CN218207621U

CN218207621U - Polyurethane buffer disc with good buffer effect

Info

Publication number: CN218207621U
Application number: CN202222555767.3U
Authority: CN
Inventors: 宋琛; 李兆强
Original assignee: Long Island High Energy Polyurethane Co ltd
Current assignee: Long Island High Energy Polyurethane Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-03
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to a buffering effectual polyurethane buffering dish, it includes support ring, buffering ring and fixed disk, the support ring adopts metal material to make, the buffering ring adopts polyurethane material to make, the fixed disk adopts light metal material to make, outer anchor ring fixed connection of buffering ring and support ring, outer anchor ring fixed connection of fixed disk and buffering ring, set up the fixed orifices that is used for fixed buffering dish on the fixed disk. Fixing the fixed disk through the fixed orifices convenience, the support ring that metal material made can play effective supporting role to the transmission shaft, the fixed disk that light metal made is when playing fixed and supporting role, can reduce whole weight, buffer ring between support ring and the fixed disk can twist reverse the transmission shaft and play the buffering guard action, polyurethane material has certain intensity and elasticity, compare in rubber products, polyurethane creep slow, tensile tear strength is high, wear resistance is strong, can be better play the cushioning effect.

Description

Polyurethane buffer disc with good buffer effect

Technical Field

The application relates to the technical field of auto parts, in particular to a polyurethane buffer disc with a good buffering effect.

Background

The middle support buffer disc is an important part of the middle transmission shaft, and the structural form of the middle support buffer disc is various. When the vehicle jolts up and down, a large impact force can be given to the chassis, the transmission shaft can be twisted, and the buffer disc can buffer the twisting force of the transmission shaft at the moment

In the related technology, reference is made to a Chinese patent with publication number CN202827145U, which discloses a middle transmission shaft supporting buffer disc for a heavy-duty car, and the middle transmission shaft supporting buffer disc comprises a disc body, wherein a buffer hole and a buffer groove are formed in the disc body, the lower end of the disc body is semicircular, and the upper end of the disc body is in an inverted trapezoid shape; the buffer holes and the buffer grooves are arranged alternately to form a circle, the center of the circle coincides with the center of the semicircle, and the three buffer holes are evenly distributed by taking the center of the semicircle as the center.

In the above related art, the whole device is made of the same material, so that the device is inconvenient to support due to too large elasticity, and the torsion of the transmission shaft is difficult to buffer due to hard materials.

SUMMERY OF THE UTILITY MODEL

In order to improve the supporting effect and the buffering effect of buffer disc to the transmission shaft, this application provides a polyurethane buffer disc that buffering effect is good.

The application provides a polyurethane buffering dish that buffering effect is good adopts following technical scheme:

the utility model provides an effectual polyurethane buffering dish of buffering, includes support ring, buffering ring and fixed disk, the support ring adopts metal material to make, the buffering ring adopts polyurethane material to make, the fixed disk adopts light metal material to make, buffering ring and support ring outer anchor ring fixed connection, fixed disk and buffering ring outer anchor ring fixed connection, set up the fixed orifices that is used for fixed buffering dish on the fixed disk.

Through adopting above-mentioned technical scheme, conveniently fix the fixed disk through the fixed orifices, the support ring that metal material made can play effective supporting role to the transmission shaft, the fixed disk that light metal made is when playing fixed and supporting role, can reduce whole weight, buffer ring between support ring and the fixed disk can twist reverse the transmission shaft and play the buffering guard action, the polyurethane material has certain intensity and elasticity, compare in rubber products, polyurethane creep and slow, tensile tear strength is high, wear resistance is strong, can be better play the cushioning effect.

Optionally, a plurality of buffer holes are formed in the buffer ring, and the buffer holes are evenly distributed along the circumferential direction of the buffer ring.

Through adopting above-mentioned technical scheme, can cushion the torsion of transmission shaft through the buffer hole, improve the deformation volume of buffering ring, be favorable to improving buffer capacity and shock attenuation effect.

Optionally, the buffer holes include a transverse hole arranged along the circumferential direction of the buffer ring and a vertical hole arranged along the radial direction of the buffer ring.

Through adopting above-mentioned technical scheme, the crisscross buffering that can realize the radial and circumference direction of buffering ring that sets up of perpendicular hole and cross bore improves whole buffering and shock attenuation effect.

Optionally, both ends of the transverse hole are communicated with a vertical hole.

Through adopting above-mentioned technical scheme, through making the buffer ring can produce the deformation volume in each direction with erecting hole and cross bore intercommunication, play the buffering effect to the torsion in each direction.

Optionally, rounded corners are formed at positions, close to the buffer holes, of the buffer rings.

Through adopting above-mentioned technical scheme, can disperse the stress of edges and corners department through setting up of fillet, avoid stress concentration to cause the damage to cushion ring part.

Optionally, the surface of the buffer ring is provided with a buffer groove.

Through adopting above-mentioned technical scheme, when the cushion ring receives the extrusion, through extrudeing in to the dashpot, be favorable to improving the buffering effect of cushion ring.

Optionally, the thickness that the outside that the buffering ring is close to the fixed disk equals with the thickness of fixed disk, the thickness that the buffering ring is close to the support ring equals with the thickness of support ring, the central thickness of buffering ring is less than the thickness of the inside and outside both sides of buffering ring, the cross-section of buffering ring along circumferential direction is the inside sunken arc setting in both sides.

Through adopting above-mentioned technical scheme, the buffering ring is sunken to make things convenient for the buffering ring to twist reverse by the inside arc in both sides, is favorable to improving the buffering effect of buffering ring.

Optionally, an annular groove is formed in the inner wall of the support ring along the circumferential direction of the support ring.

By adopting the technical scheme, the transmission shaft penetrates through the support ring, and the annular groove formed in the support ring is convenient for increasing the friction force between the support ring and the transmission shaft, so that the support force is improved.

Optionally, the two ends of the side wall of the support ring are both provided with a limiting opening, and the limiting opening is arranged along the axial direction of the support ring and is smaller than half of the axial length of the support ring.

Through adopting above-mentioned technical scheme, when the transmission shaft twists reverse, make the support ring have certain buffer power to the transmission shaft through spacing mouthful, be favorable to improving the effect of buffering.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the transmission shaft is prevented from being twisted by the buffer ring made of the polyurethane material, the polyurethane material has certain strength and elasticity, and compared with a rubber product, the creep of the polyurethane is slow, the tensile tearing strength is high, the wear resistance is high, and the shock absorption effect can be better achieved;

2. through the setting of horizontal hole on the buffering ring with erect the hole, can cushion the torsion of transmission shaft, improve the deformation volume of buffering ring, be favorable to improving buffer capacity and shock attenuation effect.

Drawings

Fig. 1 is a schematic view of an overall structure of a polyurethane buffer disc with a good buffering effect.

Fig. 2 is a schematic view of an internal structure of a polyurethane buffer disc with a good buffering effect.

Description of reference numerals: 1. a support ring; 11. an annular groove; 12. a limiting port; 2. a buffer ring; 21. a buffer hole; 22. a transverse hole; 23. vertical holes; 24. a buffer tank; 3. fixing the disc; 31. and (7) fixing holes.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses polyurethane buffering dish that buffering effect is good.

Referring to fig. 1, a polyurethane buffer disc with good buffering effect comprises a support ring 1, a buffer ring 2 and a fixed disc 3, wherein the outer annular surface of the buffer ring 2 is fixedly connected with that of the support ring 1, the outer annular surface of the fixed disc 3 is fixedly connected with that of the buffer ring 2, and a fixing hole 31 for fixing the buffer disc is formed in the fixed disc 3. The fixing plate 3 is conveniently fixed through the fixing hole 31.

Referring to fig. 1, a support ring 1 is made of a metal material, a cushion ring 2 is made of a polyurethane material, and a stationary disk 3 is made of a lightweight metal material. Support ring 1 that metal material made can play effective supporting role to the transmission shaft, fixed disk 3 that light metal made can reduce whole weight when playing fixed and supporting role, buffer ring 2 between support ring 1 and the fixed disk 3 can twist reverse the transmission shaft and play the buffering guard action, the polyurethane material has certain intensity and elasticity, compare in rubber products, the polyurethane creep becomes slowly, tensile tear strength is high, the wearability is strong, can be better play the cushioning effect.

Referring to fig. 1 and 2, the thickness of the outer side of the buffer ring 2 close to the fixed disk 3 is equal to that of the fixed disk 3, the thickness of the buffer ring 2 close to the support ring 1 is equal to that of the support ring 1, the central thickness of the buffer ring 2 is smaller than that of the inner side and the outer side of the buffer ring 2, and the section of the buffer ring 2 in the circumferential direction is in an arc shape with two surfaces sunken inwards. The buffer ring 2 is sunken by both sides to the inside arc and can make things convenient for the buffer ring 2 to twist reverse, is favorable to improving the buffering effect of buffer ring 2.

Referring to fig. 1, a plurality of buffer hole 21 has been seted up on buffer ring 2, and buffer hole 21 includes transverse hole 22 that sets up along 2 circumferential direction of buffer ring and perpendicular hole 23 that sets up along the radial direction of buffer ring 2, and transverse hole 22 both ends all are linked together with a perpendicular hole 23, and buffer hole 21 evenly arranges along 2 circumferential direction of buffer ring. The crisscross setting of perpendicular hole 23 and cross bore 22 can realize the buffering of radial and circumferential direction of buffering ring 2, improves whole buffering and shock attenuation effect.

Referring to fig. 1, the position of the buffer ring 2 near the buffer hole 21 is provided with a round angle, and the surface of the buffer ring 2 is provided with a buffer groove 24. When the cushion ring 2 is pressed, the cushion effect of the cushion ring 2 is improved by pressing the cushion ring into the cushion groove 24. Through the setting of fillet can disperse the stress of edges and corners department, avoid stress concentration to cause the damage to 2 parts of cushion ring.

Referring to fig. 1, an annular groove 11 is formed in the inner wall of the support ring 1 along the circumferential direction of the support ring 1, two ends of the side wall of the support ring 1 are both provided with a limiting opening 12, and the limiting opening 12 is arranged along the axial direction of the support ring 1 and is smaller than half of the axial length of the support ring. The transmission shaft passes through the support ring 1, and the annular groove 11 formed in the support ring 1 is convenient for increasing the friction force between the support ring 1 and the transmission shaft, so that the support force is favorably improved, and when the transmission shaft is twisted, the support ring 1 has certain buffering force on the transmission shaft through the limiting opening 12, so that the buffering effect is favorably improved.

The implementation principle of the polyurethane buffer disc with good buffering effect in the embodiment of the application is as follows: fix fixed disk 3 through fixed orifices 31, the transmission shaft passes support ring 1, and support ring 1 supports the transmission shaft, cushions the transmission shaft through the buffering ring 2 of polyurethane material, and the thickness of buffering ring 2 is inwards reduced by both sides, makes things convenient for buffering ring 2 to twist reverse, improves buffering and shock-absorbing capacity.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an effectual polyurethane buffer dish of buffering, includes support ring (1), buffering ring (2) and fixed disk (3), its characterized in that: the supporting ring (1) is made of metal materials, the buffering ring (2) is made of polyurethane materials, the fixing disc (3) is made of light metal materials, the buffering ring (2) is fixedly connected with the outer ring surface of the supporting ring (1), the fixing disc (3) is fixedly connected with the outer ring surface of the buffering ring (2), and a fixing hole (31) for fixing the buffering disc is formed in the fixing disc (3).

2. The polyurethane buffer disc with good buffering effect as claimed in claim 1, wherein: a plurality of buffer holes (21) are formed in the buffer ring (2), and the buffer holes (21) are evenly distributed along the circumferential direction of the buffer ring (2).

3. The polyurethane buffer disc with good buffering effect as claimed in claim 2, wherein: the buffer hole (21) comprises a transverse hole (22) arranged along the circumferential direction of the buffer ring (2) and a vertical hole (23) arranged along the radial direction of the buffer ring (2).

4. The polyurethane buffer disc with good buffering effect as claimed in claim 3, wherein: and two ends of the transverse hole (22) are communicated with a vertical hole (23).

5. The polyurethane buffer disc with good buffering effect as claimed in claim 2, wherein: and the positions of the buffer rings (2) close to the buffer holes (21) are provided with round corners.

6. The polyurethane buffer disc with good buffering effect as claimed in claim 1, wherein: the surface of the buffer ring (2) is provided with a buffer groove (4).

7. The polyurethane buffer disc with good buffering effect as claimed in claim 1, wherein: the outside that buffering ring (2) are close to fixed disk (3) equals with the thickness of fixed disk (3), the thickness that buffering ring (2) are close to support ring (1) equals with the thickness of support ring (1), the central thickness of buffering ring (2) is less than the thickness of the inside and outside both sides of buffering ring (2), buffering ring (2) are the inside sunken arc setting in both sides along the cross-section of circumference direction.

8. The polyurethane buffer disc with good buffering effect as claimed in claim 1, wherein: an annular groove (11) is formed in the inner wall of the support ring (1) along the circumferential direction of the support ring (1).

9. The polyurethane buffer disc with good buffering effect as claimed in claim 1, wherein: spacing mouthful (12) have all been seted up at support ring (1) lateral wall both ends, spacing mouthful (12) set up and are less than half of its axial length along the axial direction of support ring (1).