阅读说明：本技术 一种可摆动滑轮结构及移门 (Can swing pulley structure and move door ) 是由 郭炯乾 杨东基 于 2020-12-28 设计创作，主要内容包括：本发明提出一种可摆动滑轮结构,包括滑轮座以及设置在滑轮座上的前滑轮和后滑轮,所述滑轮座设置有前部、中部以及后部,该前部和中部之间设置有前连接轴,所述前部相对中部转动,所述后部和中部之间设置有后连接轴,所述后部相对中部转动,所述前滑轮设置在前部上,所述后滑轮设置在后部上,滑轮在,遇到轨道变形或者关门开门时勾到缓冲器,门能保持垂直的状态。前部和前轮恢复水平,后轮遇到轨道变形后部和轮也会相对中部和后连接轴的中心线转动从而使得后轮能够轨道变形,可摆动滑轮通过轴来摆动滑轮,使门始终保持垂直的状态和畅顺轻盈。(The invention provides a swingable pulley structure, which comprises a pulley seat, and a front pulley and a rear pulley which are arranged on the pulley seat, wherein the pulley seat is provided with a front part, a middle part and a rear part, a front connecting shaft is arranged between the front part and the middle part, the front part rotates relative to the middle part, a rear connecting shaft is arranged between the rear part and the middle part, the rear part rotates relative to the middle part, the front pulley is arranged on the front part, the rear pulley is arranged on the rear part, and when the pulley is deformed by a track or is closed or opened, the pulley hooks a buffer, so that a door can keep a vertical state. The front part and the front wheel restore to be horizontal, the rear wheel can rotate relative to the central line of the middle part and the rear connecting shaft when meeting the rail deformation rear part and the wheel, so that the rear wheel can deform along the rail, and the pulley can swing through the shaft, so that the door is always kept in a vertical state, smooth and light.)

1. The utility model provides a can swing pulley structure, its characterized in that includes the pulley holder and sets up preceding pulley and the back pulley on the pulley holder, the pulley holder is provided with front portion, middle part and rear portion, is provided with preceding connecting axle between this front portion and the middle part, the relative middle part in front portion rotates, be provided with the back connecting axle between rear portion and the middle part, the relative middle part in rear portion rotates, preceding pulley sets up on front portion, the back pulley sets up on the rear portion.

2. The swingable pulley structure according to claim 1, wherein the front connecting shaft and the rear connecting shaft are identical in structure, the front connecting shaft is provided with connecting portions provided at front and rear ends thereof, and the connecting portions are provided with recesses.

3. The swingable pulley structure according to claim 2, wherein a shaft portion having a diameter larger than that of the connecting portions is provided between the two connecting portions.

4. The swingable pulley structure according to claim 2, wherein limit screws to be engaged with the connecting portions are provided on the front and middle portions and the rear portion.

5. The swingable pulley structure according to claim 4, wherein a plurality of limit screws are provided on each of the front and middle portions and the rear portion.

6. A swingable pulley structure according to claim 1, wherein a front rotation chamber is provided on said front portion, a rear rotation chamber is provided on said rear portion, a front bushing is provided at an opening of the front rotation chamber, and a rear bushing is provided at an opening of the rear rotation chamber.

7. The swingable pulley structure according to claim 6, wherein the front bushing and the front connecting shaft are made of different materials, and the rear bushing and the rear connecting shaft are made of different materials.

8. The swingable pulley structure according to claim 1, wherein a hanging member is provided at a front end on the front portion, the hanging member is projected upward, and a spring is provided in the hanging member, and the hanging member is moved up and down.

9. The swingable pulley structure according to claim 1, wherein a peg mounting cavity is provided on the middle portion, a limit screw is provided on the top portion of the mounting cavity, the limit screw limits the highest mounting height of the peg, a limit step is provided on the bottom portion of the mounting cavity, and a visor is provided on the peg, the visor cooperating with the limit step to limit the lowest mounting height of the peg.

10. A sliding door comprising a swingable pulley structure according to any one of claims 1 to 9.

Technical Field

The invention relates to a swingable pulley structure and a sliding door.

Background

The sliding door is commonly used in daily life, the sliding door is in the using process, the guide rail deforms or the sliding door is closed to hook the buffer when the sliding door is opened, the sliding door can swing or jump in the using process of the conventional pulley, the sliding door cannot keep a vertical state, and the sliding wheel can swing through the shaft, so that the sliding door always keeps a vertical state and is smooth and light.

Disclosure of Invention

In order to solve the problems, the invention provides a swingable pulley structure and a sliding door, and aims to solve the problems that the conventional track deforms or hooks a buffer when the door is closed and opened, the door swings or jumps in the use process of the conventional pulley, and the door cannot be kept in a vertical state.

The invention provides a swingable pulley structure, which comprises a pulley seat, and a front pulley and a rear pulley which are arranged on the pulley seat, wherein the pulley seat is provided with a front part, a middle part and a rear part, a front connecting shaft is arranged between the front part and the middle part, the front part rotates relative to the middle part, a rear connecting shaft is arranged between the rear part and the middle part, the rear part rotates relative to the middle part, the front pulley is arranged on the front part, the rear pulley is arranged on the rear part, and when the pulley is deformed by a track or is closed or opened, the pulley hooks a buffer, so that a door can keep a vertical state. The front part and the front wheel restore to be horizontal, the rear wheel can rotate relative to the central line of the middle part and the rear connecting shaft when meeting the rail deformation rear part and the wheel, so that the rear wheel can deform along the rail, and the pulley can swing through the shaft, so that the door is always kept in a vertical state, smooth and light.

In one or more embodiments, the front connecting shaft and the rear connecting shaft have the same structure, the front connecting shaft is provided with connecting parts which are arranged at the front end and the rear end of the front connecting shaft, and the connecting parts are provided with concave parts for facilitating connection and limiting.

In one or more embodiments, a shaft portion is disposed between the two connecting portions, and the diameter of the shaft portion is greater than the diameter of the connecting portions to improve the strength of the shaft portion.

In one or more embodiments, the front part, the middle part and the rear part are provided with limit screws matched with the connecting parts, the front connecting shaft can be connected with the front part and the middle part through the matching of the limit screws and the connecting parts, the surfaces of the limit screws and the connecting parts are tangent, and the relative rotation of the connecting parts can be ensured to realize the front rotation.

In one or more embodiments, a plurality of stop screws are provided on both the front and middle portions and the rear portion.

In one or more embodiments, the front portion is provided with a front rotation cavity, the rear portion is provided with a rear rotation cavity, a front shaft sleeve is arranged at an opening of the front rotation cavity, and a rear shaft sleeve is arranged at an opening of the rear rotation cavity to prevent the front rotation cavity opening and the rear rotation cavity opening at the rear portion from being worn, so that strength is improved.

In one or more embodiments, the front shaft sleeve and the front connecting shaft are made of different materials, the rear shaft sleeve and the rear connecting shaft are made of different materials to improve strength and improve rotation smoothness, sound generated in the swing process of the pulley can be eliminated, and the shaft sleeve is made of POM and has wear-resisting characteristics.

In one or more embodiments, a hanging piece is arranged at the front end of the front part, the hanging piece protrudes upwards, a spring is arranged in the hanging piece, the hanging piece moves up and down to be matched with a damper on the guide rail, when the hanging piece is separated from the damper, the door is pulled by force, the hanging piece moves downwards under the action of force and returns to the damper, and the hanging piece is prevented from being incapable of working after being separated from the damper.

In one or more embodiments, a hanging rod installation cavity is arranged on the middle portion, a limiting screw is arranged at the top of the installation cavity and limits the highest installation height of the hanging rod, a limiting step is arranged at the bottom of the installation cavity, and a brim is arranged on the hanging rod and matched with the limiting step to limit the lowest installation height of the hanging rod.

A sliding door comprises the swingable pulley structure.

The invention has the beneficial effects that: the pulley catches the buffer when meeting track deformation or closing the door and opening the door, and the door can keep the vertically state. The front part and the front wheel restore to be horizontal, the rear wheel can rotate relative to the central line of the middle part and the rear connecting shaft when meeting the rail deformation rear part and the wheel, so that the rear wheel can deform along the rail, and the pulley can swing through the shaft, so that the door is always kept in a vertical state, smooth and light.

Drawings

Fig. 1 is a schematic view of a swingable pulley structure.

FIG. 2 is a cross-sectional view of a swingable pulley structure.

Detailed Description

The application scheme is further described below with reference to the accompanying drawings:

referring to fig. 1-2, the swingable pulley structure comprises a pulley seat 1, and a front pulley 21 and a rear pulley 22 which are arranged on the pulley seat 1, wherein the pulley seat 1 is provided with a front portion 11, a middle portion 12 and a rear portion 13, a front connecting shaft 14 is arranged between the front portion 11 and the middle portion 12, the front portion 11 rotates relative to the middle portion 12, a rear connecting shaft 15 is arranged between the rear portion 13 and the middle portion 12, the rear portion 13 rotates relative to the middle portion 12, the front pulley 21 is arranged on the front portion, and the rear pulley 22 is arranged on the rear portion.

Further, in the case where the front connecting shaft 14 and the rear connecting shaft 15 have the same structure, the front connecting shaft 14 is provided with connecting portions 141, the connecting portions 141 are provided at both front and rear ends of the front connecting shaft 14, and the connecting portions 141 are provided with recesses.

Further, a shaft portion 142 is disposed between the two connection portions 141, and a diameter of the shaft portion 142 is larger than a diameter of the connection portion 141.

Further, a limit screw 111 engaged with the connection portion 141 is provided on the front and middle portions 11 and 12 and the rear portion 13.

Further, a plurality of limit screws 111 are provided on each of the front and middle portions 11 and 12 and the rear portion 13.

Further, a front rotation cavity 112 is disposed on the front portion 11, a rear rotation cavity 131 is disposed on the rear portion 13, a front bushing 113 is disposed at an opening of the front rotation cavity 112, and a rear bushing 132 is disposed at an opening of the rear rotation cavity 131.

Further, the front bushing 113 and the front connecting shaft 14 are made of different materials, and the rear bushing 132 and the rear connecting shaft 15 are also made of different materials.

Further, a hanger 3 is provided at the front end on the front portion 11, the hanger 3 protrudes upward, and a spring 31 is provided in the hanger 3, and the hanger moves up and down.

Further, a hanging rod installation cavity 121 is formed in the middle portion 12, a limiting screw 122 is arranged at the top of the installation cavity 121, the limiting screw 122 limits the highest installation height of the hanging rod, a limiting step is arranged at the bottom of the installation cavity 121, a visor is arranged on the hanging rod, and the visor is matched with the limiting step to limit the lowest installation height of the hanging rod.

A sliding door comprises the swingable pulley structure.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.