CN214092878U

CN214092878U - Antidetonation connecting piece

Info

Publication number: CN214092878U
Application number: CN202022520138.8U
Authority: CN
Inventors: 宋丹霞; 叶帆; 张正伟; 赵淑宝; 茹竞升
Original assignee: Zhejiang Youjia New Material Technology Co ltd
Current assignee: Zhejiang Youjia New Material Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-31
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses an antidetonation connecting piece relates to the mechanical device field, which comprises a fixing plate and i, the equal fixedly connected with drum in one end both sides of fixed plate, the one end middle part of fixed plate is provided with the fly leaf, the one end fixedly connected with connecting axle that the fly leaf is close to the fixed plate, the both ends outside of connecting axle all is provided with the external screw thread, the both ends of connecting axle extend to inside two drums respectively, the inside sleeve that is provided with of one end that two drums were kept away from each other. The utility model discloses a be provided with connecting axle threaded connection's sleeve, be provided with the rubber layer in the sleeve, be provided with the elliptical trough in the rubber layer, drive the limiting plate through the dead lever of elliptical trough and be damping motion in the spacing inslot again, and then fall some with the power absorption that the vibrations that this device received produce, make this device have good shock resistance, the rubber layer can effectively protect the part simultaneously, has improved the life of this device.

Description

Antidetonation connecting piece

Technical Field

The utility model relates to a mechanical device field, in particular to antidetonation connecting piece.

Background

In the electromechanical system of modern buildings, the number of air pipes or bridges is huge, the specification and the model are very complex, whether the air pipes or bridges have enough strength to fix the air pipes or bridges on the structure when the electromechanical system works at daily time and the air pipes or bridges run at full load by gravity is the key to the normal running of the whole electromechanical system, when an earthquake happens suddenly, the air pipes or bridges can fall off under the earthquake action of intensity, even the normal running of life line systems (such as fire sprinkler and smoke exhaust prevention systems) can be influenced, the life and property safety of people is threatened, the existing anti-seismic connecting piece has poor anti-seismic performance and cannot meet the requirements of users, and therefore, the anti-seismic connecting piece is invented to solve the problems and is necessary to resist the earthquake.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antidetonation connecting piece to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-seismic connecting piece comprises a fixed plate, wherein both sides of one end of the fixed plate are fixedly connected with cylinders, a movable plate is arranged in the middle of one end of the fixed plate, one end of the movable plate, which is close to the fixed plate, is fixedly connected with a connecting shaft, the outer sides of both ends of the connecting shaft are respectively provided with an external thread, both ends of the connecting shaft respectively extend into the two cylinders, a sleeve is arranged in one end, which is far away from each other, of the two cylinders, a rubber layer is fixedly connected to the inner side of the sleeve, a plurality of elliptical grooves distributed in an annular array are formed in the rubber layer, convex plates are fixedly connected to the inner walls of both sides of the elliptical grooves, a fixed block is fixedly connected to the middle of one side surface of each convex plate arranged on one side of each elliptical groove, a fixed rod is fixedly connected to the middle of one side surface of each convex plate arranged on the other side of each elliptical groove, and a groove matched with the fixed rod is formed in one side surface of each fixed block, which is close to the fixed rod, the fixed block is internally provided with a limiting groove, the groove is communicated with the limiting groove, a limiting plate is arranged in the limiting groove, one end of the fixed rod penetrates through the groove and extends to the inside of the limiting groove, one end of the fixed rod is fixedly connected with the limiting plate, and damping layers are fixedly connected to the groove walls on the two sides of the limiting groove.

Preferably, the two ends of one side of the limiting plate, which is far away from the fixing rod, are fixedly connected with return springs, and one ends of the return springs, which are far away from the limiting plate, are fixedly connected with the groove wall of one side of the limiting groove.

Preferably, the inner side of the rubber layer is fixedly connected with a round rod, and two ends of the round rod are both positioned on the inner side of the rubber layer.

Preferably, a thread groove is formed in the surface of one end of the round rod, and the thread groove is matched with the two ends of the connecting shaft.

Preferably, a plurality of ball grooves distributed in an annular array are formed in the inner side wall of the cylinder, balls matched with the ball grooves are arranged in the ball grooves, and the outer sides of the balls are attached to the outer side surface of the sleeve.

Preferably, two first fastening holes are formed in the middle of the surface of one side of the movable plate, and the two first fastening holes are vertically distributed in the middle of the two ends of one side of the movable plate.

Preferably, two second fastening holes are formed in the middle of the surface of one side of the fixing plate, and the two second fastening holes are vertically distributed in the middle of two ends of one side of the fixing plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with the sleeve with connecting axle threaded connection, be provided with the rubber layer in the sleeve, be provided with the elliptical trough in the rubber layer, the dead lever through the elliptical trough drives the limiting plate and does damping motion in the spacing groove again, and then absorbs the power that vibrations that this device received and produce partly, makes this device have good shock resistance, and the rubber layer can effectively protect the part simultaneously, has improved the life of this device;

2. the utility model discloses a be provided with a plurality of balls that are annular array and distribute on the drum inside wall again, reduced the frictional force between sleeve and the drum, make things convenient for the connecting axle to rotate, improved the practicality of this device, through being provided with first fastening hole and second fastening hole, convenience of customers fixes fixed plate and fly leaf, has improved the stability of this device.

Drawings

Fig. 1 is a schematic sectional view of the overall structure of the present invention.

Fig. 2 is a schematic side sectional view of the cylinder structure of the present invention.

Fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a fixing plate; 2. a cylinder; 3. a movable plate; 4. a connecting shaft; 5. a sleeve; 6. a rubber layer; 7. an elliptical trough; 8. a convex plate; 9. a fixed block; 10. fixing the rod; 11. a groove; 12. a limiting groove; 13. a limiting plate; 14. a damping layer; 15. a return spring; 16. a round bar; 17. a thread groove; 18. a ball groove; 19. a ball bearing; 20. a first fastening hole; 21. a second fastening hole.

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.

The utility model provides an anti-seismic connecting piece as shown in figures 1-4, as shown in figure 1, comprising a fixed plate 1, wherein both sides of one end of the fixed plate 1 are fixedly connected with cylinders 2, a movable plate 3 is arranged in the middle of one end of the fixed plate 1, one end of the movable plate 3 close to the fixed plate 1 is fixedly connected with a connecting shaft 4, the outer sides of both ends of the connecting shaft 4 are provided with external threads, both ends of the connecting shaft 4 respectively extend into the two cylinders 2, a sleeve 5 is arranged in the end of the two cylinders 2 away from each other, the middle part of one side surface of the movable plate 3 is provided with two first fastening holes 20, the two first fastening holes 20 are vertically distributed in the middle of both ends of one side of the movable plate 3, the middle part of one side surface of the fixed plate 1 is provided with two second fastening holes 21, the two second fastening holes 21 are vertically distributed in the middle of both ends of one side of the fixed plate 1, and are matched through the first fastening holes 20 and the second fastening holes 21, convenience of customers fixes fixed plate 1 and movable plate 3, has improved the stability of this device.

As shown in fig. 2 and 4, the rubber layer 6 is fixedly connected to the inner side of the sleeve 5, the rubber layer 6 can effectively protect the parts, and the service life of the device is prolonged, a plurality of elliptical grooves 7 distributed in an annular array are formed in the rubber layer 6, the round rod 16 is fixedly connected to the inner side of the rubber layer 6, two ends of the round rod 16 are both located at the inner side of the rubber layer 6, a thread groove 17 is formed in one end surface of the round rod 16, the thread groove 17 is matched with two ends of the connecting shaft 4, so that the sleeve 5 is fixed with the connecting shaft 4, the stability of the device is ensured, the device is convenient to install, a plurality of ball grooves 18 distributed in an annular array are formed in the inner side wall of the cylinder 2, balls 19 matched with the ball grooves 18 are arranged in the ball grooves 18, the outer side of the balls 19 is attached to the outer side surface of the sleeve 5, the friction force between the sleeve 5 and the cylinder 2 is reduced, and the connecting shaft 4 is convenient to rotate, the practicability of the device is improved.

As shown in fig. 3, the inner walls of the two sides of the elliptical groove 7 are fixedly connected with the convex plates 8, when the movable plate 3 and the fixed plate 1 are vibrated, the force generated by the vibration is applied to the connecting shaft 4, the connecting shaft 4 is forced to move, the round bar 16 in threaded connection therewith moves, and then the rubber layer 6 fixedly connected with the outer side of the round bar 16 is extruded, the rubber layer 6 is compressed to absorb part of the impact force, thereby improving the anti-vibration capability of the device, the middle part of one side surface of the convex plate 8 arranged at one side of the elliptical groove 7 is fixedly connected with the fixed block 9, the middle part of one side of the convex plate 8 arranged at the other side of the elliptical groove 7 is fixedly connected with the fixed rod 10, the surface of one side of the fixed block 9 close to the fixed rod 10 is provided with the groove 11 matched with the fixed rod 10, the inside of the fixed block 9 is provided with the limiting groove 12, the groove 11 is communicated with the limiting groove 12, and the limiting plate 13 is arranged in the limiting groove 12, the one end of dead lever 10 runs through recess 11 and extends to inside limiting groove 12, the one end and the limiting plate 13 fixed connection of dead lever 10, the equal fixedly connected with damping layer 14 of both sides cell wall of limiting groove 12, the equal fixedly connected with reset spring 15 in one side both ends that dead lever 10 was kept away from to limiting plate 13, reset spring 15 keeps away from one side cell wall fixed connection of limiting plate 13 and limiting groove 12, dead lever 10 drives limiting plate 13 and removes in limiting groove 12, make the reset spring 15 of limiting plate 13 one end compressed, absorb partial impact force, then limiting plate 13 kick-backs under reset spring 15's reaction force, thereby make the damping motion at the both ends of limiting plate 13 on damping layer 14, the vibration range of connecting axle 4 has been reduced, make this device have good shock resistance.

The utility model discloses the theory of operation:

when the device is used, firstly, the fixed plate 1 is placed on an air pipe or a bridge, the fixed plate 1 is fixed through the second fastening hole 21, then the movable plate 3 is fixed on the surface of a building through the first fastening hole 20, when the device is vibrated, the force generated by the vibration is applied to the movable plate 3 and the fixed plate 1 and then transmitted to the connecting shaft 4, the connecting shaft 4 is stressed to move, so that the round rod 16 in threaded connection with the connecting shaft 16 moves along with the connecting shaft, the rubber layer 6 fixedly connected with the outer side of the round rod 16 is extruded, the rubber layer 6 is compressed, partial impact force is absorbed, two convex plates 8 in the elliptical groove 7 are close to each other, the fixed rod 10 drives the limiting plate 13 to move in the limiting groove 12, the reset spring 15 at one end of the limiting plate 13 is compressed, partial impact force is absorbed again, and after the stress disappears, the limiting plate 13 rebounds under the reaction force of the reset spring 15, therefore, the two ends of the limiting plate 13 do damping motion on the damping layer 14, the vibration amplitude of the connecting shaft 4 is reduced, the device has good shock resistance, meanwhile, the rubber layer 6 can effectively protect parts, and the service life of the device is prolonged.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An antidetonation connecting piece, includes fixed plate (1), its characterized in that: both sides of one end of the fixed plate (1) are fixedly connected with the cylinders (2), the middle of one end of the fixed plate (1) is provided with the movable plate (3), one end of the movable plate (3) close to the fixed plate (1) is fixedly connected with the connecting shaft (4), the outer sides of both ends of the connecting shaft (4) are provided with external threads, both ends of the connecting shaft (4) extend into the two cylinders (2) respectively, the inner part of one end of each cylinder (2) far away from each other is provided with the sleeve (5), the inner side of the sleeve (5) is fixedly connected with the rubber layer (6), the rubber layer (6) is internally provided with a plurality of elliptical grooves (7) distributed in an annular array manner, the inner walls of both sides of each elliptical groove (7) are fixedly connected with the convex plates (8), and the middle part of one side surface of the convex plate (8) arranged on one side of each elliptical groove (7) is fixedly connected with the fixed block (9), convex plate (8) one side middle part fixedly connected with dead lever (10) that the opposite side of elliptical groove (7) set up, fixed block (9) are close to one side surface of dead lever (10) and offer recess (11) with dead lever (10) looks adaptation, spacing groove (12) have been seted up to fixed block (9) inside, recess (11) are linked together with spacing groove (12), be provided with limiting plate (13) in spacing groove (12), the one end of dead lever (10) runs through recess (11) and extends to inside spacing groove (12), the one end and limiting plate (13) fixed connection of dead lever (10), the equal fixedly connected with damping layer (14) of both sides cell wall of spacing groove (12).

2. An earthquake-resistant connection according to claim 1, characterised in that: the limiting plate (13) is far away from both ends of one side of the fixing rod (10) and is fixedly connected with a return spring (15), and one end of the return spring (15) far away from the limiting plate (13) is fixedly connected with the groove wall of one side of the limiting groove (12).

3. An earthquake-resistant connection according to claim 2, characterised in that: the inner side of the rubber layer (6) is fixedly connected with a round rod (16), and two ends of the round rod (16) are located on the inner side of the rubber layer (6).

4. An earthquake-resistant connection according to claim 3, characterised in that: a thread groove (17) is formed in the surface of one end of the round rod (16), and the thread groove (17) is matched with the two ends of the connecting shaft (4).

5. An earthquake-resistant connection according to claim 4, characterised in that: the inner side wall of the cylinder (2) is provided with a plurality of ball grooves (18) distributed in an annular array, balls (19) matched with the ball grooves are arranged in the ball grooves (18), and the outer sides of the balls (19) are attached to the outer side surface of the sleeve (5).

6. An earthquake-resistant connection according to claim 5, characterised in that: two first fastening holes (20) are formed in the middle of the surface of one side of the movable plate (3), and the two first fastening holes (20) are vertically distributed in the middle of two ends of one side of the movable plate (3).

7. An earthquake-resistant connection according to claim 6, characterised in that: two second fastening holes (21) are formed in the middle of the surface of one side of the fixing plate (1), and the two second fastening holes (21) are vertically distributed in the middle of two ends of one side of the fixing plate (1).