CN215631551U - Combined double-layer ferrule for nonlinear vibration reduction fastener - Google Patents
Combined double-layer ferrule for nonlinear vibration reduction fastener Download PDFInfo
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- CN215631551U CN215631551U CN202120159416.3U CN202120159416U CN215631551U CN 215631551 U CN215631551 U CN 215631551U CN 202120159416 U CN202120159416 U CN 202120159416U CN 215631551 U CN215631551 U CN 215631551U
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Abstract
The utility model relates to the field of fasteners, in particular to a combined double-layer ferrule for a nonlinear vibration damping fastener, which comprises a bottom ferrule, a middle metal layer and a top ferrule, wherein the top ferrule is arranged at the top of the middle metal layer, the bottom ferrule is arranged at the bottom of the middle metal layer, the top ferrule and the bottom ferrule both comprise rubber layers, a top outer-layer steel ring is wrapped outside the rubber layer of the top ferrule, and a bottom outer-layer steel ring is wrapped outside the rubber layer of the bottom ferrule. The product has reasonable design and simple structure, and the bottom ferrule, the middle metal layer and the top ferrule are combined into a whole for matching use, so that the transverse and longitudinal stress of the fastener can be relieved, the vertical rigidity of a fastener system is reduced, and the anti-overturning capability of the fastener is improved; after the bottom ferrule and the top ferrule are connected in series, the vertical rigidity of the ferrules can be further reduced, and the vibration damping performance of the fastener is improved.
Description
Technical Field
The utility model relates to the field of fasteners, in particular to a combined double-layer ferrule for a nonlinear vibration attenuation fastener.
Background
The fastener generally refers to the intermediate junction part of connecting two components, is used for the fixed of the steel pipe scaffold that the external diameter is phi 48mm in building engineering more, and the kind of fastener is various, mainly has novel fastener, steel pipe scaffold fastener, cast steel fastener, T type building fastener, concrete sleeper fastener, wooden sleeper fastener, rail fastener, Fossiro fastener, malleable iron fastener, scaffold fastener, railway fastener, steel sheet punching press fastener, butt joint fastener, rotatory fastener, right angle fastener.
The steel fasteners are generally divided into cast steel fasteners, steel plate stamping fasteners and hydraulic fasteners, the production process of the cast steel fasteners is approximately the same as that of cast iron, and the steel plate stamping fasteners and the hydraulic fasteners are formed by stamping and hydraulic technology through steel plates with the thickness of 3.5-5 mm. The steel fastener has excellent properties, such as fracture resistance, sliding resistance, deformation resistance, falling resistance, rust resistance and the like. The rigidity of a ferrule of the fastener in the current market cannot be adjusted, the stress between an iron base plate of the fastener and the ferrule is not balanced, and the overturning capability of the fastener is poor.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a ferrule for a combined double-layer nonlinear damping fastener, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a combined double-deck non-linear damping is lasso for fastener, includes bottom lasso, middle metal level and top lasso, the top lasso sets up the top at middle metal level, the bottom lasso sets up the bottom at middle metal level, and top lasso and bottom lasso all include the rubber layer, the rubber layer outside cladding of top lasso has the outer steel ring in top, the rubber layer outside cladding of bottom lasso has the outer steel ring in bottom.
As a still further scheme of the utility model: and the bottom ferrule, the middle metal layer and the top ferrule are vulcanized into a whole.
As a still further scheme of the utility model: and the top outer layer steel ring and the bottom outer layer steel ring are provided with fractures.
As a still further scheme of the utility model: the top outer layer steel ring, the bottom outer layer steel ring and the middle metal layer are made of steel materials.
As a still further scheme of the utility model: slope steps are arranged on the bottom ferrule and the top ferrule.
As a still further scheme of the utility model: the thickness of the top outer layer steel ring and the bottom outer layer steel ring is not less than 2 mm.
Compared with the prior art, the utility model has the beneficial effects that: the product has reasonable design and simple structure, and the bottom ferrule, the middle metal layer and the top ferrule are combined into a whole for matching use, so that the transverse and longitudinal stress of the fastener can be relieved, the vertical rigidity of a fastener system is reduced, and the anti-overturning capability of the fastener is improved; after the bottom ferrule and the top ferrule are connected in series, the vertical rigidity of the ferrules can be further reduced, and the vibration damping performance of the fastener is improved.
Drawings
Fig. 1 is a schematic structural diagram of the device.
Fig. 2 is a top view of the present apparatus.
Fig. 3 is a schematic view of a bolt hole in the device.
1-top ferrule, 11-top outer layer steel ring, 2-middle metal layer, 3-bottom ferrule, 31-bottom outer layer steel ring and 4-bolt hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Example one
Referring to fig. 1 and 2, in an embodiment of the present invention, a combined double-layer ferrule for a nonlinear vibration damping fastener includes a bottom ferrule 3, a middle metal layer 2, and a top ferrule 1, where the top ferrule 1 is disposed on the top of the middle metal layer 2, the bottom ferrule 3 is disposed on the bottom of the middle metal layer 2, both the top ferrule 1 and the bottom ferrule 3 include rubber layers, a top outer layer steel ring 11 is wrapped outside the rubber layer of the top ferrule 1, and a bottom outer layer steel ring 33 is wrapped outside the rubber layer of the bottom ferrule 3, and the rubber layers can adjust the stiffness of the ferrule by adding the steel ring.
The bottom ferrule 3, the middle metal layer 2 and the top ferrule 1 are vulcanized into a whole, and the vulcanized rubber has high rigidity in the transverse direction and the longitudinal direction and low vertical rigidity, so that the vulcanized rubber can perform small damping movement in the vertical direction, and in addition, the rigidity of the ferrules can be further reduced and the vibration damping effect of the fastener is improved under the condition that the bottom ferrule 3 and the top ferrule 1 are combined in series.
And the top outer layer steel ring 11 and the bottom outer layer steel ring 33 are provided with fractures.
The top outer layer steel ring 11, the bottom outer layer steel ring 33 and the middle metal layer 2 are made of steel materials.
The bottom ferrule 3 and the top ferrule 1 are both provided with slope steps.
The product has reasonable design and simple structure, and the bottom ferrule 3, the middle metal layer 2 and the top ferrule 1 are combined into a whole for matching use, so that the transverse and longitudinal stress of the fastener can be relieved, the vertical rigidity of a fastener system is reduced, and the anti-overturning capability of the fastener is improved; after the bottom ferrule 3 and the top ferrule 1 are connected in series, the vertical rigidity of the ferrules can be further reduced, and the vibration damping performance of the fastener is improved. The problems that the rigidity of the ferrule cannot be adjusted, the stress between the iron base plate of the fastener and the ferrule is unbalanced and the overturning capacity of the fastener is poor are solved.
Example two
On the basis of the first embodiment, the thickness of the top outer steel ring 11 and the bottom outer steel ring 33 is not less than 2 mm. The strength of the steel ring is ensured.
EXAMPLE III
Referring to fig. 3, on the basis of the first embodiment, a bolt center hole is provided in the center of the ferrule to cooperate with the upper and lower iron pads.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a combined double-deck non-linear damping is lasso for fastener, includes bottom lasso (3), middle metal level (2) and top lasso (1), its characterized in that, top lasso (1) sets up the top at middle metal level (2), bottom lasso (3) set up the bottom at middle metal level (2), and top lasso (1) and bottom lasso (3) all include the rubber layer, the rubber layer outside cladding of top lasso (1) has top outer steel ring (11), the rubber layer outside cladding of bottom lasso (3) has bottom outer steel ring (33).
2. Ferrule for a combined double-layer nonlinear vibration damping fastener according to claim 1, characterized in that the bottom ferrule (3), the middle metal layer (2) and the top ferrule (1) are vulcanized as one body.
3. A ferrule for a combined double-layer nonlinear damping fastener according to claim 1 or 2, characterized in that the top outer steel ring (11) and the bottom outer steel ring (33) are provided with a fracture.
4. A ferrule for a combined double-layer nonlinear damping fastener according to claim 3, characterized in that the top outer steel ring (11), the bottom outer steel ring (33) and the middle metal layer (2) are made of steel.
5. A ferrule for a combined double-layer nonlinear vibration damping fastener according to claim 1 or 4, characterized in that the bottom ferrule (3) and the top ferrule (1) are provided with ramp steps.
6. A ferrule for a combined double-layer nonlinear vibration damping fastener according to claim 1, characterized in that the thickness of the top outer steel ring (11) and the bottom outer steel ring (33) is not less than 2 mm.
7. The ferrule for the combined double-layer nonlinear damping fastener according to claim 1, wherein the center of the ferrule is provided with a bolt hole for matching with the upper and lower iron backing plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120159416.3U CN215631551U (en) | 2021-01-21 | 2021-01-21 | Combined double-layer ferrule for nonlinear vibration reduction fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120159416.3U CN215631551U (en) | 2021-01-21 | 2021-01-21 | Combined double-layer ferrule for nonlinear vibration reduction fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215631551U true CN215631551U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120159416.3U Active CN215631551U (en) | 2021-01-21 | 2021-01-21 | Combined double-layer ferrule for nonlinear vibration reduction fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215631551U (en) |
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2021
- 2021-01-21 CN CN202120159416.3U patent/CN215631551U/en active Active
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