screw thread 304 is tightened, the second locking nut 306 is tightened, and the second locking nut 306 is tightened, so that the second locking nut 306 is tightened.

[0032] The components used in the present invention are all finished products produced by existing technologies and can be purchased on the market; the components are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special anti-loosening sealing gasket for high-speed railway track bolts, comprising a pad support assembly (1), characterized in that: The inner side wall of the cushion support component (1) is provided with an elastic downward pressing component (2), and the outer side wall of the cushion support component (1) is plugged with a downward pressing locking component (3); The pad support assembly (1) is used to support the elastic downward pressure assembly (2) and to make contact with the high-speed rail sleeper; the elastic downward pressure assembly (2) is used to tightly fit the high-speed rail bolt under the action of its own elastic force and to be embedded in the high-speed rail sleeper after being compressed; the downward pressure locking assembly (3) is used to be embedded in the high-speed rail sleeper and to be connected to the elastic downward pressure assembly (2) under the action of an external screw, thereby performing a secondary limit on the position of the elastic downward pressure assembly (2) after being compressed.

2. The special anti-loosening sealing gasket for high-speed railway track bolts according to claim 1, characterized in that: The cushion support assembly (1) comprises a pad (101), the upper surface of the pad (101) is provided with a bearing groove (102), the inner wall of the bottom surface of the bearing groove (102) is provided with a vertical hole (103) and a first plug hole (104), and the outer wall of the bottom surface of the bearing groove (102) is provided with a second plug hole (105).

3. The special anti-loosening sealing gasket for high-speed railway track bolts according to claim 2, characterized in that: The elastic downward pressing component (2) includes a top plate (202), an elastic rubber pad (201) is bonded to the outer wall of the bottom surface of the top plate (202), the outer wall of the top plate (202) and the outer wall of the elastic rubber pad (201) are wedged with the inner wall of the bearing groove (102), an anti-slip pad (203) is provided on the upper surface of the top plate (202), one end of a first pressing rod (205) is provided on the outer wall of the bottom surface of the top plate (202), and the other end of the first pressing rod (205) can slide through the elastic rubber pad (201) and the first jack (104) and then extend to a position below the pad (101), and a threaded groove (204) is provided on the outer wall of the top plate (202).

4. The special anti-loosening sealing gasket for high-speed railway track bolts according to claim 3, characterized in that: The downward pressing locking assembly (3) includes a protrusion (301), the protrusion (301) is arranged on the upper surface of the pad (101), a slide groove (302) is provided on the upper surface of the protrusion (301), and a side groove (303) is provided on the inner wall of the slide groove (302), wherein the inner wall of the bottom surface of the slide groove (302) is connected to the second socket (105), and the inner wall of the slide groove (302) is slidably connected to a pressure plate (304), and the outer wall of the bottom surface of the pressure plate (304) is provided with one end of a second pressure rod (306), and the other end of the second pressure rod (306) can slide through the second socket (105) and then extend to a position below the pad (101), and the outer wall of the pressure plate (304) is provided with a through hole (305).

5. The special anti-loosening sealing gasket for high-speed railway track bolts according to claim 3, characterized in that: The number of the first pressure rods (205) and the number of the first insertion holes (104) are both multiple, the multiple first insertion holes (104) are evenly distributed on the inner wall of the bottom surface of the bearing groove (102), and the multiple first pressure rods (205) are evenly distributed on the outer wall of the bottom surface of the top plate (202).

6. The special anti-loosening sealing gasket for high-speed railway track bolts according to claim 4, characterized in that: The through hole (305) and the thread groove (204) have the same aperture, and the through hole (305) and the thread groove (204) are connected by an external screw.

7. The special anti-loosening sealing gasket for high-speed railway track bolts according to claim 4, characterized in that: There are multiple protrusions (301), and the multiple protrusions (301) are evenly distributed on the upper surface of the pad (101).

8. The special anti-loosening sealing gasket for high-speed railway track bolts according to claim 4, characterized in that: The bottoms of the first pressure rod (205) and the second pressure rod (306) are both pointed, and the first pressure rod (205) and the second pressure rod (306) can be embedded in the interior of the high-speed railway track sleepers.