CN218621587U - Self-locking connecting mechanism of vibration-damping fastener - Google Patents
Self-locking connecting mechanism of vibration-damping fastener Download PDFInfo
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- CN218621587U CN218621587U CN202223091084.3U CN202223091084U CN218621587U CN 218621587 U CN218621587 U CN 218621587U CN 202223091084 U CN202223091084 U CN 202223091084U CN 218621587 U CN218621587 U CN 218621587U
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Abstract
The utility model discloses a self-locking coupling mechanism of a vibration damping fastener, wherein a lower iron backing plate is provided with a connecting sleeve mounting seat, and the connecting sleeve mounting seat is provided with a retaining shoulder, a round through hole and a boss buckle; installing an intermediate rubber base plate on the lower iron base plate, and installing an upper iron base plate on the intermediate rubber base plate; a round through hole matched with the excircle of the connecting sleeve is arranged on the upper iron base plate; an inner boss and a flange are arranged on the connecting sleeve, the connecting sleeve is inserted into the round through hole of the upper iron base plate, the arc surface of the inner boss is contacted with the connecting sleeve mounting seat of the lower iron base plate, the upper surface of the inner boss is contacted with the lower surface of the retaining shoulder of the lower iron base plate, and the lower surface of the connecting sleeve flange is contacted with the upper surface of the upper iron base plate; the anti-rotation buckle is inserted into the round through hole of the lower iron base plate and is clamped by the boss buckle on the lower iron base plate. The utility model discloses a prevent changeing the rotation of buckle restriction adapter sleeve, prevent that draw bail from becoming invalid, the spacing mode of buckle mode is reliable and stable, and the installation is maintained conveniently.
Description
Technical Field
The utility model relates to a damping fastener auto-lock coupling mechanism.
Background
In recent years, urban rail transit construction is steadily promoted, and citizens can go out conveniently. However, vibration and noise generated during operation of rail transit needs to be controlled by a plurality of measures, otherwise, riding comfort and daily life of people along the rail are influenced, and buildings along the rail are damaged or high-precision equipment loses working ability due to serious vibration and noise. At present, the common vibration and noise reduction measures in the field of rail transit mainly include measures such as fastener vibration reduction, ballast vibration reduction and the like. The fastener vibration reduction has higher cost performance in the current vibration reduction and noise reduction measures, is convenient to construct and is applied to more and more rail transit lines.
At present, the common damping fasteners on the market are various in types, and the double-layer medium damping fasteners are the most common. The double-layer medium damping fastener adopts a double-layer iron backing plate structure, and the elasticity required by the fastener node is mainly provided by the middle rubber backing plate. For the double-layer iron backing plate type vibration reduction fastener, the self-locking structure is an ideal structure for connecting the upper iron backing plate, the lower iron backing plate and the middle rubber backing plate, and the fastener adopting the self-locking structure is more convenient to install, transport and the like on site. However, the existing self-locking structure is basically arranged at the mounting position of the anchor bolt, the mounting height of the bolt is increased, and when the bolt bears a transverse force, the bolt bears a larger torque, so that certain structural risk is caused; the bolt mounting height is pulled up to cause certain influence on the transmission of fastening force to the iron tie plate, so that the transverse resistance of the fastener on the sleeper is influenced; and when the self-locking structure and the bolt mounting hole are integrated at one position, the mounting position of the bolt is limited, and other structural designs are not convenient to carry out on the iron base plate. Based on the above reason, the utility model provides a reliable and stable, with self-locking mechanism and the separation of bolt mounted position auto-lock structure.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, the utility model provides a self-locking coupling mechanism of a vibration damping fastener.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a damping fastener auto-lock coupling mechanism, includes lower floor's iron tie plate, middle rubber backing plate, upper iron backing plate, adapter sleeve and prevents changeing the buckle, wherein: a connecting sleeve mounting seat is arranged on the lower iron base plate, and a blocking shoulder, a circular through hole and a boss buckle are arranged on the connecting sleeve mounting seat; installing an intermediate rubber base plate on the lower iron base plate, and installing an upper iron base plate on the intermediate rubber base plate; a circular through hole matched with the outer circle of the connecting sleeve is arranged on the upper iron base plate; an inner boss and a flange are arranged on the connecting sleeve, the connecting sleeve is inserted into the round through hole of the upper iron base plate, the arc surface of the inner boss is contacted with the connecting sleeve mounting seat of the lower iron base plate, the upper surface of the inner boss is contacted with the lower surface of the retaining shoulder of the lower iron base plate, and the lower surface of the connecting sleeve flange is contacted with the upper surface of the upper iron base plate; the anti-rotation buckle is inserted into the round through hole of the lower iron base plate and is clamped by the boss buckle on the lower iron base plate.
Compared with the prior art, the utility model has the positive effects that:
the utility model discloses an upper and lower iron backing plate adopts no bolt construction with middle rubber backing plate hookup department, can effectively reduce the installation length of bolt, reduces the moment of flexure that the bolt receives when bearing the transverse force, increases bolted connection's reliability. The utility model discloses a prevent changeing the rotation of buckle restriction adapter sleeve, prevent that draw bail from becoming invalid, the spacing mode of buckle mode is reliable and stable, and the installation is maintained conveniently. The method has the following specific advantages:
(1) Has good connection performance
The connection structure can realize a self-locking structure between the upper iron base plate and the lower iron base plate and the rubber base plate. The connection mode has good connection performance and can keep the stable connection of the upper iron backing plate, the lower iron backing plate and the middle rubber backing plate. The existence of the anti-rotation rod on the anti-rotation buckle ensures that the connecting sleeve does not rotate in a service state, and avoids damaging the connecting mechanism due to vibration and other reasons. Under the complex working condition, when bearing vibration, vertical force and transverse force, each part can keep the relative position, and the structure is stable and reliable.
(2) Has good vibration damping performance
When the middle rubber cushion plate is installed in place, the middle rubber cushion plate still has a large vertical compression space. In a service state, the rubber base plate can better exert the elastic performance.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a coupling mechanism;
FIG. 2 is an assembled schematic view of the coupling structure;
fig. 3 is a schematic structural view of the lower iron shim plate 1;
fig. 4 is a plan view of the lower iron shim plate 1;
FIG. 5 is a schematic view showing the structure of the intermediate rubber mat 2;
fig. 6 is a schematic structural view of the upper iron backing plate 3;
fig. 7 is a schematic structural view of the connecting sleeve 4;
FIG. 8 is a schematic structural view of the rotation preventing buckle 5;
fig. 9 is a side view of the anti-rotation catch 5.
Detailed Description
A self-locking connection mechanism of a vibration-damping fastener is shown in figures 1 and 2 and comprises 5 parts, namely a lower-layer iron base plate 1, a middle rubber base plate 2, an upper-layer iron base plate 3, a connecting sleeve 4 and an anti-rotation buckle 5. Except the connecting mechanism, other structures of the iron backing plate and the middle rubber backing plate can be designed additionally according to the requirements of the fastener.
The structure of the lower iron shim plate is shown in fig. 3 and 4, and comprises: the connecting sleeve mounting seat 1.1, the blocking shoulder 1.2, the clamping groove 1.3, the round through hole 1.4, the boss buckle 1.5 and the like. The lower iron base plate is provided with a connecting sleeve mounting seat 1.1, and the connecting sleeve mounting seat is mainly structurally provided with a retaining shoulder 1.2, a clamping groove 1.3, a circular through hole 1.4 and a boss buckle 1.5. The connecting sleeve mounting seat 1.1 and the blocking shoulder 1.2 are mainly mounted in a matched mode with the connecting sleeve 4, and the clamping groove 1.3, the circular through hole 1.4 and the boss buckle 1.5 are mainly mounted in a matched mode with the anti-rotation buckle 5.
The structure of the intermediate rubber mat 2 is shown in fig. 5, and includes: boss 2.1, blind hole 2.2, through-hole 2.3, profile modeling hole 2.4 etc.. The middle rubber base plate is provided with a boss 2.1, a through hole 2.3 and a profiling hole 2.4. When the device is installed, the through hole 2.3 is used for penetrating through the upper iron base plate to connect the sleeve installation seat 1.1; when the rubber base plate is installed, the profiling hole 2.4 avoids the retaining shoulder 1.2, so that the rubber base plate can be installed smoothly. The rest part of the rubber pad can be designed according to the requirements of the fastener.
The structure of the upper iron backing plate 3 is shown in fig. 6, and comprises: a circular through hole 3.1 and an upper surface 3.2. The upper iron backing plate is provided with a round through hole 3.1. During assembly, the round through hole 3.1 is matched with the excircle 4.1 of the connecting sleeve; the upper iron backing plate has an upper surface 3.2 near the circular through hole 3.1 which, during assembly, contacts the lower surface of the adapter sleeve flange 4.6.
The structure of the connecting sleeve 4 is shown in fig. 7, and comprises: 4.1 of the outer circle of the connecting sleeve, 4.2 of the clamping groove, 4.3 of the notch, 4.4 of the inner boss, 4.5 of the upper surface of the inner boss, 4.6 of the flange and the like. The connecting sleeve is provided with a clamping groove 4.2, an inner boss 4.4 and a flange 4.6. When the connecting sleeve is installed in place, the arc surface of the inner boss 4.4 is contacted with the connecting sleeve mounting seat 1.1 of the lower iron base plate, the upper surface 4.5 of the inner boss is contacted with the lower surface of the retaining shoulder 1.2 of the lower iron base plate, the connecting sleeve is clamped by the retaining shoulder 1.2, and the Z-direction displacement of the connecting sleeve is limited; the lower surface of the clamping groove 4.2 is flush with the lower surface of the clamping groove 1.3 of the lower iron base plate after being installed in place; when the flange is installed in place, the flange 4.6 protrudes out of the upper surface 3.2 of the upper iron base plate, and the lower surface of the flange 4.6 is in contact with the upper surface 3.2 of the upper iron base plate; a gap 4.3 is arranged on the inner circle of the connecting sleeve, and the part of the structure is used for keeping off the lower iron base plate retaining shoulder 1.2 during installation.
The structure of the anti-rotation buckle 5 is shown in fig. 8 and 9, and comprises: notch 5.1, boss buckle 5.2, buckle main part 5.3, prevent changeing pole 5.4, buckle main part breach 5.5 etc.. Prevent changeing and be equipped with breach 5.1 on the buckle, boss buckle 5.2, buckle main part 5.3, prevent changeing pole 5.4. When the anti-rotation buckle is installed, the buckle main body 5.3 is inserted into the round through hole 1.4 of the lower iron base plate, so that the boss buckle 5.2 crosses the buckle 1.5 of the lower iron base plate, the Z-direction displacement of the anti-rotation buckle 5 is limited, and the structure is shown in figure 1 after the installation is finished; after the anti-rotation rod 5.4 is installed, the anti-rotation rod is arranged in the lower iron base plate clamping groove 1.3 and the connecting sleeve clamping groove 4.2, and the lower surface of the anti-rotation rod part is closely attached to the lower surface of the clamping groove; prevent changeing and be equipped with buckle main part breach 5.5 between two buckle main parts 5.3 on the buckle, interconnect is not between two buckle main parts to deformation requirement when satisfying the installation of commentaries on classics buckle and dismantling prevents changeing.
Installation description:
during installation, the profiling hole 2.4 of the middle rubber base plate penetrates through the blocking shoulder 1.2 of the lower iron base plate, and the middle rubber base plate 2 is installed on the lower iron base plate 1. Then aligning the central line of the upper layer iron base plate circular through hole 3.1 with the central line of the lower layer iron base plate circular through hole 1.4, and installing the upper layer iron base plate 3 on the middle rubber base plate 2. Then aligning the central line of the connecting sleeve 4 with the central line of the upper layer iron base plate circular through hole 3.1, adjusting the position of the connecting sleeve, utilizing the gap 4.3 to enable the inner boss 4.4 to avoid the retaining shoulder 1.2, and inserting the connecting sleeve into the upper layer iron base plate circular through hole 3.1 after the adjustment. After the parts are installed in place, the upper iron base plate is vertically pressed downwards by equipment or other tools, the upper iron base plate is enabled to move downwards by 1-2 mm in the vertical direction and to be kept, then the connecting sleeve 4 is rotated by 90 degrees, the upper surface 4.5 of the inner boss is enabled to be in contact with the lower surface of the retaining shoulder 1.2, the retaining shoulder 1.2 is enabled to clamp the inner boss 4.4 and limit the displacement of the inner boss in the vertical direction, after the connecting sleeve is rotated to a designated position, force applying equipment or tools on the upper iron base plate are removed, and the connecting sleeve clamping groove 4.2 which is installed in place is enabled to be aligned with the lower iron base plate clamping groove 1.3. At last, the installation of the anti-rotation buckle 5 is realized, the central line of the anti-rotation buckle 5 is aligned with the central line of the circular through hole 1.4 of the lower iron base plate, the anti-rotation rod 5.4 is aligned with the clamping groove 4.2 and the clamping groove 1.3 and is inserted into the circular through hole 1.4 and is pressed downwards, so that the boss buckle 5.2 on the anti-rotation buckle 5 crosses the boss buckle 1.5 on the lower iron base plate, and the boss buckle 1.5 of the lower iron base plate is clamped with the boss buckle 5.2 of the anti-rotation buckle. The installation process is completed.
When the disassembly is carried out, a tool is used for clamping the notch 5.1 on the anti-rotation buckle, the anti-rotation buckle main body 5.3 is pressed towards the center, the boss buckle 5.2 on the anti-rotation buckle 5 crosses the boss buckle 1.5 on the lower iron base plate 1, and then the anti-rotation buckle 5 is taken down. After the buckle is disassembled, the rest parts are disassembled in the reverse order during installation.
Claims (9)
1. The utility model provides a damping fastener auto-lock coupling mechanism which characterized in that: including lower floor's iron tie plate, middle rubber backing plate, upper iron backing plate, adapter sleeve and prevent changeing the buckle, wherein: a connecting sleeve mounting seat is arranged on the lower iron base plate, and a blocking shoulder, a circular through hole and a boss buckle are arranged on the connecting sleeve mounting seat; installing an intermediate rubber base plate on the lower iron base plate, and installing an upper iron base plate on the intermediate rubber base plate; a round through hole matched with the excircle of the connecting sleeve is arranged on the upper iron base plate; an inner boss and a flange are arranged on the connecting sleeve, the connecting sleeve is inserted into the round through hole of the upper iron base plate, the arc surface of the inner boss is contacted with the connecting sleeve mounting seat of the lower iron base plate, the upper surface of the inner boss is contacted with the lower surface of the retaining shoulder of the lower iron base plate, and the lower surface of the connecting sleeve flange is contacted with the upper surface of the upper iron base plate; the anti-rotation buckle is inserted into the round through hole of the lower iron base plate and is clamped by the boss buckle on the lower iron base plate.
2. The self-locking coupling mechanism of a vibration-damping fastener according to claim 1, wherein: the blocking shoulder of the lower iron base plate is provided with a clamping groove.
3. The self-locking coupling mechanism of a vibration-damping fastener according to claim 1, wherein: the middle rubber base plate is provided with a profiling hole.
4. The self-locking coupling mechanism of a vibration-damping fastener according to claim 1, wherein: the flange of the connecting sleeve is provided with a clamping groove.
5. The self-locking coupling mechanism of a vibration-damping fastener according to claim 1, wherein: the inner boss of the connecting sleeve is provided with a gap.
6. The self-locking coupling mechanism of a vibration-damping fastener according to claim 1, wherein: prevent changeing the buckle and include the buckle main part and prevent the bull stick, set up the boss buckle at the lower extreme of buckle main part.
7. The self-locking coupling mechanism of a vibration-damping fastener according to claim 6, wherein: a notch is arranged on the buckle main body.
8. The self-locking coupling mechanism of a vibration-damping fastener according to claim 6, wherein: the boss buckle is provided with a notch.
9. The self-locking coupling mechanism of a vibration-damping fastener according to claim 1, wherein: the middle rubber base plate is provided with a boss and a blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223091084.3U CN218621587U (en) | 2022-11-21 | 2022-11-21 | Self-locking connecting mechanism of vibration-damping fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223091084.3U CN218621587U (en) | 2022-11-21 | 2022-11-21 | Self-locking connecting mechanism of vibration-damping fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218621587U true CN218621587U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223091084.3U Active CN218621587U (en) | 2022-11-21 | 2022-11-21 | Self-locking connecting mechanism of vibration-damping fastener |
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| Country | Link |
|---|---|
| CN (1) | CN218621587U (en) |
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- 2022-11-21 CN CN202223091084.3U patent/CN218621587U/en active Active
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