CN2743498Y

CN2743498Y - Upper wheel of wall cabinet door

Info

Publication number: CN2743498Y
Application number: CN 200420072597
Authority: CN
Inventors: 杜健斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-10
Filing date: 2004-08-10
Publication date: 2005-11-30
Anticipated expiration: 2014-08-10

Abstract

The utility model discloses an upper wheel of a wall cabinet door, comprising a wheel carrier and an installed arm which is vertical to the wheel carrier. The two ends of the wheel carrier are respectively provided with a bearing via a pin shaft, a tilt wheel comprises an inner wheel and a wear-resisting and sound deadening rubber ring, the inner wheel is fixed on the bearing by injection molding, and the wear-resisting sound deadening rubber ring is fixed in the inner wheel by injection molding. Owing to the bearing, the sliding friction between the tilt wheel and the pin shaft is eliminated. The inner wheel is made of hard plastic material, such as nylon, the wear-resisting sound deadening rubber ring is made of soft material, so the inner wheel can assure the stiffness of the tilt wheel, and the wear-resisting sound deadening rubber ring has the function of wear-resisting and sound deadening. Owing to made by injection molding, the hot expanding cold shrinking effect makes the combination of the inner wheel and the bearing and the bearing and the wear-resisting sound deadening rubber ring and the inner wheel very firm, so the wear-resisting sound deadening rubber ring can be prevent falling from the inner wheel.

Description

Take turns on a kind of wall cabinet door

Technical field

The utility model relates to a kind of the wheel, takes turns on the wall cabinet door that uses on especially a kind of plug-type wall cabinet door.

Background technology

Wheel mainly contains two kinds on the wall cabinet door on the market now, a kind of is that two rollers directly are connected on the wheel carrier with bearing pin, though the roller of taking turns on this wall cabinet door can not come off, but owing to exist bigger sliding friction between roller and the bearing pin, so increased roller frictional force when mobile on guide rail, use after a period of time because the wearing and tearing of roller also may cause bearing pin and roller decentraction, have a strong impact on the stationarity that move of roller on guide rail, in addition because the diameter of bearing pin is less, and the diameter of roller is relatively large, in order to guarantee the rigidity of roller, prevent the roller distortion, so roller need be selected harder material for use usually, and harder material makes that the noise when roller rotates is bigger, another is to adopt bearing is connected on the wheel carrier form of structure of suit roller on bearing then by bearing pin, wheel on this wall cabinet door is owing to adopted bearing, so eliminated the sliding friction between roller and the bearing pin, in addition when the diameter of roller and bearing is more or less the same, because the rigidity of bearing is bigger, can prevent the roller distortion, noise when so roller can adopt softer material to roll to eliminate, but because the material of bearing generally all is a hard metal, if roller is made by softer material, this can cause roller to come off from bearing easily again.

Summary of the invention

In order to overcome the deficiencies in the prior art, the purpose of this utility model provides that a kind of friction is little when mobile, noise is little, take turns on the wall cabinet door of wear-resisting and roller difficult drop-off.

The technical scheme that its technical problem that solves the utility model adopts is:

Take turns on a kind of wall cabinet door, comprise wheel carrier and the hold-down arm vertical with wheel carrier, the groove hole is arranged on the hold-down arm, by bearing pin bearing is housed respectively at the two ends of wheel carrier, interior wheel injection moulding is fixed on the bearing, takes turns in the injection moulding of wear-resisting noise reduction cushion rubber is fixed on.

As preferred implementation of the present utility model, on the external peripheral surface of wheel the convex edge is arranged in described, the inner circumferential surface of wear-resisting noise reduction cushion rubber has the groove that is complementary with the convex edge so that wear-resisting noise reduction cushion rubber and interior wheel relative fixed, more than one positioning hole is arranged on the convex edge, the positioning strip that is complementary with locating hole is arranged between the trough rim of groove, and positioning strip passes locating hole with the relative slip between wheel and the wear-resisting noise reduction cushion rubber in preventing.

The beneficial effects of the utility model are: roller of the present utility model is made up of interior wheel and wear-resisting noise reduction cushion rubber, the injection moulding of interior wheel is fixed on the bearing, on taking turns in the injection moulding of wear-resisting noise reduction cushion rubber is fixed on, owing to adopted bearing, so eliminated the sliding friction between roller and the bearing pin; Interior wheel adopts harder plastic material such as nylon, and wear-resisting noise reduction cushion rubber material is softer, so interior wheel can guarantee the rigidity of roller, wear-resisting noise reduction cushion rubber can play the effect of wear-resisting noise reduction again, in addition owing to be injection molded, so wheel was all very firm with combining of interior wheel with bearing and wear-resisting noise reduction cushion rubber in the effect of expanding with heat and contract with cold made, can prevent that wear-resisting noise reduction cushion rubber from coming off from interior wheel; On the external peripheral surface of interior wheel, the convex edge is arranged, the inner circumferential surface of wear-resisting noise reduction cushion rubber has the groove that is complementary with the convex edge like this can be so that wear-resisting noise reduction cushion rubber and interior wheel relative fixed, on the convex edge more than one positioning hole is arranged in addition, the positioning strip that is complementary with locating hole is arranged between the trough rim of groove, positioning strip passes locating hole, the relative slip in can preventing like this between wheel and the wear-resisting noise reduction cushion rubber.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the view of another direction of Fig. 1;

Fig. 3 is the structural representation of interior wheel of the present utility model;

Fig. 4 is that the A of wear-resisting noise reduction cushion rubber among Fig. 2 is to amplification view;

Fig. 5 is that the B of Fig. 1 is to amplification view.

The specific embodiment

With reference to Fig. 1, Fig. 2, take turns on a kind of wall cabinet door, comprise wheel carrier 1 and the hold-down arm 2 vertical with wheel carrier 1, be useful on the hold-down arm 2 its groove that is installed on the wall cabinet door is cheated 3, two ends at wheel carrier 1 are equipped with bearing 5 respectively by bearing pin 4, on the bearing 5 roller is housed, wheel 6 and wear-resisting noise reduction cushion rubber 7 in roller comprises, 6 injection mouldings of interior wheel are fixed on the bearing 5, take turns on 6 in wear-resisting noise reduction cushion rubber 7 injection mouldings are fixed on, the material of interior wheel 6 adopts the nylon of hard, because the material of wear-resisting noise reduction cushion rubber 7 is softer, so the interior wheel 6 that is formed by the hard nylon injection-molding can play the effect of supporting wear-resisting noise reduction cushion rubber 7, make roller not only have the characteristic of wear-resisting noise reduction like this, and have certain rigidity to do to ensure again to prevent the roller distortion, in addition, convex edge 61 is arranged on the external peripheral surface of interior wheel 6, and the inner circumferential surface of wear-resisting noise reduction cushion rubber 7 has the groove 71 that is complementary with convex edge 61 so that wear-resisting noise reduction cushion rubber 7 and interior wheel 6 relative fixed.

With reference to Fig. 3, more than one positioning hole 62 is arranged on the convex edge 61, with reference to Fig. 4, the positioning strip 72 that is complementary with locating hole 62 is arranged between the trough rim of groove 71, and with reference to Fig. 5, positioning strip 72 passes locating hole 62 to slide relatively between wheel 6 and the wear-resisting noise reduction cushion rubber 7 in preventing, as a kind of more excellent embodiment, locating hole 62 and positioning strip 72 all are four, and the position relation in can either guaranteeing like this between wheel 6 and the wear-resisting noise reduction cushion rubber 7 makes that again distribution simple for production and stressed is more reasonable.

Equivalent technical solutions as above-mentioned embodiment, also can on interior wheel 6, groove be set, on wear-resisting noise reduction cushion rubber 7, the convex edge is set, on two trough rims of the groove of interior wheel 6 or wherein on the trough rim locating hole is set, thereby the 7 inner surface settings of wear-resisting noise reduction cushion rubber are passed the positioning strip of locating hole and are made wear-resisting noise reduction cushion rubber 7 can not come off and guarantee non-slip between the two from interior wheel 6.

Claims

1. take turns on a wall cabinet door, comprise wheel carrier (1) and the hold-down arm (2) vertical with wheel carrier (1), groove hole (3) is arranged on the hold-down arm (2), two ends at wheel carrier (1) are equipped with bearing (5) respectively by bearing pin (4), it is characterized in that interior wheel (6) injection moulding is fixed on the bearing (5), wear-resisting noise reduction cushion rubber (7) injection moulding is fixed on the interior wheel (6).

2. take turns on a kind of wall cabinet door according to claim 1, it is characterized in that convex edge (61) being arranged on the external peripheral surface of wheel (6) in described, the inner circumferential surface of wear-resisting noise reduction cushion rubber (7) has the groove (71) that is complementary with convex edge (61) so that wear-resisting noise reduction cushion rubber (7) and interior wheel (6) relative fixed.

3. take turns on a kind of wall cabinet door according to claim 2, it is characterized in that more than one positioning hole (62) is arranged on the described convex edge (61), the positioning strip (72) that is complementary with locating hole (62) is arranged between two trough rims of groove (71), and positioning strip (72) passes locating hole (62) to prevent the relative slip between interior wheel (6) and the wear-resisting noise reduction cushion rubber (7).

4. take turns on a kind of wall cabinet door according to claim 3, it is characterized in that four locating holes (62) are arranged on the described convex edge (61), four positioning strips (72) that are complementary with locating hole (62) are arranged between two trough rims of groove (71).