CN221255068U - Insulating sleeve for railway fastener - Google Patents
Insulating sleeve for railway fastener Download PDFInfo
- Publication number
- CN221255068U CN221255068U CN202323313477.9U CN202323313477U CN221255068U CN 221255068 U CN221255068 U CN 221255068U CN 202323313477 U CN202323313477 U CN 202323313477U CN 221255068 U CN221255068 U CN 221255068U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- buffer
- outer sleeve
- insulating
- inner sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000003139 buffering effect Effects 0.000 claims description 9
- 241001669679 Eleotris Species 0.000 abstract description 31
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to the technical field of insulating sleeves, and discloses an insulating sleeve for a railway fastener, which comprises an outer sleeve, wherein an external thread is arranged on the outer surface of the outer sleeve, a buffer is fixedly connected to the lower end of the outer sleeve, a buffer mechanism is arranged on the outer sleeve, the buffer mechanism comprises an inner sleeve, an inner groove is formed in the outer sleeve, the inner groove extends upwards out of the upper surface of the outer sleeve, the inner sleeve is fixedly sleeved on the inner wall of the inner groove, the inner sleeve is hollow, the insulating sleeve for the railway fastener is also used for protecting the outer sleeve, a friction pad is in contact with a buffer hemisphere when a sleeper bolt is screwed into the inner sleeve, the buffer hemisphere is extruded to enable the buffer hemisphere to be extruded and deformed, friction force between the sleeper bolt and the inner sleeve is increased, the stability of connection between the sleeper bolt and the inner sleeve is further guaranteed, and when the inner sleeve is impacted by the outside, the buffer hemisphere and the friction pad are matched to protect the inner sleeve and the outer sleeve, and the service life of the insulating sleeve is further guaranteed.
Description
Technical Field
The utility model relates to the technical field of insulating sleeves, in particular to an insulating sleeve for a railway fastener.
Background
The prior railway fastener assembly generally comprises a steel rail, a rail pad, sleeper bolts, elastic strips, a gauge baffle, a bottom plate, an elastic bottom plate pad and an insulating sleeve, wherein the insulating sleeve is pre-installed on the rail, the rail pad, the bottom plate and the elastic bottom plate pad are sequentially installed under the steel rail, the gauge baffle and the elastic strips on two sides are screwed tightly through the sleeper bolts so as to fix the steel rail, and the sleeper bolts are screwed into the insulating sleeve to play a role in fixing the assembly.
However, in the prior art, since the rail receives huge impact force in the running process of the train, the sleeper bolts are also stressed huge, the sleeper bolts transmit force to the insulating sleeve, the existing insulating sleeve is simple in structure and weak in capability of buffering the impact force, so that the insulating sleeve is damaged or cracked in the using process, the insulating performance of the insulating sleeve is reduced, and potential safety hazards of train operation are caused.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the insulating sleeve for the railway fastener, which is provided with the friction pad which plays a role in protecting the outer sleeve, and can be contacted with the buffer hemisphere and extruded to deform when the sleeper bolt is screwed into the inner sleeve, so that the friction force between the sleeper bolt and the inner sleeve is increased, the connection stability between the sleeper bolt and the inner sleeve is further ensured, when the inner sleeve is impacted by the outside, the buffer hemisphere and the friction pad are matched to protect the inner sleeve and the outer sleeve, so that the service life of the insulating sleeve is ensured, the rubber layer can increase the friction force between the inner sleeve and the sleeper bolt, so as to ensure the connection stability and the safety between the sleeper bolt and the inner sleeve, and on the other hand, the rubber layer can buffer the inner sleeve, so that the damage is avoided, the stability of the insulating sleeve used for the railway fastener is improved, the buffer pad can be increased, the buffer pad can be contacted with the bottom wall of the installation hole when the outer sleeve is screwed into the installation hole, and is extruded to deform in the screwing process, the buffer pad releases the elastic force to push the inner sleeve, the inner sleeve and further the friction force between the outer sleeve and the installation hole is increased, so that the service life of the rail is prolonged, the potential safety hazard of the railway fastener is also caused by the high impact force of the sleeper bolt in the train running process, and the operation is reduced, and the problem of the existing insulating sleeve is greatly damaged due to the fact that the impact force is greatly caused to the high impact force is caused in the operation process of the railway fastener is simple, and has a large impact force in the operation process.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the insulation sleeve for the railway fastener comprises an outer sleeve, wherein the outer surface of the outer sleeve is provided with external threads;
wherein, the lower end of the outer sleeve is fixedly connected with a buffer cushion;
Wherein, be provided with buffer gear on the outer tube.
Preferably, the buffer mechanism comprises an inner sleeve, and an inner groove is formed in the outer sleeve;
Wherein, the inner groove extends upwards to the upper surface of the outer sleeve.
Preferably, the inner sleeve is fixedly sleeved on the inner wall of the inner groove;
Wherein, the interior of the inner sleeve is hollow, and the inner wall of the inner sleeve is provided with internal threads.
Preferably, a rubber layer is fixedly sleeved on the inner wall of the inner sleeve.
Preferably, a friction pad is fixedly sleeved at the bottom of the inner groove;
Wherein, the upper surface fixedly connected with of friction pad has a plurality of buffering hemispheres.
(III) beneficial effects
Compared with the prior art, the utility model provides the insulating sleeve for the railway fastener, which has the following beneficial effects:
1. This insulating sleeve for railway fastener, friction pad also plays the guard action at outer sleeve pipe to can contact with the buffering hemisphere when with sleeper bolt screw in interior sleeve pipe and extrusion buffering hemisphere makes it take place extrusion deformation, and then increases the frictional force between sleeper bolt and the interior sleeve pipe, and then guarantees the steadiness of connecting between sleeper bolt and the interior sleeve pipe, and when interior sleeve pipe receives external impact, buffering hemisphere and friction pad cooperation play the guard action to interior sleeve pipe and outer tube, and then guarantee insulating sleeve's life.
2. This insulating sleeve for railway fastener, the rubber layer can increase the frictional force between sleeve pipe and the sleeper bolt on the one hand, and then guarantees firm nature and the security of being connected between sleeper bolt and the interior sleeve pipe, and on the other hand, the rubber layer can be to its cushioning effect of atress of interior sleeve pipe, and then avoids damaging, improves the stability that insulating sleeve used.
3. This insulating sleeve for railway fastener, the blotter can increase when outer tube screw in mounting hole, and the blotter can be with the diapire contact of mounting hole to receive the extrusion at screw in-process blotter and produce extrusion deformation, synchronous, the blotter release elasticity promotes the outer tube and tightly extrudees the mounting hole inner wall, and then increases the frictional force between outer tube and the mounting hole.
Drawings
FIG. 1 is a plan view of the inside of an insulating sleeve for a railway fastener according to the present utility model;
FIG. 2 is a schematic view of a friction pad according to the present utility model;
fig. 3 is an enlarged view at a of fig. 1.
In the figure: 1. an outer sleeve; 2. an inner tank; 3. an inner sleeve; 4. a rubber layer; 5. a cushion pad; 6. buffering hemispheres; 7. friction pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a new technical solution: an insulating sleeve for railway fasteners comprises an outer sleeve 1, wherein the outer surface of the outer sleeve 1 is provided with external threads;
wherein, the lower end of the outer sleeve 1 is fixedly connected with a buffer cushion 5;
wherein, the outer sleeve 1 is provided with a buffer mechanism.
Further, the buffer mechanism comprises an inner sleeve 3, and an inner groove 2 is formed in the outer sleeve 1;
wherein the inner groove 2 extends upwards out of the upper surface of the outer sleeve 1.
Further, the inner sleeve 3 is fixedly sleeved on the inner wall of the inner groove 2;
Wherein, interior sleeve pipe 3 inside cavity, the inner wall of sleeve pipe 3 is provided with the internal thread.
Further, the inner wall of the inner sleeve 3 is fixedly sleeved with a rubber layer 4.
Further, a friction pad 7 is fixedly sleeved at the bottom of the inner groove 2;
Wherein, the upper surface of friction pad 7 is fixedly connected with a plurality of buffering hemispheres 6.
Further, in the scheme, the rubber layer 4 is made of wear-resistant elastic rubber;
In the scheme, the outer sleeve 1 and the inner sleeve 3 are made of high-hardness and high-strength insulating materials with different materials;
wherein, in this scheme, blotter 7, buffering hemisphere 6 all adopt elastic silica gel material.
Furthermore, when in use, the inner sleeve 3 can be in threaded connection with the sleeper bolt, and the outer sleeve 1 can be directly screwed into a preset mounting hole on the rail, so that the mounting is finished.
Further, the rubber layer 4 can increase the frictional force between the inner sleeve 3 and the sleeper bolt on one hand, and then guarantee the stability and the safety of the connection between the sleeper bolt and the inner sleeve 3, and on the other hand, the rubber layer 4 can buffer the stress of the inner sleeve 3, and then avoid damage, and improve the stability of the use of the insulating sleeve.
Further, the friction pad 7 also plays a protective role on the outer sleeve 1, and when the sleeper bolt is screwed into the inner sleeve 3, the friction pad 7 contacts with the buffer hemisphere 6 and extrudes the buffer hemisphere 6 to enable the buffer hemisphere 6 to be extruded and deformed, so that the friction force between the sleeper bolt and the inner sleeve 3 is increased, the connection stability between the sleeper bolt and the inner sleeve 3 is further guaranteed, and when the inner sleeve 3 is impacted by the outside, the buffer hemisphere 6 and the friction pad 7 cooperate to play a protective role on the inner sleeve 3 and the outer sleeve 1, and the service life of the insulating sleeve is further guaranteed.
Further, when the outer sleeve 1 can be additionally screwed into the mounting hole by the buffer cushion 5, the buffer cushion 5 can be contacted with the bottom wall of the mounting hole, and extrusion deformation is generated when the buffer cushion 5 is extruded in the screwing process, and simultaneously, the buffer cushion 5 releases elastic force to push the outer sleeve 1 to tightly extrude the inner wall of the mounting hole, so that friction force between the outer sleeve 1 and the mounting hole is increased.
Working principle: when the device is used, the inner sleeve 3 can be in threaded connection with the sleeper bolt in use, and the outer sleeve 1 can be directly screwed into a preset mounting hole on a rail, so that the installation is completed.
Further, the rubber layer 4 can increase the frictional force between the inner sleeve 3 and the sleeper bolt on one hand, and then guarantee the stability and the safety of the connection between the sleeper bolt and the inner sleeve 3, and on the other hand, the rubber layer 4 can buffer the stress of the inner sleeve 3, and then avoid damage, and improve the stability of the use of the insulating sleeve.
Further, the friction pad 7 also plays a protective role on the outer sleeve 1, and when the sleeper bolt is screwed into the inner sleeve 3, the friction pad 7 contacts with the buffer hemisphere 6 and extrudes the buffer hemisphere 6 to enable the buffer hemisphere 6 to be extruded and deformed, so that the friction force between the sleeper bolt and the inner sleeve 3 is increased, the connection stability between the sleeper bolt and the inner sleeve 3 is further guaranteed, and when the inner sleeve 3 is impacted by the outside, the buffer hemisphere 6 and the friction pad 7 cooperate to play a protective role on the inner sleeve 3 and the outer sleeve 1, and the service life of the insulating sleeve is further guaranteed.
Further, when the outer sleeve 1 can be additionally screwed into the mounting hole by the buffer cushion 5, the buffer cushion 5 can be contacted with the bottom wall of the mounting hole, and extrusion deformation is generated when the buffer cushion 5 is extruded in the screwing process, and simultaneously, the buffer cushion 5 releases elastic force to push the outer sleeve 1 to tightly extrude the inner wall of the mounting hole, so that friction force between the outer sleeve 1 and the mounting hole is increased.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an insulating boot for railway fastener, includes outer tube (1), its characterized in that: the outer surface of the outer sleeve (1) is provided with external threads;
Wherein, the lower end of the outer sleeve (1) is fixedly connected with a buffer pad (5);
wherein, the outer sleeve (1) is provided with a buffer mechanism.
2. An insulating sleeve for railway fasteners as in claim 1 wherein: the buffer mechanism comprises an inner sleeve (3), and an inner groove (2) is formed in the outer sleeve (1);
Wherein, the inner groove (2) extends upwards to the upper surface of the outer sleeve (1).
3. An insulating sleeve for railway fasteners as in claim 2 wherein: the inner sleeve (3) is fixedly sleeved on the inner wall of the inner groove (2);
wherein, interior cavity of interior sleeve pipe (3), the inner wall of interior sleeve pipe (3) is provided with the internal thread.
4. An insulating sleeve for a railway fastener as claimed in claim 3, wherein: the inner wall of the inner sleeve (3) is fixedly sleeved with a rubber layer (4).
5. An insulating sleeve for a railway fastener as claimed in claim 4, wherein: a friction pad (7) is fixedly sleeved at the bottom of the inner groove (2);
Wherein, the upper surface of friction pad (7) fixedly connected with a plurality of buffering hemispheres (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323313477.9U CN221255068U (en) | 2023-12-06 | 2023-12-06 | Insulating sleeve for railway fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323313477.9U CN221255068U (en) | 2023-12-06 | 2023-12-06 | Insulating sleeve for railway fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221255068U true CN221255068U (en) | 2024-07-02 |
Family
ID=91652092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323313477.9U Active CN221255068U (en) | 2023-12-06 | 2023-12-06 | Insulating sleeve for railway fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221255068U (en) |
-
2023
- 2023-12-06 CN CN202323313477.9U patent/CN221255068U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |