CN214248149U - Torsion damper and damping wheel - Google Patents

Abstract

The utility model relates to a torsion damper, which comprises two fixed disks and a damping block clamped between two adjacent fixed disks; the damping block is suitable for enabling the fixed disc with two sides rotated by the torsion to do torsional reset motion. A damping wheel comprises a wheel carrier and a damping support, wherein the wheel carrier is provided with an installation shaft, a front limiting shaft and a rear limiting shaft, the installation shaft is positioned between the front limiting shaft and the rear limiting shaft, the installation shaft penetrates through the damping support, and the damping support is suitable for swinging back and forth between the front limiting shaft and the rear limiting shaft; the installation shaft is provided with two torsion dampers, the two torsion dampers are respectively positioned on two sides of the damping support, and two sides of each torsion damper are respectively fixedly connected with the damping support and the wheel carrier. When the damping wheel is stressed and the wheel frame and the damping support perform relative torsional motion, the torsional damper can provide stable torsional reset force, so that the damping effect of the damping wheel is improved.

Description

Torsion damper and damping wheel

Technical Field

The utility model relates to a torsion shock absorber and shock attenuation wheel.

Background

The present domestic trimming wheel has the damping effect by a spring, or a rubber block plus a double spring, or by polyurethane compression.

The problems of the prior damping wheel are as follows: 1. all are light weight trimming wheels; 2. the trimming is not comfortable and the trimming effect is very hard.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the torsion damper and the damping wheel are provided, and the problem that the damping efficiency of the existing damping wheel is not ideal is solved.

The utility model provides a technical scheme that its technical problem adopted is:

in a first aspect:

a torsional damper comprises

Two fixed disks, and

the damping block is clamped between two adjacent fixed disks;

the damping block is suitable for enabling the fixed disc with two sides rotated by the torsion to do torsional reset motion.

Furthermore, a through shaft hole is formed between the fixed disc and the damping block.

Furthermore, a plurality of convex edges are formed on the inner side clamping surface of the fixed disc, and a plurality of grooves matched with the convex edges are formed in the outer side clamping surface of the damping block.

Furthermore, each convex edge is radially arranged on the clamping surface of the fixed disc and is circumferentially and uniformly distributed around the shaft penetrating hole.

Furthermore, the clamping surface of the fixed disc protrudes outwards to form a frustum;

the clamping surface of the damping block is concave to form a taper groove, and the frustum is matched with the taper groove.

Furthermore, a retaining ring is formed around the clamping surface of the fixed disk.

Furthermore, a plurality of bolt connecting holes are formed in the outer side face of the fixed disc.

Furthermore, the shock absorption block is made of polyurethane.

In a second aspect:

a shock-absorbing wheel comprises

The damping device comprises a wheel carrier and a damping support, wherein the wheel carrier is provided with a mounting shaft, a front limiting shaft and a rear limiting shaft, the mounting shaft is positioned between the front limiting shaft and the rear limiting shaft, the mounting shaft penetrates through the damping support, and the damping support is suitable for swinging back and forth between the front limiting shaft and the rear limiting shaft;

the installation shaft is provided with two torsion dampers, the two torsion dampers are respectively positioned on two sides of the damping support, and two sides of each torsion damper are respectively fixedly connected with the damping support and the wheel carrier.

The utility model has the advantages that:

when the damping wheel is stressed and the wheel frame and the damping support perform relative torsional motion, the torsion damper can provide stable torsional reset force and improve the damping effect of the damping wheel.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of a torsional damper;

FIG. 2 is a schematic view of a damper block;

FIG. 3 is a schematic view of a stationary platen;

FIGS. 4 and 5 are schematic views of a shock absorbing wheel;

FIG. 6 is a schematic view of the wheel carriage;

FIG. 7 is a schematic view of a shock mount;

the damping device comprises a wheel frame 2, a wheel frame 21, an outer side plate 22, an inner side plate 3, a damping support 41, a front limiting shaft 42, a rear limiting shaft 43, a mounting shaft 5, a torsion damper 51, a fixed disc 51A, ribs 52, a damping block 52A and a groove.

Detailed Description

The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

Example one

As shown in FIGS. 1 to 3, a torsional damper 5 includes two fixed disks 51, and

a damper block 52 clamped between two adjacent fixed disks 51;

the damping block 52 is adapted to make the fixing plate 51 rotated by torsion at both sides perform a torsion return motion.

Specifically, in this embodiment, a shaft hole is formed between the fixed plate 51 and the damper block 52, so that the torsion damper can be arranged on the shaft when being mounted.

Specifically, in this embodiment, a plurality of ribs 51A are formed on the inner clamping surface of the fixed disk 51, and a plurality of grooves 52A for matching with the ribs 51A are formed on the outer clamping surface of the damper block 52.

The grooves 52A of the damper block 52 are engaged with the ribs 51A of the fixed platter 51, and the friction between the damper block 52 and the fixed platter 51 in the twisting direction can be increased.

Specifically, in this embodiment, each rib 51A is radially disposed on the clamping surface of the fixed disk 51, and circumferentially and uniformly distributed around the shaft penetrating hole.

Specifically, in this embodiment, the clamping surface of the fixed disk 51 protrudes outward to form a frustum; the clamping surface of the shock absorption block 52 is concave to form a conical groove, and the frustum is matched with the conical groove. The fixed disc 51 and the damping block 52 are matched by virtue of conical surfaces, so that the damping block 52 is prevented from moving radially relative to the fixed disc 51.

Specifically, in this embodiment, a retaining ring is formed around the clamping surface of the fixed disk 51. The retainer ring is used for preventing the damping block 52 from moving radially relative to the fixed disc 51, so that the stability is improved.

Specifically, in this embodiment, a plurality of bolt connection holes are formed in the outer side surface of the fixed disk 51. The bolt coupling holes are coupled with fastening bolts, thereby fixedly installing the fixed disk 51.

Specifically, in this embodiment, the damper block 52 is made of polyurethane.

The torsion damper 5 of this embodiment replaces traditional torsional spring with the snubber block 52 of polyurethane, and the shock attenuation effect is better ideal, and when the snubber block 52 atress torsional force, can take place torsional deformation, the snubber block 52 begins to reset after extrusion deformation to the fixed disk 51 that drives both sides is twisted and is reset.

Example two

As shown in fig. 4 to 7, a shock absorption wheel comprises a wheel frame 2 and a shock absorption bracket 3, wherein the wheel frame 2 is provided with a mounting shaft 43, a front limit shaft 41 and a rear limit shaft 42, the mounting shaft 43 is located between the front limit shaft 41 and the rear limit shaft 42, the mounting shaft 43 penetrates through the shock absorption bracket 3, and the shock absorption bracket 3 is suitable for swinging back and forth between the front limit shaft 41 and the rear limit shaft 42.

The mounting shaft 43 is provided with two torsion dampers 5, the two torsion dampers are respectively located at two sides of the damping support 3, and two sides of the torsion dampers are respectively fixedly connected with the damping support 3 and the wheel carrier 2.

The shock absorption support 3 is provided with a bearing seat, and the shock absorption support 3 is connected with the body of the carrying trolley through the bearing seat.

The wheel carrier 2 comprises two outer side plates 21 and two inner side plates 22, a front limiting shaft 41 and a mounting shaft 43 both penetrate through the two outer side plates 21 and the two inner side plates 22, a rear limiting shaft 42 penetrates through the two inner side plates 22, three inner positioning sleeves are arranged between the two inner side plates 22, and the three inner positioning sleeves are respectively arranged on the mounting shaft 43, the front limiting shaft 41 and the rear limiting shaft 42 and used for limiting the distance between the two inner side plates 22; two outer positioning sleeves are arranged between the outer side plate 21 and the inner side plate 22, and are respectively arranged on the front limiting shaft 41 and the mounting shaft 43 and used for limiting the distance between the outer side plate 21 and the inner side plate 22.

After the shock absorption wheel is assembled, the shock absorption support 3 is abutted on the rear limiting shaft 42 under the action of the two torsional vibration absorbers 5, when the shock absorption wheel is vibrated, the shock absorption support 3 rotates relative to the wheel carrier 2, after the shock absorption support 3 is abutted on the front limiting shaft 41, the shock absorption support 3 is limited to continue to rotate forwards, and then the shock absorption support 3 slowly resets under the action of the two torsional vibration absorbers 5.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (7)

1. A torsion damper is characterized by comprising

Two fixed disks, and

the damping block is clamped between two adjacent fixed disks;

the damping block is suitable for enabling the fixed disc with two sides rotated by the torsion to do torsional reset motion;

a through shaft hole is formed between the fixed disc and the damping block;

a plurality of convex edges are formed on the inner side clamping face of the fixed disc, and a plurality of grooves matched with the convex edges are formed in the outer side clamping face of the damping block.

2. The torsional vibration damper of claim 1,

each bead is personally submitted radial setting at the centre gripping of fixed disk, and is circumference equipartition around wearing the axle hole.

3. The torsional vibration damper of claim 2,

the clamping surface of the fixed disc protrudes outwards to form a frustum;

the clamping surface of the damping block is concave to form a taper groove, and the frustum is matched with the taper groove.

4. The torsional vibration damper as claimed in claim 2 or 3,

and a retaining ring is formed around the clamping surface of the fixed disk.

5. The torsional vibration damper of claim 1,

the outer side surface of the fixed disc is provided with a plurality of bolt connecting holes.

6. The torsional vibration damper of claim 1,

the shock absorption block is made of polyurethane.

7. A shock-absorbing wheel is characterized by comprising

The damping device comprises a wheel carrier and a damping support, wherein the wheel carrier is provided with a mounting shaft, a front limiting shaft and a rear limiting shaft, the mounting shaft is positioned between the front limiting shaft and the rear limiting shaft, the mounting shaft penetrates through the damping support, and the damping support is suitable for swinging back and forth between the front limiting shaft and the rear limiting shaft;

the torsion damper of any one of claims 1 to 6 is arranged on the mounting shaft, the two torsion dampers are respectively located at two sides of the damping bracket, and two sides of the torsion damper are respectively fixedly connected with the damping bracket and the wheel carrier.

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