CN213199875U - Wheel assembly of baby carriage - Google Patents

Abstract

The utility model discloses a children's shallow wheel subassembly, include wheel, fork, turn to seat and fixing base, the fork is installed on the wheel, and the fork upper end is connected with turning to the seat, and is provided with damping device on the fork and turns to and be provided with between the seat, and the cover has the axle sleeve on the vertical scroll of turning to the seat, and the axle sleeve is installed in the fixing base, be equipped with the pore that pierces through inside axle sleeve on the fixing base, set gradually top pearl, top pearl spring and holding screw from inside to outside in the pore, and the inboard of top pearl with the contact of the vertical scroll lateral wall of turning to the seat, the outside of top pearl and the inner contact of top pearl spring. The through hole is arranged on the shaft sleeve, the ejecting ball is arranged in the through hole, the ejecting ball is always contacted with the vertical shaft of the steering seat under the action of the ejecting ball spring, the gap between the vertical shaft and the shaft sleeve is eliminated, the noise generated by friction between the vertical shaft and the shaft sleeve due to the existence of the gap is avoided, and meanwhile, the abrasion is reduced; the wheel fork sets up rubber pad and damping spring with turning to the seat junction, increases the shock attenuation effect.

Description

Wheel assembly of baby carriage

Technical Field

The utility model belongs to the technical field of the children's shallow, especially, relate to a children's shallow wheel subassembly.

Background

In the steering process of the wheels of the existing stroller, sound is generated due to friction between the vertical shaft and the shaft sleeve, so that the noise is high, the vertical shaft and the shaft sleeve are seriously abraded, and the service life of the vertical shaft and the shaft sleeve is influenced; in addition, the wheel rotates often can bump between in-process fork and the steering seat, and the shock attenuation effect is relatively poor, has reduced the travelling comfort that children's shallow used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a children's shallow wheel subassembly aims at solving the problem that prior art exists among the above-mentioned background art.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a children's shallow wheel subassembly, includes wheel, fork, turns to seat and fixing base, the fork is installed on the wheel, the fork upper end with turn to the seat and be connected, and the fork upper end with turn to and be provided with damping device between the seat, it has the axle sleeve to turn to the cover on the vertical scroll of seat, the axle sleeve is installed in the fixing base, be equipped with the pore that pierces through inside axle sleeve on the fixing base, set gradually knob, knob spring and holding screw from inside to outside in the pore, just the inboard of knob with turn to the contact of the vertical scroll lateral wall of seat, the outside of knob and the inner contact of knob spring.

Preferably, damping device includes rubber pad and damping spring, the rubber pad sets up in the recess of fork upper end, vertical damping spring that sets up on the rubber pad, damping spring's upper end is installed inside the seat that turns to.

Preferably, the wheel fork and the steering seat are connected through a sleeve, reinforcing pieces are arranged at two ends of the sleeve and are fixed with the steering seat through self-tapping screws, and the reinforcing pieces and the end part of the sleeve are fixed through rivets.

Preferably, the shaft sleeve is made of wear-resistant self-lubricating materials.

Compare in prior art's shortcoming and not enough, the utility model discloses following beneficial effect has:

(1) the utility model discloses be equipped with the through-hole on the axle sleeve, set up the top pearl in the through-hole, the top pearl inboard with turn to a seat vertical scroll lateral wall contact, the top pearl outside sets up a pearl spring, the effect through a pearl spring makes the top pearl and turns to a seat vertical scroll contact all the time, eliminates the clearance between vertical scroll and the axle sleeve, avoids leading to the friction noise production between vertical scroll and the axle sleeve because of the existence in clearance, reduce wear simultaneously, increase life.

(2) The utility model discloses what adopt in wheel fork upper end and turn to a seat junction is hinge type shock attenuation design, and it is spacing to utilize the effect of rubber pad, and the wheel fork bumps with turning to a seat when preventing to transship. The utility model discloses set up respectively in the wheel fork and the both sides that turn to the seat junction and strengthen the piece, increase the intensity that turns to the seat.

Drawings

Fig. 1 is a schematic view of an installation process of a wheel assembly of a stroller according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a stroller wheel assembly according to an embodiment of the present invention.

Fig. 3 is a schematic view of an internal structure of the steering seat and the shaft sleeve according to the embodiment of the present invention.

In the figure: 1. the wheel comprises a wheel, 2 a wheel fork, 3 a steering seat, 4 a shaft sleeve, 5 a fixed seat, 6 a set screw, 7 a top ball spring, 8 a top ball, 9 a rubber pad, 10 a damping spring, 11 a sleeve, 12 a reinforcing sheet, 13 a self-tapping screw, 14 a rivet and 15 a screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a children's shallow wheel subassembly, includes wheel 1, fork 2, turns to seat 3 and fixing base 5, and fork 2 installs on wheel 1, and 2 upper ends of fork are connected with turning to seat 3, and for increasing the intensity that turns to seat 3, fork 2 and the connected mode that turns to seat 3 are as follows: the upper end of the wheel fork 2 is connected with the steering seat 3 through a sleeve 11, reinforcing pieces 12 are arranged at two ends of the sleeve 11 after extending out of the connection part of the upper end of the wheel fork 2, the reinforcing pieces 12 are fixed with the steering seat 3 through self-tapping screws 13, and the reinforcing pieces 12 are fixed with the end part of the sleeve 11 through rivets 14. The strength of the steering seat 3 is increased by the reinforcing sheet 12, and the reliability of use is improved. The upper end of the wheel fork 2 is provided with a groove, a rubber pad 9 is arranged in the groove, a damping spring 10 is vertically arranged on the rubber pad 9, and the upper end of the damping spring 10 is arranged inside the steering seat 3. Damping spring 10 has certain elasticity, provides the cushioning effect for turning to seat 3 through the elastic action, increases the travelling comfort that the children's shallow used, and it is spacing to utilize the effect of rubber pad 9 simultaneously, and fork 2 collides with turning to seat 3 when preventing to transship, causes the wearing and tearing of part. The cover has axle sleeve 4 on turning to seat 3's the vertical scroll, axle sleeve 4 adopts wear-resisting self-lubricating material, axle sleeve 4 installs in fixing base 5, set up screw 15 in fixing base 5's the top, be equipped with the pore that pierces through inside axle sleeve 4 on fixing base 5, set gradually a pearl 8 in the pore from inside to outside, a pearl spring 7 and holding screw 7 push up, and the inboard of a pearl 8 passes axle sleeve 4 and the vertical scroll lateral wall contact that turns to seat 3, the outside of a pearl 8 and the inner contact of a pearl spring 7 push up, the outer end of a pearl spring 7 sets up holding screw 7. The ejector ball 8 is always contacted with the vertical shaft of the steering seat 3 under the action of the ejector ball spring 7, so that the gap between the vertical shaft and the shaft sleeve 4 is eliminated, friction between the vertical shaft and the shaft sleeve 4 due to the existence of the gap is avoided, abrasion is reduced, and no noise is generated in the rotation process of the wheel. The fixing seat 5 is provided with a connecting hole and is arranged at the bottom of the baby carriage through the connecting hole.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. The utility model provides a children's shallow wheel subassembly, its characterized in that includes wheel, fork, turns to seat and fixing base, the fork is installed on the wheel, the fork upper end with turn to the seat and be connected, and be provided with damping device between fork upper end and the seat that turns to, the cover has the axle sleeve on the vertical scroll of seat, the axle sleeve is installed in the fixing base, be equipped with the pore that pierces through inside axle sleeve on the fixing base, set gradually from inside to outside in the pore and push up pearl, top pearl spring and holding screw, just the inboard of top pearl with turn to the contact of the vertical scroll lateral wall of seat, the outside of top pearl and the inner contact of top pearl spring.

2. The stroller wheel assembly according to claim 1, wherein the shock absorbing means comprises a rubber pad and a shock absorbing spring, the rubber pad is disposed in a groove at the upper end of the wheel fork, the shock absorbing spring is vertically disposed on the rubber pad, and the upper end of the shock absorbing spring is mounted inside the steering seat.

3. The stroller wheel assembly according to claim 1, wherein the fork is connected to the steering seat by a sleeve, and reinforcing pieces are provided at both ends of the sleeve and fixed to the steering seat by self-tapping screws, and are fixed to ends of the sleeve by rivets.

4. The stroller wheel assembly of claim 1, wherein said sleeve is formed of a self-lubricating, wear-resistant material.

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