CN214465490U - Combined shockproof stacked nut - Google Patents

Abstract

The utility model discloses a combined shockproof stacking nut, which comprises a nut, wherein one side of the nut is provided with grooves at equal intervals along the circumferential position, one axial side of the nut is provided with a damping piece, the middle part of the damping piece is provided with a cavity, the inner surface of the cavity is uniformly provided with at least three contact plates, a damping elastic sheet is connected between the contact plates and the damping piece, one side of the damping piece close to the nut, which corresponds to the groove, is fixedly connected with a connecting rod matched with the groove, and an air bag ring is arranged on the circumference of the connecting rod and between the grooves. So as to avoid the nut from vibrating, ensure the stability of the nut and avoid the nut from falling off.

Description

Combined shockproof stacked nut

Technical Field

The utility model relates to a nut technical field specifically is a modular stack nut that takes precautions against earthquakes.

Background

The nut is a nut and is screwed together with the bolt or the screw rod to play a role in fastening, one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, nonferrous metal (such as copper) and other types according to different materials, and the existing nut is easy to loosen when being vibrated after being used for a long time so as to influence the fixation of the bolt or the screw rod;

the patent with the application number of 201921904009.X provides a combined shockproof stacked nut, which resists shock by stacking two nuts, but the two nuts are still rigidly connected, so that the effect of reducing shock is poor, and the problem is solved by a nut with a better shock reducing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular stack nut that takes precautions against earthquakes to rigid connection when still between two nuts among the solution prior art leads to reducing the effect of vibrations relatively poor, so need one kind to reduce the better nut of vibrations effect and solve the problem of this problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a modular stack nut takes precautions against earthquakes, includes the nut, the equidistant recess of having seted up in position of circumference is followed to one side of nut, axial one side of nut is equipped with the shock attenuation piece, the middle part of shock attenuation piece is equipped with the cavity, the internal surface of cavity is even is equipped with at least three contact plate, be connected with the shock attenuation shell fragment between contact plate and the shock attenuation piece, the shock attenuation piece is close to the position rigid coupling that one side of nut and recess correspond and has the connecting rod with groove complex, be equipped with the gasbag circle on the circumference of connecting rod and between the recess.

Preferably, a damping spring is connected between one end of the groove inserted into the connecting rod and the groove.

Preferably, still include the threaded rod, the contact plate is the arc board, and the contact plate agrees with the circumference of threaded rod.

Preferably, the middle part of the nut is provided with a threaded hole, and the threaded rod is in threaded connection with the threaded hole.

Preferably, the connecting rod is integrally formed with the shock-absorbing member.

Preferably, the shock absorption elastic sheet is made of a steel sheet.

Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, when the threaded rod vibrates, the contact plate and the nut also vibrate, the shock-absorbing elastic sheet can absorb the shock at the moment, and then the shock-absorbing piece can not shake;

the utility model discloses well two nut elastic connection to reduce the mutual vibrations between the two, the shake reduction effect is better.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is an explosion of the present invention;

fig. 3 is a schematic structural diagram of the nut of the present invention.

In the figure: 1. a threaded rod; 2. a nut; 22. a threaded hole; 21. a groove; 3. a shock absorbing member; 4. a damping spring; 5. a shock absorbing spring plate; 6. a cavity; 7. a connecting rod; 8. an air bag ring; 9. a contact plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a combined shockproof stacked nut includes a nut 2, a threaded hole 22 is formed in a middle portion of the nut 2, and a threaded rod 1 is in threaded connection with the threaded hole 22;

the combined sleeve is provided with a nut 1, as shown in fig. 2 and fig. 3, a damping part 3 is arranged on one axial side of the nut 2, a cavity 6 is arranged in the middle of the damping part 3, at least three contact plates 9 are uniformly arranged on the inner surface of the cavity 6, a damping elastic sheet 5 is connected between the contact plates 9 and the damping part 3, and the contact plates 9 are matched with the circumference of the threaded rod 1;

continuing to refer to fig. 1, fig. 2 and fig. 3, the position of one side of nut 2 along the circumference is equidistantly provided with grooves 21, one side of shock absorber 3 close to nut 2 is fixedly connected with connecting rod 7 matched with grooves 21 at the position corresponding to grooves 21, the circumference of connecting rod 7 is provided with air bag ring 8 between grooves 21, when nut 2 vibrates along with threaded rod 1, air bag ring 8 absorbs the vibration to avoid nut 2 from vibrating, and guarantee the stability of nut 2 and avoid nut 2 from falling off, the utility model discloses two nuts elastic connection, in order to reduce the mutual vibration between the two, the vibration reduction effect is better;

as shown in fig. 1, a damping spring 4 is connected between one end of the groove 21 inserted into the connecting rod 7 and the groove 21, and the damping spring 4 plays a further damping role to ensure the stability of the bolt;

as shown in fig. 2, the connecting rod 7 and the shock absorbing member 3 are integrally formed, and the connecting rod 7 and the shock absorbing member 3 can be stably and integrally formed;

referring to fig. 1 and 2, the shock absorbing elastic sheet 5 is made of a steel sheet.

The utility model discloses a theory of operation and use flow: when using this device, when threaded rod 1 takes place vibrations, shock attenuation shell fragment 5 can absorb vibrations this moment also can take place vibrations for contact plate 9, because shock attenuation shell fragment 5 has absorbed this vibrations, and then shock attenuation 3 can not take place to rock, so set up the shock attenuation 3 that can not rock, be for using shock attenuation 3 to give nut 2 a holding position, when nut 2 is along with threaded rod 1 vibrations, but this vibrations are absorbed to gasbag circle 8 here, in order to avoid nut 2 to take place vibrations, guarantee that nut 2's stability avoids nut 2 to drop, the utility model discloses well two nut elastic connection, with reduce mutual vibrations between the two, the shake reduction effect is better.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (6)

1. The utility model provides a modular stack nut that takes precautions against earthquakes, includes nut (2), its characterized in that: one side of nut (2) is along the equidistant recess (21) of seting up in position of circumference, the axial one side of nut (2) is equipped with damping member (3), the middle part of damping member (3) is equipped with cavity (6), the even at least three contact plate (9) that is equipped with of internal surface of cavity (6), be connected with between contact plate (9) and damping member (3) shock attenuation shell fragment (5), one side that damping member (3) are close to nut (2) has with recess (21) complex connecting rod (7) with the position rigid coupling that corresponds, be equipped with gasbag circle (8) on the circumference of connecting rod (7) between recess (21).

2. The combination seismic stack nut of claim 1, further comprising: and a damping spring (4) is connected between one end of the groove (21) inserted into the connecting rod (7) and the groove (21).

3. The combination seismic stack nut of claim 1, further comprising: still include threaded rod (1), contact plate (9) are the arc, and contact plate (9) agree with the circumference of threaded rod (1).

4. The combination seismic stack nut of claim 3, wherein: the middle part of the nut (2) is provided with a threaded hole (22), and the threaded rod (1) is in threaded connection with the threaded hole (22).

5. The combination seismic stack nut of claim 1, further comprising: the connecting rod (7) and the damping piece (3) are integrally formed.

6. The combination seismic stack nut of claim 1, further comprising: the shock absorption elastic sheet (5) is made of a steel sheet.

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